Overview

overview

10

Static

static

10

01aabfaa41...50.exe

windows7-x64

3

01c647838c...7f.exe

windows7-x64

10

02f5c32fa2...d6.exe

windows7-x64

6

1a05cba687...a3.exe

windows7-x64

10

1a8f35d0f2...b9.exe

windows7-x64

1af797776e...13.exe

windows7-x64

10

1b2b369f31...2e.exe

windows7-x64

3

1b4a0b685c...db.exe

windows7-x64

3

1b4d73a9a7...89.exe

windows7-x64

10

1ba8934b2e...4d.exe

windows7-x64

1

1c2a51daa5...5b.exe

windows7-x64

10

1c8bc3890f...45.exe

windows7-x64

6

1ce9fa5304...ef.exe

windows7-x64

1d51d46e07...cd.exe

windows7-x64

10

1db9ec5678...e0.exe

windows7-x64

10

1dbbed25cf...88.exe

windows7-x64

1de8054e71...a1.exe

windows7-x64

9

1e56efa724...ba.exe

windows7-x64

1

1e754e1c7e...44.exe

windows7-x64

3

1e8e39da21...bc.exe

windows7-x64

10

1e9e575dd3...86.exe

windows7-x64

3

1eb6de09f5...69.exe

windows7-x64

4

1f0daca3fc...d9.exe

windows7-x64

6

1f0efbc182...be.exe

windows7-x64

1fd42d07b4...6e.exe

windows7-x64

10

2a02608130...a1.exe

windows7-x64

1

2a05ac3c43...e4.exe

windows7-x64

10

2a32c84488...95.exe

windows7-x64

10

2a6c920bfb...dc.exe

windows7-x64

3

2aebddfd22...c8.exe

windows7-x64

3

2b245f773b...bb.exe

windows7-x64

10

2b331aa02a...b7.exe

windows7-x64

10

Resubmissions

05/02/2025, 08:57

250205-kwyvwayrgv10

13/07/2024, 09:29

240713-lf7nhsvgrp10

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/07/2024, 09:29

Sharing

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General

  • Target
    1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe
  • Size 92KB
  • Sample240713-lf7nhsvgrp
  • SHA256 1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
  • YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! 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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (317) files with added filename extension

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

    ransomware
  • 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).

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe
    "C:\Users\Admin\AppData\Local\Temp\1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.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:1732
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2704
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2804
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4016
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2948
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1344
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:3792
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2648

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            OWOW64WW.cab.id-71B47227.[[email protected]].data
            • Path C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-71B47227.[[email protected]].data
            • Size 23.5MB
            • SHA256 fa53ac86107c05ad95f988abdfe16ce528a55aecd41c994f34d382af6a5d13eb
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Info.hta
            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            • Size 7KB
            • SHA256 e0b87ab23862434f46afc2b2b555b20485a619310188bca9df4812accaba49cc
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download