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Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 03:51

General

  • Target

    ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe

  • Size

    75KB

  • MD5

    1fe48d9f38359fd9789c9ce33e04527f

  • SHA1

    0e66ee220a59c21777879c6f6142cd42dbb0f607

  • SHA256

    ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164

  • SHA512

    960c0a4e72e16ec4cbbb6a160f733b3d77c2365174736d86521181052ca85eb0dd4ec040eb3c9de5ef9aabe3d2e311be2f3ea6ea4371730fe8a5369b720d2e56

  • SSDEEP

    1536:1x1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3B:fOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPp

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.exe
    "C:\Users\Admin\AppData\Local\Temp\ce74cee8c8e1e1b47747018d918d6eb055292e1b7a6bbaa1e3523620e70af164.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:2220
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2604
      • 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
        PID:2340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 736
          4⤵
          • Program crash
          PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    954037ec9966dbd19b983d192625bb9c

    SHA1

    dafc65e3364eb9177f60af1b5494125b38a41081

    SHA256

    80b55b668ad66b5e57245a26b7e1d7b5562e1a10c341b2690e56e5886a66c177

    SHA512

    d83b736e3df5e3a1aad9b018a1a5e0c79735ecd5d26465fb13d9fbb4bf4a785d9999e24b6bfb2b94ca54589185d06e56363df5e02920eaa506c3baaba3f1d0d6

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    6397803e5609969dd58ac37f6035af5f

    SHA1

    cc1970702e0d45c5331b7da8a4210e702b922fa3

    SHA256

    cc6118cc55b9ee09df1473a2e087ccf296b2e570ae5f5439acd225d671613181

    SHA512

    6f5f703d8651090cd251349114c6e6ac231edd36ebcd4a8a77847cbe6ebbed831c8ed76aaadc9831203aa9e0c088aa7b0e1928b3e2995314bc82d9609e965326

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    5968826850a45a40ad4cb66efae78727

    SHA1

    2b0ac8de4a97617d3249e980a6ff82c44c5dfdb3

    SHA256

    a376b26e1d7a7d06665cc0a6635e64ebb7aa6c4d9f889e172c1c734b5fc8447a

    SHA512

    4c9bad3ba5a819e3f222437eb02a920f8ae7cfe173c82c796dbd647cc49de0efdaf8b21542a9a0d16fc8aedfa877cb02642aeb8914c28eccffa876475f3d9c03

  • \Windows\SysWOW64\smnss.exe

    Filesize

    75KB

    MD5

    083a003875dfbe9fb60f42f3aff17bf8

    SHA1

    03e936951fb4b8c4fa10b246387fef661fa6b297

    SHA256

    b2731a3536a078e916906df33a621df17c2b50500d4046ab50e809cc63d1b98a

    SHA512

    0ff9458c44f1301eeea9c3fca8ff53955ed468f0423df2a936410703352ad1802269071e196d433c4dfb49549636dde2d67550ca44e273a22e2c897bdbfafde1

  • memory/2220-15-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2220-17-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2220-26-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2220-24-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2340-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2340-40-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2604-29-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB