Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15-04-2022 06:49

General

  • Target

    ffe6e42c82d8c30623ab735ece82b059c8f1da4fd137f248685adc016041c1b6.exe

  • Size

    141KB

  • MD5

    df4dcbc3624d01093ecf5b7cda186d61

  • SHA1

    8d3647b0a618da55dfbc2d1164d049c5c5f034ae

  • SHA256

    ffe6e42c82d8c30623ab735ece82b059c8f1da4fd137f248685adc016041c1b6

  • SHA512

    5951787e108cd46a06cb86ef289b0068e815d4015afa1fe2f213904dcb857264c3608ab45501d9281a078f2c2629f3ab7023421fc36c9977fd88ef3771396301

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.

  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 4 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) 64 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\ffe6e42c82d8c30623ab735ece82b059c8f1da4fd137f248685adc016041c1b6.exe
    "C:\Users\Admin\AppData\Local\Temp\ffe6e42c82d8c30623ab735ece82b059c8f1da4fd137f248685adc016041c1b6.exe"
    1⤵
    • Modifies extensions of user files
    • 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:3380
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4152
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1404
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4640

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1404-135-0x0000000000000000-mapping.dmp

    • memory/3032-131-0x0000000000000000-mapping.dmp

    • memory/3380-130-0x0000000003269000-0x000000000327C000-memory.dmp

      Filesize

      76KB

    • memory/3380-133-0x0000000004CF0000-0x0000000004D09000-memory.dmp

      Filesize

      100KB

    • memory/3380-132-0x0000000003269000-0x000000000327C000-memory.dmp

      Filesize

      76KB

    • memory/3380-136-0x0000000000400000-0x0000000002FAE000-memory.dmp

      Filesize

      43.7MB

    • memory/4152-134-0x0000000000000000-mapping.dmp