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Analysis

  • max time kernel
    150s
  • 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
    06/03/2024, 21:34

General

  • Target

    b83e8a96f7ed1194d0aba8cab1e13d9b.exe

  • Size

    2.6MB

  • MD5

    b83e8a96f7ed1194d0aba8cab1e13d9b

  • SHA1

    6cc8372b1241d60fc4e0dfd495725f509b78d36e

  • SHA256

    6f6fdbd4431305de4c3b92de91c0d6d29792c08d9201c8c3ff27f1116c46a9ad

  • SHA512

    cbb51f14ebd1c63fed9fa0a51a74677d23682f4b0b71dd4162b8965da212f061812a7a05d6421a0f1912f21e3e0df2c3e7f9f9112c0cb8352e407103659b08c4

  • SSDEEP

    49152:dU62vvnyJ7gfS2GgIKUAcyd5ulcn2SlTPvYPZvzqaPay3:mn53fxDe49n9a3

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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\b83e8a96f7ed1194d0aba8cab1e13d9b.exe
    "C:\Users\Admin\AppData\Local\Temp\b83e8a96f7ed1194d0aba8cab1e13d9b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\b83e8a96f7ed1194d0aba8cab1e13d9b.exe
      C:\Users\Admin\AppData\Local\Temp\b83e8a96f7ed1194d0aba8cab1e13d9b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:5116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\b83e8a96f7ed1194d0aba8cab1e13d9b.exe

    Filesize

    2.6MB

    MD5

    b300c8c159432e6ae51ef34bbe81bda6

    SHA1

    2b26c9f2b270d295caeadf25d5ec19abd210d696

    SHA256

    6f743e8c5e6b2937995f2d3e4bd368bf6e534a9580cdd1ff19ae93c7773d0e58

    SHA512

    01b773b389ddf550615ec34c056246ddb6684a1f4ff02ffd2024e992f2bd38640129beee4e57f7049d39d3b4c0c802a8c98492b6079b9b21f556d3a8efc0ddcd

  • memory/1568-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1568-1-0x0000000002190000-0x00000000023EA000-memory.dmp

    Filesize

    2.4MB

  • memory/1568-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1568-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/5116-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/5116-16-0x0000000002170000-0x00000000023CA000-memory.dmp

    Filesize

    2.4MB

  • memory/5116-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB