Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Overview

overview

10

Static

static

3

41b007b09b...18.exe

windows7-x64

10

41b007b09b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 13:37

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118.exe

  • Size

    589KB

  • MD5

    41b007b09b3da5bf2f1e6bf34d7ca6c1

  • SHA1

    1c1b84e1cf1576f8d5c9622aad42def01c48a493

  • SHA256

    9f44eaf881e2e145794a360aca1cdd2e9ac2e020e59b1829ea8f92d4fd3eebd0

  • SHA512

    50347bc41495d893c1c71fdb0b36bb2a56d672d7af9c3ad0dcc8cfd334ead9c96c849863afaeb3d555924de61a79febc5a39e6ba2b965c4289b2c96ab2584ec3

  • SSDEEP

    12288:MUiTFXMfffP5dgVHYPT4m90rrYQp48+0I6O4lNh7vaqFaFmSiyyjKF:MUihXy/YClF6O4HhBd8F

Score
10/10
gandcrabbackdoordefense_evasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\KRAB-DECRYPT.txt

Ransom Note
---= GANDCRAB V4 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .KRAB The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/8b72f5bbd591c08d | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- lAQAABtTqimoTtRFyztrwBqD0lLWALNJKMv69VBX5MH1FpBfci1ZVX2EmzLKIAVmmRf5anPImtLgUSIBiJTa41iiPGnEQHqDHjtk7gjfPQ2TeyWFgZXrrdm9kZnpCYF1KXxgz4WWvREaHexKDa0Jlrr4Q9uGjc1Y1hZeOOcrByTKpAGk4vUUXrkp2CutieaLATK4EiPRnVWAqchaxy5WQJBfhKbBr6FkxoQ4ub7dkV0dWlegj7liFMeF1m96g3XyLkHeYDFCn2JwzaZcyfKyf5uWzUs1DrmoAYKiWRJxeSDvnbGT/t6xWsTOmURTz8+oH3tyNR7ICA2qeNqqctICvTmBC58E0MmWx3/QlJHF2UTNlnOaxhqChraKeeYjuptOrbZulKXFUk0NdW0+S3gypgJKxtm3BZ4ZmN9iNY4z0X0kCoOMN353+OhaFMfV+lOPmQGNR5R65Mffibg8mJ0/xbgjSNdna1PjBvrfKA59SldgDlE+pOOBZMU0mSm163sRlQ7m5vuvtAFavc4gRUoBNoG6y13qaIF8teNZQAMTPV+9mLMVwHcT2SaGCvCazA3yBAx49ZdTEco5R+tlQDTDKDDgrtJhI2ShlSth7g0MSCxUi6t5zKw1a7/7SZTgc3wU+n4dLgD6G7RgjEwcHzHXFCRyQCNa9L3ksZJxCCc2Uvs+gWRThuYTJ8a2BmlpWfqCfTUb5k+qqid+9u7DmMNB7rABeBq13E9IFqj4eho17xk5OuEe1bvB2P7dB97QuV9g7ESi36iZqIzUWBIjqAm+3nx1wPoC9flztgmdNO6TKxZj0HP2NDLDvTjZO332y4dUs/pJBG9ajwW//sdkqWUCYss01wayRYfBGo23dEtnBikRwAOuwgrv1shU8jVSCiqrg8MEBB3RhLwX07sksRDL85y7F+Azyg462BVmZ5nxlSQfjC/XHCWMcBqrAdq5dH8n7/h1Xlxd7Wl6/hyJZa2+GyaNn+huhU9Tqy6km1jsb4BKfE+Q4ZzJyOtJxg95fW4TnGLW4NrQ4ctyPj1xRLwJF1mO7Dpn6zY6DfPAmk8WHVYfWVvtuEPUagaro4xjN57DqBg2WBV9bv8WydbO0JH0cS1h4N+B+rNaQP6s1/gODHf6i4dnxG2siHYq4A0sgoQubM6xJFXUvbH32DRMLRpEUni1MPuGJwDXxRK5ZMX/wKocrWAfTJXNbDF4sQDyiI1dyF2KgqxXpsWJn4f3GjrBqIUke+qTxwDJ+XZeu+6Wpkj0KxDZczLqOV7+X25BqA20PVdiKLefZT5iuK/FzIFkMbU9A5bKx0NEOZHlhwy/9/i+KDCsP8BHzFdO097UaUVo3rPk74zI/Z9rcDdKNACkuCcYXbOT9Hpj628iLTanRLx31OMq85ympU5T1lpNIiJiqR8uLnG0we/pYsajxfVMvPNspe4CfezS13x0ZDbxX/iw0KbaDQgmokSInwagwZE/SyE2/dSG92C8EYEBcgB8XOPydVeKEes1u9M8Q4huKyjGhpXxDQtjt+3GBjzusSV5et6yiFkTNdq1b9dqXOcD+Q/mZgwegbbz46PBcHrjXBjWdtWt11RZYmo4DRK6yMepvsOj66f/1UiM0LujtD1GqY+qq2RtStXXcAGAfrkdXpMj2hLBOEMZY1HHQ52zYfgnVRvP54NcLyEmMkkiv4rX3g0IabF1pYKo8+MmcqCuRftzDi51kpa+qn/7BtFS1h4t5+6Jm1oAbJZPJ+qzbJMdQgpOQXI6k6u2m3uPSxVhqVUKktH+392fOFXZ/WqnHNRK3oq0gMveN5nJfAAYQBZEV7ovPuPzWXNnZmu9TyaxYsEN4YICrYVrkPd74sR0hZDEvOv7ELz6wdYhlVz+pCS98l4cC9oNGViW3XayhUKXPO+3ARPhZ0TLJ+cgvT/rzKta44VxGuCyGzn7zuUb4mTI5DMfeerEfAigE7hG0RcZpOnvBBPemjllEkb6/UR2z/slRo4ZseEYPZ9Ae4fHXdxtzsCMdnttp9kc93LH1zh2dUTcwERdGL6hQIfxQYp70gnHbsjR7lM8u2geROz7v/6Kvs4w17ND6OYmCEbpf4UkcPN1rytR7xwwQpg1ijiWYK9WUthUDGTmFROdTqwU10VlDmRwiNmgmVXdIcQyRg1Ds06CTOreXKEAvesNtal4nSSL865pF59cjdSqVi37Vc9yLRUlWG6orDlWlhIwenlSKTVw9pG+2HLVBoZ5hU4fSu2KWQ1WTTbwoLs= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/8b72f5bbd591c08d

Signatures

  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

    ransomwarebackdoorgandcrab
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (288) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

    spywarestealer
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 36 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 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\41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Users\Admin\AppData\Local\Temp\41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\wbem\wmic.exe
        "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3380
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2f4 0x294
    1⤵
      PID:720
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2368

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • F:\$RECYCLE.BIN\KRAB-DECRYPT.txt
      Filesize

      8KB

      MD5

      c1bdc624c443ef2972cae475cef4c539

      SHA1

      1d23f4b63c4d0588dfdeff25afc3afeb08172ff3

      SHA256

      d5565a44fe7b24354bfbfcf1036b756206b72cc29d93106852d01a82ad0cacce

      SHA512

      fcf4d48f5fc10894a76b19ac318c25fa6ecb523b932189f4abe0a2826cc7a6224fdd8cd316edaf3c78872c406555be19416a213f641dbd9174808dfce9c183c5

      Download Submit

    • memory/1624-752-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

      Download

    • memory/1624-753-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

      Download

    • memory/3432-0-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3432-1-0x00000000091B0000-0x00000000091B1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3432-2-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

      Download