Overview

overview

10

Static

static

15261902cb...41.exe

windows7_x64

10

15261902cb...41.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    204s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    09-06-2022 08:18

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General

  • Target

    15261902cbeea085d10a5b0a37b11ac259346bf62145095bc9b4427b343a0c41.exe

  • Size

    202KB

  • MD5

    792f3bdd88a09c14d83d1729e1daaaa6

  • SHA1

    3db459771b7b5d89271f2c40946f015a749edcf8

  • SHA256

    15261902cbeea085d10a5b0a37b11ac259346bf62145095bc9b4427b343a0c41

  • SHA512

    d1e0f3f1c4e03c08cf62df380c6aa5be21b6d79cfb1903501aa76d7b54bf34191d4254ac0323291db7afda0c6de9032f8560908fe986f6c26439b168a429d508

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) 11 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15261902cbeea085d10a5b0a37b11ac259346bf62145095bc9b4427b343a0c41.exe
    "C:\Users\Admin\AppData\Local\Temp\15261902cbeea085d10a5b0a37b11ac259346bf62145095bc9b4427b343a0c41.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:1728
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1300
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1484
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1676

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1300-59-0x0000000000000000-mapping.dmp

      Download

    • memory/1304-55-0x0000000000000000-mapping.dmp

      Download

    • memory/1484-60-0x0000000000000000-mapping.dmp

      Download

    • memory/1728-54-0x0000000076461000-0x0000000076463000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1728-56-0x0000000006CAB000-0x0000000006CBE000-memory.dmp

      Filesize

      76KB

      Download

    • memory/1728-57-0x00000000002A0000-0x00000000002B9000-memory.dmp

      Filesize

      100KB

      Download

    • memory/1728-58-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

      Download