Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 09:26

General

  • Target

    6b114c9e97ef3ff022b51a6e0f6b32af_JaffaCakes118.exe

  • Size

    5.0MB

  • MD5

    6b114c9e97ef3ff022b51a6e0f6b32af

  • SHA1

    92979adf9ca1180cf7c39cb7a02641f7b4e1eff0

  • SHA256

    81b79660be9fc60338eb69eaab2e0b9cfdc750fc5a7e05dabb50a3d45a993b7a

  • SHA512

    065cb4bd68bafae39c1c420eaed314def3a7ecff9dddcc5c5ebb0c34c8ad8fb2a3c6ee50c18e6b025da4666210a77384ca6f175dff26061dfbc2a71a981a4466

  • SSDEEP

    98304:7ExhIKfP5bW1gDaogfd9xkGmBjEQX1DXi5VJUsUyuW/Du3TZyZ1GPY:4xhI0P5bW1g+nfHxkGmBjEQX1DXiJUsx

Malware Config

Extracted

Path

C:\Program Files\Crashpad\reports\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Hello! All your files are encrypted, write to me if you want to return your files - I can do it very quickly! Contact me by email: [email protected] or [email protected] or [email protected] The subject line must contain an encryption extension or the name of your company! Do not rename encrypted files, you may lose them forever. You may be a victim of fraud. Free decryption as a guarantee. Send us up to 3 files for free decryption. The total file size should be no more than 1 MB! (not in the archive), and the files should not contain valuable information. (databases, backups, large Excel spreadsheets, etc.) !!! Do not turn off or restart the NAS equipment. This will lead to data loss !!! To contact us, we recommend that you create an email address at protonmail.com or tutanota.com Because gmail and other public email programs can block our messages! If you do not receive a response from us for a long time, check your spam folder.

Signatures

  • Detecting the common Go functions and variables names used by Snatch ransomware 4 IoCs
  • Snatch Ransomware

    Ransomware family generally distributed through RDP bruteforce attacks.

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

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (8138) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b114c9e97ef3ff022b51a6e0f6b32af_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6b114c9e97ef3ff022b51a6e0f6b32af_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\lknvshnfsutoknuhkaa.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1856
      • C:\Windows\SysWOW64\sc.exe
        SC QUERY
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:708
      • C:\Windows\SysWOW64\findstr.exe
        FINDSTR SERVICE_NAME
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4980
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\lanreipkprrg.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4160
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\hjysakwmuhwuttnmawnl.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4256
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\qakvvhqxtofkw.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Crashpad\reports\HOW TO RESTORE YOUR FILES.TXT

    Filesize

    991B

    MD5

    bd667e34a4d11740c41565c146074d61

    SHA1

    44c98709dbff4163fdc4f8652471277009a22345

    SHA256

    ebab06321865d564336497ad23815e50f3ad9ec42f070bd3bff8b7591175ec5e

    SHA512

    1c2a6f47e635efba5059f65020615132c2e4a308a165a14999790ee64af2a18a5cad8093c44478283e12765659c95d4de1abb0e6013ab20ec1a484946467c514

  • C:\Users\Admin\AppData\Local\Temp\hjysakwmuhwuttnmawnl.bat

    Filesize

    47B

    MD5

    2202e846ba05d7f0bb20adbc5249c359

    SHA1

    4115d2d15614503456aea14db61d71a756cc7b8c

    SHA256

    0965cb8ee38adedd9ba06bdad9220a35890c2df0e4c78d0559cd6da653bf740f

    SHA512

    cd6ce6d89a8e5f75724405bc2694b706819c3c554b042075d5eb47fdb75653235160ac8a85e7425a49d98f25b3886faaaec5599bcf66d20bf6115dc3af4ba9c7

  • C:\Users\Admin\AppData\Local\Temp\lknvshnfsutoknuhkaa.bat

    Filesize

    43B

    MD5

    55310bb774fff38cca265dbc70ad6705

    SHA1

    cb8d76e9fd38a0b253056e5f204dab5441fe932b

    SHA256

    1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

    SHA512

    40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

  • memory/2236-0-0x0000000000408000-0x000000000040A000-memory.dmp

    Filesize

    8KB

  • memory/2236-1-0x0000000000400000-0x0000000000A1D000-memory.dmp

    Filesize

    6.1MB

  • memory/2236-2-0x0000000000400000-0x0000000000A1D000-memory.dmp

    Filesize

    6.1MB

  • memory/2236-6067-0x0000000000400000-0x0000000000A1D000-memory.dmp

    Filesize

    6.1MB

  • memory/2236-15777-0x0000000000408000-0x000000000040A000-memory.dmp

    Filesize

    8KB

  • memory/2236-15776-0x0000000000400000-0x0000000000A1D000-memory.dmp

    Filesize

    6.1MB

  • memory/2236-19665-0x0000000000400000-0x0000000000A1D000-memory.dmp

    Filesize

    6.1MB

  • memory/2236-20344-0x0000000000400000-0x0000000000A1D000-memory.dmp

    Filesize

    6.1MB