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Analysis

  • max time kernel
    91s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 22:05

General

  • Target

    b12c3344b31767b95ab98febe81d28f0.exe

  • Size

    527KB

  • MD5

    b12c3344b31767b95ab98febe81d28f0

  • SHA1

    3cb0738ecd5c60c624df29c19c2bfe1f57b52d08

  • SHA256

    2a3d49b7798b9b3d4a4ed901dc02ed1759c47e1a50443c2fc086e77bd66bddbd

  • SHA512

    c587bfe30c2a303f29e8ae1351588a478695dce22decff88687d58d4d73b16dc066a592a2c938b4fd921f1b0597e877eff73ed9fbeef0559953cd1f677adece0

  • SSDEEP

    12288:EXB3/hAY2h8QeSjMlHHIPU1YmzejLhRRTpnGL90m:9Y2hbPjUnsU1P6jLhRjYx

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b12c3344b31767b95ab98febe81d28f0.exe
    "C:\Users\Admin\AppData\Local\Temp\b12c3344b31767b95ab98febe81d28f0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Users\Admin\AppData\Local\Temp\b12c3344b31767b95ab98febe81d28f0.exe
      C:\Users\Admin\AppData\Local\Temp\b12c3344b31767b95ab98febe81d28f0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\b12c3344b31767b95ab98febe81d28f0.exe

    Filesize

    527KB

    MD5

    2d9b78666b701ceab9e85c5f86d6aaa5

    SHA1

    3696fadfdcd078f25a6e3cade657474e2483b975

    SHA256

    7fa4cb282bbc29e5a95db47ead9f90b62fe4b124623923e2615b3bb4b028b2fe

    SHA512

    d4d690ec5103c5c066d07d06890508a2a8afc630715b99a54c35bf7bddf445d195626aec517045170ad1fca684e07a3cb79addc6e5a5a8972629d685dd6fccb3

  • memory/3504-15-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/3504-17-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/3504-30-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/4072-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/4072-1-0x0000000001520000-0x0000000001551000-memory.dmp

    Filesize

    196KB

  • memory/4072-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4072-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB