Overview

overview

10

Static

static

f4b60e17e8...43.exe

windows7-x64

10

f4b60e17e8...43.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    156s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 05:23

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General

  • Target

    f4b60e17e83f037c811ee111e21964cd772a817186324987fe5033420233ec43.exe

  • Size

    218KB

  • MD5

    9b20e48b731d1a78ffce07e1b4dfb7c0

  • SHA1

    031e4932fc6da1cabde7735280b09b897719ba29

  • SHA256

    f4b60e17e83f037c811ee111e21964cd772a817186324987fe5033420233ec43

  • SHA512

    e59ecaf97a277aa46af7f027a5f9806b2c42a8b9555eb2db1475c25bccc50fb46621727ee2ba98590da3c2cff424557e0dd0803551a6dc8a399470cae5b56b8c

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) 12 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\f4b60e17e83f037c811ee111e21964cd772a817186324987fe5033420233ec43.exe
    "C:\Users\Admin\AppData\Local\Temp\f4b60e17e83f037c811ee111e21964cd772a817186324987fe5033420233ec43.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:1656
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1664
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:380
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1732

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/380-60-0x0000000000000000-mapping.dmp

      Download

    • memory/1656-54-0x0000000004F8B000-0x0000000004F9E000-memory.dmp

      Filesize

      76KB

      Download

    • memory/1656-55-0x0000000000220000-0x0000000000239000-memory.dmp

      Filesize

      100KB

      Download

    • memory/1656-56-0x0000000075CD1000-0x0000000075CD3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1656-58-0x0000000000400000-0x0000000004E92000-memory.dmp

      Filesize

      74.6MB

      Download

    • memory/1656-62-0x0000000000220000-0x0000000000239000-memory.dmp

      Filesize

      100KB

      Download

    • memory/1656-61-0x0000000004F8B000-0x0000000004F9E000-memory.dmp

      Filesize

      76KB

      Download

    • memory/1664-59-0x0000000000000000-mapping.dmp

      Download

    • memory/1956-57-0x0000000000000000-mapping.dmp

      Download