General

  • Target

    m0wsoI3.exe

  • Size

    159KB

  • Sample

    250317-pgvbcszsft

  • MD5

    599e5d1eea684ef40fc206f71b5d4643

  • SHA1

    5111931bba3c960d14b44871950c62249aeefff7

  • SHA256

    2321c97ec6ac02f588357ad3d72df237f3042054f603851587c59eaef5ceb13c

  • SHA512

    842149b31140a4f42597e016ecb8cb22f8e98919ac5e5cc646543fce78e021a022c1a67376856251463a342b51d7d8a16322b1b90bc817e76952e8bb08df0ac0

  • SSDEEP

    3072:UjXEYZz5R/aCt5EwQvIlrycM7HNQoHPK9gsrk3rFXjo5JSp8Bb8EG:i/2Ct5EwQvIl9M7nHPK9dSc8EG

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

ctrlgem.xyz/gate.php

Targets

    • Target

      m0wsoI3.exe

    • Size

      159KB

    • MD5

      599e5d1eea684ef40fc206f71b5d4643

    • SHA1

      5111931bba3c960d14b44871950c62249aeefff7

    • SHA256

      2321c97ec6ac02f588357ad3d72df237f3042054f603851587c59eaef5ceb13c

    • SHA512

      842149b31140a4f42597e016ecb8cb22f8e98919ac5e5cc646543fce78e021a022c1a67376856251463a342b51d7d8a16322b1b90bc817e76952e8bb08df0ac0

    • SSDEEP

      3072:UjXEYZz5R/aCt5EwQvIlrycM7HNQoHPK9gsrk3rFXjo5JSp8Bb8EG:i/2Ct5EwQvIl9M7nHPK9dSc8EG

    • Mars Stealer

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

    • Marsstealer family

    • 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 Enterprise v15

Tasks

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