General

  • Target

    e4ac9892d0f99b837a2ab6719f53dbe83db91e29b37e686826fc2ff4e2110d3a

  • Size

    360KB

  • Sample

    220126-y9mawsadd3

  • MD5

    c691378d7416166cca00f1ebd9e48eb1

  • SHA1

    039fd86ac28a166a50e63329b39c875416365fbb

  • SHA256

    e4ac9892d0f99b837a2ab6719f53dbe83db91e29b37e686826fc2ff4e2110d3a

  • SHA512

    3664cc47a6f1fe7388608d29d9939d46c37e4b69d8ddbe6f487d8ac7804d0c2d2e5b4b92e96921787763e2ca65199d9a2467d5e2f6dcb7abd9ba80b17c941178

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      e4ac9892d0f99b837a2ab6719f53dbe83db91e29b37e686826fc2ff4e2110d3a

    • Size

      360KB

    • MD5

      c691378d7416166cca00f1ebd9e48eb1

    • SHA1

      039fd86ac28a166a50e63329b39c875416365fbb

    • SHA256

      e4ac9892d0f99b837a2ab6719f53dbe83db91e29b37e686826fc2ff4e2110d3a

    • SHA512

      3664cc47a6f1fe7388608d29d9939d46c37e4b69d8ddbe6f487d8ac7804d0c2d2e5b4b92e96921787763e2ca65199d9a2467d5e2f6dcb7abd9ba80b17c941178

    • 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