Overview

overview

10

Static

static

3df5b9962f...e6.exe

windows7_x64

10

3df5b9962f...e6.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    163s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    29-03-2022 23:07

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General

  • Target

    3df5b9962ff9ccff2797236e073991cdf9a6b04dfaad28a908d5dcd17afa21e6.exe

  • Size

    539KB

  • MD5

    29977a4237c7d10a0f09adb24540609c

  • SHA1

    330e45a0e9b32bad06831963bd46579458a5ec8d

  • SHA256

    3df5b9962ff9ccff2797236e073991cdf9a6b04dfaad28a908d5dcd17afa21e6

  • SHA512

    cd2c9b99c96be0e364a055343440618641aafa2cfedc6eef287ebeba3f204c9cf1d043643bbdd316f6c5b3e29de75189b4731e01d7719823d63e3bc0e666e48e

Score
10/10
dharmapersistenceransomware

Malware Config

Signatures

  • Dharma

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

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3df5b9962ff9ccff2797236e073991cdf9a6b04dfaad28a908d5dcd17afa21e6.exe
    "C:\Users\Admin\AppData\Local\Temp\3df5b9962ff9ccff2797236e073991cdf9a6b04dfaad28a908d5dcd17afa21e6.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:444
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1460
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1492
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1216

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/444-124-0x0000000000400000-0x000000000048D000-memory.dmp

      Filesize

      564KB

      Download

    • memory/444-125-0x0000000002820000-0x0000000002DB0000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/1460-127-0x0000000000000000-mapping.dmp

      Download

    • memory/1492-128-0x0000000000000000-mapping.dmp

      Download

    • memory/4756-126-0x0000000000000000-mapping.dmp

      Download