Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2022, 14:33

General

  • Target
    file.exe
  • Size 294KB
  • Sample221012-rwva1sffal
  • SHA256 79ca6bbd7ad67fbbb9a2a508ae1bca247c2ebdf9a4e929db068c8621df20d743
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • djvu

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

Attributes
  • extension

    .powz

  • offline_id

    tHl9RvVtHhFQisMomKMdXzz2soNLhV0cuok85it1

  • 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-oTIha7SI4s 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: 0581Jhyjd

rsa_pubkey.plain

Extracted

Family
  • vidar

Version
  • 55

Botnet
  • 517

C2
  • https://t.me/truewallets

  • https://mas.to/@zara99

  • http://116.203.10.3:80

Attributes
  • profile_id

    517

Signatures

  • Detected Djvu ransomware 9 IoCs
  • Detects Smokeloader packer 6 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 12 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Modifies file permissions 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 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⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:5048
  • C:\Users\Admin\AppData\Local\Temp\73BA.exe
    C:\Users\Admin\AppData\Local\Temp\73BA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Users\Admin\AppData\Local\Temp\73BA.exe
      C:\Users\Admin\AppData\Local\Temp\73BA.exe
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5000
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\fa7ca2db-da9c-4540-bfd6-675f980708a6" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4148
      • C:\Users\Admin\AppData\Local\Temp\73BA.exe
        "C:\Users\Admin\AppData\Local\Temp\73BA.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        PID:5112
        • C:\Users\Admin\AppData\Local\Temp\73BA.exe
          "C:\Users\Admin\AppData\Local\Temp\73BA.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          PID:2296
          • C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe
            "C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            PID:4048
            • C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe
              "C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe"
              6⤵
              • Executes dropped EXE
              PID:3236
          • C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build3.exe
            "C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build3.exe"
            5⤵
            • Executes dropped EXE
            PID:1700
            • 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⤵
              • Creates scheduled task(s)
              PID:1560
  • C:\Users\Admin\AppData\Local\Temp\8203.exe
    C:\Users\Admin\AppData\Local\Temp\8203.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4788
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2096
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:5024
      • C:\Users\Admin\AppData\Local\Temp\2D77.exe
        C:\Users\Admin\AppData\Local\Temp\2D77.exe
        1⤵
        • Executes dropped EXE
        PID:1800
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2256
        • C:\Users\Admin\AppData\Local\Temp\323A.exe
          C:\Users\Admin\AppData\Local\Temp\323A.exe
          1⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: MapViewOfSection
          PID:3200
        • C:\Users\Admin\AppData\Local\Temp\349D.exe
          C:\Users\Admin\AppData\Local\Temp\349D.exe
          1⤵
          • Executes dropped EXE
          PID:636
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 448
            2⤵
            • Program crash
            PID:2596
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1508
          • C:\Users\Admin\AppData\Local\Temp\38D4.exe
            C:\Users\Admin\AppData\Local\Temp\38D4.exe
            1⤵
            • Executes dropped EXE
            PID:3056
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
            • Accesses Microsoft Outlook profiles
            • outlook_office_path
            • outlook_win_path
            PID:4240
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1840
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:4300
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:4416
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:4808
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:2236
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 636 -ip 636
                      1⤵
                        PID:4744
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:3916

                        Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              2D77.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\2D77.exe
                              • Size 3.5MB
                              • SHA256 a8756585ef0e2e4e7479606e49a56e52c871c24b65c356b6b38f29cbae300ecc
                              • MD5 SHA1 SHA512 SSDEEP

                              2D77.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\2D77.exe
                              • Size 3.5MB
                              • SHA256 a8756585ef0e2e4e7479606e49a56e52c871c24b65c356b6b38f29cbae300ecc
                              • MD5 SHA1 SHA512 SSDEEP

                              323A.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\323A.exe
                              • Size 295KB
                              • SHA256 585aa73cfd8c72e977a43581170e43be41bdb52aa8420b302b484119a5a69a4a
                              • MD5 SHA1 SHA512 SSDEEP

                              323A.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\323A.exe
                              • Size 295KB
                              • SHA256 585aa73cfd8c72e977a43581170e43be41bdb52aa8420b302b484119a5a69a4a
                              • MD5 SHA1 SHA512 SSDEEP

                              349D.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\349D.exe
                              • Size 295KB
                              • SHA256 565c7afc0803040a46cce3faafc2121df15315eb2ba98318b88152b03d36e98a
                              • MD5 SHA1 SHA512 SSDEEP

                              349D.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\349D.exe
                              • Size 295KB
                              • SHA256 565c7afc0803040a46cce3faafc2121df15315eb2ba98318b88152b03d36e98a
                              • MD5 SHA1 SHA512 SSDEEP

                              38D4.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\38D4.exe
                              • Size 3.5MB
                              • SHA256 a8756585ef0e2e4e7479606e49a56e52c871c24b65c356b6b38f29cbae300ecc
                              • MD5 SHA1 SHA512 SSDEEP

                              38D4.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\38D4.exe
                              • Size 3.5MB
                              • SHA256 a8756585ef0e2e4e7479606e49a56e52c871c24b65c356b6b38f29cbae300ecc
                              • MD5 SHA1 SHA512 SSDEEP

                              73BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\73BA.exe
                              • Size 820KB
                              • SHA256 f1c33f28e91670ea07c5d3d0e0f4b974d98d2a80a193b8b5d5d4883188ee3470
                              • MD5 SHA1 SHA512 SSDEEP

                              73BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\73BA.exe
                              • Size 820KB
                              • SHA256 f1c33f28e91670ea07c5d3d0e0f4b974d98d2a80a193b8b5d5d4883188ee3470
                              • MD5 SHA1 SHA512 SSDEEP

                              73BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\73BA.exe
                              • Size 820KB
                              • SHA256 f1c33f28e91670ea07c5d3d0e0f4b974d98d2a80a193b8b5d5d4883188ee3470
                              • MD5 SHA1 SHA512 SSDEEP

                              73BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\73BA.exe
                              • Size 820KB
                              • SHA256 f1c33f28e91670ea07c5d3d0e0f4b974d98d2a80a193b8b5d5d4883188ee3470
                              • MD5 SHA1 SHA512 SSDEEP

                              73BA.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\73BA.exe
                              • Size 820KB
                              • SHA256 f1c33f28e91670ea07c5d3d0e0f4b974d98d2a80a193b8b5d5d4883188ee3470
                              • MD5 SHA1 SHA512 SSDEEP

                              8203.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\8203.exe
                              • Size 295KB
                              • SHA256 6cdd1360a9740b8daa42e6a853bcba8f9fb6edbb4ae50abe672101f3217b1905
                              • MD5 SHA1 SHA512 SSDEEP

                              8203.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\8203.exe
                              • Size 295KB
                              • SHA256 6cdd1360a9740b8daa42e6a853bcba8f9fb6edbb4ae50abe672101f3217b1905
                              • MD5 SHA1 SHA512 SSDEEP

                              build2.exe

                              • Path C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe
                              • Size 321KB
                              • SHA256 2a5101345def285c8f52ad39f00261ba9e0375d3de73206d0b8c72ce3b6259c6
                              • MD5 SHA1 SHA512 SSDEEP

                              build2.exe

                              • Path C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe
                              • Size 321KB
                              • SHA256 2a5101345def285c8f52ad39f00261ba9e0375d3de73206d0b8c72ce3b6259c6
                              • MD5 SHA1 SHA512 SSDEEP

                              build2.exe

                              • Path C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build2.exe
                              • Size 321KB
                              • SHA256 2a5101345def285c8f52ad39f00261ba9e0375d3de73206d0b8c72ce3b6259c6
                              • MD5 SHA1 SHA512 SSDEEP

                              build3.exe

                              • Path C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build3.exe
                              • Size 9KB
                              • SHA256 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
                              • MD5 SHA1 SHA512 SSDEEP

                              build3.exe

                              • Path C:\Users\Admin\AppData\Local\b8aab670-97b7-467d-9a92-3d499f605f3b\build3.exe
                              • Size 9KB
                              • SHA256 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
                              • MD5 SHA1 SHA512 SSDEEP

                              73BA.exe

                              • Path C:\Users\Admin\AppData\Local\fa7ca2db-da9c-4540-bfd6-675f980708a6\73BA.exe
                              • Size 820KB
                              • SHA256 f1c33f28e91670ea07c5d3d0e0f4b974d98d2a80a193b8b5d5d4883188ee3470
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/636-211-0x0000000000400000-0x000000000044F000-memory.dmp

                              memory/636-210-0x000000000067E000-0x000000000068F000-memory.dmp

                              memory/1508-188-0x0000000000F20000-0x0000000000F26000-memory.dmp

                              memory/1508-229-0x0000000000F20000-0x0000000000F26000-memory.dmp

                              memory/1508-180-0x0000000000F10000-0x0000000000F1C000-memory.dmp

                              memory/1800-163-0x0000000140000000-0x000000014060F000-memory.dmp

                              memory/1840-189-0x0000000000D30000-0x0000000000D52000-memory.dmp

                              memory/1840-190-0x0000000000D00000-0x0000000000D27000-memory.dmp

                              memory/1840-230-0x0000000000D30000-0x0000000000D52000-memory.dmp

                              memory/2096-169-0x0000000000FB0000-0x0000000000FBB000-memory.dmp

                              memory/2096-225-0x0000000000FC0000-0x0000000000FC7000-memory.dmp

                              memory/2096-168-0x0000000000FC0000-0x0000000000FC7000-memory.dmp

                              memory/2236-213-0x0000000000560000-0x000000000056D000-memory.dmp

                              memory/2236-233-0x0000000000570000-0x0000000000577000-memory.dmp

                              memory/2236-212-0x0000000000570000-0x0000000000577000-memory.dmp

                              memory/2256-178-0x0000000000A40000-0x0000000000A45000-memory.dmp

                              memory/2256-179-0x0000000000A30000-0x0000000000A39000-memory.dmp

                              memory/2256-228-0x0000000000A40000-0x0000000000A45000-memory.dmp

                              memory/2296-222-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/2296-219-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/2296-220-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/3056-186-0x0000000140000000-0x000000014060F000-memory.dmp

                              memory/3200-204-0x0000000000400000-0x000000000044F000-memory.dmp

                              memory/3200-208-0x0000000002050000-0x0000000002059000-memory.dmp

                              memory/3200-223-0x0000000000400000-0x000000000044F000-memory.dmp

                              memory/3200-207-0x0000000000450000-0x0000000000550000-memory.dmp

                              memory/3236-249-0x0000000000400000-0x0000000000463000-memory.dmp

                              memory/3236-243-0x0000000000400000-0x0000000000463000-memory.dmp

                              memory/3236-239-0x0000000000400000-0x0000000000463000-memory.dmp

                              memory/3916-227-0x0000000000960000-0x000000000096B000-memory.dmp

                              memory/3916-234-0x0000000000970000-0x0000000000978000-memory.dmp

                              memory/3916-226-0x0000000000970000-0x0000000000978000-memory.dmp

                              memory/4048-244-0x0000000000640000-0x000000000068F000-memory.dmp

                              memory/4048-242-0x00000000006BD000-0x00000000006E9000-memory.dmp

                              memory/4240-192-0x00000000001D0000-0x0000000000245000-memory.dmp

                              memory/4240-214-0x0000000000160000-0x00000000001CB000-memory.dmp

                              memory/4240-194-0x0000000000160000-0x00000000001CB000-memory.dmp

                              memory/4300-231-0x0000000000D20000-0x0000000000D25000-memory.dmp

                              memory/4300-199-0x0000000000D20000-0x0000000000D25000-memory.dmp

                              memory/4300-201-0x0000000000D10000-0x0000000000D19000-memory.dmp

                              memory/4416-200-0x0000000000FF0000-0x0000000000FFC000-memory.dmp

                              memory/4788-145-0x0000000000400000-0x000000000044F000-memory.dmp

                              memory/4788-143-0x00000000005EE000-0x00000000005FF000-memory.dmp

                              memory/4788-144-0x00000000004C0000-0x00000000004C9000-memory.dmp

                              memory/4788-154-0x0000000000400000-0x000000000044F000-memory.dmp

                              memory/4808-209-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

                              memory/4808-205-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

                              memory/4808-232-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

                              memory/4864-147-0x0000000002210000-0x000000000232B000-memory.dmp

                              memory/4864-146-0x0000000000674000-0x0000000000705000-memory.dmp

                              memory/5000-151-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/5000-203-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/5000-149-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/5000-152-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/5000-153-0x0000000000400000-0x0000000000537000-memory.dmp

                              memory/5024-159-0x00000000001E0000-0x00000000001EF000-memory.dmp

                              memory/5048-132-0x00000000005FF000-0x0000000000610000-memory.dmp

                              memory/5048-136-0x0000000000400000-0x000000000044E000-memory.dmp

                              memory/5048-135-0x00000000005FF000-0x0000000000610000-memory.dmp

                              memory/5048-134-0x0000000000400000-0x000000000044E000-memory.dmp

                              memory/5048-133-0x00000000009E0000-0x00000000009E9000-memory.dmp

                              memory/5112-218-0x0000000000936000-0x00000000009C7000-memory.dmp