Overview

overview

10

Static

static

653efc3a4d...d2.exe

windows7_x64

10

653efc3a4d...d2.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    182s
  • max time network
    218s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-04-2022 17:56

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General

  • Target

    653efc3a4dec10ffb97b2bcd0b3197731a00b9f412eb0b31506ba27d628f71d2.exe

  • Size

    139KB

  • MD5

    6701c127b786991e4b7da189db851667

  • SHA1

    7db26a3dd0e2d5498f0755fd46e7f04a3f9d758c

  • SHA256

    653efc3a4dec10ffb97b2bcd0b3197731a00b9f412eb0b31506ba27d628f71d2

  • SHA512

    ede5c4e03833d0db7323893e18945deec1d549affc2087940abc223b297204bc5c8e26bfb3cec542836b600f024c3f7fe0898668bb60145caddf215a5ac407e5

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\653efc3a4dec10ffb97b2bcd0b3197731a00b9f412eb0b31506ba27d628f71d2.exe
    "C:\Users\Admin\AppData\Local\Temp\653efc3a4dec10ffb97b2bcd0b3197731a00b9f412eb0b31506ba27d628f71d2.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:4852
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:632
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4680
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4832

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/632-134-0x0000000000000000-mapping.dmp

      Download

    • memory/3376-130-0x0000000000000000-mapping.dmp

      Download

    • memory/4680-135-0x0000000000000000-mapping.dmp

      Download

    • memory/4852-131-0x00000000032E8000-0x00000000032FB000-memory.dmp

      Filesize

      76KB

      Download

    • memory/4852-132-0x0000000003200000-0x0000000003219000-memory.dmp

      Filesize

      100KB

      Download

    • memory/4852-133-0x0000000000400000-0x0000000002FAE000-memory.dmp

      Filesize

      43.7MB

      Download