General

  • Target

    0e6636134ba2befca9d66aee547fbf9423a080c16096328fc22a13b95dab138d

  • Size

    302KB

  • Sample

    220119-mjhdgahafp

  • MD5

    88147d7d8bdb7f04d1ab1d9c99ca3821

  • SHA1

    2e7fd4ebab84c475c2fca11ed6010d08b6803718

  • SHA256

    0e6636134ba2befca9d66aee547fbf9423a080c16096328fc22a13b95dab138d

  • SHA512

    e1ceb4106b6d955962a0e3e2a693d0cb9a77b09d79af8ada05db502d04e79334135433f4017209e422d6e7b78e41984db2e5c5bd59bdd6f8e2fa9765eebd5916

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      0e6636134ba2befca9d66aee547fbf9423a080c16096328fc22a13b95dab138d

    • Size

      302KB

    • MD5

      88147d7d8bdb7f04d1ab1d9c99ca3821

    • SHA1

      2e7fd4ebab84c475c2fca11ed6010d08b6803718

    • SHA256

      0e6636134ba2befca9d66aee547fbf9423a080c16096328fc22a13b95dab138d

    • SHA512

      e1ceb4106b6d955962a0e3e2a693d0cb9a77b09d79af8ada05db502d04e79334135433f4017209e422d6e7b78e41984db2e5c5bd59bdd6f8e2fa9765eebd5916

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • 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

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