Overview

overview

10

Static

static

4dfb0748b8...21.exe

windows7-x64

10

4dfb0748b8...21.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    156s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2022 19:07

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    4dfb0748b865606fdfbcb046eab2514782b58877eb8bce148fa8085df69d3c21.exe

  • Size

    92KB

  • MD5

    0a9a769931b1ecddb4784e319ae58153

  • SHA1

    5d25e90050a7a3c3469596a5d1cc6b3b039fc86d

  • SHA256

    4dfb0748b865606fdfbcb046eab2514782b58877eb8bce148fa8085df69d3c21

  • SHA512

    13faa057946b671a3a8f6c2946a69518bef5da40c687ab93f646cec96dc739b487ee23606c52ca4900108ae5c45fbafe630c2eb6f46ba3f1c366b1122470ab7c

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\4dfb0748b865606fdfbcb046eab2514782b58877eb8bce148fa8085df69d3c21.exe
    "C:\Users\Admin\AppData\Local\Temp\4dfb0748b865606fdfbcb046eab2514782b58877eb8bce148fa8085df69d3c21.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:4396
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3224
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1860
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4448
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3520

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1860-131-0x0000000000000000-mapping.dmp

      Download

    • memory/3224-130-0x0000000000000000-mapping.dmp

      Download

    • memory/4448-132-0x0000000000000000-mapping.dmp

      Download