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Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2024, 20:29

General

  • Target

    1703e2a6825e290c8da584c71e86cc60N.exe

  • Size

    135KB

  • MD5

    1703e2a6825e290c8da584c71e86cc60

  • SHA1

    feafc890dff86816443abdf9dfa0b3a51f55b956

  • SHA256

    ee9dd70687ef98791daf0e7a06c437b373aa8589716dea602a5636cbeefe0b82

  • SHA512

    f1a8080e2b91cf297cd67e1ac6000372d8b4c0d889a6230e378b6eea084bda3132043e8afd45dc4a040af9bf1fcbdcae60b74bd9b883d94d8c838ecbb6c95f4d

  • SSDEEP

    1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOz:YfU/WF6QMauSuiWNi9eNOl0007NZIOz

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

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

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe
    "C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      PID:956
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe" >> NUL
      2⤵
        PID:1608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Update\wuauclt.exe

      Filesize

      135KB

      MD5

      c2f50705bdede8cf671f2f64c900a25f

      SHA1

      65a2571fc8e97780ee6c3479a88cfa0268f2af25

      SHA256

      7f3ba9018e6903dafb1a4ea4dbcd348ab48bd69f61adc55d7bd138028b021be0

      SHA512

      64c5f413981afcc34669fef7f2ecd19862bc39d63b7e02fa60a1a0b2d7dee3e0e859b6c84686df4081eb250307c6f2c5a9996f19c945e555e64cf4531f402bc3

    • memory/956-5-0x0000000000E40000-0x0000000000E68000-memory.dmp

      Filesize

      160KB

    • memory/956-7-0x0000000000E40000-0x0000000000E68000-memory.dmp

      Filesize

      160KB

    • memory/2972-0-0x00000000006C0000-0x00000000006E8000-memory.dmp

      Filesize

      160KB

    • memory/2972-6-0x00000000006C0000-0x00000000006E8000-memory.dmp

      Filesize

      160KB

    • memory/2972-8-0x00000000006C0000-0x00000000006E8000-memory.dmp

      Filesize

      160KB