Analysis

  • max time kernel
    54s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11/05/2022, 14:29

General

  • Target
    3f7dab7cdfdb383c4d7b5f950e1336eb41e3288c958ba4936419d41a40bbd31c.exe
  • Size 4.4MB
  • Sample220511-rtspeacfgl
  • SHA256 3f7dab7cdfdb383c4d7b5f950e1336eb41e3288c958ba4936419d41a40bbd31c
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 49 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f7dab7cdfdb383c4d7b5f950e1336eb41e3288c958ba4936419d41a40bbd31c.exe
    "C:\Users\Admin\AppData\Local\Temp\3f7dab7cdfdb383c4d7b5f950e1336eb41e3288c958ba4936419d41a40bbd31c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows\control\start.vbs"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Users\Admin\AppData\Roaming\Windows\control\run.exe
        "C:\Users\Admin\AppData\Roaming\Windows\control\run.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c if not exist "C:\Users\Admin\AppData\Local\Temp\afolder" mkdir "C:\Users\Admin\AppData\Local\Temp\afolder"
          4⤵
            PID:276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c if not exist "C:\Users\Admin\AppData\Local\Temp\ytmp" mkdir "C:\Users\Admin\AppData\Local\Temp\ytmp"
            4⤵
              PID:1724
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c attrib +h C:\Users\Admin\AppData\Local\Temp\ytmp
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1076
              • C:\Windows\SysWOW64\attrib.exe
                attrib +h C:\Users\Admin\AppData\Local\Temp\ytmp
                5⤵
                • Views/modifies file attributes
                PID:1164
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c cls
              4⤵
                PID:280

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              run.exe

              • Path C:\Users\Admin\AppData\Roaming\Windows\control\run.exe
              • Size 96KB
              • SHA256 4ae925d4b3bb61c460e8a91174e5d3a0e24df5c7d660ed63bce3272c91359ba4
              • MD5 SHA1 SHA512 SSDEEP

              run.exe

              • Path C:\Users\Admin\AppData\Roaming\Windows\control\run.exe
              • Size 96KB
              • SHA256 4ae925d4b3bb61c460e8a91174e5d3a0e24df5c7d660ed63bce3272c91359ba4
              • MD5 SHA1 SHA512 SSDEEP

              start.vbs

              • Path C:\Users\Admin\AppData\Roaming\Windows\control\start.vbs
              • Size 113B
              • SHA256 427b7d229ae6a8717edb0e5cc156c2025d0d737400d6a22d5de9d4504b7b3185
              • MD5 SHA1 SHA512

              run.exe

              • Path \Users\Admin\AppData\Roaming\Windows\control\run.exe
              • Size 96KB
              • SHA256 4ae925d4b3bb61c460e8a91174e5d3a0e24df5c7d660ed63bce3272c91359ba4
              • MD5 SHA1 SHA512 SSDEEP

              run.exe

              • Path \Users\Admin\AppData\Roaming\Windows\control\run.exe
              • Size 96KB
              • SHA256 4ae925d4b3bb61c460e8a91174e5d3a0e24df5c7d660ed63bce3272c91359ba4
              • MD5 SHA1 SHA512 SSDEEP

              memory/1880-54-0x00000000758D1000-0x00000000758D3000-memory.dmp