General

  • Target

    d2658e995c021d635a316cba2d201eb937207948bfe211aa1b9481bc5dcdb24c

  • Size

    297KB

  • Sample

    220125-vhevysbef4

  • MD5

    6c0509aa249e7be165a27d32b138b265

  • SHA1

    75fb22e8b592e9961d2fa399078972d2a942f961

  • SHA256

    d2658e995c021d635a316cba2d201eb937207948bfe211aa1b9481bc5dcdb24c

  • SHA512

    27bec0af0d5b50272e8cf82ac7eab72e1bde57765e2691e3e3a83c6ae26c54487ea599a72991f25431169df1782a015a3aefae3f54cd68eac796fb07760e3251

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      d2658e995c021d635a316cba2d201eb937207948bfe211aa1b9481bc5dcdb24c

    • Size

      297KB

    • MD5

      6c0509aa249e7be165a27d32b138b265

    • SHA1

      75fb22e8b592e9961d2fa399078972d2a942f961

    • SHA256

      d2658e995c021d635a316cba2d201eb937207948bfe211aa1b9481bc5dcdb24c

    • SHA512

      27bec0af0d5b50272e8cf82ac7eab72e1bde57765e2691e3e3a83c6ae26c54487ea599a72991f25431169df1782a015a3aefae3f54cd68eac796fb07760e3251

    • 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