Overview

overview

10

Static

static

2023-01-22...is.exe

windows7-x64

10

2023-01-22...is.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2023 09:17

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General

  • Target

    2023-01-22_ee524170a7ffc7ad48afc3a1e7377943_crysis.exe

  • Size

    92KB

  • MD5

    ee524170a7ffc7ad48afc3a1e7377943

  • SHA1

    c9c8725012fbf7e9651b2e1519eaf17e86a65658

  • SHA256

    4c21b335baf9907cfaec588f25354b804b3d59f3882d923fbaf0d929b933ef49

  • SHA512

    d0efb486382698190e2d95090d04d70282a07315fae162b339d2d935ffabf5c1b22576aaa2ca2fbd5469d21354d097e05d6da5368706aa5e318c90f5a9825d43

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AYotGG5Gq5XgH7id4NkzpvjNU4lm:Qw+asqN5aW/hL/GKp5wbk4Nkzphvo

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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 [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] 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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    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). Likely ransomware behaviour.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-01-22_ee524170a7ffc7ad48afc3a1e7377943_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-01-22_ee524170a7ffc7ad48afc3a1e7377943_crysis.exe"
    1⤵
    • Modifies extensions of user files
    • 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:4232
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:408
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2176
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3832
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4292
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1416
        • 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:3240
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3672
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4604

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            7KB

            MD5

            f8523d929b7e0e5992af630ff97896a5

            SHA1

            e81726c60e72cf4b61502ad197ce44250764444e

            SHA256

            d5be3e8c27a431fd88cd6cfbd4485e2e8a2064e60ec0c23560949482c3387229

            SHA512

            1d559dc524205173bee9381f399bc0dd74cb314a633ac14655ef02bee805da27dd05c20769b90f1a7efed9a83476c1898e5a793be5bf0eab325682e64f6712c3

            Download Submit

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

            7KB

            MD5

            f8523d929b7e0e5992af630ff97896a5

            SHA1

            e81726c60e72cf4b61502ad197ce44250764444e

            SHA256

            d5be3e8c27a431fd88cd6cfbd4485e2e8a2064e60ec0c23560949482c3387229

            SHA512

            1d559dc524205173bee9381f399bc0dd74cb314a633ac14655ef02bee805da27dd05c20769b90f1a7efed9a83476c1898e5a793be5bf0eab325682e64f6712c3

            Download Submit

          • memory/408-133-0x0000000000000000-mapping.dmp

            Download

          • memory/1416-137-0x0000000000000000-mapping.dmp

            Download

          • memory/1444-132-0x0000000000000000-mapping.dmp

            Download

          • memory/2176-134-0x0000000000000000-mapping.dmp

            Download

          • memory/3240-138-0x0000000000000000-mapping.dmp

            Download

          • memory/3672-139-0x0000000000000000-mapping.dmp

            Download

          • memory/3832-135-0x0000000000000000-mapping.dmp

            Download

          • memory/4292-136-0x0000000000000000-mapping.dmp

            Download