Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 11:35

General

  • Target

    e149f0097d9815526a006e3a9ebe894f_JaffaCakes118.exe

  • Size

    573KB

  • MD5

    e149f0097d9815526a006e3a9ebe894f

  • SHA1

    331bacac501c93a0cd1efa1f280c08640e5fbd9b

  • SHA256

    0c4fb3ee51d15a55c3679ec2d90a7445e8a36514281eebc16739d383d46028ca

  • SHA512

    1bd697ee1bc5b613e54de35aca2fa17fd630f42de1fa4d2ed4da07d0890fd8f99595139093f943e83a7563988701c7696ddfeaa75d9a4a600c01b8c17e5eb00a

  • SSDEEP

    12288:EhmNTlga3Clkj+uS1KJQw3w0T65bHd93HzkCMu:Ya3C0SEx3wCw993Hzktu

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\S-1-5-21-1488793075-819845221-1497111674-1000\NDRDJSOQW-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: .NDRDJSOQW 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/bcec7a4a2c9c86cf | 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/bcec7a4a2c9c86cf

Signatures

  • Gandcrab

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

  • Gandcrab family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (283) 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 3 TTPs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 31 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e149f0097d9815526a006e3a9ebe894f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e149f0097d9815526a006e3a9ebe894f_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\SysWOW64\wbem\wmic.exe
      "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    09e7ae52cabae96a0be3cf66a1d6bed5

    SHA1

    46c1266d88a1ef1978cb8b898bbe234f92dfb5ce

    SHA256

    ca378e8709dab904350c44a6d9166d7028d75d88645341dbea7e001d8c0d4dd1

    SHA512

    f2518d3efc68d0bb48b1021bdbc6ebc19e5501eb541b8f96d6d59f009ca3806f0ae0a3f358ab7396004750641300d8be60fefb95ae7d060efb4111b5fbb11602

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    f1685b2c9cdc9456fb83d46f5d77eec9

    SHA1

    1e304d6a4db1a276d64b5d809b909e44ec3ae19f

    SHA256

    35f95e134bb049b7682bcafd335648b66736687bd92713b50dd104043119cd22

    SHA512

    621b7d5759212dbf8980bdd22ac5f10149794e23d053e49f7d236a6fc0bba6e0810734e784203f037d41a66494915b7e78fb82afbb06a2a44f3fdd04b9df1985

  • C:\Users\Admin\AppData\Local\Temp\Cab9D40.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar9DB0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • F:\$RECYCLE.BIN\S-1-5-21-1488793075-819845221-1497111674-1000\NDRDJSOQW-DECRYPT.txt

    Filesize

    8KB

    MD5

    0379fad6759927a6dfb4545a130d673e

    SHA1

    4087f00d66020c8b38d1bc32abcfef865a8f806c

    SHA256

    ad629277031093bb9a350cc4d37f014dfb70083f1383f514d61a84ba6371bac6

    SHA512

    c27aa7baf8db1b11691dcb12d9a8a117b0cb6a70b1c88207dcf8aa3058695fa6b79abba646ee09c12adeebe43c9b6a2ce627ca05290715ff46213e4c133dfc9c

  • memory/1448-9-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-6-0x00000000004F0000-0x0000000000500000-memory.dmp

    Filesize

    64KB

  • memory/1448-11-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-10-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-3-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-8-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-7-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-12-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/1448-609-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-777-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/1448-5-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-4-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-0-0x00000000004F0000-0x0000000000500000-memory.dmp

    Filesize

    64KB

  • memory/1448-1-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/1448-2-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB