Analysis

  • max time kernel
    158s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/02/2024, 03:54

General

  • Target
    9114b4f1d15e6460424b18bf6e5292c18980879b9d3fe4f4370830a33895f27e.exe
  • Size 206KB
  • Sample240217-egfsvsae9v
  • SHA256 9114b4f1d15e6460424b18bf6e5292c18980879b9d3fe4f4370830a33895f27e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://trad-einmyus.com/index.php

  • http://tradein-myus.com/index.php

  • http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family
  • djvu

C2
  • http://habrafa.com/test1/get.php

Attributes
  • extension

    .lkhy

  • offline_id

    OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.com/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. 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: https://we.tl/t-uNdL2KHHdy 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: 0851ASdw

rsa_pubkey.plain

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (Telegram: @logsdillabot)

C2
  • 5.42.65.38:46185

Extracted

Family
  • stealc

C2
  • http://37.27.52.241

Attributes
  • url_path

    /2e5a02a1c49fbe5d.php

Extracted

Family
  • lumma

C2
  • https://resergvearyinitiani.shop/api

Signatures

  • Detected Djvu ransomware 10 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\9114b4f1d15e6460424b18bf6e5292c18980879b9d3fe4f4370830a33895f27e.exe
    "C:\Users\Admin\AppData\Local\Temp\9114b4f1d15e6460424b18bf6e5292c18980879b9d3fe4f4370830a33895f27e.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3296
  • C:\Users\Admin\AppData\Local\Temp\50C.exe
    C:\Users\Admin\AppData\Local\Temp\50C.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:632
  • C:\Users\Admin\AppData\Local\Temp\3276.exe
    C:\Users\Admin\AppData\Local\Temp\3276.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\3276.exe
      C:\Users\Admin\AppData\Local\Temp\3276.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3980
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\5e79e085-cbd5-468b-b330-83f41f77b1eb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:3520
      • C:\Users\Admin\AppData\Local\Temp\3276.exe
        "C:\Users\Admin\AppData\Local\Temp\3276.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4528
        • C:\Users\Admin\AppData\Local\Temp\3276.exe
          "C:\Users\Admin\AppData\Local\Temp\3276.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Executes dropped EXE
          PID:1792
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 568
            5⤵
            • Program crash
            PID:2544
  • C:\Users\Admin\AppData\Local\Temp\4DA0.exe
    C:\Users\Admin\AppData\Local\Temp\4DA0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:64
  • C:\Users\Admin\AppData\Local\Temp\7686.exe
    C:\Users\Admin\AppData\Local\Temp\7686.exe
    1⤵
    • Executes dropped EXE
    PID:4672
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8C03.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:1896
    • C:\Users\Admin\AppData\Local\Temp\972F.exe
      C:\Users\Admin\AppData\Local\Temp\972F.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      PID:2464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1792 -ip 1792
      1⤵
        PID:4560
      • C:\Users\Admin\AppData\Local\Temp\CAC3.exe
        C:\Users\Admin\AppData\Local\Temp\CAC3.exe
        1⤵
        • Executes dropped EXE
        PID:2740

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            mozglue.dll

            • Path C:\ProgramData\mozglue.dll
            • Size 593KB
            • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
            • MD5 SHA1 SHA512 SSDEEP

            nss3.dll

            • Path C:\ProgramData\nss3.dll
            • Size 2.0MB
            • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
            • MD5 SHA1 SHA512 SSDEEP

            3276.exe

            • Path C:\Users\Admin\AppData\Local\Temp\3276.exe
            • Size 738KB
            • SHA256 971e39310ce70dc7833890a3dd839d7a25565f2e31dac2ac83e67da5e1ed9e44
            • MD5 SHA1 SHA512 SSDEEP

            4DA0.exe

            • Path C:\Users\Admin\AppData\Local\Temp\4DA0.exe
            • Size 474KB
            • SHA256 010927762b74660a52239a1b2fe39f0b4c548bf51b9bf7d10a73c8cebff4ad3a
            • MD5 SHA1 SHA512 SSDEEP

            50C.exe

            • Path C:\Users\Admin\AppData\Local\Temp\50C.exe
            • Size 210KB
            • SHA256 24b9c26108d1f6727d8c07eb802c6456bd9226281f34b6f24e11dd276aead2b3
            • MD5 SHA1 SHA512 SSDEEP

            7686.exe

            • Path C:\Users\Admin\AppData\Local\Temp\7686.exe
            • Size 5.6MB
            • SHA256 f6c375ec59e5b7c6c684bc148b8755522ab66a33a6fe3e20c41e89b49c854a51
            • MD5 SHA1 SHA512 SSDEEP

            7686.exe

            • Path C:\Users\Admin\AppData\Local\Temp\7686.exe
            • Size 6.3MB
            • SHA256 e3940372b04a4cb2177ae409c195debccfe004600d73a39d429a577d248d4cb2
            • MD5 SHA1 SHA512 SSDEEP

            8C03.bat

            • Path C:\Users\Admin\AppData\Local\Temp\8C03.bat
            • Size 77B
            • SHA256 d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
            • MD5 SHA1 SHA512

            972F.exe

            • Path C:\Users\Admin\AppData\Local\Temp\972F.exe
            • Size 371KB
            • SHA256 5bb28c27ff04d9d0f95f8a70bd8d9da0198889122597043b9f754153e59a6cf1
            • MD5 SHA1 SHA512 SSDEEP

            CAC3.exe

            • Path C:\Users\Admin\AppData\Local\Temp\CAC3.exe
            • Size 981KB
            • SHA256 d9ade93f51f93114a3d920b3dd40d3fa7675d3acfc087da487074124a67d57c6
            • MD5 SHA1 SHA512 SSDEEP

            CAC3.exe

            • Path C:\Users\Admin\AppData\Local\Temp\CAC3.exe
            • Size 384KB
            • SHA256 94ad59ebec4c1456ce591099bb761859955bd080eb0ec28354c3cd193681c536
            • MD5 SHA1 SHA512 SSDEEP

            memory/64-90-0x00000000744D0000-0x0000000074C80000-memory.dmp

            memory/64-202-0x00000000744D0000-0x0000000074C80000-memory.dmp

            memory/64-78-0x0000000000400000-0x0000000000454000-memory.dmp

            memory/64-201-0x0000000007A50000-0x0000000007F7C000-memory.dmp

            memory/64-199-0x0000000007130000-0x0000000007180000-memory.dmp

            memory/64-100-0x0000000005690000-0x0000000005722000-memory.dmp

            memory/64-126-0x0000000005620000-0x0000000005630000-memory.dmp

            memory/64-200-0x0000000007350000-0x0000000007512000-memory.dmp

            memory/64-204-0x00000000744D0000-0x0000000074C80000-memory.dmp

            memory/64-161-0x0000000005B10000-0x0000000005B5C000-memory.dmp

            memory/64-160-0x0000000005990000-0x00000000059CC000-memory.dmp

            memory/64-154-0x0000000005A00000-0x0000000005B0A000-memory.dmp

            memory/64-156-0x0000000005930000-0x0000000005942000-memory.dmp

            memory/64-145-0x0000000006730000-0x0000000006D48000-memory.dmp

            memory/64-127-0x0000000005860000-0x000000000586A000-memory.dmp

            memory/64-198-0x0000000006240000-0x00000000062A6000-memory.dmp

            memory/632-18-0x0000000000400000-0x000000000082B000-memory.dmp

            memory/632-20-0x0000000000400000-0x000000000082B000-memory.dmp

            memory/632-17-0x0000000000A20000-0x0000000000B20000-memory.dmp

            memory/1792-186-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/1792-187-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/1792-189-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/1916-43-0x0000000004AA0000-0x0000000004AFC000-memory.dmp

            memory/1916-74-0x0000000002660000-0x0000000004660000-memory.dmp

            memory/1916-49-0x0000000004B10000-0x0000000004B20000-memory.dmp

            memory/1916-45-0x0000000004B60000-0x0000000005104000-memory.dmp

            memory/1916-44-0x0000000004B10000-0x0000000004B20000-memory.dmp

            memory/1916-42-0x0000000004B10000-0x0000000004B20000-memory.dmp

            memory/1916-46-0x0000000005150000-0x00000000051AA000-memory.dmp

            memory/1916-89-0x00000000744D0000-0x0000000074C80000-memory.dmp

            memory/1916-41-0x00000000744D0000-0x0000000074C80000-memory.dmp

            memory/2464-91-0x0000000002D30000-0x0000000002F77000-memory.dmp

            memory/2464-190-0x0000000002D30000-0x0000000002F77000-memory.dmp

            memory/2464-82-0x0000000002D30000-0x0000000002F77000-memory.dmp

            memory/2464-104-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/3044-29-0x0000000002690000-0x00000000027AB000-memory.dmp

            memory/3044-28-0x00000000025F0000-0x0000000002684000-memory.dmp

            memory/3296-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

            memory/3296-8-0x00000000008C0000-0x00000000008CB000-memory.dmp

            memory/3296-5-0x0000000000400000-0x000000000082A000-memory.dmp

            memory/3296-3-0x0000000000400000-0x000000000082A000-memory.dmp

            memory/3296-2-0x00000000008C0000-0x00000000008CB000-memory.dmp

            memory/3428-19-0x00000000028B0000-0x00000000028C6000-memory.dmp

            memory/3428-4-0x00000000022E0000-0x00000000022F6000-memory.dmp

            memory/3980-38-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/3980-150-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/3980-35-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/3980-37-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/3980-39-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/4528-183-0x0000000002520000-0x00000000025B9000-memory.dmp

            memory/4672-60-0x00000000013B0000-0x00000000013B1000-memory.dmp

            memory/4672-61-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

            memory/4672-55-0x0000000001280000-0x0000000001281000-memory.dmp

            memory/4672-63-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

            memory/4672-103-0x0000000000010000-0x0000000000E3B000-memory.dmp

            memory/4672-56-0x0000000001290000-0x0000000001291000-memory.dmp

            memory/4672-59-0x0000000000010000-0x0000000000E3B000-memory.dmp

            memory/4672-58-0x00000000013A0000-0x00000000013A1000-memory.dmp

            memory/4672-71-0x0000000002FD0000-0x0000000003002000-memory.dmp

            memory/4672-70-0x0000000002FD0000-0x0000000003002000-memory.dmp

            memory/4672-69-0x0000000002FD0000-0x0000000003002000-memory.dmp

            memory/4672-68-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

            memory/4672-67-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

            memory/4672-64-0x0000000000010000-0x0000000000E3B000-memory.dmp

            memory/4672-62-0x0000000002FB0000-0x0000000002FB1000-memory.dmp