Overview

overview

10

Static

static

3

2023-05-12...is.exe

windows7-x64

10

2023-05-12...is.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    13-05-2023 02:59

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General

  • Target

    2023-05-12_786ce74458720ec55b824586d2e5666d_crysis.exe

  • Size

    92KB

  • MD5

    786ce74458720ec55b824586d2e5666d

  • SHA1

    6f62e7fe75a0876939e0dd95d314b83e25e1e395

  • SHA256

    1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3

  • SHA512

    083fe6cde08dac05043ecc0fdbc8b26b0764de7f651ad19e96a937bc27de96242f1763b701b308eab7e0b9a8dd88cbc45e9c891de505b5348581acd4e1495c33

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A9eAzVbobr+t+NK1GcoDc50cO2tqpbe:Qw+asqN5aW/hL2UVEnHKIcAtcO2tqpb

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
  • 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).

  • 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\2023-05-12_786ce74458720ec55b824586d2e5666d_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-05-12_786ce74458720ec55b824586d2e5666d_crysis.exe"
    1⤵
    • Modifies extensions of user files
    • 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:336
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:912
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:748
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:292
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3980
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3964
        • 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:3588
        • 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:3644
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1704

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-0F4FADBF.[[email protected]].data
        Filesize

        6.3MB

        MD5

        3cbd648b4bc068bd3417f304e70612e7

        SHA1

        ecca6625cc2170f9d48371548c56c6364d582bd6

        SHA256

        9c33ca65fe0f0992f4579691094e63c3d5d74483ac749cfd82a64b52b1e101b9

        SHA512

        dbbf0ec0946a792e7c16ecd93f4089bb15542c079d18dcc9735e8e22897b569795837b8cef27841b901627b5ed9b550c25252dd148e71b1cd3865039f04e8189

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

        7KB

        MD5

        1adfacc894f8c039d65c2dac46395232

        SHA1

        985e9c9b71e23096af85a00e3bebbcb86b8c89e7

        SHA256

        d00dd6ba167974ef3b530850b800299ec458e1846c3ce6117a8aec35e96047ab

        SHA512

        5848c467e10b20eba823d0a0beac4dfba6469161b37486d89b277d18e4a0602a6d383ec5c5f3e14fb36b56c3b65bd2dd5ab2671143d2cfe241480c4625f06864

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

        7KB

        MD5

        1adfacc894f8c039d65c2dac46395232

        SHA1

        985e9c9b71e23096af85a00e3bebbcb86b8c89e7

        SHA256

        d00dd6ba167974ef3b530850b800299ec458e1846c3ce6117a8aec35e96047ab

        SHA512

        5848c467e10b20eba823d0a0beac4dfba6469161b37486d89b277d18e4a0602a6d383ec5c5f3e14fb36b56c3b65bd2dd5ab2671143d2cfe241480c4625f06864

        Download Submit