General

  • Target

    7848036132.zip

  • Size

    131KB

  • Sample

    220805-ta2t3sefa9

  • MD5

    6c40792aa22219223c9ac9738ce885a2

  • SHA1

    3d5692753deddfff118962e90625dbb42a0a0334

  • SHA256

    fbf742c40ad5a1ba5f6258244f484fac04134e839ceb95f4e3ca7b9567f6b537

  • SHA512

    a6ebf8143dd3f180896d209c4b024d8ac60035b2091037c4fa0e1bf69e13f320bd636d1f3bebe803b95976fa7552f82f5d2889d6a43eb633aa027fc01423ed9d

  • SSDEEP

    3072:x9SfRItIiMuWQU656zlxYu14HPyh2V5BpXYxZRssD:x9U2zfexYuuKh2V3poxZym

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

atomic-wallet.net/marsword/gate.php

Targets

    • Target

      10afe233525aaf99064e4e444f11a8fc01f8b9f508e4f123fd76b314a6d360f9

    • Size

      171KB

    • MD5

      10f0d3a64949a6e15a9c389059a8f379

    • SHA1

      0f6e3442c67d6688fae5f51b4f60b78cd05f30df

    • SHA256

      10afe233525aaf99064e4e444f11a8fc01f8b9f508e4f123fd76b314a6d360f9

    • SHA512

      40b19007433518aba9c19c9fdae314112a73f50ab0dcf9356a1887b44bcdbadf767be1eb0f2d4c1ba249c8791473c55e0d9f12daaed9356bf560e14d3e473c60

    • SSDEEP

      3072:UT2zrkyQyNgBm3LT/ohHbD5pFhuQ3xVdOJnEcJSp8Bb8EG9XkP0N:iyQyeB2LTAh7D5pFhuCTG8EG9X1N

    • 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.

    • Deletes itself

    • 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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks