Analysis

  • max time kernel
    144s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 23:15

General

  • Target

    768fa2837f1f7869fc07c4cbb28cbd20ac368983f5c3c63c19788b071ac51c8d.exe

  • Size

    352KB

  • MD5

    5af42ba72a2d6cff62e3073f5e61b13f

  • SHA1

    56c85cbb2ae189e631a6e4fcffde4e424ecdabcd

  • SHA256

    768fa2837f1f7869fc07c4cbb28cbd20ac368983f5c3c63c19788b071ac51c8d

  • SHA512

    d15f93b2caa785a272c951f8060c8b5cd988a5065b33647c9ebc19c7a7089097ae0e8af7c3e4f9cd57b845b79ec7cb63321c63cd9955fcad3234da863ef74ad1

  • SSDEEP

    6144:2Is9OKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPFsEPAsKCe8i:LKofHfHTXQLzgvnzHPowYbvrjD/L7QPs

Malware Config

Signatures

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\768fa2837f1f7869fc07c4cbb28cbd20ac368983f5c3c63c19788b071ac51c8d.exe
    "C:\Users\Admin\AppData\Local\Temp\768fa2837f1f7869fc07c4cbb28cbd20ac368983f5c3c63c19788b071ac51c8d.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2984
      • 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
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 928
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    6e4c6dc5dab3a35099116d7ae282fa52

    SHA1

    1015347353e678b426c6f05d46caab65dc266eec

    SHA256

    12feb58553c06db0d36ee86a7cdcffe45ecb7ec8ac22a3ba344686b96f4e7dc7

    SHA512

    e3a2e56c2b8d3cba1d7c5678e8f5a1a513099b7f221ff1b0ca4a5f2559d34ee0400748c55f05134b9be68cdc124cdcb6459aaf93c45c9bba62865cd6eab45847

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    eb9307eb0917ef96cdf9231c27c7509d

    SHA1

    044c4e3773087fc90e8e3d6812c4b8e151d702a3

    SHA256

    6ea197fcaf8613800eca6e2f2ae100a41c86fd03bc772dd302c62e24e5df2bff

    SHA512

    73cf67c4ae6022beaf75e8c214573157b765cd011e8a4285b31eba2d9cf75e9cc852cf216d5b9aed3dace865f7c2e909d972c22fb246191136ba2a9e91028073

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    66730e3020373397920eef29d9e2a08c

    SHA1

    27c27affb4404a1b754993ac62017e14dca8804f

    SHA256

    d983c92bf3fc75641f43afd2d2f990069bd4455ef9437f63a87821452d923a06

    SHA512

    b2678f17ad2c7d5b8695de2d89682867ffdc691e1bb0c3a4358992a968e03f02b645310d1dee25a1327880ed898cb706f626e19109587b6a552839dc3c76a964

  • \Windows\SysWOW64\smnss.exe

    Filesize

    352KB

    MD5

    5f477a0fa921eac8dffc4ff43d92d7f4

    SHA1

    b5bb1fcf01e7863a46587a92bf379391fd653005

    SHA256

    c8361c036623b45ef3991cc110f1f70b9eed7601502207dbcb10c0617042df26

    SHA512

    52b40423f3f0edd747a7fc0b9cba2dfeb53981143f8df03565cc29b523d429a33000e4496e7809d16a119d74d180ffc6cc9ad7f7fe08446750d9c2952aed477e

  • memory/2372-24-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2372-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2372-16-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2372-0-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2780-33-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2780-42-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2780-45-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2984-27-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2984-29-0x0000000000320000-0x0000000000380000-memory.dmp

    Filesize

    384KB

  • memory/2984-35-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB