Overview

overview

10

Static

static

1

2023-03-18...is.exe

windows7-x64

10

2023-03-18...is.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    18-03-2023 13:24

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General

  • Target

    2023-03-18_560d922c519118ccd31e82d3dd02fdcc_crysis.exe

  • Size

    92KB

  • MD5

    560d922c519118ccd31e82d3dd02fdcc

  • SHA1

    40e371139c1d94de2d1c189e23c0724c4c879684

  • SHA256

    d4ab320cfff425eaafe322870539f5c16bfe1be83103ac093f21c1ac5f41e3b6

  • SHA512

    3aff75b0beb692963aadb424c399916fd8e2549e062230113e4f23e98a5a5dbe0c751b1aac479db380dbf206729c04f457d8e9dac3336fcda03cefc79dbeb5a0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AorVe3/yj0F/HWU9uegzywetKmw:Qw+asqN5aW/hLKBePkyHWYue8Dek

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email files@restore.ws YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: files@restore.ws 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.
Emails

files@restore.ws

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    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). Likely ransomware behaviour.

  • 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\2023-03-18_560d922c519118ccd31e82d3dd02fdcc_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-03-18_560d922c519118ccd31e82d3dd02fdcc_crysis.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:1408
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:472
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:320
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2684
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2936
        • 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:1736
        • 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:2656
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1152

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      2
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      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-A92839BE.[files@restore.ws].ROGER
        Filesize

        23.5MB

        MD5

        d440cb3098ad00ec258fc8137e78b53b

        SHA1

        a33e2079d09233bd0bb79391acf22392ef8d8799

        SHA256

        3e9adb6f569ebf08d3c2e9c5225d41ba36dda3530a3f6467e7d5c7751432a438

        SHA512

        4f82f8488b80b57273a7c92c377158dc21b8c9e91e42cbf233cf9959f0ec2c1eea4641dada1d148aecf384e04ed2edd16242602423c79b35b5bfe1090d4b7280

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

        7KB

        MD5

        c1d23c0d212e4d3b655c238453c96957

        SHA1

        2c713fa579aedb71693c8e35c29b6cd28fc7d96b

        SHA256

        846277bc703a5e81b78224325b06f244d610958de2d2d6c3453df781c1ae61b5

        SHA512

        66b3dade0ff67f53aacaa4f158f391c46be7250acfff6de842eb4bc026ee713357e38941b03d9d450019cc3a18530c17edaaa09b9ec39a3765245367712ec28a

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

        7KB

        MD5

        c1d23c0d212e4d3b655c238453c96957

        SHA1

        2c713fa579aedb71693c8e35c29b6cd28fc7d96b

        SHA256

        846277bc703a5e81b78224325b06f244d610958de2d2d6c3453df781c1ae61b5

        SHA512

        66b3dade0ff67f53aacaa4f158f391c46be7250acfff6de842eb4bc026ee713357e38941b03d9d450019cc3a18530c17edaaa09b9ec39a3765245367712ec28a

        Download Submit