Analysis

  • max time kernel
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 14:28

General

  • Target

    39d6eb7355a0950ac649948bed261c4c.exe

  • Size

    5.8MB

  • MD5

    39d6eb7355a0950ac649948bed261c4c

  • SHA1

    fd56bf729c00f7e47370401368cfbe31a0d2cfb0

  • SHA256

    123db9df8abd13db179a2f29d407853b98da718437e62ca7080de82fc3b89e4c

  • SHA512

    6fad9066ebf95032b3d5f2dff089d38f341f4e1230b17a9401923a1bd64b001c2798183100bbbc20366c01384610cd970a8636bd50f9d2bc71b584003ca0ae39

  • SSDEEP

    98304:VIPdNjUy4lkYC7gg3gnl/IVUs1jePsB4eMhtsybtgkgg3gnl/IVUs1jePs:VIP7jUy44hgl/iBiPiktsGtgwgl/iBiP

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\39d6eb7355a0950ac649948bed261c4c.exe
    "C:\Users\Admin\AppData\Local\Temp\39d6eb7355a0950ac649948bed261c4c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\39d6eb7355a0950ac649948bed261c4c.exe
      C:\Users\Admin\AppData\Local\Temp\39d6eb7355a0950ac649948bed261c4c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:5000

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\39d6eb7355a0950ac649948bed261c4c.exe

          Filesize

          58KB

          MD5

          1fd505bff004d464fa85e25dd1fabcd9

          SHA1

          ffffe3958fa00c33ac9b1af433f161e4fe2c92a3

          SHA256

          06c8fc1d67b8283f694cac671b6b4addcbeb1b3c751adda5de8ee3e4b6a64e2c

          SHA512

          3f602d9c98089d73944fa60a982b401dc73ca4068d61c2983a719e429c6ebb7219341c03189f449c0e1f8c2f5204e0cb649da6761c827bbb1baaa4c194d93a02

        • memory/5000-14-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/5000-13-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/5000-16-0x0000000001C80000-0x0000000001DB3000-memory.dmp

          Filesize

          1.2MB

        • memory/5000-21-0x0000000000400000-0x000000000061D000-memory.dmp

          Filesize

          2.1MB

        • memory/5000-20-0x0000000005580000-0x00000000057AA000-memory.dmp

          Filesize

          2.2MB

        • memory/5000-28-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/5044-0-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/5044-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

          Filesize

          1.2MB

        • memory/5044-2-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/5044-12-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB