Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23-08-2024 12:02

General

  • Target

    bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    bba54c282b52450d29c0372a0d0801ea

  • SHA1

    670981a5ef11461aa1891ab300c41f7e83c4e64d

  • SHA256

    3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9

  • SHA512

    056cba65bbaf1aaa7f9a3d548dd6b958e562cd4e3be5e91b1998c3d998f5197a241b7bf8da8470743962d902153b6cfbf2239e18b7bacdd6f30ecae248e71c5d

  • SSDEEP

    24576:qn4qZ9kMnVFb91WNZj2GdNiZ5SfkVEmLq9kqRn:q4qZyQVx0Zj2Ge2S3O9DRn

Malware Config

Extracted

Family

djvu

C2

http://ring1.ug/As73yhsyU34578hxxx/SDf565g/get.php

Attributes
  • extension

    .coot

  • offline_id

    MRQ5kb5Z12tWuP3e25YoRt4PRDrJd2yuI3coott1

  • payload_url

    http://ring1.ug/files/cost/updatewin1.exe

    http://ring1.ug/files/cost/updatewin2.exe

    http://ring1.ug/files/cost/updatewin.exe

    http://ring1.ug/files/cost/3.exe

    http://ring1.ug/files/cost/4.exe

    http://ring1.ug/files/cost/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-IbdGyCKhdr 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: 0175Asd374y5iuhld

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 8 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\71dbaaaf-2f53-4d4e-a7be-cf69453c9204" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:2560
    • C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

  • 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

    fbf55cfe950a61fa6256bc87257913f4

    SHA1

    5e81e1e1a1278e86373aaa832534d915e9d37740

    SHA256

    79a8835d7671c9fd847b6aae494389276574bdbc2aa09a6eefb5a964c780f4c5

    SHA512

    f2db21b07217723e58d26571fab91efa9c5fbb6979a02fdfe251bc3ca1c167f5411c3aa5197a4036cc1694ed352d19cc7f9a4e234d45571396853d6cd7bafee0

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

    Filesize

    342B

    MD5

    5556c860daf11cfdebc3519c96922707

    SHA1

    dcea9d034c8612874e1caf96dcb91201e5e03284

    SHA256

    f89d66f53d833b5799168ea67684b147a886893b9995e401c8e4da7c55176e33

    SHA512

    9cf6c888b1d0a8fd455e935c1119c9307d642a88353d2ef3c62908aede3222b909971359c54da53f866b40ae71b429fd2b1881e89ef8526c516bc485730bc1c4

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

    Filesize

    170B

    MD5

    64830b3be24acb08e072c46eb465c7c0

    SHA1

    a09b2f2be98a0a402fb81cc501edd745c856f224

    SHA256

    d112dda1ff50b11a20181f7eb51a69d56fa4e65fef4d22ad0adcfed272f5c89e

    SHA512

    c5f1c897e120583d2ad31c0536ae8621ff43a839d5299c704f225689bc69fb2b7d6770cc7af27671e48147c2e31dbecaa169b8e48499173e23fb216c3c655618

  • C:\Users\Admin\AppData\Local\71dbaaaf-2f53-4d4e-a7be-cf69453c9204\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe

    Filesize

    1.1MB

    MD5

    bba54c282b52450d29c0372a0d0801ea

    SHA1

    670981a5ef11461aa1891ab300c41f7e83c4e64d

    SHA256

    3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9

    SHA512

    056cba65bbaf1aaa7f9a3d548dd6b958e562cd4e3be5e91b1998c3d998f5197a241b7bf8da8470743962d902153b6cfbf2239e18b7bacdd6f30ecae248e71c5d

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/2592-27-0x0000000009420000-0x00000000094E2000-memory.dmp

    Filesize

    776KB

  • memory/2592-42-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2592-43-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2592-46-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/2924-25-0x0000000009380000-0x0000000009442000-memory.dmp

    Filesize

    776KB

  • memory/2924-26-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2924-24-0x0000000009450000-0x000000000956A000-memory.dmp

    Filesize

    1.1MB

  • memory/2924-0-0x0000000009380000-0x0000000009442000-memory.dmp

    Filesize

    776KB

  • memory/2924-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2924-2-0x0000000009450000-0x000000000956A000-memory.dmp

    Filesize

    1.1MB

  • memory/2924-1-0x0000000009380000-0x0000000009442000-memory.dmp

    Filesize

    776KB

  • memory/2924-23-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB