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Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 13:38

General

  • Target

    a86db612a10a29e16886ef7e899f1224.exe

  • Size

    133KB

  • MD5

    a86db612a10a29e16886ef7e899f1224

  • SHA1

    fc9141c313084cb0d53a1ca8c971837eedabb056

  • SHA256

    7166c49b997ef274916f85e66b2d7cf0756d2ee2177f788447cc58c293578c2d

  • SHA512

    78bcfa9be30d774b37018ecb3e1f0edf76347b80be1244ba2afb6c4f3bc13e7e6762c24d6830e1b880b3688aa4018cc2f481c60c99bf58f76d5b8d128c43addc

  • SSDEEP

    3072:B5fLX/pFWVR72vkdE06I4IjBI3vDgvswrExSSRn4okw07h+iZ5G6sQ:B5bp4vdkQIrgOc8n4rwVizoQ

Score
7/10
upx

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a86db612a10a29e16886ef7e899f1224.exe
    "C:\Users\Admin\AppData\Local\Temp\a86db612a10a29e16886ef7e899f1224.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\a86db612a10a29e16886ef7e899f1224.exe
      C:\Users\Admin\AppData\Local\Temp\a86db612a10a29e16886ef7e899f1224.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\a86db612a10a29e16886ef7e899f1224.exe

    Filesize

    133KB

    MD5

    77defbd82a93d50dd4ca5f3918373756

    SHA1

    71dcf754c7209230ca246fbe64362e2c5837027f

    SHA256

    fdc4c44f10a0532089e022864f5ad3f32c94dcf345f9211f9a606c512235b0f6

    SHA512

    96753da7ddc453b14314e7ce710892c02b2dd69b310c2678897859a9979ce28a8d31a24edd6d340e36646b08faff3eb69cad9718d45f259b14b8f92e28439106

  • memory/2908-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2908-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2908-1-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2908-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3032-16-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/3032-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3032-33-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB