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Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 14:56

General

  • Target

    cff9c5583d8bbc0aba328311488a291a.exe

  • Size

    10.2MB

  • MD5

    cff9c5583d8bbc0aba328311488a291a

  • SHA1

    48271eafab43f8d3ab2dc6b63ea3b7740f27325b

  • SHA256

    09199eb8f479720d93c37d66a408336fe7cefb9fe22bfc5171dde0acb1fbedee

  • SHA512

    48e8a87bf83f2a0476c4b902da394ffbb8c3c245134e1ee7b0d22439b0430e1179c8154b02f8a6e43e92abe9a59b39a00c45eb822f972db9ef1e7c9b8b506c61

  • SSDEEP

    196608:dzd3P02HeHXYi5FWZ2dFKR3jmTHOQyi5FWZ2dFK:r3EYiT82Ujau1iT82

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\cff9c5583d8bbc0aba328311488a291a.exe
    "C:\Users\Admin\AppData\Local\Temp\cff9c5583d8bbc0aba328311488a291a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\cff9c5583d8bbc0aba328311488a291a.exe
      C:\Users\Admin\AppData\Local\Temp\cff9c5583d8bbc0aba328311488a291a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cff9c5583d8bbc0aba328311488a291a.exe

    Filesize

    92KB

    MD5

    32de702672dbf8e8f21b1953a7cb2914

    SHA1

    2db3ee3271068fb5319de64db0b5c3ea8cbb28ec

    SHA256

    ea25758e5d65118fbdd7a27636c3f3d6a2875750b847ffb26a103653a7d676fc

    SHA512

    2be3a39030b3a388c01c504909bde64edcbdc618ff070eb4d9778ca72aaec4416f14ab25932df3a9f517f5ad35a404963079ccbc39985de647d2408d113c118d

  • memory/4504-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4504-1-0x0000000002210000-0x000000000246A000-memory.dmp

    Filesize

    2.4MB

  • memory/4504-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/4504-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/4968-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4968-16-0x0000000002120000-0x000000000237A000-memory.dmp

    Filesize

    2.4MB

  • memory/4968-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB