Overview

overview

10

Static

static

21e457408a...c6.exe

windows7_x64

10

21e457408a...c6.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-06-2022 07:06

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General

  • Target

    21e457408a5bff7c49eca1ace5b4837b02981a50b1d869e8ab424f2f16a60bc6.exe

  • Size

    92KB

  • MD5

    6622142194c78b4aeeafeb31e042ab8c

  • SHA1

    c54543813bacf167aa88b5aa81a4b3628c637e49

  • SHA256

    21e457408a5bff7c49eca1ace5b4837b02981a50b1d869e8ab424f2f16a60bc6

  • SHA512

    e0804254b6deb488c037ad22ad93c6d6fecc073ae75e8056aa4fe2e6e57f6b53b634d84ec6e38ca7d15feb20ce2eb41bd01c2681e22dfcac811ffc61b340810d

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\21e457408a5bff7c49eca1ace5b4837b02981a50b1d869e8ab424f2f16a60bc6.exe
    "C:\Users\Admin\AppData\Local\Temp\21e457408a5bff7c49eca1ace5b4837b02981a50b1d869e8ab424f2f16a60bc6.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:3976
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:648
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4556
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4788

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/648-131-0x0000000000000000-mapping.dmp

      Download

    • memory/4556-132-0x0000000000000000-mapping.dmp

      Download

    • memory/4836-130-0x0000000000000000-mapping.dmp

      Download