Analysis

  • max time kernel
    151s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    29-05-2022 15:42

General

  • Target

    0df5f4794a0c890c3bef265b6c820baed2aced17fbf194149337a23ff1dc10ca.exe

  • Size

    425KB

  • MD5

    a204a6598182464aec31426ef3190cf1

  • SHA1

    5af8a417b66cd5a20ae4c01d648ce5f26a1e9ef1

  • SHA256

    0df5f4794a0c890c3bef265b6c820baed2aced17fbf194149337a23ff1dc10ca

  • SHA512

    0e6e05645cc59f21a6671d401b939f5504038f24c78e2f8a6756e962af791a9e7667828716ec8e52016f131d34e8d075a95cef4a803a8b3b023591d8efbc5bb8

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 12 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0df5f4794a0c890c3bef265b6c820baed2aced17fbf194149337a23ff1dc10ca.exe
    "C:\Users\Admin\AppData\Local\Temp\0df5f4794a0c890c3bef265b6c820baed2aced17fbf194149337a23ff1dc10ca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\0df5f4794a0c890c3bef265b6c820baed2aced17fbf194149337a23ff1dc10ca.exe
      C:\Users\Admin\AppData\Local\Temp\0df5f4794a0c890c3bef265b6c820baed2aced17fbf194149337a23ff1dc10ca.exe
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1280
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:1004
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:268
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:552

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/268-66-0x0000000000000000-mapping.dmp

    • memory/1004-65-0x0000000000000000-mapping.dmp

    • memory/1212-54-0x0000000075761000-0x0000000075763000-memory.dmp

      Filesize

      8KB

    • memory/1212-62-0x00000000003C0000-0x00000000003C7000-memory.dmp

      Filesize

      28KB

    • memory/1280-64-0x0000000000000000-mapping.dmp

    • memory/1680-55-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/1680-60-0x000000000040A9D0-mapping.dmp

    • memory/1680-61-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB