Overview

overview

10

Static

static

5

order.exe

windows7-x64

10

UGH CRYSIS RANSOm.exe

windows7-x64

10

crusususus...is.exe

windows7-x64

6

crysisisis.exe

windows7-x64

9

encrypt da ct.exe

windows7-x64

10

i dunno i ...om.exe

windows7-x64

10

i no crysi...it.exe

windows7-x64

10

im gonna cry sis.exe

windows7-x64

10

omg its fu...IS.exe

windows7-x64

10

why crysis...as.exe

windows7-x64

10

Analysis

  • max time kernel
    238s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 18:55

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General

  • Target

    order.exe

  • Size

    970KB

  • MD5

    8951ea556fc0f09d34d55ae9d610ccea

  • SHA1

    7de8815e4af9fa2ef6514c70ea53ecc4d0bbd838

  • SHA256

    a12897e495ca61d13e95bbfd9015357debc8ce95561ffcc91d06929211763cdb

  • SHA512

    9d1138068076830bb4eb2b2706f257321f4ac4cd37d28ee02325baa832703f570cc71f4715a074a826983af2370dac6077ddc6f3e66383cc741797150836bd4c

  • SSDEEP

    24576:rFrCGXjsiUJU1wqGf5AjuQ5O3h3fMtb2Kv1bH:VnuJUCz7Mtb2e1bH

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerupx

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 EE3F8B4B 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
  • Dharma family
    dharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (312) 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 3 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
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • 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 2 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 WriteProcessMemory 37 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\order.exe
    "C:\Users\Admin\AppData\Local\Temp\order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\order.exe
      "C:\Users\Admin\AppData\Local\Temp\order.exe"
      2⤵
      • 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:2640
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2884
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:3016
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:900
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:3252
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:2520
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:2108
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:1548
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1588

      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-EE3F8B4B.[[email protected]].combo
        Filesize

        23.5MB

        MD5

        9c600f3223a18158e3514319d39e7e56

        SHA1

        723da36537febe4f997ac0d024f10b5e56133390

        SHA256

        69f74fa174ee7a872fa5db23d09a3b83d6e09b758e4736f3313c99329cb62a39

        SHA512

        5571332a1f0975659db20635217af91bbefc618d375710225c6bed07fd2bcbfba345ee4d35ad9ef57d9dce05a19783600425cfde8b793933306e10024c84e0e5

        Download Submit

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

        13KB

        MD5

        4924654929128c9e0f7765198a7b76b3

        SHA1

        8b2b0c49fc2044378a59baa8309db787fc88e34c

        SHA256

        c3bd9c00746f7f3621158731bce86f11c74d8b1d61a330946c6f78b2de9eed90

        SHA512

        069def18ef519dcd17557fc83e3c83d0f6ed765cc1e2f17f9d20463bf3399e8fa7cd0c1586c917417c68617013de803ee83b90c1de0274a96613f0a260bb7d1b

        Download Submit

      • memory/2196-15-0x0000000000400000-0x00000000004FE000-memory.dmp

        Filesize

        1016KB

        Download

      • memory/2196-0-0x0000000000400000-0x00000000004FE000-memory.dmp

        Filesize

        1016KB

        Download

      • memory/2640-14-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-23-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-29-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-5-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-3-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-22-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-19-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2640-8-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-11-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2640-1-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download