Analysis

  • max time kernel
    153s
  • max time network
    76s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    30-03-2022 01:16

General

  • Target

    2d54f796864517f52a8672ce374242bbf294e56bda750f62a0690ca3a51e9af4.exe

  • Size

    191KB

  • MD5

    87dd5d67467d6896228c4e749ffb8fa3

  • SHA1

    72fff32cad026acd5a95ce34e2022098e27ad63c

  • SHA256

    2d54f796864517f52a8672ce374242bbf294e56bda750f62a0690ca3a51e9af4

  • SHA512

    e193f12be9d142ce944f71817bf483ff5a13eb588cecb0188f6c15ca06edc409d27d4a51bb2452d738fbc37e667acace3249a5072b1f1e919f9b58b931147fd6

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) 3 IoCs
  • Drops file in System32 directory 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d54f796864517f52a8672ce374242bbf294e56bda750f62a0690ca3a51e9af4.exe
    "C:\Users\Admin\AppData\Local\Temp\2d54f796864517f52a8672ce374242bbf294e56bda750f62a0690ca3a51e9af4.exe"
    1⤵
    • 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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4292
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2352
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3472

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2352-128-0x0000000000000000-mapping.dmp

    • memory/4292-129-0x0000000000000000-mapping.dmp

    • memory/4524-124-0x000000000317D000-0x0000000003190000-memory.dmp

      Filesize

      76KB

    • memory/4524-125-0x000000000317D000-0x0000000003190000-memory.dmp

      Filesize

      76KB

    • memory/4524-126-0x0000000003030000-0x0000000003049000-memory.dmp

      Filesize

      100KB

    • memory/4524-130-0x0000000000400000-0x0000000002FBC000-memory.dmp

      Filesize

      43.7MB

    • memory/4848-127-0x0000000000000000-mapping.dmp