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Analysis

  • max time kernel
    129s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2022, 18:48

General

  • Target

    8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621.exe

  • Size

    1020KB

  • MD5

    496f86f951e1dbd3c4534d51a5297668

  • SHA1

    1199c5f30f5724841905cbdb9787649d15aae3d5

  • SHA256

    8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621

  • SHA512

    382abc596081ca5d0fdea39b12afe433e446cd50f59e4abca818162d96e46465beb1cda631109083071e7c050af6bfcf867be41d02c1e2ebe5dd99f61f45d510

  • SSDEEP

    24576:es0fVWVbd8fKT0KqTAFFCa/2yDEmdvAkomBbOsn51D:es0fVWVR8fKTeU1imBbl51D

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621.exe
    "C:\Users\Admin\AppData\Local\Temp\8b04af13b729b0634b1a3c83e5758f25aecb708480bf2e3df524e889b305c621.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3500
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 472 -p 880 -ip 880
      1⤵
        PID:4120
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 880 -s 1760
        1⤵
        • Program crash
        PID:644

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4072-133-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/4072-135-0x00000000025D0000-0x00000000025F9000-memory.dmp

        Filesize

        164KB

      • memory/4072-136-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/4072-137-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/4072-138-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB