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Analysis

  • max time kernel
    140s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2024, 19:22

General

  • Target

    a9f6f05d592678d6495565868b138970.exe

  • Size

    2.6MB

  • MD5

    a9f6f05d592678d6495565868b138970

  • SHA1

    6d7b153f72fdebd4bdb88021c77a2dcff9aed3ca

  • SHA256

    55efb1b5f78024b4f2fbe3dc3825d057ac9afadc4a7fc9dcc324cd122a1433e6

  • SHA512

    6d058c26a5e1f618b1cd99a7c20d0c46a914d820bc01956cab04c0975a9d1bad3487ad1c279c2cd9acc988f5a98762acd678400febaa2705f155e507ceac6c63

  • SSDEEP

    49152:TQIodCDTXgcs2a/bbuPcRvr+Z9Av2WSLJ+5aATay3:lqMwx3uKd3

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\a9f6f05d592678d6495565868b138970.exe
    "C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe
      C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe

    Filesize

    2.6MB

    MD5

    81574d7e7dba08697fbbebf8a77a83a2

    SHA1

    16c21e46ac522e303bb8fb15b385c1c87d6e2b4b

    SHA256

    c16a170b35180d5ecb9729ee39fc8039821f234ccaa26a8c034ee933042e48fb

    SHA512

    106dee229ffae2a50ebec7dad57bf59c31306ab3cc7da0b8086a704680dac45967a613bfe4fa239eaa6870a3a8e3e5367ddc330aab5f8a9c38c46e012bf3bcd6

  • memory/1768-19-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1768-21-0x0000000002260000-0x00000000024BA000-memory.dmp

    Filesize

    2.4MB

  • memory/1768-43-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2412-1-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2412-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2412-2-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/2412-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2412-16-0x00000000038A0000-0x000000000423E000-memory.dmp

    Filesize

    9.6MB

  • memory/2412-42-0x00000000038A0000-0x000000000423E000-memory.dmp

    Filesize

    9.6MB