Analysis

  • max time kernel
    100s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2023, 03:36

General

  • Target

    8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe

  • Size

    728KB

  • MD5

    2da6d4339db80838dc502db0b617cb73

  • SHA1

    8ddff06b81d2730a5c0936b58fb09a152e2d344c

  • SHA256

    8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825

  • SHA512

    c8c79587f89ee67a05b4ba21948c1ae4c4685be17dc84d7d2406578ac64ee43f898ebb3e79f7c3668e8bded1598a59be9bf42fd9127064c5945d65fef9c68241

  • SSDEEP

    12288:+3oNJLaCPOdT2vjjbRSoXl5EdcIzHDdnKmMrGjkAhiLKsV6a/CMyPDCKAZs:+4NJLapT0JSc58n1D3iPd/YPD7A

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .poqw

  • offline_id

    ZMk7348t4yGVy3t2uxofhOwYXOGjluI9PiRO8dt1

  • payload_url

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

    http://spaceris.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-GTrvfBi8hs 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: 0632JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2

Botnet

19

C2

https://t.me/tgdatapacks

https://steamcommunity.com/profiles/76561199469677637

Attributes
  • profile_id

    19

Signatures

  • Detected Djvu ransomware 10 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 2 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 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe
    "C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe
      "C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\682eb939-1c5e-4131-aa53-1f87b19be51c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1632
      • C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe
        "C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe
          "C:\Users\Admin\AppData\Local\Temp\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3924
          • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe
            "C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:620
            • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe
              "C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe"
              6⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1412
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1244
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:1608
          • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build3.exe
            "C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1536
            • 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:3260
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4136
    • 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⤵
      • Creates scheduled task(s)
      PID:3408

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe

    Filesize

    422KB

    MD5

    866933fee5234be619d89a6d6a60bd88

    SHA1

    fd279d026264dbb75ea46be965ea163d94d67f0c

    SHA256

    ab6396ad69a961a9f879e58725ed66fa01f7add478b61cbaf4db1f26a9e47185

    SHA512

    fab7b9cfa5c38cff35068334b8525fcc1c6a5ca694f379db3322fc1bd8df9bbfa3446504297fec4c42c55e805fee2be9f96a3eff8eed7db72816a080aff7933d

  • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe

    Filesize

    422KB

    MD5

    866933fee5234be619d89a6d6a60bd88

    SHA1

    fd279d026264dbb75ea46be965ea163d94d67f0c

    SHA256

    ab6396ad69a961a9f879e58725ed66fa01f7add478b61cbaf4db1f26a9e47185

    SHA512

    fab7b9cfa5c38cff35068334b8525fcc1c6a5ca694f379db3322fc1bd8df9bbfa3446504297fec4c42c55e805fee2be9f96a3eff8eed7db72816a080aff7933d

  • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build2.exe

    Filesize

    422KB

    MD5

    866933fee5234be619d89a6d6a60bd88

    SHA1

    fd279d026264dbb75ea46be965ea163d94d67f0c

    SHA256

    ab6396ad69a961a9f879e58725ed66fa01f7add478b61cbaf4db1f26a9e47185

    SHA512

    fab7b9cfa5c38cff35068334b8525fcc1c6a5ca694f379db3322fc1bd8df9bbfa3446504297fec4c42c55e805fee2be9f96a3eff8eed7db72816a080aff7933d

  • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\590ec89d-37ac-40de-bd4e-4eb0d42f23ba\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\682eb939-1c5e-4131-aa53-1f87b19be51c\8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825.exe

    Filesize

    728KB

    MD5

    2da6d4339db80838dc502db0b617cb73

    SHA1

    8ddff06b81d2730a5c0936b58fb09a152e2d344c

    SHA256

    8200ffefbaed4d91a44172a25273bfba65b0676c2f1045568d05a80cf4772825

    SHA512

    c8c79587f89ee67a05b4ba21948c1ae4c4685be17dc84d7d2406578ac64ee43f898ebb3e79f7c3668e8bded1598a59be9bf42fd9127064c5945d65fef9c68241

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • memory/620-161-0x0000000001F80000-0x0000000001FCC000-memory.dmp

    Filesize

    304KB

  • memory/620-159-0x00000000006BD000-0x00000000006EA000-memory.dmp

    Filesize

    180KB

  • memory/1240-142-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1240-133-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1240-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1240-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1240-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/1412-160-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/1412-162-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/1412-187-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/1412-157-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/1412-165-0x00000000509A0000-0x0000000050A32000-memory.dmp

    Filesize

    584KB

  • memory/1412-163-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/1884-146-0x000000000487D000-0x000000000490E000-memory.dmp

    Filesize

    580KB

  • memory/3924-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3924-145-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3924-164-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3924-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4620-135-0x0000000004996000-0x0000000004A27000-memory.dmp

    Filesize

    580KB

  • memory/4620-136-0x0000000004B10000-0x0000000004C2B000-memory.dmp

    Filesize

    1.1MB