Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 16:02

General

  • Target

    00c038105699a4b68a3cd9c03b90999980d9b37d7be28373b6ca88716731c922.dll

  • Size

    958KB

  • MD5

    23eeb53d58f60b48928bf32a723b6166

  • SHA1

    c2abfde01c52ffed7693d00980238ac5b69cd889

  • SHA256

    00c038105699a4b68a3cd9c03b90999980d9b37d7be28373b6ca88716731c922

  • SHA512

    c32adc9b5700a8e686c6f25b211fdce2a1e5772f312ecca867dc507657050d1c17c730464505f36198d0ebf5b6d5b3c3a345ab70fc24b2e0f9fd99f9ccd71bfd

  • SSDEEP

    24576:Inl6ZxpTPm5YRvb24THcZcS3CkKGrvrEH7nI:r24T8Z+YrB

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\00c038105699a4b68a3cd9c03b90999980d9b37d7be28373b6ca88716731c922.dll,#1
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2916
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\00c038105699a4b68a3cd9c03b90999980d9b37d7be28373b6ca88716731c922.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2696

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2916-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2916-4-0x0000000074E50000-0x0000000074F2D000-memory.dmp

    Filesize

    884KB

  • memory/2916-6-0x0000000074E50000-0x0000000074F2D000-memory.dmp

    Filesize

    884KB

  • memory/2916-8-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB