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Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 08:11

General

  • Target

    0ef6c40c1a9b7972cd632467d993a91bcabadcc5e0dc625b9f745e3f1a565201.dll

  • Size

    219KB

  • MD5

    4a79fc9416269b4f193bdf7229a46b3f

  • SHA1

    6c5cb8d7f5eddfe0cb71c2aa38df9bbf602e0c63

  • SHA256

    0ef6c40c1a9b7972cd632467d993a91bcabadcc5e0dc625b9f745e3f1a565201

  • SHA512

    4aab11fd506261d132afcf165b706162b9dfad0e18d326136f232ede2509a1a0fdad320f66ca4cef962ca1e4d724d6cb4b3570f602c5c3d27d90d6e709fb8a5c

  • SSDEEP

    6144:2C4zkyByodbSJ0l02WCL9BV+UdvrEFp7hKum:2C4tDdbSJ0CCL9BjvrEH7I

Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0ef6c40c1a9b7972cd632467d993a91bcabadcc5e0dc625b9f745e3f1a565201.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0ef6c40c1a9b7972cd632467d993a91bcabadcc5e0dc625b9f745e3f1a565201.dll
      2⤵
      • Loads dropped DLL
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3056

Network

MITRE ATT&CK Enterprise v15

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/3056-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3056-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB