General

  • Target

    Saransk.exe

  • Size

    229KB

  • Sample

    240424-yaxycaga6s

  • MD5

    2280a102c1f09f71322017ce524b6660

  • SHA1

    8170de1bbde70f1c89a447caf95f8e7897ca2dcd

  • SHA256

    4481b5d3ba129725c46aa14c9366b0dbd0bc1adac7f82e5de7fd8b323454ea39

  • SHA512

    17969475dfa5bcfc2aff4b53c135ed8422b6990c6c5f43405e669a018b1932fe4cf20f74f78d26560475393c374963f54b53cce26f490bf56d45a359a487b08f

  • SSDEEP

    6144:lloZM9rIkd8g+EtXHkv/iD4P2cYecjfUv1gevPes0b8e1myTi:noZOL+EP8P2cYecjfUv1gevPehX+

Score
10/10

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1232671600818651158/lw9g8IHaTPdHfrfTGeOJLoRawDrtkUwYQk2PYzT__EF7GcK2eFYHBq3cpY2pbdDt8Wtu

Targets

    • Target

      Saransk.exe

    • Size

      229KB

    • MD5

      2280a102c1f09f71322017ce524b6660

    • SHA1

      8170de1bbde70f1c89a447caf95f8e7897ca2dcd

    • SHA256

      4481b5d3ba129725c46aa14c9366b0dbd0bc1adac7f82e5de7fd8b323454ea39

    • SHA512

      17969475dfa5bcfc2aff4b53c135ed8422b6990c6c5f43405e669a018b1932fe4cf20f74f78d26560475393c374963f54b53cce26f490bf56d45a359a487b08f

    • SSDEEP

      6144:lloZM9rIkd8g+EtXHkv/iD4P2cYecjfUv1gevPes0b8e1myTi:noZOL+EP8P2cYecjfUv1gevPehX+

    Score
    10/10
    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Drops file in Drivers directory

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks