General

  • Target

    c62fadb189732efc1e9e9aa47b036d931acdae2a9627493eff6be622c7807313

  • Size

    302KB

  • Sample

    220118-x4zhlacggr

  • MD5

    cef11efce6605342c9b94d0cda08bb2f

  • SHA1

    ce03b739e2a14d020cc0949e6eb74cef6ffe4f46

  • SHA256

    c62fadb189732efc1e9e9aa47b036d931acdae2a9627493eff6be622c7807313

  • SHA512

    ba2e4c96bc208b903a851b788f78e58e301ebe31de2736bc0a766a00a10a13e2c3033b3090135d70006f09a4e25e0de61d78c207a3f94d285f09f4e27c7faf35

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      c62fadb189732efc1e9e9aa47b036d931acdae2a9627493eff6be622c7807313

    • Size

      302KB

    • MD5

      cef11efce6605342c9b94d0cda08bb2f

    • SHA1

      ce03b739e2a14d020cc0949e6eb74cef6ffe4f46

    • SHA256

      c62fadb189732efc1e9e9aa47b036d931acdae2a9627493eff6be622c7807313

    • SHA512

      ba2e4c96bc208b903a851b788f78e58e301ebe31de2736bc0a766a00a10a13e2c3033b3090135d70006f09a4e25e0de61d78c207a3f94d285f09f4e27c7faf35

    • 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