General

  • Target

    7aa3c65496b968c3641b7d7db1849ad4715053d6.rl

  • Size

    159KB

  • Sample

    240319-rahebsed8x

  • MD5

    538cc587125f738ae81e2e4fe28c0084

  • SHA1

    7aa3c65496b968c3641b7d7db1849ad4715053d6

  • SHA256

    319b8b4f833b7a319dae6c6ff148d0ec75f83ac6f031678a54ab31a5ab360c39

  • SHA512

    770eafcaa7ede802b61d6483fad9a4eff6161867c5d7f78b4ee2dfd01002425b56c09c52dea495b3b43b80f6ecfb966dedf79a08e0316f018b1cde929524bf2b

  • SSDEEP

    3072:UP2iydi+7Jtzet46rSIskyH39vIe3EZ8CbsZEE6tLJSp8Bb8EG:edIfzetJFyXRlCbeV6tH8EG

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

couriercare.in/18/gate.php

Targets

    • Target

      7aa3c65496b968c3641b7d7db1849ad4715053d6.rl

    • Size

      159KB

    • MD5

      538cc587125f738ae81e2e4fe28c0084

    • SHA1

      7aa3c65496b968c3641b7d7db1849ad4715053d6

    • SHA256

      319b8b4f833b7a319dae6c6ff148d0ec75f83ac6f031678a54ab31a5ab360c39

    • SHA512

      770eafcaa7ede802b61d6483fad9a4eff6161867c5d7f78b4ee2dfd01002425b56c09c52dea495b3b43b80f6ecfb966dedf79a08e0316f018b1cde929524bf2b

    • SSDEEP

      3072:UP2iydi+7Jtzet46rSIskyH39vIe3EZ8CbsZEE6tLJSp8Bb8EG:edIfzetJFyXRlCbeV6tH8EG

    • Mars Stealer

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

    • Downloads MZ/PE file

    • 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 v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks