General

  • Target

    52d3c8af3cabfedb2589968e9c2eae71358ccd4e2627b65e98e92d93f95fb3b5

  • Size

    313KB

  • Sample

    220201-j7g6tsbhd6

  • MD5

    cc7701e63927544968221d78b4a42254

  • SHA1

    38df6599802d171deca91fa7350a160ea8851f3a

  • SHA256

    52d3c8af3cabfedb2589968e9c2eae71358ccd4e2627b65e98e92d93f95fb3b5

  • SHA512

    749e17775654d5ebe8f808052bb84b50ba2dae33d835fce2db40db5d70da8844e9db75dfd409d19367024b4ca18ef43cb8dbb73909b6739661d433be1ecc61d5

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      52d3c8af3cabfedb2589968e9c2eae71358ccd4e2627b65e98e92d93f95fb3b5

    • Size

      313KB

    • MD5

      cc7701e63927544968221d78b4a42254

    • SHA1

      38df6599802d171deca91fa7350a160ea8851f3a

    • SHA256

      52d3c8af3cabfedb2589968e9c2eae71358ccd4e2627b65e98e92d93f95fb3b5

    • SHA512

      749e17775654d5ebe8f808052bb84b50ba2dae33d835fce2db40db5d70da8844e9db75dfd409d19367024b4ca18ef43cb8dbb73909b6739661d433be1ecc61d5

    • 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