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Analysis

  • max time kernel
    146s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2025, 09:44

General

  • Target

    JaffaCakes118_9908264520394db485644af56f60bc8d.exe

  • Size

    864KB

  • MD5

    9908264520394db485644af56f60bc8d

  • SHA1

    682c67c0e88460118f35d4d27b93d5d55b3786bf

  • SHA256

    9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7

  • SHA512

    337bf236cc4c90df6063cff302ad63ca5e9e6c037395d8d6e8cc0e1c7d31729fb8b90bbb03eaf6bda4dd929f04ff5f191d9026496d288c3247fc30c2cff0eac9

  • SSDEEP

    12288:MPiOVS8CRUqOdnziAYkAH6CbsEqJLM2XbVfEFjOjf2YLYif6TqAxuqsQcY6:MKwdqOBzVAH6xEqFfREE1kjTpxu9

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .zaps

  • 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: 0341gSd743d

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 15 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Djvu family
  • 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\d5a3e776-0f6b-4283-9643-4373f5c828c8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2756
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    c9be626e9715952e9b70f92f912b9787

    SHA1

    aa2e946d9ad9027172d0d321917942b7562d6abe

    SHA256

    c13e8d22800c200915f87f71c31185053e4e60ca25de2e41e160e09cd2d815d4

    SHA512

    7581b7c593785380e9db3ae760af85c1a889f607a3cd2aa5a2695a0e5a0fe8ee751578e88f7d8c997faeda804e2fc2655d859bee2832eace526ed4379edaa3f5

  • 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

    36a8b5a44a1c49659e103a35a5e93aaa

    SHA1

    c402131b76a3eb21444af666310a8befd94627fb

    SHA256

    6e6e0964bcbc7bb57f56f91d3d385b6702ae6598eaed8c983882ea1f7972e626

    SHA512

    fff236c1f1e1c45fd6eb06eae2ecc517bd74fcf8d2213057b083143a615fc8fead6772a4408b5ca7991887f059cc1ed3d5d46ee0885bc505386af0217b764739

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

    Filesize

    170B

    MD5

    bb6a4856daf37ae99917faf686d063ba

    SHA1

    0bbded92419f81d992a518eba790b8e3d1be4955

    SHA256

    2fcf42f462eac880d7bc7d8337898029b60dfd49efb315c671ea75f2cc0db350

    SHA512

    e24113ec24f9153934ab90651aa5738b1d0e1e86a0203421dc894f3bb2d5019ba2a757287e964312de2d54bad1909ae3b8359b4868ba41ea38bc03a5e6ca3b16

  • C:\Users\Admin\AppData\Local\Temp\CabFB9E.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\d5a3e776-0f6b-4283-9643-4373f5c828c8\JaffaCakes118_9908264520394db485644af56f60bc8d.exe

    Filesize

    864KB

    MD5

    9908264520394db485644af56f60bc8d

    SHA1

    682c67c0e88460118f35d4d27b93d5d55b3786bf

    SHA256

    9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7

    SHA512

    337bf236cc4c90df6063cff302ad63ca5e9e6c037395d8d6e8cc0e1c7d31729fb8b90bbb03eaf6bda4dd929f04ff5f191d9026496d288c3247fc30c2cff0eac9

  • memory/2064-1-0x0000000000910000-0x00000000009A2000-memory.dmp

    Filesize

    584KB

  • memory/2064-0-0x0000000000910000-0x00000000009A2000-memory.dmp

    Filesize

    584KB

  • memory/2064-2-0x0000000000AE0000-0x0000000000BFB000-memory.dmp

    Filesize

    1.1MB

  • memory/2064-7-0x0000000000910000-0x00000000009A2000-memory.dmp

    Filesize

    584KB

  • memory/2360-29-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2360-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2360-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2360-8-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2360-9-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-37-0x0000000000400000-0x0000000000907000-memory.dmp

    Filesize

    5.0MB

  • memory/2468-31-0x0000000000400000-0x0000000000907000-memory.dmp

    Filesize

    5.0MB

  • memory/2468-30-0x0000000000290000-0x0000000000322000-memory.dmp

    Filesize

    584KB

  • memory/2668-38-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-52-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-53-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-54-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-56-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-58-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-60-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-61-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2668-62-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB