General

  • Target

    3853494910312d9351224dc5001fc99db44b068417c8a90a5815e0fd53355bc3

  • Size

    352KB

  • Sample

    220129-fmecnaddbm

  • MD5

    a2ceec05fd921ae5ff4829257f911442

  • SHA1

    0a6d7854a5431910dc55c545129f4069e4ff47fd

  • SHA256

    3853494910312d9351224dc5001fc99db44b068417c8a90a5815e0fd53355bc3

  • SHA512

    880a89f8deca1c9067b7c2885dece333eed0372a29d4190c28857dd4563319a9da18bf05194d22b9deacd456fa14cf9383ccf1c3ff67643abeb62edf3f6e9732

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://coin-file-file-19.com/tratata.php

Targets

    • Target

      3853494910312d9351224dc5001fc99db44b068417c8a90a5815e0fd53355bc3

    • Size

      352KB

    • MD5

      a2ceec05fd921ae5ff4829257f911442

    • SHA1

      0a6d7854a5431910dc55c545129f4069e4ff47fd

    • SHA256

      3853494910312d9351224dc5001fc99db44b068417c8a90a5815e0fd53355bc3

    • SHA512

      880a89f8deca1c9067b7c2885dece333eed0372a29d4190c28857dd4563319a9da18bf05194d22b9deacd456fa14cf9383ccf1c3ff67643abeb62edf3f6e9732

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • 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