Overview

overview

10

Static

static

3

575f502510...b4.exe

windows7-x64

10

575f502510...b4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    166s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 18:21

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4.exe

  • Size

    92KB

  • MD5

    029b9543eedadb6b07be801f6813dbaa

  • SHA1

    f83b6342fb36b3b183aefd7755f29edc45915aa9

  • SHA256

    575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4

  • SHA512

    0a84a5d688a3972150f57093c7acdfb4e2195d56832114d45023b626498966bb2fe813c05de39463db75016bf461017a082ea8a317ada9bcbb2b7f13699ef6de

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A6+bBqsG/HKF5K/bDAWtppZSS:Qw+asqN5aW/hL7A6KjsopZN

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
  • Renames multiple (58) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 4 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
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4.exe
    "C:\Users\Admin\AppData\Local\Temp\575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4.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:1340
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2356
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2100
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1336
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2304

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Resource Development

      Reconnaissance

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-AC130C8C.[offtitan@protonmail.com].bat
        Filesize

        2.9MB

        MD5

        01cf541f9b3512093aeba1f01542fdb8

        SHA1

        8f742eca156b8b61a5c642fa7e77042a3d32e98a

        SHA256

        3c34e9ce6b6d8af791a95cd943a18e1a48d3f61087db9163559cc3bcf3d9437e

        SHA512

        e5eb92618233f5f155794109d99abc47d820e0a8b40318fbc3af82a3d0448f9df7dd2d3b54b5bf405774c991133cecdd7e5b9a41db7bb6836ee5de2cc5ffdd77

        Download Submit