Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 15:38

General

  • Target

    dbef98d9e25f35935fc7568c9bfb66fc.exe

  • Size

    84KB

  • MD5

    dbef98d9e25f35935fc7568c9bfb66fc

  • SHA1

    04356714f37f3249231ee2bee7e8f0f0ad51868a

  • SHA256

    d085472f22677ffa702c0f4c0e1b90712d0fe266ba9d26de44b02273768e94b1

  • SHA512

    c042c1fcbddb5dd0513623d7f86ec83ea78ee4f959197466860f7ec88e9ba7f00d39efcdf09efbc6eff41ee0d04ca34baf6bdcaba5f5e54219f8888c5865eb4c

  • SSDEEP

    1536:AXVyiy/GZN5pBVqR/9eZZFnBTtTJQ1ExgSdh5zlVh7NipVVYRpTlOVSvEHFNFVzI:GV2diQVM9TIPT96q

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe
    "C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe
      "C:\Users\Admin\AppData\Local\Temp\dbef98d9e25f35935fc7568c9bfb66fc.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QDBPX.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinRAR" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\log\log.exe" /f
          4⤵
          • Adds Run key to start application
          PID:2764
      • C:\Users\Admin\AppData\Roaming\log\log.exe
        "C:\Users\Admin\AppData\Roaming\log\log.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Users\Admin\AppData\Roaming\log\log.exe
          "C:\Users\Admin\AppData\Roaming\log\log.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1020
        • C:\Users\Admin\AppData\Roaming\log\log.exe
          "C:\Users\Admin\AppData\Roaming\log\log.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Users\Admin\AppData\Roaming\log\log.exe
            "C:\Users\Admin\AppData\Roaming\log\log.exe"
            5⤵
            • Executes dropped EXE
            • Modifies system certificate store
            PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabDDB4.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\QDBPX.bat

    Filesize

    135B

    MD5

    0b6ffb040995a997bb860390dd143b64

    SHA1

    7fb78a49e5de643b69431b2fe68077fc9827e3b3

    SHA256

    19420c60878305768f3c509df2add0666857804a0f053b5b6b9bfed60cdd68b8

    SHA512

    47663db9555d957f22648c974b4ea4d9dbd522c74313ad2ded2bcd3a97afe4e29068a27a4264317411b0166f6132781d042e7a641b1f32b5986d2979220a7875

  • C:\Users\Admin\AppData\Local\Temp\TarDE05.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Roaming\log\log.exe

    Filesize

    84KB

    MD5

    2b18e61f9453dae4596a06a8345bdefa

    SHA1

    79cb55ae32b56802e46c297c4d8f133bd8b6e5de

    SHA256

    69ac413091ad2fdc7db4edfc9160dad635596a4e31ec5dcd258e132a9e116cd8

    SHA512

    ac096e41597f8545395105bf402d7d8293320cbfd6c794303c2c3d6eeeefb6a480fc8b80e2b43122cc9f293370e7c0803d023deb150ae0063d27e9628d7d0bcc

  • memory/1020-928-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1020-1245-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1956-167-0x0000000002650000-0x0000000002651000-memory.dmp

    Filesize

    4KB

  • memory/1956-2-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2168-437-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2168-443-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2168-925-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2168-1070-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2352-1062-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2352-1085-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2352-1066-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2796-1083-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2796-1243-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB