Iranian Hackers Strike Diamond Trade with Knowledge-Wiping Malware in Provide-Chain Assault

An Iranian superior persistent risk (APT) actor referred to as Agrius has been attributed as behind a set of knowledge wiper assaults aimed toward diamond industries in South Africa, Israel, and Hong Kong.

The wiper, known as Fantasy by ESET, is believed to have been delivered through a supply-chain assault concentrating on an Israeli software program suite developer as a part of a marketing campaign that started in February 2022.

Victims embody HR corporations, IT consulting firms, and a diamond wholesaler in Israel; a South African entity working within the diamond business; and a jeweler based mostly in Hong Kong.

“The Fantasy wiper is constructed on the foundations of the beforehand reported Apostle wiper however doesn’t try and masquerade as ransomware, as Apostle initially did, ESET researcher Adam Burgher disclosed in a Wednesday evaluation. “As an alternative, it goes proper to work wiping information.”

Apostle was first documented by SentinelOne in Might 2021 as a wiper-turned-ransomware that was deployed in damaging assaults towards Israeli targets.


Agrius, the Iran-aligned group behind the intrusions, has been lively since a minimum of December 2020 and leverages recognized safety flaws in internet-facing purposes to drop net shells which can be, in flip, used to facilitate reconnaissance, lateral motion, and the supply of final-stage payloads.

The Slovak cybersecurity firm stated the primary assault was detected on February 20, 2022, when the actor deployed credential harvesting instruments within the IT community of the South African group.

Agrius subsequently initiated the wiping assault through Fantasy on March 12, 2022, earlier than placing different firms in Israel and Hong Kong on the identical date.

Fantasy is executed by way of one other software referred to as Sandals, a 32-bit Home windows executable written in C#/.NET. It is stated to be deployed on the compromised host by way of a supply-chain assault utilizing the Israeli developer’s software program replace mechanism.

That is substantiated by ESET’s evaluation that each one victims are clients of the affected software program developer and that the wiper binary follows a naming conference (“fantasy45.exe” and “fantasy35.exe”) much like that of its respectable counterpart.

advanced persistent threat

The wiper, for its half, works by recursively retrieving the listing itemizing for every drive, overwriting each file in these directories with rubbish information, assigning a future timestamp to the information, after which deleting them.

“That is presumably finished to make restoration and forensic evaluation tougher,” Burgher defined.

In an extra try and erase all traces of the exercise, Fantasy clears all Home windows occasion logs, recursively purges all information within the system drive, overwrites the system’s Grasp Boot Report, self-deletes itself, and eventually reboots the machine.

The marketing campaign, which lasted not more than three hours, was in the end unsuccessful, with ESET stating that it was in a position to block the wiper’s execution. The developer of the software program has since pushed out clear updates to plug the assaults.

The title of the Israeli firm that fell sufferer to the supply-chain assault was not disclosed by ESET, however proof factors to it being Rubinstein Software program, which markets an enterprise useful resource planning (ERP) answer referred to as Fantasy that is used for jewellery inventory administration.

“Since its discovery in 2021, Agrius has been solely centered on damaging operations,” Burgher concluded.

“To that finish, Agrius operators most likely executed a supply-chain assault by concentrating on an Israeli software program firm’s software program updating mechanisms to deploy Fantasy, its latest wiper, to victims in Israel, Hong Kong, and South Africa.”

Agrius is way from the primary risk group linked to Iran that has been noticed deploying damaging wiper malware.

The APT33 hacking group (aka Elfin, Holmium, or Refined Kitten), which is suspected of working on the behest of the Iranian authorities, is alleged to have been behind a number of assaults that used the Shamoon wiper towards targets positioned within the Center East.

Knowledge-wiping malware codenamed ZeroCleare has additionally been employed by Iran-backed risk actors tracked as APT34 (aka OilRig or Helix Kitten) in assaults directed towards organizations from the power and industrial sector within the Center East.

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