Overview

overview

10

Static

static

10

00b9b6cf27...f7.exe

windows7-x64

3

05500734fe...81.exe

windows7-x64

0b75e2fadf...c5.exe

windows7-x64

8

0d5fa75218...64.exe

windows7-x64

10

1760c5727e...9c.exe

windows7-x64

10

1fe99fb7c5...81.exe

windows7-x64

10

2336173567...98.exe

windows7-x64

10

2522b83852...03.exe

windows7-x64

10

2af6bc16f2...b2.exe

windows7-x64

10

3d9f9c162e...64.exe

windows7-x64

8

3db846a796...e5.exe

windows7-x64

10

493813116f...dc.exe

windows7-x64

10

4d61a61265...08.exe

windows7-x64

10

510827ce68...c5.exe

windows7-x64

10

5642f8bd3b...2a.exe

windows7-x64

10

6c37d14d5a...4c.exe

windows7-x64

10

6c3c9af653...c3.exe

windows7-x64

10

77186e57b2...20.exe

windows7-x64

10

7bca70a81c...61.exe

windows7-x64

10

8e934dcd46...88.exe

windows7-x64

10

9a75c8e353...60.exe

windows7-x64

10

9e067453f0...f3.exe

windows7-x64

10

Mydoom Ran...06.exe

windows7-x64

10

Mydoom Ran...5c.exe

windows7-x64

10

Mydoom Ran...fc.exe

windows7-x64

10

Mydoom Ran...59.exe

windows7-x64

10

Mydoom Ran...64.exe

windows7-x64

10

Mydoom Ran...76.exe

windows7-x64

10

a9a89ed0d1...0f.exe

windows7-x64

10

b4ab8f5c8b...95.exe

windows7-x64

10

c034313090...ef.exe

windows7-x64

8

c45a330cf8...24.exe

windows7-x64

10

Resubmissions

21-08-2024 19:30

240821-x76q3sweqg 10

21-08-2024 17:42

240821-v92h2avgpj 10

12-06-2024 16:01

240612-tgps4a1bqh 10

Analysis

  • max time kernel
    1800s
  • max time network
    1564s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 17:42

Sharing

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General

  • Target

    Mydoom Ransomwares/cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe

  • Size

    1.9MB

  • MD5

    f09a781eeb97acf68c8c1783e76c29e6

  • SHA1

    ec2b7eebfcbf263424ae194817060eac44c380c7

  • SHA256

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64

  • SHA512

    972fc4759d344c3eab157fe8bb345596592895ab9d27546961a93047142e8236dd876f3449a9f60dd5eb93a54035dcd3d7c8d70d468e3233341bfa4d674cfa64

  • SSDEEP

    49152:jL7kITp6hTJEfHdQ2+Sd3KmkZt1EOS09VE8zbRfc7id4oPg:YITpmafy2+S5KmkZt1EOSP8zdfc7i5P

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerupx

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 2167E605 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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • 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
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • 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
  • 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
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • 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.

    discovery
  • 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 SetWindowsHookEx 1 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\Mydoom Ransomwares\cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe
    "C:\Users\Admin\AppData\Local\Temp\Mydoom Ransomwares\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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2772
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2600
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3564
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1320
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:5660
        • 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:3400
        • 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:3628
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2592

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      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

      Direct Volume Access

      1
      T1006

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Credentials from Password Stores

      2
      T1555

      Credentials from Web Browsers

      1
      T1555.003

      Windows Credential Manager

      1
      T1555.004

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Browser Information Discovery

      1
      T1217

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Command and Control

      Exfiltration

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-2167E605.[[email protected] ].wiki
        Filesize

        23.5MB

        MD5

        59dc2ec5af3bd75e3d3804f35bcdbab8

        SHA1

        3b35e415576e2683227efbf99d261895cd6e9a32

        SHA256

        d50fbd018d208b21de45f69fe72de9b678f869c8898c4ded0c5070e8a8347959

        SHA512

        30fe95a2d615b80ef554bab837a72aa056b571b139b6f8720ccde4bf574c8c223857de7ab4ad35a385747626968e3290e215f04f945354ea50438abb16babb1a

        Download Submit

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

        13KB

        MD5

        62323e480e8e2016680f399e8b823522

        SHA1

        0a2607268daabf132f558add1654a82a7f5e84d6

        SHA256

        f30382368584b6789f99aa8a83e43ecac15fab16a909ff8663c77eb9079dc708

        SHA512

        0b15f6e646085353661215d35fe7d0124f64c27cee2be359dd6e55c12d8ee8b07b463d4a527d54eb95c60a9b72b641d98ca8bebec14427e7f765088e590aee10

        Download Submit

      • memory/3048-0-0x0000000000400000-0x00000000005E6000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/3048-1-0x0000000000400000-0x00000000005E6000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/3048-2-0x00000000026A0000-0x00000000026D4000-memory.dmp

        Filesize

        208KB

        Download

      • memory/3048-3-0x0000000000400000-0x00000000005E6000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/3048-9862-0x0000000000400000-0x00000000005E6000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/3048-11233-0x00000000026A0000-0x00000000026D4000-memory.dmp

        Filesize

        208KB

        Download

      • memory/3400-20379-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download