Analysis

  • max time kernel
    137s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2024, 07:47

General

  • Target

    671397d3d36206c940472b9d43cb863b.exe

  • Size

    5.5MB

  • MD5

    671397d3d36206c940472b9d43cb863b

  • SHA1

    fdf5c1b0fa43e90183165300115ce580a6470ce5

  • SHA256

    5d9f0dde1716680c3fbcefbf82b6087a55f9097812bc6ed9ee1297518c96fb77

  • SHA512

    b4b3188700b6252b34107015ea43e0537839e7d0a24abf3b54730ac6fceffacfcb307f264c6773c1601dacfe969b2053c96cf380dd0d3c7d468b8df19092d799

  • SSDEEP

    49152:lLmiv+mWj5yJQ/ehZcJTxxICNoHAoqSWdsWRShPjHIancdrcJi+1ay3vRmCFOGN:VmFmWEhyIDboPc35mCckFR+vicS43

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\671397d3d36206c940472b9d43cb863b.exe
    "C:\Users\Admin\AppData\Local\Temp\671397d3d36206c940472b9d43cb863b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\671397d3d36206c940472b9d43cb863b.exe
      C:\Users\Admin\AppData\Local\Temp\671397d3d36206c940472b9d43cb863b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\671397d3d36206c940472b9d43cb863b.exe

    Filesize

    824KB

    MD5

    8e40064f7083e44eafe06f0a1b8b31d4

    SHA1

    849ca8309a50b1aaad13f0fa8765c9f848614908

    SHA256

    b884d3520d02d5a87a14ec48c8bf32238f2cc1d1904d9d80b27c5240e3f80cbe

    SHA512

    002df6625d8b3f21f40f39a7f638ce8c8a8a2aceeb965d45a58bc783b260015a59b87466e5fad7e9d69e0e2161683fee195bdea6b4217226d7f877e0cf7dd3ce

  • memory/2336-17-0x00000000022D0000-0x000000000252A000-memory.dmp

    Filesize

    2.4MB

  • memory/2336-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2336-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3052-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3052-1-0x0000000002320000-0x000000000257A000-memory.dmp

    Filesize

    2.4MB

  • memory/3052-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3052-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB