Overview

overview

10

Static

static

3

386ad76c89...18.exe

windows7-x64

10

386ad76c89...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-05-2024 05:08

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General

  • Target

    386ad76c899489cbe2966ef26a941802_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    386ad76c899489cbe2966ef26a941802

  • SHA1

    c8a2b0a0b5417f5d502a6446fd7055f9111d0b59

  • SHA256

    fe8c90707056408448fd4887305773f8572e6e128892a9665b5c07088841e977

  • SHA512

    538d60b0e199818c26a751f6cbe00c4d45b2b067a052734341778d690d5413749086b11c53d429768fadf3b0e4f9709698bc37747b091b53a633add4c45cdbc4

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AijpAtcn3vvvz/OB6kBZESNI9uXpfqzIIT:Qw+asqN5aW/hLcNAtcHL5822fK

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 202AB621 In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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 (313) 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 2 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\386ad76c899489cbe2966ef26a941802_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\386ad76c899489cbe2966ef26a941802_JaffaCakes118.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:2176
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2120
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2376
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3148
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3632
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3460
        • 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:3272
        • 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:3384
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1036

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-202AB621.[[email protected]].combo
        Filesize

        23.5MB

        MD5

        35d7a124350c07cd87c1b6588de580f4

        SHA1

        3cbd94dbc32c0559a46e2668dc2fd4d83253215d

        SHA256

        45b30c99a127d4dd8637f32bae1318399f6e3b5d2c5dd6531c330a14fe8a46eb

        SHA512

        b1f099a86daee0675a631b27fe3b3dbd9ee492334511836966777d98732425c0499b34bfd1ceed1ffd1492535745eaab21d944f13a13e34ccb17f1ac92b33f53

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

        13KB

        MD5

        ebdfe13fe0b27a1fdeb4cf49bcd69883

        SHA1

        4768dcadefd50c27047d63602385ec28d3b4cedc

        SHA256

        7342cd402d7459d74649fb1e5f792bb8d935ceb2a780885350134ad6e263ce9e

        SHA512

        042dde04cb755b8e9850ae39c31f684f84439ba12dfe942dd3e43475581aa1ab3f8094e8a2b43e217eae457c6249ba2e4f2339cde2df96f7b8323022a6bff146

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      • memory/3384-20173-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

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