Overview

overview

10

Static

static

3

2210baa7b5...3d.exe

windows7-x64

10

2210baa7b5...3d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    155s
  • max time network
    148s
  • 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 17:21

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General

  • Target

    2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d.exe

  • Size

    92KB

  • MD5

    32e3001eb783b182de6b45e5f729d3ba

  • SHA1

    896a8963fb57c10d30c05b56465401babe48ff0b

  • SHA256

    2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d

  • SHA512

    27572a35b5f21e5217012b93ebe03e59d5dfeea6bd2446316d2e74230b961e6378ae700cd4d78b0033e516adc9f494e8520c01170f74a401204cc84337a92e65

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4Ax5ALyqEIxS6CRxVcFuVWZp17i:Qw+asqN5aW/hLL5LqrxSbRYE

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 (125) 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\2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d.exe
    "C:\Users\Admin\AppData\Local\Temp\2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d.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:5080
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1008
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4100
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3688
    • 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=3716 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:432

      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

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      Downloads

      • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-A954C4A3.[decoderdata@onionmail.org].2023
        Filesize

        2.7MB

        MD5

        04fa1b317c63cbe672c7694aaec1daa5

        SHA1

        483fdc6386825ef671aea3622f3959ce58490325

        SHA256

        ae3462bc9b673880999005540a7a3add05a7b71f446f6b8ce121db985b0c251f

        SHA512

        6e3a242a34923b6c97284c80fa3c07b6a2c6870b4df8f6965e506a3a8425bc5f7360c8281e85b2e14cfae75905e33fac875b7e6f5e06b411e6d9b35b5dd82e3f

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