Analysis

  • max time kernel
    75s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2022 10:05

General

  • Target

    fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe

  • Size

    778KB

  • MD5

    ffc82918bc86df0a1dd97029426cc893

  • SHA1

    6da97d9b204e1e3f610f45031c2e8fbd6d90df27

  • SHA256

    fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a

  • SHA512

    a68caf5b2c2226bb5c4e7855466f5905ebdfb62e5a1da2f31f7827cf9934ff60f89142a37c969a48882b23c6b0c1b65827d227a4f650b23ceaffe8e58dde549c

  • SSDEEP

    12288:p+b1D7kmP7AMmt3Wy1vqc7Ebq6wyYTrb+6gniM0VEoQI2f1Gf55yVSuQST3N07y8:prmPV8GuEbx9YvqVnFXt9O5SSI3NY7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .manw

  • offline_id

    M6quF9d1g2LNWnBiQpTSgbW26JwEOrFwFfT1xGt1

  • payload_url

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

    http://abibiall.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-67n37yZLXk 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: support@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0614JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

56.1

Botnet

517

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

Attributes
  • profile_id

    517

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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe
    "C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe
      "C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4732
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\7be0d5c5-24a6-4001-9740-5b98eb8e5c99" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2712
      • C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe
        "C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe
          "C:\Users\Admin\AppData\Local\Temp\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1720
          • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe
            "C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3380
            • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe
              "C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\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:5088
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe" & exit
                7⤵
                  PID:2452
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 6
                    8⤵
                    • Delays execution with timeout.exe
                    PID:2576
            • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build3.exe
              "C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build3.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:3572
              • 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:2312
    • 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:3240
      • 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:3156

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    File Permissions Modification

    1
    T1222

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    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\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
      Filesize

      2KB

      MD5

      a3ba06b0a900ef1f790d2d1faa188e08

      SHA1

      51f7daf4a2bd9c1a9d52bbb62989c7208b71cd98

      SHA256

      30d532e2ce3f53e0865186393000a9a8af1318ab251ebabb168b0bc84bebe4b9

      SHA512

      9ad7d398badf9c48caa8473f4e120a82eba1c37f4885fe19ec34d173821456653a14185bb628338555155035fd77c782525b32385036317140eadaf4918b8e5b

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
      Filesize

      1KB

      MD5

      59e98119dbb289e1c12576b7f5f58831

      SHA1

      d8e74af395a1976a9232d626215333931a3f23ce

      SHA256

      fa68e1f0d87d4ed9a1891e1760cc6c9c6c015547a982e8fb07e58f4d14e38c8f

      SHA512

      672d7926f26f36a8d2c3c3871d8c37249b2d376b2cad82ad01280d9680d0d18bdf65626db48120b7bca1a59ccc49c36b84a7e454235634376e14de03ce11b39c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
      Filesize

      488B

      MD5

      ab578467872244bcbedd2bc0081db94f

      SHA1

      92a6f1666805569a7d707b3942137504ee0a8a78

      SHA256

      2a01b15f380adc43abffcf405206f86e1aedb28a3c47a1f9f3a32040fab095df

      SHA512

      090f9f10fc6feac17d9b3f8f45b1971e5944c059387fc61dbfd07df72afddf6a6353174c3072cbdb54397a4911fbfad3ef3e88e3ae97bad2ba62098645d995aa

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
      Filesize

      482B

      MD5

      e0a7d73118bcc1394228cdc0537b9727

      SHA1

      26ae06cabb0693228986caff2ab716793b89e99c

      SHA256

      4f8afddffe122048cd4bfe6921b9a35b75ea6d70648caf9b2108273bc7834729

      SHA512

      6e7adbad4395e8cfe1169e5d6a331ca18e13f532faa60b4fc3fe098719c4d86828b7325488565db68e4f6e1e1a8199f08429dadc2bd901ad5c918feed2fe48e4

    • C:\Users\Admin\AppData\Local\7be0d5c5-24a6-4001-9740-5b98eb8e5c99\fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a.exe
      Filesize

      778KB

      MD5

      ffc82918bc86df0a1dd97029426cc893

      SHA1

      6da97d9b204e1e3f610f45031c2e8fbd6d90df27

      SHA256

      fbf762779612a38cdf8f04ffd44292acab2658b52671434db6edfa89e5d7a14a

      SHA512

      a68caf5b2c2226bb5c4e7855466f5905ebdfb62e5a1da2f31f7827cf9934ff60f89142a37c969a48882b23c6b0c1b65827d227a4f650b23ceaffe8e58dde549c

    • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe
      Filesize

      471KB

      MD5

      f56c8317f668ed043779b95bef8c849e

      SHA1

      894425839f074075f1179023547a6496ea6f2f70

      SHA256

      11b46637f618cfe5000dea3ebb0d2e0bc5bde585815b670a43f1e9259e4f9941

      SHA512

      a593e03621e5620aee91f998d27474e06cf3ea1c04b63e9c693054af5c205b75ece3f3b55b766c11c7c69767eaaacd7ec27de3b69decc066f0a301fabf759287

    • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe
      Filesize

      471KB

      MD5

      f56c8317f668ed043779b95bef8c849e

      SHA1

      894425839f074075f1179023547a6496ea6f2f70

      SHA256

      11b46637f618cfe5000dea3ebb0d2e0bc5bde585815b670a43f1e9259e4f9941

      SHA512

      a593e03621e5620aee91f998d27474e06cf3ea1c04b63e9c693054af5c205b75ece3f3b55b766c11c7c69767eaaacd7ec27de3b69decc066f0a301fabf759287

    • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build2.exe
      Filesize

      471KB

      MD5

      f56c8317f668ed043779b95bef8c849e

      SHA1

      894425839f074075f1179023547a6496ea6f2f70

      SHA256

      11b46637f618cfe5000dea3ebb0d2e0bc5bde585815b670a43f1e9259e4f9941

      SHA512

      a593e03621e5620aee91f998d27474e06cf3ea1c04b63e9c693054af5c205b75ece3f3b55b766c11c7c69767eaaacd7ec27de3b69decc066f0a301fabf759287

    • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build3.exe
      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\f91e053f-110a-4eea-a947-600376aa292b\build3.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

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

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • memory/1720-143-0x0000000000000000-mapping.dmp
    • memory/1720-192-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1720-145-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1720-147-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/1720-152-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/2312-159-0x0000000000000000-mapping.dmp
    • memory/2452-193-0x0000000000000000-mapping.dmp
    • memory/2712-139-0x0000000000000000-mapping.dmp
    • memory/2900-141-0x0000000000000000-mapping.dmp
    • memory/2900-146-0x00000000020F8000-0x0000000002189000-memory.dmp
      Filesize

      580KB

    • memory/3156-170-0x0000000000000000-mapping.dmp
    • memory/3380-153-0x0000000000000000-mapping.dmp
    • memory/3380-164-0x00000000004A2000-0x00000000004CE000-memory.dmp
      Filesize

      176KB

    • memory/3380-166-0x0000000000590000-0x00000000005DB000-memory.dmp
      Filesize

      300KB

    • memory/3572-156-0x0000000000000000-mapping.dmp
    • memory/4612-135-0x0000000002106000-0x0000000002197000-memory.dmp
      Filesize

      580KB

    • memory/4612-137-0x00000000021A0000-0x00000000022BB000-memory.dmp
      Filesize

      1.1MB

    • memory/4732-138-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/4732-132-0x0000000000000000-mapping.dmp
    • memory/4732-142-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/4732-134-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/4732-133-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/4732-136-0x0000000000400000-0x0000000000537000-memory.dmp
      Filesize

      1.2MB

    • memory/5088-165-0x0000000000400000-0x000000000045F000-memory.dmp
      Filesize

      380KB

    • memory/5088-171-0x0000000060900000-0x0000000060992000-memory.dmp
      Filesize

      584KB

    • memory/5088-160-0x0000000000000000-mapping.dmp
    • memory/5088-167-0x0000000000400000-0x000000000045F000-memory.dmp
      Filesize

      380KB

    • memory/5088-161-0x0000000000400000-0x000000000045F000-memory.dmp
      Filesize

      380KB

    • memory/5088-163-0x0000000000400000-0x000000000045F000-memory.dmp
      Filesize

      380KB

    • memory/5088-194-0x0000000000400000-0x000000000045F000-memory.dmp
      Filesize

      380KB