Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 07:29

General

  • Target

    1c37c947943a928e5378931ca23d3379_JaffaCakes118.exe

  • Size

    2.0MB

  • MD5

    1c37c947943a928e5378931ca23d3379

  • SHA1

    570eead825c666609b7f7d94de4ff90a86cacb94

  • SHA256

    217d101b037020cbcdd9fb7e67b2dae7ed3e8467b0dad1ca1ac0a160dc39fb48

  • SHA512

    70b16ed622c6cbf75e1e20c08f6415e0ed055c1b1ac9528e98713079bc93eefde4c67a06b8ba20265eafeeb7eb25c21c20f6d74ad00896533638ef6759683ace

  • SSDEEP

    49152:0/PdqNddtNfBTXtF7tcEXwNBn+fxl7LI4mfe7mEttebsA8EnqN2U:0/PQNdjjtF7rSn+7LCfLE/eJH

Malware Config

Extracted

Path

C:\Program Files (x86)\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI strain. As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly. If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value. To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.best YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. ---BEGIN ID--- WIzXR2lGvuQk29m1PY7u4rlctcqqD9r7P8cxcChaQuFbVn9c3SEhznrejtQj3jBf ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.best

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (7102) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 31 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c37c947943a928e5378931ca23d3379_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c37c947943a928e5378931ca23d3379_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 696
      2⤵
      • Program crash
      PID:2136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 760
      2⤵
      • Program crash
      PID:4576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 764
      2⤵
      • Program crash
      PID:2844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 868
      2⤵
      • Program crash
      PID:872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 860
      2⤵
      • Program crash
      PID:4744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 924
      2⤵
      • Program crash
      PID:1744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 848
      2⤵
      • Program crash
      PID:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 852
      2⤵
      • Program crash
      PID:1944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 928
      2⤵
      • Program crash
      PID:1204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 876
      2⤵
      • Program crash
      PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 952
      2⤵
      • Program crash
      PID:2408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 880
      2⤵
      • Program crash
      PID:1524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 948
      2⤵
      • Program crash
      PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 836
      2⤵
      • Program crash
      PID:4104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 876
      2⤵
      • Program crash
      PID:2968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 940
      2⤵
      • Program crash
      PID:1584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 860
      2⤵
      • Program crash
      PID:5020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 948
      2⤵
      • Program crash
      PID:4416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 972
      2⤵
      • Program crash
      PID:2800
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E1E556A4-64A2-49F2-9F43-131343388228}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3280
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{E1E556A4-64A2-49F2-9F43-131343388228}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1112
      2⤵
      • Program crash
      PID:4744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1132
      2⤵
      • Program crash
      PID:2756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 2272
      2⤵
      • Program crash
      PID:2480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1144
      2⤵
      • Program crash
      PID:2848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 2100
      2⤵
      • Program crash
      PID:1852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1076
      2⤵
      • Program crash
      PID:4116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 928
      2⤵
      • Program crash
      PID:3644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 924
      2⤵
      • Program crash
      PID:3216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 888
      2⤵
      • Program crash
      PID:3316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 908
      2⤵
      • Program crash
      PID:3328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 720
      2⤵
      • Program crash
      PID:4976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1080
      2⤵
      • Program crash
      PID:2392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 836
      2⤵
      • Program crash
      PID:2932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4872 -ip 4872
    1⤵
      PID:4284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4872 -ip 4872
      1⤵
        PID:824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4872 -ip 4872
        1⤵
          PID:2564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4872 -ip 4872
          1⤵
            PID:4704
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4872 -ip 4872
            1⤵
              PID:4852
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4872 -ip 4872
              1⤵
                PID:5080
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4872 -ip 4872
                1⤵
                  PID:1696
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4872 -ip 4872
                  1⤵
                    PID:4808
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4872 -ip 4872
                    1⤵
                      PID:3424
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4872 -ip 4872
                      1⤵
                        PID:1616
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4872 -ip 4872
                        1⤵
                          PID:2620
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4872 -ip 4872
                          1⤵
                            PID:960
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4872 -ip 4872
                            1⤵
                              PID:492
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4872 -ip 4872
                              1⤵
                                PID:4984
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4872 -ip 4872
                                1⤵
                                  PID:1804
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4872 -ip 4872
                                  1⤵
                                    PID:2380
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4872 -ip 4872
                                    1⤵
                                      PID:2324
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4872 -ip 4872
                                      1⤵
                                        PID:4432
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4872 -ip 4872
                                        1⤵
                                          PID:1536
                                        • C:\Windows\system32\vssvc.exe
                                          C:\Windows\system32\vssvc.exe
                                          1⤵
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:3580
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4872 -ip 4872
                                          1⤵
                                            PID:4776
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4872 -ip 4872
                                            1⤵
                                              PID:2392
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4872 -ip 4872
                                              1⤵
                                                PID:4572
                                              • C:\Windows\SysWOW64\WerFault.exe
                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4872 -ip 4872
                                                1⤵
                                                  PID:4016
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4872 -ip 4872
                                                  1⤵
                                                    PID:4440
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4872 -ip 4872
                                                    1⤵
                                                      PID:3016
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4872 -ip 4872
                                                      1⤵
                                                        PID:1212
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 4872 -ip 4872
                                                        1⤵
                                                          PID:2588
                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4872 -ip 4872
                                                          1⤵
                                                            PID:3420
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4872 -ip 4872
                                                            1⤵
                                                              PID:3776
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4872 -ip 4872
                                                              1⤵
                                                                PID:1884
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4872 -ip 4872
                                                                1⤵
                                                                  PID:4844
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4872 -ip 4872
                                                                  1⤵
                                                                    PID:3860

                                                                  Network

                                                                  MITRE ATT&CK Enterprise v15

                                                                  Replay Monitor

                                                                  Loading Replay Monitor...

                                                                  Downloads

                                                                  • C:\Program Files (x86)\readme.txt

                                                                    Filesize

                                                                    1KB

                                                                    MD5

                                                                    8f6296784a2d2a437c579768503f8737

                                                                    SHA1

                                                                    937b7bab4c20d01d8c9d324c830a14f73cb534a8

                                                                    SHA256

                                                                    946ca299d775712a93ca6d5daf44b96c986385a584001bf40730eebe86df9071

                                                                    SHA512

                                                                    f798844b0b44ee8baeba06caf9ac994bc8ad454a9923894567f04154eeeaccd5a171262bf8d0f69356cbed40356f194bf0d7d069ab3c7ba6741642d1e0b0673d

                                                                  • memory/4872-0-0x00000000028F0000-0x0000000002AEB000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-1-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-2-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-1230-0x00000000028F0000-0x0000000002AEB000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-1232-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-4731-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-5698-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-7568-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB

                                                                  • memory/4872-8995-0x0000000000400000-0x0000000000605000-memory.dmp

                                                                    Filesize

                                                                    2.0MB