Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 01:07

General

  • Target

    3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe

  • Size

    810KB

  • MD5

    42fe928b06e704ec51f6d9e679a4b2e4

  • SHA1

    f0fb600a2b9428b2dd33fd8a7d781f4f59423241

  • SHA256

    3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71

  • SHA512

    4ad727be5cc71cbcc33eaf0015e51370575137e74d460b65a2c5fa6abe7e153ce981ff3adb2937e1711d2b9a462db2b1e3cd353e971881bd5fded340f5e5075e

  • SSDEEP

    12288:x/4LAaAmpqSAQjWW6OCEVRxpHsSCfCP31pQlGYtQAN3WdYB89XoU2VwwZGEX8cAF:BpaYW5fRxpHs743vQ0xAnB8992VVsEv

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .irjg

  • 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-xl2bbDnZSN 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: 0338gSd743d

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 15 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\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe
    "C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe
      "C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.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:4868
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\c383c659-1197-44c8-82b3-75d1cddfe70d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:744
      • C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe
        "C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1480
        • C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe
          "C:\Users\Admin\AppData\Local\Temp\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2292

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

    d04d8667685ebdf0fcb77ae441f9c8a8

    SHA1

    6b7820b7aa8a86de6ac99c4b414ca6f9834f887b

    SHA256

    ba8e051475b7ca9861c1a0b2c632232395e0e6c1d012c973008b708917e1f51f

    SHA512

    cbe4c14ba5bd4e0ba13fefec17de2fe1aef96e7d34836bad7bae70990027d5563457ce2c2b702a40190f1aac5ce2df2ca6690bd20b77e98c7d606a6556329d6f

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

    Filesize

    170B

    MD5

    c4e62a314a53726f4f11b13f842f8e03

    SHA1

    8d947923cd53a566238e3c605ef202fba0720071

    SHA256

    25acd66832d9f9f90aa4cf2a4ad5da2c2135651083ee1d741f0ed13e2f3d4cfa

    SHA512

    0d97531cd6d1544a8e6ad8680dd4c79c695651e7b13c68e41a17f03fa87d6b2fe3ce4d04bb127617b59172ff4aa0aa3fb44226a3fa02dcc13001fc17b93a44f4

  • C:\Users\Admin\AppData\Local\c383c659-1197-44c8-82b3-75d1cddfe70d\3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71.exe

    Filesize

    810KB

    MD5

    42fe928b06e704ec51f6d9e679a4b2e4

    SHA1

    f0fb600a2b9428b2dd33fd8a7d781f4f59423241

    SHA256

    3f1596b4ebd177ec46e57ea0e6d208f32c1ebb93b448a4b5318cc116293d1e71

    SHA512

    4ad727be5cc71cbcc33eaf0015e51370575137e74d460b65a2c5fa6abe7e153ce981ff3adb2937e1711d2b9a462db2b1e3cd353e971881bd5fded340f5e5075e

  • memory/2292-31-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-30-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-39-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-22-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-35-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-33-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2292-29-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4480-1-0x0000000004C80000-0x0000000004D15000-memory.dmp

    Filesize

    596KB

  • memory/4480-2-0x0000000004D20000-0x0000000004E3B000-memory.dmp

    Filesize

    1.1MB

  • memory/4868-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4868-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4868-4-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4868-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4868-20-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB