General

  • Target

    da0663cdd736719efa9675fd2c7841e8326a98b0b362e00acc8053dc39e29ecc

  • Size

    357KB

  • Sample

    220625-jm4jbsbggq

  • MD5

    ab6ae20a37006ffb428a6fe1c8929e9b

  • SHA1

    d3684d20e267870614ec6ba792bbd247d93f0499

  • SHA256

    da0663cdd736719efa9675fd2c7841e8326a98b0b362e00acc8053dc39e29ecc

  • SHA512

    04c5dac60a4751fcf60c6223cbfc774c74e1a084894078378804f468670a1ace386d0fd0963207e1baf9e2ebefc20c4e9b8c4fbf6ef05993bcb8a4d3ebc5a3ac

Malware Config

Extracted

Path

C:\IWBWVBUL-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.4 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .IWBWVBUL 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/a15dcc4b79af754b | 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--- lAQAABT8zAwlC3aL9LMq7XiDgu01gOBZ8a6CcC93k/c2jJ/4AzJFWJ29kqajCauuFdyKjTHBLixqDO9m045C/bILA45v3TKFBRxnZR8xDcsw7GhpBB7aeBkk94sndDVZV32PVAex7usjdByxiORZSM1MxnRicXFLdGIEsv18A1yZf24ItDugJT3TqnP7VqIXuTfUT8IqE2tDLI4dQL1dP+LsvBPEzezO7FMibumHIGapDBPQjTvDjatQ3HpyZN+VtF56VjdkO4RL4pA2xGQHYf+PfRHfbdX7n/9SuxhCv/cTEM82LEwJwGyT1kudp4yCnIeiWc4hbNNWwLCX4ZIN9AOn1zIPvlqP47/B6KSx5G1MBXaG8sr0AOCJsI/YX5bTN3w7slZydzapIaTnz8lnO/UJR3u5MMLYkHbmhlqfviOTRA57BNx1Y2227UH6ABhcb8SiZgFAEPoOk3zMhNvbMZevCqqBsOuNfBep8fPKo0wp4VEqKrpgcVGAl6O23ddNQWr0giVNfqXKY8AIszW5PfTTMrfk75WyKYlX5DBHs/9dGR+EK6rPS2f+LJ0SOrgJ2KF8ktWZv2HrrDobe5ZAcT+kcBUq+kcn5jUu0HVgPqS6hem06oCiUsmxcKVAM4GWahi+mKOnOcvIBgIMKa9222lzn2Sp75fuFTPXYq4mUx7djy4zjR4dO5GAI4LogbaKNJRtUW+loRdGrDhJpyObSVFSWmrS8hemr0rITNWgRcy/Ss+bDV118g5STFpe34cUvRXAuEleiCY4J5EB85slBrYk5KX0XmpKrHDe/B5nII0hMQWpnArSblc+Pwo+16gcLCigqXqhtZZy+P5bO1hG0pzbShpi4qSfBnN8CTLlneZXSIPBEAWRQfp8vvO0ma9Fo26Cm6h/HtafH7SOEs3Iq+VaFEOGRHv7h5LeQ4WYpuEfn3CepVsjdDM5XN6Slj93vtfZVMidDgy5joYhLuIr66HWMzcFGlZrLM5VQFuhyND1a5fXzB36pcDxea48NwVNAD7DNznzjt4nwt++zHqjTApOrBvN9B8SLDfow8W+WnyfF0LP8nmFvql4hBoWiEo5col/vtv0U6kPwMTS8bpU7jfRf0cUY/LvjFXpF2qfhi00LKAx2apyy/GkoTxCgjVK+P0VfSTLqgRh7+VR6ewu5O6+NRZ3wHbONYIzvLc+CjFs/kyXR+yObAz6YKlun/cL6ngNlv0wVCs6klyEe82CMBR+7L3esS/+C90Hy6ZPeYDw1UltP5ty22nerRTn1vRmr1fOYb5lxW7pRpghlS+yIEtWCkwUzztdMlIr1Lnwgz0xlnRbuZdrXNqsf9D37LZftUPfV/L7RUAGNACimeVZ4QAUlteuq8bLDRrSVFS2EmZ6NzyE0QkjGuLPblkqNAJ9jJROm/KxM+seHsSjvj6C5u98g11EW9t5yIhWUZH1SFqJFk6ve2H2er1ORAWPvUIW2nR8+bntzrn5U+aOArDVErdlnyRNwudvPZKiHdHPXvyYwzY68f9hT5SJB+eaBAH/KiDqVchrr1lMPAZWnhCpgb0OjNJAikZwworaXzGS/VXDZ0mxrywcJYSgMUY3JhHChyZ4P7EP2XyrAl54TIKYq+3/GZtSAhx+WlaAFOm6Byi3nUl6VJ5tEnQW17rgv12+lw2Rrz3Xv5tDyhDkvv1sC8QV0YPK50EKWBUBCP7L6Buyi/6qUZJdDhzDMfan2RFF9HdWaUiIa/zZb4XN6ymZAczf4WndXlbqTz2b0oNgEqI7eYdl7cv+tzMBL80gXF1K+iOb6xP3TtR+E9B7ukqn+uVwMv+ByjPfkuLB5EfYsQzklBfslRZX83nAGKb1uVSj13l6TObXIZLrI0UDrQqkZvoBR+GtbiptiGITzdsuGkvVes4SnX4N/ZPQUVKGaIA9Nf4/eO0tyeNt52qP1w0QjXzp7mYZ2tGJbZ+2+A3xrwuGACkOoXmnwvm3y1NTROVnyP7KeShh196sPAYtp1Wj5cwLHgQKA0Ai/B7l+qu3xKqlYBn9S/tLM5w/pvySPnpuutwmxXutCsZCeXF+I1fLUiSzzPKF8K+pmvYUqM3IdvC8JoTvlqwfUZE3QkUOGPweerf5c8M+rf9dUsSas/TmcmxMNGnDO44a5X99VPYNpg/mbCWbVLYxpVTBM0+oWqakT1pD9hYJ5FofqBXYEtlKSIx2aSOj04px2aON4xuCEtcByNFtcS+gQFHN9pt6Rh/Uj2iUSZiU2Fs= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/a15dcc4b79af754b

Extracted

Path

C:\DTWMTM-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.4 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .DTWMTM 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/300dad963c5c1762 | 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--- wfKD6iudumBkmpL8IRr4U4exEVaoOXLtwDwmOrT1y1YWvOiWMx5GYaRdvZZDTptRqXYX7nJWsbfMTGOHhh5qBJzzs9MC7736UkGSDDniUJJG8/LFF//kmGmoAZAGLo2j5/wd2UrxMJK+iqKhTkS3ArgAxrZOOOiXrbnhbWMkLHQnbYuWlMClYZxYU6SDxpopRo5r292AV1KIZBZV4APBuUHcKSIr2MWMI0O1MKIP2IpKLE2TS5wNmoQoAHZIP7k/TfrG1tVzlDb3jcZAB3gql9dnWN0lCD4xdg7bDNQrvH1xSi3FCw+6kfktKtizqdynr7r154JiurEmkUXB4+Kk/2Y2Ret3Go9YZVqFBiTt/hHTEYoboCcV4t+4Oab3Y5NyPYz32XaispQRTRkqF1PXJPcJ15EHwNAoAxPMnKo+DO5eAL2fjmE0g6RrIQ3vxBFKwg7yZizpCRFF3vPLNOas1wQZMXQQRlGKajmI1gXgeX8EmUHfjiyxQQxnz7JBlpawv3IDVYnpeTfxfAIcOsA2PzRNwX8PQy7ChaZPEubtMkioBZdMaZHjHssOL7+KRYAP+4kgV67utbOZzJr9ZHY= ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/300dad963c5c1762

Targets

    • Target

      da0663cdd736719efa9675fd2c7841e8326a98b0b362e00acc8053dc39e29ecc

    • Size

      357KB

    • MD5

      ab6ae20a37006ffb428a6fe1c8929e9b

    • SHA1

      d3684d20e267870614ec6ba792bbd247d93f0499

    • SHA256

      da0663cdd736719efa9675fd2c7841e8326a98b0b362e00acc8053dc39e29ecc

    • SHA512

      04c5dac60a4751fcf60c6223cbfc774c74e1a084894078378804f468670a1ace386d0fd0963207e1baf9e2ebefc20c4e9b8c4fbf6ef05993bcb8a4d3ebc5a3ac

    • GandCrab Payload

    • Gandcrab

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

    • suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

      suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

1
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks