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Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 13:44

General

  • Target

    2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe

  • Size

    3.5MB

  • MD5

    21e693dd6cf7be3eef4887a0de5bceac

  • SHA1

    49291d45ae4c16d6077b5849076c277ee84fab8c

  • SHA256

    19abda2a390d0dbcaf019284a5b2a85b9ec6c847ca753b32f478189f49c4f9b5

  • SHA512

    791046b4e0eea738b28212066f48583e53602bfa57a28ba4d257fc4650550f4674b73e398ed0a49ae0d82deb6ffa304a6bd4404f9b17578f73744c21c5d43d55

  • SSDEEP

    49152:JCFzThuMHqCikNXSlW7sWVLRfGyyTozbsem:khhuraNXSE7sqo0Hsj

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:712
    • C:\Windows\SysWOW64\KYmJVs.exe
      -auto
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\syStEm32\KYmJVs.exe
        -troj
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2520
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" > nul
      2⤵
        PID:4036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\KYmJVs.exe

      Filesize

      3.5MB

      MD5

      21e693dd6cf7be3eef4887a0de5bceac

      SHA1

      49291d45ae4c16d6077b5849076c277ee84fab8c

      SHA256

      19abda2a390d0dbcaf019284a5b2a85b9ec6c847ca753b32f478189f49c4f9b5

      SHA512

      791046b4e0eea738b28212066f48583e53602bfa57a28ba4d257fc4650550f4674b73e398ed0a49ae0d82deb6ffa304a6bd4404f9b17578f73744c21c5d43d55

    • memory/2520-8-0x0000000000950000-0x000000000095B000-memory.dmp

      Filesize

      44KB

    • memory/2520-9-0x00000000064E0000-0x00000000064EB000-memory.dmp

      Filesize

      44KB

    • memory/2520-10-0x0000000000940000-0x0000000000941000-memory.dmp

      Filesize

      4KB

    • memory/2520-12-0x00000000064E0000-0x00000000064EB000-memory.dmp

      Filesize

      44KB

    • memory/2520-11-0x0000000000960000-0x0000000000961000-memory.dmp

      Filesize

      4KB

    • memory/2520-13-0x00000000064C0000-0x00000000064C1000-memory.dmp

      Filesize

      4KB

    • memory/2520-14-0x00000000064A0000-0x00000000064A1000-memory.dmp

      Filesize

      4KB

    • memory/2520-15-0x00000000064B0000-0x00000000064B1000-memory.dmp

      Filesize

      4KB

    • memory/2520-42-0x0000000000950000-0x000000000095B000-memory.dmp

      Filesize

      44KB

    • memory/2520-43-0x00000000064E0000-0x00000000064EB000-memory.dmp

      Filesize

      44KB