General

  • Target

    8812216b294112dce54d3d570146e8bc2704a173c5a8625103a1ce9ed5941ed1

  • Size

    332KB

  • Sample

    220121-bc5pmscfbl

  • MD5

    ab2068904f5487d9fe62fa2dc15c31e8

  • SHA1

    7df609af43cf114b16842ea20752e6ef87600d13

  • SHA256

    8812216b294112dce54d3d570146e8bc2704a173c5a8625103a1ce9ed5941ed1

  • SHA512

    8e0ac41eec191da896f79682032dd33fe54cd857cfb6fed342d700746bc37ee544aa22046866d72a77527c50703edbe1400afb1cd64082c90089e4f7e068e1fd

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      8812216b294112dce54d3d570146e8bc2704a173c5a8625103a1ce9ed5941ed1

    • Size

      332KB

    • MD5

      ab2068904f5487d9fe62fa2dc15c31e8

    • SHA1

      7df609af43cf114b16842ea20752e6ef87600d13

    • SHA256

      8812216b294112dce54d3d570146e8bc2704a173c5a8625103a1ce9ed5941ed1

    • SHA512

      8e0ac41eec191da896f79682032dd33fe54cd857cfb6fed342d700746bc37ee544aa22046866d72a77527c50703edbe1400afb1cd64082c90089e4f7e068e1fd

    • 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