Analysis

  • max time kernel
    191s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 01:51

General

  • Target
    32191aee56b30023f3cd0a6f4e484163.exe
  • Size 139KB
  • Sample221130-b9tnmsgb93
  • SHA256 f58752f637bec33f5c6032a0b001f7f6fb3f8ffc6b16be12e69e7a7c42260bc2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 193.56.146.194/h49vlBP/index.php

Extracted

Family
  • djvu

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

Attributes
  • extension

    .kcbu

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • payload_url

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

    http://fresherlights.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-lj5qINGbTc 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: 0608Jhyjd

rsa_pubkey.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • DcRat

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

  • Detected Djvu ransomware 6 IoCs
  • Detects Smokeloader packer 3 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 9 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

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

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

  • Drops Chrome extension 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32191aee56b30023f3cd0a6f4e484163.exe
    "C:\Users\Admin\AppData\Local\Temp\32191aee56b30023f3cd0a6f4e484163.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3800
  • C:\Users\Admin\AppData\Local\Temp\13D1.exe
    C:\Users\Admin\AppData\Local\Temp\13D1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Users\Admin\AppData\Local\Temp\13D1.exe
      C:\Users\Admin\AppData\Local\Temp\13D1.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Checks computer location settings
      • Drops Chrome extension
      • Suspicious use of WriteProcessMemory
      PID:4564
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" "https://search-spd.com/reginst/prg/2be01456/102/0/"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2860
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xf8,0x108,0x7ff954f546f8,0x7ff954f54708,0x7ff954f54718
          4⤵
            PID:3128
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,3372621492151370691,14520514664747146190,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
            4⤵
              PID:5072
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2096,3372621492151370691,14520514664747146190,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2332 /prefetch:3
              4⤵
                PID:4144
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" "https://search-spd.com/reginst/prg/2be01456/102/0/"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2632
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff955144f50,0x7ff955144f60,0x7ff955144f70
                4⤵
                  PID:3764
          • C:\Users\Admin\AppData\Local\Temp\96CD.exe
            C:\Users\Admin\AppData\Local\Temp\96CD.exe
            1⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:4888
            • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
              "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
              2⤵
              • Executes dropped EXE
              • Checks computer location settings
              PID:3392
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
                3⤵
                • Creates scheduled task(s)
                PID:1628
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 1140
              2⤵
              • Program crash
              PID:4160
          • C:\Users\Admin\AppData\Local\Temp\C253.exe
            C:\Users\Admin\AppData\Local\Temp\C253.exe
            1⤵
            • Executes dropped EXE
            • Checks SCSI registry key(s)
            • Suspicious behavior: MapViewOfSection
            PID:2900
          • C:\Users\Admin\AppData\Local\Temp\C820.exe
            C:\Users\Admin\AppData\Local\Temp\C820.exe
            1⤵
            • Executes dropped EXE
            PID:3172
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 344
              2⤵
              • Program crash
              PID:2480
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3172 -ip 3172
            1⤵
              PID:1176
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4888 -ip 4888
              1⤵
                PID:3996
              • C:\Users\Admin\AppData\Local\Temp\2A46.exe
                C:\Users\Admin\AppData\Local\Temp\2A46.exe
                1⤵
                • Executes dropped EXE
                • Checks SCSI registry key(s)
                • Suspicious behavior: MapViewOfSection
                PID:4168
              • C:\Users\Admin\AppData\Local\Temp\4031.exe
                C:\Users\Admin\AppData\Local\Temp\4031.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1604
                • C:\Users\Admin\AppData\Local\Temp\4031.exe
                  C:\Users\Admin\AppData\Local\Temp\4031.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2856
              • C:\Windows\system32\regsvr32.exe
                regsvr32 /s C:\Users\Admin\AppData\Local\Temp\539B.dll
                1⤵
                  PID:888
                  • C:\Windows\SysWOW64\regsvr32.exe
                    /s C:\Users\Admin\AppData\Local\Temp\539B.dll
                    2⤵
                    • Loads dropped DLL
                    PID:4220
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:3164
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:2744

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          Preferences

                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                          • Size 3KB
                          • SHA256 5016dfdfe36f906ddc2367a611bf43a797c05b471d6d468de80029deb55a68c7
                          • MD5 SHA1 SHA512

                          Secure Preferences

                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences
                          • Size 26KB
                          • SHA256 da9d83bfd69394f52a7bc255718878e91dd3dda8c6f350e9d4923555948da80d
                          • MD5 SHA1 SHA512 SSDEEP

                          Local State

                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                          • Size 2KB
                          • SHA256 9ae61e77f7dd10fa3b39b3089828ad80cf54cc39b4da79d463d9a21cf60d1e5f
                          • MD5 SHA1 SHA512

                          13D1.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\13D1.exe
                          • Size 2.0MB
                          • SHA256 6ba14148ff3ce0ee93f4d2641677ac454aa0187821cba41c8eb03212a8c04fe2
                          • MD5 SHA1 SHA512 SSDEEP

                          13D1.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\13D1.exe
                          • Size 2.0MB
                          • SHA256 6ba14148ff3ce0ee93f4d2641677ac454aa0187821cba41c8eb03212a8c04fe2
                          • MD5 SHA1 SHA512 SSDEEP

                          2A46.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\2A46.exe
                          • Size 145KB
                          • SHA256 d5a968ac26088c67a4a668e5075312c519603a72196e65d007ac7e7578bb09a6
                          • MD5 SHA1 SHA512 SSDEEP

                          2A46.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\2A46.exe
                          • Size 145KB
                          • SHA256 d5a968ac26088c67a4a668e5075312c519603a72196e65d007ac7e7578bb09a6
                          • MD5 SHA1 SHA512 SSDEEP

                          4031.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\4031.exe
                          • Size 664KB
                          • SHA256 31d1c9ba7504d32f1efd0627c8c1f99cfde21b78d23c9ff31d0517ff0faa2f5f
                          • MD5 SHA1 SHA512 SSDEEP

                          4031.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\4031.exe
                          • Size 664KB
                          • SHA256 31d1c9ba7504d32f1efd0627c8c1f99cfde21b78d23c9ff31d0517ff0faa2f5f
                          • MD5 SHA1 SHA512 SSDEEP

                          4031.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\4031.exe
                          • Size 664KB
                          • SHA256 31d1c9ba7504d32f1efd0627c8c1f99cfde21b78d23c9ff31d0517ff0faa2f5f
                          • MD5 SHA1 SHA512 SSDEEP

                          rovwer.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                          • Size 204KB
                          • SHA256 8258ef6191150a9b6610f72c9b584e0e6c71e20fbfaa0e5299375d59427d0fee
                          • MD5 SHA1 SHA512 SSDEEP

                          rovwer.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
                          • Size 204KB
                          • SHA256 8258ef6191150a9b6610f72c9b584e0e6c71e20fbfaa0e5299375d59427d0fee
                          • MD5 SHA1 SHA512 SSDEEP

                          539B.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\539B.dll
                          • Size 1.6MB
                          • SHA256 0e422ea10325132a49fff04f4ef12774548e370eb3d9ccd4ee8fb66df926e65b
                          • MD5 SHA1 SHA512 SSDEEP

                          539B.dll

                          • Path C:\Users\Admin\AppData\Local\Temp\539B.dll
                          • Size 1.6MB
                          • SHA256 0e422ea10325132a49fff04f4ef12774548e370eb3d9ccd4ee8fb66df926e65b
                          • MD5 SHA1 SHA512 SSDEEP

                          96CD.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\96CD.exe
                          • Size 204KB
                          • SHA256 8258ef6191150a9b6610f72c9b584e0e6c71e20fbfaa0e5299375d59427d0fee
                          • MD5 SHA1 SHA512 SSDEEP

                          96CD.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\96CD.exe
                          • Size 204KB
                          • SHA256 8258ef6191150a9b6610f72c9b584e0e6c71e20fbfaa0e5299375d59427d0fee
                          • MD5 SHA1 SHA512 SSDEEP

                          C253.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\C253.exe
                          • Size 139KB
                          • SHA256 e5f9a09271a50978fbe49763e8cb281930e5df2ab2aa87b94f02f4f97d95e8a4
                          • MD5 SHA1 SHA512 SSDEEP

                          C253.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\C253.exe
                          • Size 139KB
                          • SHA256 e5f9a09271a50978fbe49763e8cb281930e5df2ab2aa87b94f02f4f97d95e8a4
                          • MD5 SHA1 SHA512 SSDEEP

                          C820.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\C820.exe
                          • Size 146KB
                          • SHA256 376e609693ea719f52862dd6278502cb0af63bc6a5c999d5959b943f4ef270ee
                          • MD5 SHA1 SHA512 SSDEEP

                          C820.exe

                          • Path C:\Users\Admin\AppData\Local\Temp\C820.exe
                          • Size 146KB
                          • SHA256 376e609693ea719f52862dd6278502cb0af63bc6a5c999d5959b943f4ef270ee
                          • MD5 SHA1 SHA512 SSDEEP

                          hosts

                          • Path C:\Windows\system32\drivers\etc\hosts
                          • Size 1KB
                          • SHA256 d3834400ae484a92575e325d9e64802d07a0f2a28ff76fb1aef48dbce32b931f
                          • MD5 SHA1 SHA512

                          memory/1604-196-0x0000000002105000-0x0000000002196000-memory.dmp

                          memory/1604-197-0x0000000002250000-0x000000000236B000-memory.dmp

                          memory/2744-203-0x0000000000A80000-0x0000000000A8C000-memory.dmp

                          memory/2744-202-0x0000000000A90000-0x0000000000A97000-memory.dmp

                          memory/2856-195-0x0000000000400000-0x0000000000537000-memory.dmp

                          memory/2856-207-0x0000000000400000-0x0000000000537000-memory.dmp

                          memory/2856-199-0x0000000000400000-0x0000000000537000-memory.dmp

                          memory/2856-193-0x0000000000400000-0x0000000000537000-memory.dmp

                          memory/2900-163-0x0000000000400000-0x0000000000459000-memory.dmp

                          memory/2900-161-0x00000000006DD000-0x00000000006ED000-memory.dmp

                          memory/2900-162-0x00000000004D0000-0x00000000004D9000-memory.dmp

                          memory/2900-173-0x0000000000400000-0x0000000000459000-memory.dmp

                          memory/3164-209-0x0000000000600000-0x000000000066B000-memory.dmp

                          memory/3164-208-0x0000000000670000-0x00000000006E5000-memory.dmp

                          memory/3172-165-0x0000000000400000-0x000000000045A000-memory.dmp

                          memory/3172-164-0x00000000006FD000-0x000000000070D000-memory.dmp

                          memory/3392-172-0x0000000000400000-0x0000000000469000-memory.dmp

                          memory/3392-170-0x000000000060C000-0x000000000062B000-memory.dmp

                          memory/3392-175-0x000000000060C000-0x000000000062B000-memory.dmp

                          memory/3392-171-0x0000000002090000-0x00000000020CE000-memory.dmp

                          memory/3800-135-0x0000000000400000-0x0000000000458000-memory.dmp

                          memory/3800-133-0x00000000004D0000-0x00000000004D9000-memory.dmp

                          memory/3800-134-0x0000000000400000-0x0000000000458000-memory.dmp

                          memory/3800-132-0x000000000067D000-0x000000000068E000-memory.dmp

                          memory/3824-138-0x0000000004AB1000-0x0000000004C6C000-memory.dmp

                          memory/3824-139-0x0000000004C70000-0x000000000503F000-memory.dmp

                          memory/4168-186-0x00000000005A0000-0x00000000005A9000-memory.dmp

                          memory/4168-205-0x0000000000400000-0x000000000045A000-memory.dmp

                          memory/4168-204-0x000000000077D000-0x000000000078D000-memory.dmp

                          memory/4168-187-0x0000000000400000-0x000000000045A000-memory.dmp

                          memory/4168-185-0x000000000077D000-0x000000000078D000-memory.dmp

                          memory/4564-149-0x0000000000400000-0x00000000007DC000-memory.dmp

                          memory/4564-141-0x0000000000400000-0x00000000007DC000-memory.dmp

                          memory/4564-143-0x0000000000400000-0x00000000007DC000-memory.dmp

                          memory/4564-144-0x0000000000400000-0x00000000007DC000-memory.dmp

                          memory/4564-145-0x0000000000400000-0x00000000007DC000-memory.dmp

                          memory/4888-153-0x000000000053D000-0x000000000055C000-memory.dmp

                          memory/4888-154-0x0000000002090000-0x00000000020CE000-memory.dmp

                          memory/4888-174-0x0000000000400000-0x0000000000469000-memory.dmp

                          memory/4888-166-0x0000000000400000-0x0000000000469000-memory.dmp