General

  • Target

    d57c23fd77bf91045b7bb1ee51c17387d3573ed0160f760f3e33b0d4be14f061

  • Size

    333KB

  • Sample

    220121-r6apcshgh8

  • MD5

    eaeec61c422f1ecd8a287a70a757f398

  • SHA1

    4dd730ec9999670c2aa6331f0d0358a5383e3618

  • SHA256

    d57c23fd77bf91045b7bb1ee51c17387d3573ed0160f760f3e33b0d4be14f061

  • SHA512

    15e20c1dbe5fe9a74efa23c9ca2dc9d542b6b1de24ca79b7590c4cd76797a94221e86be8a3b84cc13f2b3fb081937a4840d21880c44ffcb662f37fbc281b0b21

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Targets

    • Target

      d57c23fd77bf91045b7bb1ee51c17387d3573ed0160f760f3e33b0d4be14f061

    • Size

      333KB

    • MD5

      eaeec61c422f1ecd8a287a70a757f398

    • SHA1

      4dd730ec9999670c2aa6331f0d0358a5383e3618

    • SHA256

      d57c23fd77bf91045b7bb1ee51c17387d3573ed0160f760f3e33b0d4be14f061

    • SHA512

      15e20c1dbe5fe9a74efa23c9ca2dc9d542b6b1de24ca79b7590c4cd76797a94221e86be8a3b84cc13f2b3fb081937a4840d21880c44ffcb662f37fbc281b0b21

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks