Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 11:31

General

  • Target
    file.exe
  • Size 133KB
  • Sample221002-nmpsdsefbj
  • SHA256 0bd5521e13456d00f759491dcd1b6eaceb8024a1ed4afd452df7f883642357fa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • djvu

C2
  • http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .adww

  • offline_id

    z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1

  • payload_url

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

    http://winnlinne.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. You can get and look video overview decrypt tool: https://we.tl/t-g28rVcqA58 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: 0573Jhyjd

rsa_pubkey.plain

Extracted

Family
  • raccoon

Botnet
  • 1a17d9aed7a239440deb75d7a177f406

C2
  • http://193.38.55.180/

rc4.plain

Extracted

Family
  • vidar

Version
  • 54.7

Botnet
  • 517

C2
  • https://t.me/trampapanam

  • https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Signatures

  • DcRat 4 IoCs

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Detected Djvu ransomware 10 IoCs
  • Detects Smokeloader packer 1 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 7 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 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.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • DcRat
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4876
  • C:\Users\Admin\AppData\Local\Temp\271.exe
    C:\Users\Admin\AppData\Local\Temp\271.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:71176
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C "wmic path win32_VideoController get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:71292
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic path win32_VideoController get name
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:71340
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C "wmic cpu get name"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:71376
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic cpu get name
        3⤵
          PID:71424
    • C:\Windows\system32\regsvr32.exe
      regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8BB.dll
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4000
      • C:\Windows\SysWOW64\regsvr32.exe
        /s C:\Users\Admin\AppData\Local\Temp\8BB.dll
        2⤵
        • Loads dropped DLL
        PID:1488
    • C:\Users\Admin\AppData\Local\Temp\9D5.exe
      C:\Users\Admin\AppData\Local\Temp\9D5.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Users\Admin\AppData\Local\Temp\9D5.exe
        C:\Users\Admin\AppData\Local\Temp\9D5.exe
        2⤵
        • DcRat
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:25924
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Users\Admin\AppData\Local\b2240cda-e832-4573-9c6f-5757ee7f721b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
          3⤵
          • Modifies file permissions
          PID:71272
        • C:\Users\Admin\AppData\Local\Temp\9D5.exe
          "C:\Users\Admin\AppData\Local\Temp\9D5.exe" --Admin IsNotAutoStart IsNotTask
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:71564
          • C:\Users\Admin\AppData\Local\Temp\9D5.exe
            "C:\Users\Admin\AppData\Local\Temp\9D5.exe" --Admin IsNotAutoStart IsNotTask
            4⤵
            • Executes dropped EXE
            • Checks computer location settings
            PID:204
            • C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe
              "C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:2032
              • C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe
                "C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe"
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Checks processor information in registry
                PID:3840
            • C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build3.exe
              "C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build3.exe"
              5⤵
              • Executes dropped EXE
              PID:900
              • C:\Windows\SysWOW64\schtasks.exe
                /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
                6⤵
                • DcRat
                • Creates scheduled task(s)
                PID:5048
    • C:\Users\Admin\AppData\Local\Temp\D80.exe
      C:\Users\Admin\AppData\Local\Temp\D80.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        2⤵
        • Loads dropped DLL
        PID:71108
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      1⤵
      • Accesses Microsoft Outlook profiles
      • outlook_office_path
      • outlook_win_path
      PID:428
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:21460
      • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
        1⤵
        • Executes dropped EXE
        PID:3824
        • C:\Windows\SysWOW64\schtasks.exe
          /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
          2⤵
          • DcRat
          • Creates scheduled task(s)
          PID:828

      Network

            MITRE ATT&CK Enterprise v6

            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

            07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
            • Size 2KB
            • SHA256 bcb8d4f0e605ffe557f9f3d23291e2212f39acfa1df9f24331a4075810555839
            • MD5 SHA1 SHA512

            B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
            • Size 1KB
            • SHA256 f2c2e4c4cb0138ea54016a5b4e248a37f10c3ce22ad3ac85f8509a9692d0394b
            • MD5 SHA1 SHA512

            07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
            • Size 488B
            • SHA256 439ca1572be901c0615aa4bd8062b2817d159292e36df7daab985a32f2f5a9cc
            • MD5 SHA1 SHA512

            B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
            • Size 482B
            • SHA256 e725cc3251e354c95ab1c3e4bba73a8290dac148dde0c38c2987aa07fd6c1cfb
            • MD5 SHA1 SHA512

            mozglue.dll

            • Path C:\Users\Admin\AppData\LocalLow\mozglue.dll
            • Size 612KB
            • SHA256 4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
            • MD5 SHA1 SHA512 SSDEEP

            nss3.dll

            • Path C:\Users\Admin\AppData\LocalLow\nss3.dll
            • Size 1.9MB
            • SHA256 c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
            • MD5 SHA1 SHA512 SSDEEP

            sqlite3.dll

            • Path C:\Users\Admin\AppData\LocalLow\sqlite3.dll
            • Size 1.0MB
            • SHA256 47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
            • MD5 SHA1 SHA512 SSDEEP

            271.exe

            • Path C:\Users\Admin\AppData\Local\Temp\271.exe
            • Size 4.3MB
            • SHA256 d9afb8bbca758ba120b6c1c51e45168d08ce6c4af8506139c7530ee2f094ca57
            • MD5 SHA1 SHA512 SSDEEP

            271.exe

            • Path C:\Users\Admin\AppData\Local\Temp\271.exe
            • Size 4.3MB
            • SHA256 d9afb8bbca758ba120b6c1c51e45168d08ce6c4af8506139c7530ee2f094ca57
            • MD5 SHA1 SHA512 SSDEEP

            8BB.dll

            • Path C:\Users\Admin\AppData\Local\Temp\8BB.dll
            • Size 1.7MB
            • SHA256 b74248ab731d5e95ee7dd6c6191d751e4d8a3a1576f3e7ac46c2d74364af7dd8
            • MD5 SHA1 SHA512 SSDEEP

            8BB.dll

            • Path C:\Users\Admin\AppData\Local\Temp\8BB.dll
            • Size 1.7MB
            • SHA256 b74248ab731d5e95ee7dd6c6191d751e4d8a3a1576f3e7ac46c2d74364af7dd8
            • MD5 SHA1 SHA512 SSDEEP

            8BB.dll

            • Path C:\Users\Admin\AppData\Local\Temp\8BB.dll
            • Size 1.7MB
            • SHA256 b74248ab731d5e95ee7dd6c6191d751e4d8a3a1576f3e7ac46c2d74364af7dd8
            • MD5 SHA1 SHA512 SSDEEP

            9D5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\9D5.exe
            • Size 651KB
            • SHA256 cbc1759cb8c276d49f7445bfd6f190971181a3d9b460990074ae11ff855d6d3f
            • MD5 SHA1 SHA512 SSDEEP

            9D5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\9D5.exe
            • Size 651KB
            • SHA256 cbc1759cb8c276d49f7445bfd6f190971181a3d9b460990074ae11ff855d6d3f
            • MD5 SHA1 SHA512 SSDEEP

            9D5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\9D5.exe
            • Size 651KB
            • SHA256 cbc1759cb8c276d49f7445bfd6f190971181a3d9b460990074ae11ff855d6d3f
            • MD5 SHA1 SHA512 SSDEEP

            9D5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\9D5.exe
            • Size 651KB
            • SHA256 cbc1759cb8c276d49f7445bfd6f190971181a3d9b460990074ae11ff855d6d3f
            • MD5 SHA1 SHA512 SSDEEP

            9D5.exe

            • Path C:\Users\Admin\AppData\Local\Temp\9D5.exe
            • Size 651KB
            • SHA256 cbc1759cb8c276d49f7445bfd6f190971181a3d9b460990074ae11ff855d6d3f
            • MD5 SHA1 SHA512 SSDEEP

            D80.exe

            • Path C:\Users\Admin\AppData\Local\Temp\D80.exe
            • Size 2.5MB
            • SHA256 1f228c1ad9beeb47afd2a6cc866f132ae1fdda7983e6f1e299549aeeac8dda8c
            • MD5 SHA1 SHA512 SSDEEP

            D80.exe

            • Path C:\Users\Admin\AppData\Local\Temp\D80.exe
            • Size 2.5MB
            • SHA256 1f228c1ad9beeb47afd2a6cc866f132ae1fdda7983e6f1e299549aeeac8dda8c
            • MD5 SHA1 SHA512 SSDEEP

            9D5.exe

            • Path C:\Users\Admin\AppData\Local\b2240cda-e832-4573-9c6f-5757ee7f721b\9D5.exe
            • Size 651KB
            • SHA256 cbc1759cb8c276d49f7445bfd6f190971181a3d9b460990074ae11ff855d6d3f
            • MD5 SHA1 SHA512 SSDEEP

            build2.exe

            • Path C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe
            • Size 418KB
            • SHA256 06d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
            • MD5 SHA1 SHA512 SSDEEP

            build2.exe

            • Path C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe
            • Size 418KB
            • SHA256 06d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
            • MD5 SHA1 SHA512 SSDEEP

            build2.exe

            • Path C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build2.exe
            • Size 418KB
            • SHA256 06d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
            • MD5 SHA1 SHA512 SSDEEP

            build3.exe

            • Path C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build3.exe
            • Size 9KB
            • SHA256 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
            • MD5 SHA1 SHA512 SSDEEP

            build3.exe

            • Path C:\Users\Admin\AppData\Local\ca2cf03b-1c21-4a58-84dd-e454f420d6a4\build3.exe
            • Size 9KB
            • SHA256 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
            • MD5 SHA1 SHA512 SSDEEP

            mstsca.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
            • Size 9KB
            • SHA256 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
            • MD5 SHA1 SHA512 SSDEEP

            mstsca.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
            • Size 9KB
            • SHA256 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
            • MD5 SHA1 SHA512 SSDEEP

            memory/204-205-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/204-198-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/204-200-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/204-223-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/428-165-0x0000000000D00000-0x0000000000D6B000-memory.dmp

            memory/428-153-0x0000000000D70000-0x0000000000DE5000-memory.dmp

            memory/428-154-0x0000000000D00000-0x0000000000D6B000-memory.dmp

            memory/1044-206-0x0000000002330000-0x000000000244B000-memory.dmp

            memory/1044-163-0x0000000002330000-0x000000000244B000-memory.dmp

            memory/1044-162-0x0000000002150000-0x00000000021E2000-memory.dmp

            memory/1488-183-0x0000000002AE0000-0x0000000002C18000-memory.dmp

            memory/1488-145-0x0000000002340000-0x00000000024F3000-memory.dmp

            memory/1488-190-0x0000000002C30000-0x0000000002CEE000-memory.dmp

            memory/1488-191-0x0000000002D00000-0x0000000002DA9000-memory.dmp

            memory/1488-194-0x0000000002AE0000-0x0000000002C18000-memory.dmp

            memory/1488-182-0x0000000002860000-0x000000000299E000-memory.dmp

            memory/2032-221-0x00000000004CE000-0x00000000004F7000-memory.dmp

            memory/2032-219-0x0000000000800000-0x0000000000847000-memory.dmp

            memory/2032-214-0x00000000004CE000-0x00000000004F7000-memory.dmp

            memory/3840-220-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/3840-242-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/3840-224-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/3840-222-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/3840-218-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/3840-216-0x0000000000400000-0x000000000045B000-memory.dmp

            memory/4876-132-0x000000000093D000-0x000000000094D000-memory.dmp

            memory/4876-134-0x0000000000400000-0x000000000057E000-memory.dmp

            memory/4876-136-0x0000000000400000-0x000000000057E000-memory.dmp

            memory/4876-135-0x000000000093D000-0x000000000094D000-memory.dmp

            memory/4876-133-0x00000000008D0000-0x00000000008D9000-memory.dmp

            memory/21460-157-0x0000000000340000-0x000000000034C000-memory.dmp

            memory/25924-164-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/25924-160-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/25924-188-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/25924-161-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/25924-158-0x0000000000400000-0x0000000000537000-memory.dmp

            memory/71108-174-0x0000000000400000-0x0000000000414000-memory.dmp

            memory/71108-167-0x0000000000400000-0x0000000000414000-memory.dmp

            memory/71564-199-0x00000000022B8000-0x000000000234A000-memory.dmp