General

  • Target

    5b8d2a337f2de7069910864158169ec56a9b1fc8822f0261777bb2efff988cbf

  • Size

    360KB

  • Sample

    220128-aal9vacffn

  • MD5

    a5952fafe1a71d4b50df9129ffb38eb3

  • SHA1

    6849c448322ca0aff373fd02cbcbf321879ebb32

  • SHA256

    5b8d2a337f2de7069910864158169ec56a9b1fc8822f0261777bb2efff988cbf

  • SHA512

    d2a13a2e6f2369099defd03ceada5dd6c8485b20637bd3879e31c5dfb89b05a6dc6c93aad5df3060392a041269ca6df19b230fa4dfdd168891f6a806911d6c05

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      5b8d2a337f2de7069910864158169ec56a9b1fc8822f0261777bb2efff988cbf

    • Size

      360KB

    • MD5

      a5952fafe1a71d4b50df9129ffb38eb3

    • SHA1

      6849c448322ca0aff373fd02cbcbf321879ebb32

    • SHA256

      5b8d2a337f2de7069910864158169ec56a9b1fc8822f0261777bb2efff988cbf

    • SHA512

      d2a13a2e6f2369099defd03ceada5dd6c8485b20637bd3879e31c5dfb89b05a6dc6c93aad5df3060392a041269ca6df19b230fa4dfdd168891f6a806911d6c05

    • 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