General

  • Target

    ce9ef8a9a01ff0a74f445c661ea6081b1082af46ff8f355f8b487642848bd420

  • Size

    289KB

  • Sample

    220119-16n2esdfh2

  • MD5

    63d70f5773a79ee77f3b416fdebd0bf1

  • SHA1

    836d7d293724ee0d6c1c822993dd0da7945d5a52

  • SHA256

    ce9ef8a9a01ff0a74f445c661ea6081b1082af46ff8f355f8b487642848bd420

  • SHA512

    1e5eedfdd0a991843199639385ad32198dbf950b1858135583904780fbb7b362b1c812bd9cd115a4e663e4b005329183d8c14e906de69ff25a4f27afbff659f7

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      ce9ef8a9a01ff0a74f445c661ea6081b1082af46ff8f355f8b487642848bd420

    • Size

      289KB

    • MD5

      63d70f5773a79ee77f3b416fdebd0bf1

    • SHA1

      836d7d293724ee0d6c1c822993dd0da7945d5a52

    • SHA256

      ce9ef8a9a01ff0a74f445c661ea6081b1082af46ff8f355f8b487642848bd420

    • SHA512

      1e5eedfdd0a991843199639385ad32198dbf950b1858135583904780fbb7b362b1c812bd9cd115a4e663e4b005329183d8c14e906de69ff25a4f27afbff659f7

    • 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