Windows 7 deprecation

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

Analysis

  • max time kernel
    116s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2025, 23:01

General

  • Target

    be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe

  • Size

    766KB

  • MD5

    a0218a67b0d9faf2721cae2bde1d1a10

  • SHA1

    6ca3ebd170d21e6e9b572f2386bb828d0afcba4a

  • SHA256

    be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4b

  • SHA512

    d7ce12cee7d3eb85e09139741d77b5a2a3d203d1a10aa620d3b4a17668317dc28248a84f0c0a20ce165c1f32804e6b6b2cde90e59e8ccb3ee8e3f9b5d3d7fdd9

  • SSDEEP

    12288:nKDiXNmHNpcGWH69SIW5JBvOwcMBl4tT5jVXctOpctHni7LEwv:nMiXNKNpM6jW5JDcIit+OpAHUEw

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test1/get.php

Attributes
  • extension

    .held

  • offline_id

    vyhLHcV0DMKjS0CgDoJGF0yJ299laBK7lZQM9Tt1

  • payload_url

  • 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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool. Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0879held

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\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe
    "C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:300
    • C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe
      "C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\6dac367a-9e5d-472f-90ce-cff091d8cfff" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2776
      • C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe
        "C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe
          "C:\Users\Admin\AppData\Local\Temp\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2708

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

    a58b2188b49e4377088e2bbe0155d856

    SHA1

    1e9a562f7e779dad200761d7dc60a327506eede7

    SHA256

    e93af54f67285d81d068760532812f52b1a90623b4c621f3429a20a4704a6f4b

    SHA512

    98a90febb8f017e7b4688873bcb2eeb8243eb3050b9c66440c9e516a70ad0abeec4ef135f71d36eb0cd30fe33cb1cda6da03e60774ae997006bbbd92fa2d943e

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

    Filesize

    170B

    MD5

    437193b6cdd12b02e6732684d98df6ba

    SHA1

    0acc560272e3a71f141a2984cd3a56de63159977

    SHA256

    c9bfb97d2867a2c897e6b0c065346d923c126ee72d27af43db28d65115e6b124

    SHA512

    96fc6f09d6f0b17a38ba57dc7f49dc849629082fb1fb2eb4d88f4fb3ee2c610d7f8c958720783083714bf0eaf5343ca2f500ab969f0a911aabf136795eb57d44

  • C:\Users\Admin\AppData\Local\6dac367a-9e5d-472f-90ce-cff091d8cfff\be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4bN.exe

    Filesize

    766KB

    MD5

    a0218a67b0d9faf2721cae2bde1d1a10

    SHA1

    6ca3ebd170d21e6e9b572f2386bb828d0afcba4a

    SHA256

    be3d44217a6e68c19c91cf9bc4eefb6ec537a0e70fe3d3095519fd3dec9f9b4b

    SHA512

    d7ce12cee7d3eb85e09139741d77b5a2a3d203d1a10aa620d3b4a17668317dc28248a84f0c0a20ce165c1f32804e6b6b2cde90e59e8ccb3ee8e3f9b5d3d7fdd9

  • C:\Users\Admin\AppData\Local\Temp\CabDA19.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/300-7-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/300-2-0x00000000020C0000-0x00000000021DB000-memory.dmp

    Filesize

    1.1MB

  • memory/300-0-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/300-1-0x0000000000220000-0x00000000002B1000-memory.dmp

    Filesize

    580KB

  • memory/2708-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-60-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-64-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-63-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-62-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-35-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-54-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-51-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-53-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2708-52-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2812-30-0x0000000002030000-0x00000000020C1000-memory.dmp

    Filesize

    580KB

  • memory/2812-36-0x0000000000400000-0x0000000000898000-memory.dmp

    Filesize

    4.6MB

  • memory/3068-29-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3068-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-8-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3068-9-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB