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Analysis

  • max time kernel
    143s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 21:46

General

  • Target

    JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

  • Size

    757KB

  • MD5

    8dcbf7ea62059c8b10246754c3c9b800

  • SHA1

    177493084646918c0b6bed606be6dc2901cab25b

  • SHA256

    1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c

  • SHA512

    4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a

  • SSDEEP

    12288:6ZUbR65iysDBtkrNmNSVAk2+vFi5thNVlZB+KSNPR7EOuMceBhvTWwSMmgOQzQmx:vR6JSarANSV12AEhNX+5N9oMcOv6wSMo

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qpss

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • payload_url

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

    http://fuyt.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-0SLhZxAjRX 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: 0448JIjdm

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 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\1047fc70-f1e6-4d3d-bd58-789edf8e33e5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2728
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    3d80cddbccda3212901fcc92500202a9

    SHA1

    4715c55c082734850d8f434703a958d390dc0386

    SHA256

    15c2903f2436f88ba87f1224ed998052aaac8e5207678e86edf46f8cfe9f425d

    SHA512

    c5f4b3e94a7b5f792a00f3e43161b335c32f72c6c0f477e367e559fcb1663890fd3dd54495525ef0f77e3752859df769baa460d02218906ed3f0b79789127f4b

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

    Filesize

    342B

    MD5

    e91beca4005621138f9869d2fe643d47

    SHA1

    ee3778de5f6237763515698d3b4a5d8f6617c965

    SHA256

    29b9a2359cc093740a136fcfec7ffdcffc9bcec6942f74c75ff646859df686b5

    SHA512

    75d9549128571b100f35aff22cd684ae444552efa9f5773dea4954e5df02df9d7953dce765a62ec113553d9b36b19724e1fa876152aa3ff4e1f4072b982b91e1

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

    Filesize

    170B

    MD5

    7b76ccf229165f352a25c2a83fb6b377

    SHA1

    13724a1fc194b14a1fcff52714460420d28113af

    SHA256

    71a4be497e862f1a0f3bba50176070cf7c218c03f08fd1a4d68033048ea8b2fa

    SHA512

    25e7570fa455237bbaedd93755e8caeaab97075091cc567c3c0389cb56ed935ccd3de672a74030bab9b5299a2b38711406467dea147e5e5d6fe0151e201cbcc6

  • C:\Users\Admin\AppData\Local\1047fc70-f1e6-4d3d-bd58-789edf8e33e5\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

    Filesize

    757KB

    MD5

    8dcbf7ea62059c8b10246754c3c9b800

    SHA1

    177493084646918c0b6bed606be6dc2901cab25b

    SHA256

    1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c

    SHA512

    4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a

  • C:\Users\Admin\AppData\Local\Temp\Cab80A5.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/1868-1-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/1868-2-0x0000000000750000-0x000000000086B000-memory.dmp

    Filesize

    1.1MB

  • memory/1868-0-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/1868-6-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/2336-51-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-52-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-38-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-68-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-67-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-66-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-64-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-61-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2336-53-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2412-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2412-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2412-8-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2412-9-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2412-29-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2640-36-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/2640-30-0x0000000000560000-0x00000000005F1000-memory.dmp

    Filesize

    580KB

  • memory/2640-31-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB