General

  • Target

    234125894435db34a08e3cf2ae39194301f6dfcbbf2d6786b918901bf93921c2

  • Size

    309KB

  • Sample

    220201-fq82fahfh4

  • MD5

    d50a606a40c0da3a66a94513f9e3e1a4

  • SHA1

    a46eec5d79db916acf8f99101c2ee73ce5d19882

  • SHA256

    234125894435db34a08e3cf2ae39194301f6dfcbbf2d6786b918901bf93921c2

  • SHA512

    121cd9220d0e9e40a8fc728d9f05c77282d02113a839d1ffa69aa369a35d24c2dffcad578ced645bd1679dd8c2a172a9272a6ef7289a67447902a3d6772b3b09

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      234125894435db34a08e3cf2ae39194301f6dfcbbf2d6786b918901bf93921c2

    • Size

      309KB

    • MD5

      d50a606a40c0da3a66a94513f9e3e1a4

    • SHA1

      a46eec5d79db916acf8f99101c2ee73ce5d19882

    • SHA256

      234125894435db34a08e3cf2ae39194301f6dfcbbf2d6786b918901bf93921c2

    • SHA512

      121cd9220d0e9e40a8fc728d9f05c77282d02113a839d1ffa69aa369a35d24c2dffcad578ced645bd1679dd8c2a172a9272a6ef7289a67447902a3d6772b3b09

    • 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