Analysis

  • max time kernel
    106s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 53 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:1356
    • C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
      C:\Users\Admin\AppData\Local\Temp\c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66.exe
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1216
      • 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 SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Windows\SysWOW64\Windefend.exe
          C:\Windows\SysWOW64\Windefend.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:764
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:932
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:932 CREDAT:275457 /prefetch:2
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\8MQ5I8PF.txt

    Filesize

    601B

    MD5

    0122f54fad1b0a57f0c196e84a27eea8

    SHA1

    29ee542ed17063f85c6ee4318a0dff94fbac6271

    SHA256

    8f36553d3916ed34da239bdd38c5d12118ed1a3e3c5c2d3d0aa9aa0887bad95f

    SHA512

    32430162a4c73852dfd8cc5857b44209004d342e73d974f488f751d085f823ba271634cf06ee4ffbe2ba6e285bf64775c2a2c1162810b68d96c95586cac1d05e

  • 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

  • C:\Windows\SysWOW64\Windefend.exe

    Filesize

    271KB

    MD5

    1514152688866b1eae165bfebf7b408e

    SHA1

    316f8aba4dc64b464efe441c499563f8d02b883a

    SHA256

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66

    SHA512

    fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37

  • \Users\Admin\AppData\Local\Temp\aqkA101.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • \Users\Admin\AppData\Local\Temp\drkAD22.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • \Windows\SysWOW64\Windefend.exe

    Filesize

    271KB

    MD5

    1514152688866b1eae165bfebf7b408e

    SHA1

    316f8aba4dc64b464efe441c499563f8d02b883a

    SHA256

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66

    SHA512

    fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37

  • \Windows\SysWOW64\Windefend.exe

    Filesize

    271KB

    MD5

    1514152688866b1eae165bfebf7b408e

    SHA1

    316f8aba4dc64b464efe441c499563f8d02b883a

    SHA256

    c2f5f6e4f149f5830f2db60f807b6b5c7d5cc48c0e5df861f17f42bd0454ce66

    SHA512

    fe8ea1f25eae37d8bef309253930fa3c4f1fcb4ae0eb09bf0d59ebe8ee40d544ff7eb020a13e550b510a86897dd466296d3471ee599057d49fad443aa68cba37

  • memory/680-78-0x0000000000220000-0x0000000000293000-memory.dmp

    Filesize

    460KB

  • memory/680-90-0x0000000000220000-0x0000000000293000-memory.dmp

    Filesize

    460KB

  • memory/680-88-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/680-77-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/680-72-0x0000000000000000-mapping.dmp

  • memory/764-93-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/764-86-0x000000000040B42C-mapping.dmp

  • memory/1216-62-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-61-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-59-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-76-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-58-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-64-0x000000000040B42C-mapping.dmp

  • memory/1216-69-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1216-63-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1356-65-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1356-55-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1356-57-0x0000000075091000-0x0000000075093000-memory.dmp

    Filesize

    8KB

  • memory/1356-67-0x0000000000300000-0x0000000000373000-memory.dmp

    Filesize

    460KB

  • memory/1356-56-0x0000000000300000-0x0000000000373000-memory.dmp

    Filesize

    460KB