Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 06:48

General

  • Target

    dd7fc1aa306ebacbd7f4359a2947678a_JaffaCakes118.exe

  • Size

    289KB

  • MD5

    dd7fc1aa306ebacbd7f4359a2947678a

  • SHA1

    f1f2c8416efc7d421e3314199ade159b3f7b0af6

  • SHA256

    c52b627ac93e5553eeb3d1e15c66b69ab8e17f14663f9c77258261bcc50c9a73

  • SHA512

    e689d4b0d5867faef1afbec25437d28739139731ea58dda57079eeba0869f7064108c312b2fc0d034d103318613b2bb3e2ed4e350c52963b269d1b66a5956cdd

  • SSDEEP

    3072:OwsDllYBrJ5mbtEqaAQcyWbPUo8TvAxGzPhUosTV62fN3WrLY:5slYBObKRiPx8TBCoYV62fN3W

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\PMECSWHIGA-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: .PMECSWHIGA 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/dd1a76466e384619 | 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/dd1a76466e384619

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 (279) 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 40 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\dd7fc1aa306ebacbd7f4359a2947678a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dd7fc1aa306ebacbd7f4359a2947678a_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:1728
    • 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:956
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1580

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

    0e061db05b7ff3a23d1242dec65ff981

    SHA1

    8d8ed40382c77b22eff9aea2d9ca4b623c322c9f

    SHA256

    ba1bbf8e384aa39775c3346d51157707754e8e0992b8ae1413683172deb99f6b

    SHA512

    e389455082bbdf17f4185c845d18eaa1545ea14b7cab1715419a6b55c503ef41f248c09fe9d64269e96148a6449d25ecd05287c2d1b10690a2735e26f20d4a53

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

    Filesize

    242B

    MD5

    f6b0852b99b5357604235507f607900f

    SHA1

    b618d99a36ebcb75ae25c48aff46443286f29531

    SHA256

    d45b8b4325adcbe42fa10c14be8ab94429fda208393582a905b7eab9d6b2d304

    SHA512

    6307d9e14d3e7ecb4064adf4b5f18a07ff68a7408b0d36c6b42b4b52f3f58e8bc7f91ca574431fc19f91b6c7e177ed50d8c687ba77e4f868d094ec6f49aefed2

  • C:\Users\Admin\AppData\Local\Temp\Cab9436.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar94F4.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • F:\$RECYCLE.BIN\PMECSWHIGA-DECRYPT.txt

    Filesize

    8KB

    MD5

    37fab7bc0e2f162b288cfca72396612e

    SHA1

    3c9160f3b9956221568566911d19f6611b71e647

    SHA256

    11b75fbb20fcf0d1c6f0036388c3cd947d58d8c6683dc46f377dc037de701b7c

    SHA512

    0018cecc3fae10347da906d20bc85042d6040a985a2276f33fadff057042115cf3812c826f2092bd7c3e79464d92d273eeff9c0f7d1aedb11f1f37fb27a9b1e8

  • memory/1728-1-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/1728-2-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/1728-727-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/1728-728-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1728-729-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB