General

  • Target

    0b32637010737e98ee8d1eb73537d7747d870e44e4c5e17d7ea562cf71605da8

  • Size

    336KB

  • Sample

    220126-nmd1wsccbl

  • MD5

    728ea8a079304738242507b06624250b

  • SHA1

    738d80874e0d46f910482c7291eb6db07692de23

  • SHA256

    0b32637010737e98ee8d1eb73537d7747d870e44e4c5e17d7ea562cf71605da8

  • SHA512

    04c6c8eb98ac610c3c08ff6dd09c272f416c764f6d551de59e259ec9348aac067f07323ecb8a532e6cccc4dcea232471e3e59bd92d56096b5b9ef9e8998c8108

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      0b32637010737e98ee8d1eb73537d7747d870e44e4c5e17d7ea562cf71605da8

    • Size

      336KB

    • MD5

      728ea8a079304738242507b06624250b

    • SHA1

      738d80874e0d46f910482c7291eb6db07692de23

    • SHA256

      0b32637010737e98ee8d1eb73537d7747d870e44e4c5e17d7ea562cf71605da8

    • SHA512

      04c6c8eb98ac610c3c08ff6dd09c272f416c764f6d551de59e259ec9348aac067f07323ecb8a532e6cccc4dcea232471e3e59bd92d56096b5b9ef9e8998c8108

    • 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