Analysis

  • max time kernel
    150s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 13:39

General

  • Target

    ba3517dc8d3a1f75bb6b0a64805deabd254ca7656d5ce43792d8e4a706d7ae81.exe

  • Size

    210KB

  • MD5

    b5747ecf23afe514a9b1e1723d653863

  • SHA1

    a1fb1c133f4734a3d2c3da4ec2e095aab76c451b

  • SHA256

    ba3517dc8d3a1f75bb6b0a64805deabd254ca7656d5ce43792d8e4a706d7ae81

  • SHA512

    ba64bcbfcdd0b64f0bbb6d8385484dd81517a0d0f663f6e7bca87b7980c74ba4759cf4b75d2bb0c09d62fe6e4414ea38264b69816412c6dfab9f27122a35c59c

  • SSDEEP

    6144:YhrSF7WWSioxgzkfguZU4blKJgdHch2K+yRfZV:WrkWWLoxgz3uSomgR47+eX

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba3517dc8d3a1f75bb6b0a64805deabd254ca7656d5ce43792d8e4a706d7ae81.exe
    "C:\Users\Admin\AppData\Local\Temp\ba3517dc8d3a1f75bb6b0a64805deabd254ca7656d5ce43792d8e4a706d7ae81.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\sshnas21.dll

    Filesize

    171KB

    MD5

    a35d106a091e53ab441ec68acff9a10a

    SHA1

    22a3c1569c2cd3f74b2d4ed075a0ca09cdb2616a

    SHA256

    62e25c334f4a72a3ebacc8b3acab9af1e64c95425cdd2694ba4291c8933340b6

    SHA512

    b106e518765c1c92db9bc12b7dc8f1bfb653d71830f5c552381baec65f020a47dd45e8479c9071f8f6fc8c65fdbe213f6ad84fdf2ae8c755808342fe9740a8b6

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    171KB

    MD5

    a35d106a091e53ab441ec68acff9a10a

    SHA1

    22a3c1569c2cd3f74b2d4ed075a0ca09cdb2616a

    SHA256

    62e25c334f4a72a3ebacc8b3acab9af1e64c95425cdd2694ba4291c8933340b6

    SHA512

    b106e518765c1c92db9bc12b7dc8f1bfb653d71830f5c552381baec65f020a47dd45e8479c9071f8f6fc8c65fdbe213f6ad84fdf2ae8c755808342fe9740a8b6

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    171KB

    MD5

    a35d106a091e53ab441ec68acff9a10a

    SHA1

    22a3c1569c2cd3f74b2d4ed075a0ca09cdb2616a

    SHA256

    62e25c334f4a72a3ebacc8b3acab9af1e64c95425cdd2694ba4291c8933340b6

    SHA512

    b106e518765c1c92db9bc12b7dc8f1bfb653d71830f5c552381baec65f020a47dd45e8479c9071f8f6fc8c65fdbe213f6ad84fdf2ae8c755808342fe9740a8b6

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    171KB

    MD5

    a35d106a091e53ab441ec68acff9a10a

    SHA1

    22a3c1569c2cd3f74b2d4ed075a0ca09cdb2616a

    SHA256

    62e25c334f4a72a3ebacc8b3acab9af1e64c95425cdd2694ba4291c8933340b6

    SHA512

    b106e518765c1c92db9bc12b7dc8f1bfb653d71830f5c552381baec65f020a47dd45e8479c9071f8f6fc8c65fdbe213f6ad84fdf2ae8c755808342fe9740a8b6

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    171KB

    MD5

    a35d106a091e53ab441ec68acff9a10a

    SHA1

    22a3c1569c2cd3f74b2d4ed075a0ca09cdb2616a

    SHA256

    62e25c334f4a72a3ebacc8b3acab9af1e64c95425cdd2694ba4291c8933340b6

    SHA512

    b106e518765c1c92db9bc12b7dc8f1bfb653d71830f5c552381baec65f020a47dd45e8479c9071f8f6fc8c65fdbe213f6ad84fdf2ae8c755808342fe9740a8b6

  • \Windows\SysWOW64\sshnas21.dll

    Filesize

    171KB

    MD5

    a35d106a091e53ab441ec68acff9a10a

    SHA1

    22a3c1569c2cd3f74b2d4ed075a0ca09cdb2616a

    SHA256

    62e25c334f4a72a3ebacc8b3acab9af1e64c95425cdd2694ba4291c8933340b6

    SHA512

    b106e518765c1c92db9bc12b7dc8f1bfb653d71830f5c552381baec65f020a47dd45e8479c9071f8f6fc8c65fdbe213f6ad84fdf2ae8c755808342fe9740a8b6

  • memory/944-66-0x0000000010000000-0x0000000010058000-memory.dmp

    Filesize

    352KB

  • memory/944-67-0x0000000010000000-0x0000000010058000-memory.dmp

    Filesize

    352KB

  • memory/1768-58-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1768-60-0x00000000002E0000-0x00000000002F9000-memory.dmp

    Filesize

    100KB

  • memory/1768-57-0x0000000000250000-0x0000000000270000-memory.dmp

    Filesize

    128KB

  • memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp

    Filesize

    8KB