General

  • Target

    3920501bc3dd2500e08f7db8baa048248c632832358932d0059474496082b2ae

  • Size

    332KB

  • Sample

    220121-x5rt5sagh8

  • MD5

    cc4bce68bc6e83ee07c3e6daf9faa2e3

  • SHA1

    dbcbe4d3c35e453aad4f11b50b25b015aa479728

  • SHA256

    3920501bc3dd2500e08f7db8baa048248c632832358932d0059474496082b2ae

  • SHA512

    a7f8a5832bd4d6fc2a8ebcf84b89b96b7df741355ab16f43c1e5993a71a897e6b7aa3b6bd21ef9b07d6b90a80a4cd3c0bca37c2b27072e568e044c71ef03829a

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      3920501bc3dd2500e08f7db8baa048248c632832358932d0059474496082b2ae

    • Size

      332KB

    • MD5

      cc4bce68bc6e83ee07c3e6daf9faa2e3

    • SHA1

      dbcbe4d3c35e453aad4f11b50b25b015aa479728

    • SHA256

      3920501bc3dd2500e08f7db8baa048248c632832358932d0059474496082b2ae

    • SHA512

      a7f8a5832bd4d6fc2a8ebcf84b89b96b7df741355ab16f43c1e5993a71a897e6b7aa3b6bd21ef9b07d6b90a80a4cd3c0bca37c2b27072e568e044c71ef03829a

    • 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