General

  • Target

    205389d8d94a6fa6a3e88394b0cc0c1fbe6cfb5b33bf8f41960b103b2957036c

  • Size

    351KB

  • Sample

    220129-k1j8aahda3

  • MD5

    a45555c7fec50bf3b09cfe1b96cc47e0

  • SHA1

    d07a500c7d483b1805b4cdd13e8d826d5b783174

  • SHA256

    205389d8d94a6fa6a3e88394b0cc0c1fbe6cfb5b33bf8f41960b103b2957036c

  • SHA512

    48810ed5673aae5358d197d4abc5dac388e6a2642f0a465363c242aa8ba9a7c54f77b7798c4ea326ca4c942cfb2014764219f0ba6b8c65c8687c41064dbfecce

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      205389d8d94a6fa6a3e88394b0cc0c1fbe6cfb5b33bf8f41960b103b2957036c

    • Size

      351KB

    • MD5

      a45555c7fec50bf3b09cfe1b96cc47e0

    • SHA1

      d07a500c7d483b1805b4cdd13e8d826d5b783174

    • SHA256

      205389d8d94a6fa6a3e88394b0cc0c1fbe6cfb5b33bf8f41960b103b2957036c

    • SHA512

      48810ed5673aae5358d197d4abc5dac388e6a2642f0a465363c242aa8ba9a7c54f77b7798c4ea326ca4c942cfb2014764219f0ba6b8c65c8687c41064dbfecce

    • 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