General

  • Target

    8ffb6573ef6004fa8199d8ee775584e9d22f9da709cb46dcde3dd5b064b28eab

  • Size

    266KB

  • Sample

    220130-21198sbgek

  • MD5

    6e11fa8458b4d6eb763bcf060f965633

  • SHA1

    ede7f5f8c5a976510c9e53aba88ac86e13ffb60e

  • SHA256

    8ffb6573ef6004fa8199d8ee775584e9d22f9da709cb46dcde3dd5b064b28eab

  • SHA512

    f0ddfa6038cd776c06b8345f8952c687b298c091aec6cc23495ccae66ecf90da06d4b628a8d00cefd6c8fb1c81850fa83689a878d3db37ef99d871a02d992785

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      8ffb6573ef6004fa8199d8ee775584e9d22f9da709cb46dcde3dd5b064b28eab

    • Size

      266KB

    • MD5

      6e11fa8458b4d6eb763bcf060f965633

    • SHA1

      ede7f5f8c5a976510c9e53aba88ac86e13ffb60e

    • SHA256

      8ffb6573ef6004fa8199d8ee775584e9d22f9da709cb46dcde3dd5b064b28eab

    • SHA512

      f0ddfa6038cd776c06b8345f8952c687b298c091aec6cc23495ccae66ecf90da06d4b628a8d00cefd6c8fb1c81850fa83689a878d3db37ef99d871a02d992785

    • 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