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Resubmissions

14/02/2025, 20:11

250214-yypxmsyjf1 10

05/02/2025, 09:01

250205-kyy9eszjft 10

15/10/2024, 03:47

241015-ecgjlashrh 10

05/08/2024, 04:49

240805-ffygys1eke 10

05/08/2024, 03:50

240805-eee4jszepd 10

Analysis

  • max time kernel
    150s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 03:50

General

  • Target

    1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe

  • Size

    92KB

  • MD5

    786ce74458720ec55b824586d2e5666d

  • SHA1

    6f62e7fe75a0876939e0dd95d314b83e25e1e395

  • SHA256

    1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3

  • SHA512

    083fe6cde08dac05043ecc0fdbc8b26b0764de7f651ad19e96a937bc27de96242f1763b701b308eab7e0b9a8dd88cbc45e9c891de505b5348581acd4e1495c33

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A9eAzVbobr+t+NK1GcoDc50cO2tqpbe:Qw+asqN5aW/hL2UVEnHKIcAtcO2tqpb

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (526) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • 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.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 2 IoCs

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

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe
    "C:\Users\Admin\AppData\Local\Temp\1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe"
    1⤵
    • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:684
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3268
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5304
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:8016
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:6220
        • 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:8888
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4396
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5820

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-AB821591.[[email protected]].data

            Filesize

            2.7MB

            MD5

            75b848705746f1dc9e493736acc10b7e

            SHA1

            1dfa04c62d7d4a0c19ef1a1fd693e5f5a3efc1f6

            SHA256

            363af037b4a07ead5c1f43ff35288ae7d8554755427d933780a6969e6809dc4f

            SHA512

            45d5f9789a6fdaff7ed7e2f4911dfc98322e6d53a2c85fd3a9bfa819c7cc5bdf07971ca240b4f5511fc9a20afa4c3e71cf4e6f12d8a5655d93b9e207d6df76a8

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

            Filesize

            7KB

            MD5

            7e28ecdc72a8c16241f91c5eed49c0eb

            SHA1

            8f317dc5bee51e0ae78f2baab1992d4fe58bbb92

            SHA256

            006a9355baa4a750b13225caae35227d4bf040a7076e79283efce0361d5b10c9

            SHA512

            3a6071d69861c6353fa70ca78cdaf61d9bdba444932bc56899680a324f33313cf85e60748944e71c71f07ac7565677628ad8e65c0162afb6f2b7d31d3b08f236