Analysis

  • max time kernel
    146s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:42

General

  • Target

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe

  • Size

    271KB

  • MD5

    1514152688866b1eae165bfebf7b408e

  • SHA1

    316f8aba4dc64b464efe441c499563f8d02b883a

  • SHA256

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66

  • SHA512

    fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37

  • SSDEEP

    6144:WHJ6wjeVXWsGelxHfbL+CXXcl+cB4+MbscpPiQCmXA:WDjeVr1D6jRtTmw

Score
9/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 4 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
    "C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4516
    • C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
      C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
      2⤵
      • Checks computer location settings
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Windows\SysWOW64\Windefend.exe
        "C:\Windows\system32\Windefend.exe" rem "C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:1836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\igi3F56.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\igi3F56.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\joi9261.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\joi9261.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\SysWOW64\Windefend.exe

    Filesize

    271KB

    MD5

    1514152688866b1eae165bfebf7b408e

    SHA1

    316f8aba4dc64b464efe441c499563f8d02b883a

    SHA256

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66

    SHA512

    fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37

  • C:\Windows\SysWOW64\Windefend.exe

    Filesize

    271KB

    MD5

    1514152688866b1eae165bfebf7b408e

    SHA1

    316f8aba4dc64b464efe441c499563f8d02b883a

    SHA256

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66

    SHA512

    fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37

  • memory/1836-146-0x0000000000000000-mapping.dmp

  • memory/1836-152-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1836-151-0x0000000002070000-0x00000000020E3000-memory.dmp

    Filesize

    460KB

  • memory/4516-137-0x0000000002160000-0x00000000021D3000-memory.dmp

    Filesize

    460KB

  • memory/4516-143-0x0000000002160000-0x00000000021D3000-memory.dmp

    Filesize

    460KB

  • memory/4516-142-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/4516-138-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/4516-132-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/4516-136-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/4516-135-0x0000000002160000-0x00000000021D3000-memory.dmp

    Filesize

    460KB

  • memory/4784-144-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4784-145-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4784-140-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4784-139-0x0000000000000000-mapping.dmp