Analysis

  • max time kernel
    151s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 23:41

General

  • Target

    98314be4825f2c7d10644a2cdeccdcd8191690dbfdb514f3f9635ba31a075866.exe

  • Size

    41KB

  • MD5

    79e260a513f98d0e38814275ff375430

  • SHA1

    3b44c85110e60418d903e928142bf9bb30996995

  • SHA256

    98314be4825f2c7d10644a2cdeccdcd8191690dbfdb514f3f9635ba31a075866

  • SHA512

    95a210a5066a190ee4d251b05673918b8c836619f79e41c4c6a7dd228d13e26ede312ec81e5ded549c6e490fcbb5617c6d006d60503f71631fdee14e4d2d6b56

  • SSDEEP

    768:qeMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09sy1+:qq5VwWDjDkdTRqHFOn8tIbbeYiuZIFS2

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 14 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98314be4825f2c7d10644a2cdeccdcd8191690dbfdb514f3f9635ba31a075866.exe
    "C:\Users\Admin\AppData\Local\Temp\98314be4825f2c7d10644a2cdeccdcd8191690dbfdb514f3f9635ba31a075866.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 820
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    5d61738be3682051b12ebab04f22dd1f

    SHA1

    71732aebb8f9e2dc7444e833ea161447b746b4b6

    SHA256

    82f8ea932719e2120798ab38192ac0b6f7e88020c9a8c3c8ea05566b89da162f

    SHA512

    48c925527a3f2aa28d0b8d3f11e38e930bf6e4c71507daf7c2f8bebbad31ed3e1ab89fb82a59048f1a06949bd13615efbc70341d7ccf1b8b220f936b8f0185b9

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    41KB

    MD5

    b40d57bdcbe6c7ee91d8ed76b56a92fa

    SHA1

    46c9e7129a045bce4dbf22f3a19b1fc38d23459f

    SHA256

    b56993c0f5eace9f61ed12d1af74078475a8688ef3ba8129390e68f0845724c8

    SHA512

    e7501bcadf0f0124dea7494866f3d0ac18d81c7cd49d516d519f6c49dfd3087903abb1bfeb8796fc7784477f87a1582f436f60a5306e070f9fb3c0ef812f0d9f

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    f44f221f931e2558535fd4dbc8a49a6d

    SHA1

    bd1b5b9b9d6e0394a678c6bff1a9f5c5f06f79b5

    SHA256

    6a2e928d32f0960c2b05c0e937c23772e1ea6369c021ee02d091f505499d1f74

    SHA512

    64edc91e4afd09717b1bff33e20dee29c5dbc48fd3df18fe83fcf9e87b1b113098aadcc8d7bc511d988322455cabb1ac9e9355e5b5911d87e97d70b846eaed8c

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    255ed633493eaaccf8d70d0a3e52a6ea

    SHA1

    15a654be9cf78d917e96178ea284ecacf1a9d230

    SHA256

    186bd23125b6b76b9b4c4622a248dd618dc026b2b076350afc7fc66f14e340d6

    SHA512

    92b0d236d5d1d9137edd205f69cf821bd73c040ecc3197869993a75a923536aaa57399991e29064c08c8eba23cd2688bbc9800add549dc86d5a435ec81525ec1

  • memory/2540-46-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2540-42-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2540-41-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2540-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2540-35-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2612-18-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2612-31-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2612-32-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2612-24-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2612-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2612-14-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2912-29-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB