Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2024 18:26

General

  • Target

    Samples 1/3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a.exe

  • Size

    39KB

  • MD5

    815996cd5d7442c707261c1b30dd1042

  • SHA1

    fd331e80c76444662ec0947e591441ec97ca1dfa

  • SHA256

    3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a

  • SHA512

    aedd19e77f7750b46ad847debc483c46237d83f9f96be9a5b3793c8c63eecdc49699c568dc2d4217c6762d9ad0679771cea4e730bb24c673953dbaf4342b65e7

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/G7:ZzFbxmLPWQMOtEvwDpj38lD/q

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Samples 1\3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a.exe
    "C:\Users\Admin\AppData\Local\Temp\Samples 1\3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe
    Filesize

    40KB

    MD5

    10be75ea91c80a787724d87ce0804138

    SHA1

    85634ce01279b4925ad6d6870885c4ca3956f739

    SHA256

    9fddf749e41ead8925796c9a8a81115583e75af2113a600a53eabda70bdf776b

    SHA512

    a65f93a3f7c648dfbbf5569e84d30e7a6838c00e60e2d089d06af1fd9106014800ba5249341c30893b7cdef50213ae7ad3da961823dd84cb808bddbbc51033fb

  • C:\Users\Admin\AppData\Local\Temp\misid.exe
    Filesize

    28KB

    MD5

    d605dbcd690d661e112cb7b0f7fc3134

    SHA1

    80df2a1ea53ed6fd0b0da90da56ed3c44c61c15f

    SHA256

    0ab8b981380baf34dc9cde4daae6335ba341fe899c1f1cfc3a66891720ffe144

    SHA512

    658c77065f8294813d0364173784c93fdcc7714ea5cf8d964b3f3c39851b66aecf466bdd0833456db7451774cd7d587440e02d77e115c5159bbf0ac91bb8029a

  • memory/3208-19-0x00000000006D0000-0x00000000006D6000-memory.dmp
    Filesize

    24KB

  • memory/3208-25-0x00000000006B0000-0x00000000006B6000-memory.dmp
    Filesize

    24KB

  • memory/4928-1-0x0000000002300000-0x0000000002306000-memory.dmp
    Filesize

    24KB

  • memory/4928-3-0x0000000002220000-0x0000000002226000-memory.dmp
    Filesize

    24KB

  • memory/4928-2-0x0000000002300000-0x0000000002306000-memory.dmp
    Filesize

    24KB

  • memory/4928-0-0x0000000000410000-0x0000000000413000-memory.dmp
    Filesize

    12KB

  • memory/4928-17-0x0000000000410000-0x0000000000413000-memory.dmp
    Filesize

    12KB