General

  • Target

    cd727548bba3e06141ac7972cf7309fbea8585612d01b495be29fa5e37fbc4a9

  • Size

    242KB

  • Sample

    220131-3cypwadhh4

  • MD5

    37e878fc24c8adb19678df01ca624f3f

  • SHA1

    c1f7d75aa54eeda91eaef01b0befd017a3f28cb7

  • SHA256

    cd727548bba3e06141ac7972cf7309fbea8585612d01b495be29fa5e37fbc4a9

  • SHA512

    cf4a33e95065775ae936c374a37102114548afbf82977362dcb368bc365cab1307bdf425e8224d1144d13b22676d5284c68a12ea25612b2262d3db9fcb11154e

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      cd727548bba3e06141ac7972cf7309fbea8585612d01b495be29fa5e37fbc4a9

    • Size

      242KB

    • MD5

      37e878fc24c8adb19678df01ca624f3f

    • SHA1

      c1f7d75aa54eeda91eaef01b0befd017a3f28cb7

    • SHA256

      cd727548bba3e06141ac7972cf7309fbea8585612d01b495be29fa5e37fbc4a9

    • SHA512

      cf4a33e95065775ae936c374a37102114548afbf82977362dcb368bc365cab1307bdf425e8224d1144d13b22676d5284c68a12ea25612b2262d3db9fcb11154e

    • 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