Overview

overview

10

Static

static

4df8063e3d...c5.exe

windows7_x64

10

4df8063e3d...c5.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    178s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-05-2022 14:49

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General

  • Target

    4df8063e3d76a96ddfcd712f6397b430a67bd04a95df2a9ad11964ef212107c5.exe

  • Size

    239KB

  • MD5

    4343e104559b33e4b03d44832e1f8783

  • SHA1

    181a776a55c24b0936e313340a453d9649af9b5a

  • SHA256

    4df8063e3d76a96ddfcd712f6397b430a67bd04a95df2a9ad11964ef212107c5

  • SHA512

    b951d7fd71b23852f2048bebe1c50c4e5cf2de0531357358a60c99ffa3e5e2f619bd72a40c124812a3442f56646ad0b4afbb6081fece2e2dc0d0b4b5c4f18417

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
  • 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\4df8063e3d76a96ddfcd712f6397b430a67bd04a95df2a9ad11964ef212107c5.exe
    "C:\Users\Admin\AppData\Local\Temp\4df8063e3d76a96ddfcd712f6397b430a67bd04a95df2a9ad11964ef212107c5.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:3124
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4104
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:948
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3224

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/948-135-0x0000000000000000-mapping.dmp

      Download

    • memory/3124-130-0x0000000004FB8000-0x0000000004FCB000-memory.dmp

      Filesize

      76KB

      Download

    • memory/3124-132-0x0000000004F10000-0x0000000004F29000-memory.dmp

      Filesize

      100KB

      Download

    • memory/3124-133-0x0000000000400000-0x0000000004DB8000-memory.dmp

      Filesize

      73.7MB

      Download

    • memory/3460-131-0x0000000000000000-mapping.dmp

      Download

    • memory/4104-134-0x0000000000000000-mapping.dmp

      Download