General

  • Target

    156f73bb1241ddd75420fa0a99fb04eafe90a7f3aa7ad95dba1e42b0df995fcc

  • Size

    269KB

  • Sample

    220121-3szxwadhel

  • MD5

    c79692868d54348d3606835ff47eb29d

  • SHA1

    2342d85852a5f8094e55d30a6ea393cbcf675f1d

  • SHA256

    156f73bb1241ddd75420fa0a99fb04eafe90a7f3aa7ad95dba1e42b0df995fcc

  • SHA512

    53fb7fd37871f765905c22f34a208c15f0c0d91cb82f13bb5eefbdb2ba84dcf38eaf4e27cebe67822655578e7526f887090537709e7e77b4891c2916ac3e73dd

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://homesteadr.link/ggate.php

Targets

    • Target

      156f73bb1241ddd75420fa0a99fb04eafe90a7f3aa7ad95dba1e42b0df995fcc

    • Size

      269KB

    • MD5

      c79692868d54348d3606835ff47eb29d

    • SHA1

      2342d85852a5f8094e55d30a6ea393cbcf675f1d

    • SHA256

      156f73bb1241ddd75420fa0a99fb04eafe90a7f3aa7ad95dba1e42b0df995fcc

    • SHA512

      53fb7fd37871f765905c22f34a208c15f0c0d91cb82f13bb5eefbdb2ba84dcf38eaf4e27cebe67822655578e7526f887090537709e7e77b4891c2916ac3e73dd

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • 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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks