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Analysis

  • max time kernel
    137s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 17:16

General

  • Target

    fcf8352fbe2a50f40f02b0072db2df9b.exe

  • Size

    266KB

  • MD5

    fcf8352fbe2a50f40f02b0072db2df9b

  • SHA1

    6e01f6a2a3522767543009cd54240520d1c2375a

  • SHA256

    f8fad724c55a78e4ab7a9158ce1c50cf5f3b28ff836fd0b16d859e22a607ca1e

  • SHA512

    56c29ba9e2395ead39f44612f139b6b5636039b7733c772c993884b502f929008693498a0a0e68f923fa5971e57a8e67ab7bd56ed058cdf980133c08815e58df

  • SSDEEP

    6144:QYPw/Trd8z1tQXdzelRIdmYdX5d9wwrSPU1aBP37U8QQ:QYPw/9AIdzaRqmeTr3Y37t

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 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\fcf8352fbe2a50f40f02b0072db2df9b.exe
    "C:\Users\Admin\AppData\Local\Temp\fcf8352fbe2a50f40f02b0072db2df9b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\fcf8352fbe2a50f40f02b0072db2df9b.exe
      C:\Users\Admin\AppData\Local\Temp\fcf8352fbe2a50f40f02b0072db2df9b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2032-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2032-21-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2032-34-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2736-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2736-16-0x0000000000260000-0x00000000002E6000-memory.dmp

    Filesize

    536KB

  • memory/2736-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2736-10-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2736-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2736-33-0x0000000000260000-0x00000000002E6000-memory.dmp

    Filesize

    536KB