Overview

overview

10

Static

static

10

cc3b570fa8...64.exe

windows7-x64

10

cc3b570fa8...64.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 08:34

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe

  • Size

    1.9MB

  • MD5

    f09a781eeb97acf68c8c1783e76c29e6

  • SHA1

    ec2b7eebfcbf263424ae194817060eac44c380c7

  • SHA256

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64

  • SHA512

    972fc4759d344c3eab157fe8bb345596592895ab9d27546961a93047142e8236dd876f3449a9f60dd5eb93a54035dcd3d7c8d70d468e3233341bfa4d674cfa64

  • SSDEEP

    49152:jL7kITp6hTJEfHdQ2+Sd3KmkZt1EOS09VE8zbRfc7id4oPg:YITpmafy2+S5KmkZt1EOSP8zdfc7i5P

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealerupx

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 00DD6F08 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
  • Identifies DHARMA ransomware 8 IoCs
  • Renames multiple (314) files with added filename extension

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

    ransomware
  • UPX dump on OEP (original entry point) 4 IoCs
  • Drops startup file 5 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 13 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
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 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\cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe
    "C:\Users\Admin\AppData\Local\Temp\cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2500
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2532
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3512
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1784
        • 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:2236
        • 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:2264
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1508
      • C:\Windows\system32\msiexec.exe
        C:\Windows\system32\msiexec.exe /V
        1⤵
        • Enumerates connected drives
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 89C04E51E1C7B2A3DFD029D7A2DB5CDF
          2⤵
          • Loads dropped DLL
          PID:1472
        • C:\Windows\system32\MsiExec.exe
          C:\Windows\system32\MsiExec.exe -Embedding 3688F0C2F6DE4630CFD922FC18A7E9CE
          2⤵
          • Loads dropped DLL
          PID:2056

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-00DD6F08.[[email protected] ].wiki
        Filesize

        6.3MB

        MD5

        e8d0bfc92343a8767769d9dae6906cc0

        SHA1

        22f9ca65a5f3689cea381150c386d2599ebeb759

        SHA256

        7ece875a4f06163fb26ca229806e5104f48c83c614d35699ac092179b9432ac5

        SHA512

        56e041fe8ee5a1fc14ba31dd078d2a26feb8e787bc7458a75565bc9bc52b86fc5553acf3c5bb68e4d4142dc42291a79887fd678565026198d6ff92b3bd41d4dd

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

        13KB

        MD5

        5c6724bee9c1a4bbab492cb17a56d9bb

        SHA1

        a0c583db7c72b42346f1e5dd047fefe78e5d8447

        SHA256

        efc71c40fc4ebe6c98557273ee8134258628dbd7fe76f54be3234ba0d14ed88c

        SHA512

        6c190739277439f793077bc406ba729a1a93a165d8a5a06dd34d53a73bed5632a47a10a1ab8346dc43cfb82f30b2b85ecef7907aaddccc7cc1336ed48b89e1aa

        Download Submit
      • C:\Windows\Installer\MSIDA58.tmp
        Filesize

        257KB

        MD5

        d1f5ce6b23351677e54a245f46a9f8d2

        SHA1

        0d5c6749401248284767f16df92b726e727718ca

        SHA256

        57cb8f01cf553c3886760180d1a74839f2f676640115504485aca9692f577acc

        SHA512

        960e90894e7bedcc89894e77e57e8ee0c99dd2c530d02665e8bbd3a1793eccc1e295c5923d1f37c757fa1158097fbaae70898c16052882d3d210c29ea801b3ba

        Download Submit
      • C:\Windows\Installer\MSIDB43.tmp
        Filesize

        363KB

        MD5

        4a843a97ae51c310b573a02ffd2a0e8e

        SHA1

        063fa914ccb07249123c0d5f4595935487635b20

        SHA256

        727ecf287fb6f4953ee7748913dd559b4f8d3a022fa2ca55bc51cf5886c52086

        SHA512

        905c081552d95b523ecf1155b6c7e157652e5ff00cda30c1c21124d266eb7d305c3398d6832316f403dc45d1b639f1a5a67aea29922cd1a032f52e5247ec55d2

        Download Submit
      • C:\Windows\Installer\MSIDEC1.tmp
        Filesize

        148KB

        MD5

        33908aa43ac0aaabc06a58d51b1c2cca

        SHA1

        0a0d1ce3435abe2eed635481bac69e1999031291

        SHA256

        4447faacefaba8f040822101e2a4103031660de9139e70ecff9aa3a89455a783

        SHA512

        d5216a53df9cfbe1a78629c103286eb17042f639149c46b6a1cd76498531ae82afd265462fbe0ba9baaff275fc95c66504804f107c449f3fc5833b1ed9c3da46

        Download Submit
      • C:\Windows\Installer\MSIE1CF.tmp
        Filesize

        86KB

        MD5

        ff58cd07bf4913ef899efd2dfb112553

        SHA1

        f14c1681de808543071602f17a6299f8b4ba2ae8

        SHA256

        1afafe9157ff5670bbec8ce622f45d1ce51b3ee77b7348d3a237e232f06c5391

        SHA512

        23e27444b6cdc17fe56f3a80d6325c2be61ae84213bc7cdaad7bb96daa7e8d2d3defc1b96c3cee4a3f32dc464b0e05720bcf1c0e99626bf83de1b6d5aac000a3

        Download Submit
      • \Windows\Installer\MSIDE71.tmp
        Filesize

        28KB

        MD5

        85221b3bcba8dbe4b4a46581aa49f760

        SHA1

        746645c92594bfc739f77812d67cfd85f4b92474

        SHA256

        f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

        SHA512

        060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

        Download Submit
      • memory/1720-9722-0x0000000000400000-0x00000000005E6000-memory.dmp
        Filesize

        1.9MB

        Download
      • memory/1720-4-0x0000000000400000-0x00000000005E6000-memory.dmp
        Filesize

        1.9MB

        Download
      • memory/1720-0-0x0000000000400000-0x00000000005E6000-memory.dmp
        Filesize

        1.9MB

        Download
      • memory/1720-2-0x0000000002CD0000-0x0000000002D04000-memory.dmp
        Filesize

        208KB

        Download
      • memory/1720-1-0x0000000000400000-0x00000000005E6000-memory.dmp
        Filesize

        1.9MB

        Download
      • memory/1720-20313-0x0000000002CD0000-0x0000000002D04000-memory.dmp
        Filesize

        208KB

        Download
      • memory/2236-20304-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
        Filesize

        64KB

        Download