General

  • Target

    ac6cd43b406c40e2b135c3aea427c817c4921befa84bbbadad17bbb1628eed73

  • Size

    350KB

  • Sample

    221013-stb74abbem

  • MD5

    6822f6f52fc026c121b2addec828b100

  • SHA1

    9bb9100c807a26311100f7542657178ad13fbf36

  • SHA256

    ac6cd43b406c40e2b135c3aea427c817c4921befa84bbbadad17bbb1628eed73

  • SHA512

    bae02889d7b218eb9647b82bb356a6bc596b27171b5fc6d469250845b12e7c37ebb53c36b83b53b9e95ed2e385c76742f2ef31ff994a19941ccc01d394c94ea9

  • SSDEEP

    6144:WyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:W3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Malware Config

Targets

    • Target

      ac6cd43b406c40e2b135c3aea427c817c4921befa84bbbadad17bbb1628eed73

    • Size

      350KB

    • MD5

      6822f6f52fc026c121b2addec828b100

    • SHA1

      9bb9100c807a26311100f7542657178ad13fbf36

    • SHA256

      ac6cd43b406c40e2b135c3aea427c817c4921befa84bbbadad17bbb1628eed73

    • SHA512

      bae02889d7b218eb9647b82bb356a6bc596b27171b5fc6d469250845b12e7c37ebb53c36b83b53b9e95ed2e385c76742f2ef31ff994a19941ccc01d394c94ea9

    • SSDEEP

      6144:WyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:W3BdQLL4BE93NGVYZX9BukJlwxSJdEm

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Deletes itself

    • Modifies file permissions

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Tasks