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Analysis

  • max time kernel
    145s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2025, 01:46

General

  • Target

    JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe

  • Size

    780KB

  • MD5

    468e14503ccc7db47f87533c9a4147f7

  • SHA1

    5ad83d44064214d0d32b6bba580d76d54b404a9b

  • SHA256

    40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a

  • SHA512

    4b7f0a135059ed177fa692dedf697d6941b50bacf32613e07a55b9c743a10ddf2a11a6e5fd4ea8b0b475755bb896d6ce1494d5b3eb219c913cc7be79c43200e1

  • SSDEEP

    12288:X+yy1ob1Wk7JJTYQStLp9M14DIHeEEFzxrmaQGi/cdlQLyLrylm+uenZURlOwZGS:/NpW3QStm4DUHEFFmaejy/+uNBsE

Malware Config

Extracted

Family

djvu

C2

http://rlrz.org/fhsgtsspen6/get.php

Attributes
  • extension

    .maql

  • offline_id

    xcdIdDNFh62dy3iJsba1COhcfDENsbjPHQQ2Eht1

  • payload_url

    http://znpst.top/dl/build2.exe

    http://rlrz.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-pk3SGFlmek Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0340gSd743d

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 16 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Djvu family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\a56a1037-8c1a-48f8-a745-76e87712a259" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1856
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4472
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    67e486b2f148a3fca863728242b6273e

    SHA1

    452a84c183d7ea5b7c015b597e94af8eef66d44a

    SHA256

    facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

    SHA512

    d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    ae58d60ae52f9ec25fb3588ba1c36da2

    SHA1

    8cb765e1bf052d8611759ba73ab40f796e3ae3f9

    SHA256

    252db0ea52004a92c904d0c4bc68c74a7905a83f4984088d84d9e2a9625481c3

    SHA512

    0490eb75109661019277ba525cf7571cdfadb6f8ca7985ce02c40f1a127d5d4e28312c58635ce0e80c05208b0224c478ea66000a2316bd9a5d12e652750aac14

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    a1ac6311f41b76bdb4738789fe9f95b6

    SHA1

    8af0ca2bc5a852a1300733ff2903e2b408ee8511

    SHA256

    f7a4608122a9af44a2a02888e613b2e18345211140d96ed8ae4a9576b9fddc95

    SHA512

    5a0abc0d7306b42bbf05590ee1da193e54238f382c3ae940848a32b5f56372a9fb83438edc16daea5dab1fefbab5ed6bd87b3601ffc463cd38e2f58c09a9b411

  • C:\Users\Admin\AppData\Local\a56a1037-8c1a-48f8-a745-76e87712a259\JaffaCakes118_468e14503ccc7db47f87533c9a4147f7.exe

    Filesize

    780KB

    MD5

    468e14503ccc7db47f87533c9a4147f7

    SHA1

    5ad83d44064214d0d32b6bba580d76d54b404a9b

    SHA256

    40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a

    SHA512

    4b7f0a135059ed177fa692dedf697d6941b50bacf32613e07a55b9c743a10ddf2a11a6e5fd4ea8b0b475755bb896d6ce1494d5b3eb219c913cc7be79c43200e1

  • memory/1232-30-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-34-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-40-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-38-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-21-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-23-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-32-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1232-31-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3992-0-0x0000000004D70000-0x0000000004E01000-memory.dmp

    Filesize

    580KB

  • memory/3992-1-0x0000000004EA0000-0x0000000004FBB000-memory.dmp

    Filesize

    1.1MB

  • memory/3992-5-0x0000000004D70000-0x0000000004E01000-memory.dmp

    Filesize

    580KB

  • memory/4884-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4884-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4884-2-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4884-4-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4884-19-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB