General

  • Target

    de70fcd3247b3a3d0a420caf3bf775c04ff8171e0986468b459fb4fdbd576c93

  • Size

    332KB

  • Sample

    220121-xp4trsagc8

  • MD5

    29ba04f7551dfb642f9bf058b1aafe88

  • SHA1

    8a491f03d776a58512a1f3cce133b8e8fed7759f

  • SHA256

    de70fcd3247b3a3d0a420caf3bf775c04ff8171e0986468b459fb4fdbd576c93

  • SHA512

    2414599e51b40ef3c6051d2a24580acc17e5f03e10b0b7f851b7f1f1a624bc289d4a49edce5910d25eb0de8b927427ea0636abdaee03b1125dcba09f85663299

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      de70fcd3247b3a3d0a420caf3bf775c04ff8171e0986468b459fb4fdbd576c93

    • Size

      332KB

    • MD5

      29ba04f7551dfb642f9bf058b1aafe88

    • SHA1

      8a491f03d776a58512a1f3cce133b8e8fed7759f

    • SHA256

      de70fcd3247b3a3d0a420caf3bf775c04ff8171e0986468b459fb4fdbd576c93

    • SHA512

      2414599e51b40ef3c6051d2a24580acc17e5f03e10b0b7f851b7f1f1a624bc289d4a49edce5910d25eb0de8b927427ea0636abdaee03b1125dcba09f85663299

    • 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