General

  • Target

    Builded.exe

  • Size

    159KB

  • Sample

    220825-qn96tsdfap

  • MD5

    00d5cd42c25e75858eb8078585022140

  • SHA1

    51ceb557b9d65f9d7e7c0aa9f31a6a9bb584b8f4

  • SHA256

    cdbbca5bc9428b5e403f4af071affbfe74b90c1b3244908bb0470d214f080205

  • SHA512

    e88ef22f6cf527d99e65abe2c24625eddb49e8a25b90648319e0d9ac17e8f0dec79a7d5050b7ccec21ffe14a71181dc7449b217c25ca3c028a8e5485419be55e

  • SSDEEP

    3072:UjTFcBgI8VBs+Zv3mniJNjK0HvtCDKuNt+5JSp8Bb8EG:gFQ1K+K2ni/JHVye8EG

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

mars.housewall.xyz/gate.php

Targets

    • Target

      Builded.exe

    • Size

      159KB

    • MD5

      00d5cd42c25e75858eb8078585022140

    • SHA1

      51ceb557b9d65f9d7e7c0aa9f31a6a9bb584b8f4

    • SHA256

      cdbbca5bc9428b5e403f4af071affbfe74b90c1b3244908bb0470d214f080205

    • SHA512

      e88ef22f6cf527d99e65abe2c24625eddb49e8a25b90648319e0d9ac17e8f0dec79a7d5050b7ccec21ffe14a71181dc7449b217c25ca3c028a8e5485419be55e

    • SSDEEP

      3072:UjTFcBgI8VBs+Zv3mniJNjK0HvtCDKuNt+5JSp8Bb8EG:gFQ1K+K2ni/JHVye8EG

    • Mars Stealer

      An infostealer written in C++ based on other infostealers.

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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