Analysis

  • max time kernel
    160s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 02:02

General

  • Target

    25d4721e9aedc8389130b4000346d22b178721941b96278d117b8fdd9eba6c4d.exe

  • Size

    243KB

  • MD5

    36fa3d05a014af30acc9b92c9c1508eb

  • SHA1

    88a27f1f5de8db247b7ad939b875efa82f9eb5a2

  • SHA256

    25d4721e9aedc8389130b4000346d22b178721941b96278d117b8fdd9eba6c4d

  • SHA512

    3683869e282ad742925bed1e914c4f790a75545297dda10337ea61c03baf2d64d0f38dd3e94dae50d9f80d483cde49def9b23de9604646637d56475cc3c0aa59

  • SSDEEP

    6144:1KiP/aKx5h9H/B+3ChmBV+UdvrEFp7hKKprT:1XP/aKx5vB+yYBjvrEH73T

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 6 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 5 IoCs
  • UPX packed file 10 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25d4721e9aedc8389130b4000346d22b178721941b96278d117b8fdd9eba6c4d.exe
    "C:\Users\Admin\AppData\Local\Temp\25d4721e9aedc8389130b4000346d22b178721941b96278d117b8fdd9eba6c4d.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 348
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 356
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4920
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3580 -ip 3580
    1⤵
    • Loads dropped DLL
    PID:2744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3580 -ip 3580
    1⤵
    • Loads dropped DLL
    PID:3428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/3580-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3580-4-0x0000000000C70000-0x0000000000C99000-memory.dmp

    Filesize

    164KB

  • memory/3580-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3580-8-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3580-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB