General

  • Target

    7a7a128a51a5e153c55481518bdffe67093e94d99845531918ff50875a13e5fe.exe

  • Size

    401KB

  • Sample

    220119-wnemtacbf2

  • MD5

    07f5f3b04b3997354115cc715febc848

  • SHA1

    2c4672af8ea071b1ff1d037cbf381dba26fe4250

  • SHA256

    7a7a128a51a5e153c55481518bdffe67093e94d99845531918ff50875a13e5fe

  • SHA512

    3cbf8c4fb6dd296826dce5b31e3e0fc23eeaba0d0949334287204ba73ccd01ad81a52ec6d91da0cbd5f4a77d28d20e3dee637110c851dee7e49731075d17255a

Malware Config

Extracted

Family

amadey

Version

2.71

C2

web.xmlpost.xyz/sj2vMs/index.php

web.jsonpost.xyz/sj2vMs/index.php

Extracted

Family

arkei

Botnet

Default

C2

http://ip.searchforadomainname.xyz/5CZxu3mgkL.php

Targets

    • Target

      7a7a128a51a5e153c55481518bdffe67093e94d99845531918ff50875a13e5fe.exe

    • Size

      401KB

    • MD5

      07f5f3b04b3997354115cc715febc848

    • SHA1

      2c4672af8ea071b1ff1d037cbf381dba26fe4250

    • SHA256

      7a7a128a51a5e153c55481518bdffe67093e94d99845531918ff50875a13e5fe

    • SHA512

      3cbf8c4fb6dd296826dce5b31e3e0fc23eeaba0d0949334287204ba73ccd01ad81a52ec6d91da0cbd5f4a77d28d20e3dee637110c851dee7e49731075d17255a

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Arkei

      Arkei is an infostealer written in C++.

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks