General

  • Target

    a40f1495f3359b052b774d004972075d8f9aff4aec8cf480d8fb40a6ec43c0fa

  • Size

    309KB

  • Sample

    220201-fxagfshgg9

  • MD5

    2d72bace12cee0e38d07b057fe1aa88f

  • SHA1

    add3d2b35c75e2fde684d35386df654526619e9e

  • SHA256

    a40f1495f3359b052b774d004972075d8f9aff4aec8cf480d8fb40a6ec43c0fa

  • SHA512

    5467a06da4d8685a91e406dbcca589fa9fc4935e56ee610bfdd626af92204e096824ecb91a18362db32a439bcc8796537bf87444796d1c5b64b7a4d44b06d75a

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      a40f1495f3359b052b774d004972075d8f9aff4aec8cf480d8fb40a6ec43c0fa

    • Size

      309KB

    • MD5

      2d72bace12cee0e38d07b057fe1aa88f

    • SHA1

      add3d2b35c75e2fde684d35386df654526619e9e

    • SHA256

      a40f1495f3359b052b774d004972075d8f9aff4aec8cf480d8fb40a6ec43c0fa

    • SHA512

      5467a06da4d8685a91e406dbcca589fa9fc4935e56ee610bfdd626af92204e096824ecb91a18362db32a439bcc8796537bf87444796d1c5b64b7a4d44b06d75a

    • 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