Overview

overview

10

Static

static

1

6f64d864d4...d4.exe

windows7-x64

10

6f64d864d4...d4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-03-2023 04:20

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General

  • Target

    6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4.exe

  • Size

    92KB

  • MD5

    fb0e8cdaae96f5da8f73b3e30af023fb

  • SHA1

    5b0e1b47b42e6d1d068736f5106224fe2001624b

  • SHA256

    6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4

  • SHA512

    33449b04cc7913b54e2e1ec2c3d1f600f0d9b9ca3abb129fd46ef391e504f6f0cd9446340311f623b748788d70e4eca71d0e80a3d2c1700642f8c959b91f3bd0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4Awnyn9Jv4RYIhnIJANjOX:Qw+asqN5aW/hLyyn5JA5

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED iq200 Don't worry, you can return all your files! If you want to restore them, write to the mail: [email protected] YOUR ID [email protected] ATTENTION! We recommend you contact us directly to avoid overpaying agents Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 2 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 16 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\6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4.exe
    "C:\Users\Admin\AppData\Local\Temp\6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • 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:4028
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:848
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:5300
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5176
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4148
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4176
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2032
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:4880
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:1252
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4916

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-24090CAA.[[email protected]].iq20
            Filesize

            2.9MB

            MD5

            eda12e58e6bbeeeb32ee41c9605988b2

            SHA1

            4468780bbd40734dc8512bfcdcfd590a7e9d7f9f

            SHA256

            9cd24b425200a5e5ccc700d6b752eb68223b5a9f529360d578090cd5f370184d

            SHA512

            a8c255136b5460cd581c07cdd39476fa9acedea5c876a59fcb17025a2b65833b7842df7f66c9f71f5e7cb884e649dba6ad727108ab8b120f9c471d51f2bd6195

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          • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            Filesize

            2KB

            MD5

            8542a786b75c3ce03d1193ebd34e4730

            SHA1

            41ca0236d4c2b8270ad1d968510b574580101e5e

            SHA256

            d4003788f999f4d70ef87bac524cd74fb3414c2ea87a85e2c194591af82e291c

            SHA512

            01c1842618b92aa94fdc2a6e509fc96f42c6ed27eb4c185b12291fe3d51a7fb0f082108d061452b6c3511381999a67fdaa82cf3cc37a711bb5aab0ff9b4a344c

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          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            Filesize

            2KB

            MD5

            8542a786b75c3ce03d1193ebd34e4730

            SHA1

            41ca0236d4c2b8270ad1d968510b574580101e5e

            SHA256

            d4003788f999f4d70ef87bac524cd74fb3414c2ea87a85e2c194591af82e291c

            SHA512

            01c1842618b92aa94fdc2a6e509fc96f42c6ed27eb4c185b12291fe3d51a7fb0f082108d061452b6c3511381999a67fdaa82cf3cc37a711bb5aab0ff9b4a344c

            Download Submit