Overview

overview

10

Static

static

3

96d53db0c2...18.exe

windows7-x64

10

96d53db0c2...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 01:00

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General

  • Target

    96d53db0c246b758c080544749b47496_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    96d53db0c246b758c080544749b47496

  • SHA1

    c6299596edc48945f92cf8b45554b3e4024a7b4d

  • SHA256

    ba1623596ff0c4886437afb3e599afe2d4911c993acaedeacbde1a397b5a50f7

  • SHA512

    bac775760d9dcb0999c2630d13c917142a00db6fdd7050afc0bbbaed6a1251512315e116db86e786a6602ea9a4ef00e6bc70bcf207191e8878c7ef1988da5c55

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AI9MF5fNzPDmSjG5DUgD0rXBYTP45FTx:Qw+asqN5aW/hLzm75D7D07mTwF

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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 254B72E2 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 (631) files with added filename extension

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

    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).

  • 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\96d53db0c246b758c080544749b47496_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\96d53db0c246b758c080544749b47496_JaffaCakes118.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4580
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:6248
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:8048
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:6388
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:8724
        • 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:7748
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:7672
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:6732
          • 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 --field-trial-handle=4332,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=3532 /prefetch:8
            1⤵
              PID:932

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Initial Access

            Execution

            Windows Management Instrumentation

            1
            T1047

            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

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            2
            T1082

            Lateral Movement

            Collection

            Data from Local System

            1
            T1005

            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\C2R64.dll.id-254B72E2.[[email protected]].combo
              Filesize

              3.6MB

              MD5

              9dc79c57dc7eb5e8850f7e54d684891b

              SHA1

              09851debf2b04b20afb59dff7435645f57cbc35e

              SHA256

              a50a0e19e2dbb6a264d2145ce5c8ed0c4fa0933b414456d83d1992c3abddc3a2

              SHA512

              9fe5b48d51b3a5c56a2c728f3d3c765dd408244d591e2eccb95f8b46019c1feeb56fcfe48eaf18df7c437454152a86c40365c66a8d30815c0edf0abd28bf5a12

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

              13KB

              MD5

              feaf6a9f412e26f243a31f137097de00

              SHA1

              418ea8d86aae97d67ec979e9373286ca41881cda

              SHA256

              7b12330b628fe38476676500e84a56c99561745262ff74d111a5fb9cb4672258

              SHA512

              5ec74ec656d218161a885c4704136ca19741a8ec3c8334542202833113a159090cd6bdc5adecdaaed33f405f17f49f5bbd9d70cc0c41f7aeb7055d99f0982ae5

              Download Submit