Analysis

  • max time kernel
    140s
  • max time network
    149s
  • 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, 16:55

General

  • Target

    f9a0aef23e5614d1ca6fab9dca920f76.exe

  • Size

    2.9MB

  • MD5

    f9a0aef23e5614d1ca6fab9dca920f76

  • SHA1

    c7f8316d870f3f071ed3a7c3cac365fa1feaf24e

  • SHA256

    4e362f672bf9e0cd9a7310db8e782e41481d85af7e1584ede9ed8bcd2202ac14

  • SHA512

    dc29a2d573a4ce5dbc211567e9b43bb52993bc286ffee551b280bcd6d9a48b80c3807ae25bf3a55ad34c9621410f40a33100e6a94c8b54af69415ecf0c128d23

  • SSDEEP

    49152:u0UW6r6EEBpm62YOpFdzzk/6l+pFZesReo/xEcOvlzBfeL/O/LcaL/yVE:u0UbGEpY4FVzk/6l+pFZfN/xevdB+OIG

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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9a0aef23e5614d1ca6fab9dca920f76.exe
    "C:\Users\Admin\AppData\Local\Temp\f9a0aef23e5614d1ca6fab9dca920f76.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\f9a0aef23e5614d1ca6fab9dca920f76.exe
      C:\Users\Admin\AppData\Local\Temp\f9a0aef23e5614d1ca6fab9dca920f76.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:3804

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\f9a0aef23e5614d1ca6fab9dca920f76.exe

    Filesize

    335KB

    MD5

    738ab79f281666d40d6c8a5f306e8b05

    SHA1

    cd365de695ccc1967342e465b51c990fe89d550c

    SHA256

    79c7f9e5120c092df39fd9612f18c025fea6d126e82611c25706def9c82e2781

    SHA512

    d09a2060fe7e7dd4f5ee8ee5e8d95f009d9cf130ab84f4c02e130951fc8e50d2dd7679f3865d7be0d7efb3047b6b046eba1f52498a67729bd32e529b76774679

  • memory/1876-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1876-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

    Filesize

    1.2MB

  • memory/1876-2-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1876-12-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/3804-13-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/3804-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/3804-15-0x0000000001DE0000-0x0000000001F13000-memory.dmp

    Filesize

    1.2MB

  • memory/3804-21-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/3804-20-0x00000000056E0000-0x000000000590A000-memory.dmp

    Filesize

    2.2MB

  • memory/3804-27-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB