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General

  • Target

    41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118

  • Size

    589KB

  • Sample

    240514-qwwneahc8t

  • MD5

    41b007b09b3da5bf2f1e6bf34d7ca6c1

  • SHA1

    1c1b84e1cf1576f8d5c9622aad42def01c48a493

  • SHA256

    9f44eaf881e2e145794a360aca1cdd2e9ac2e020e59b1829ea8f92d4fd3eebd0

  • SHA512

    50347bc41495d893c1c71fdb0b36bb2a56d672d7af9c3ad0dcc8cfd334ead9c96c849863afaeb3d555924de61a79febc5a39e6ba2b965c4289b2c96ab2584ec3

  • SSDEEP

    12288:MUiTFXMfffP5dgVHYPT4m90rrYQp48+0I6O4lNh7vaqFaFmSiyyjKF:MUihXy/YClF6O4HhBd8F

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\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/2b8272202ce8c9a7 | 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--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/2b8272202ce8c9a7

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

Targets

    • Target

      41b007b09b3da5bf2f1e6bf34d7ca6c1_JaffaCakes118

    • Size

      589KB

    • MD5

      41b007b09b3da5bf2f1e6bf34d7ca6c1

    • SHA1

      1c1b84e1cf1576f8d5c9622aad42def01c48a493

    • SHA256

      9f44eaf881e2e145794a360aca1cdd2e9ac2e020e59b1829ea8f92d4fd3eebd0

    • SHA512

      50347bc41495d893c1c71fdb0b36bb2a56d672d7af9c3ad0dcc8cfd334ead9c96c849863afaeb3d555924de61a79febc5a39e6ba2b965c4289b2c96ab2584ec3

    • SSDEEP

      12288:MUiTFXMfffP5dgVHYPT4m90rrYQp48+0I6O4lNh7vaqFaFmSiyyjKF:MUihXy/YClF6O4HhBd8F

    • Gandcrab

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

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (275) files with added filename extension

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

    • Checks computer location settings

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

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks