Analysis

  • max time kernel
    146s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 12:31

General

  • Target
    e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
  • Size 735KB
  • Sample240914-pp7xestdlm
  • SHA256 488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • djvu

C2
  • http://ring2.ug/As73yhsyU34578hxxx1/SDf565g/get.php

Attributes
  • extension

    .reha

  • offline_id

    7757TLxCRXnSjhJoq4TruFpvTlag0OKn6hPITYt1

  • payload_url

    http://ring2.ug/files/cost/updatewin1.exe

    http://ring2.ug/files/cost/updatewin2.exe

    http://ring2.ug/files/cost/updatewin.exe

    http://ring2.ug/files/cost/3.exe

    http://ring2.ug/files/cost/4.exe

    http://ring2.ug/files/cost/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-UdTNsLeiJA 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: 0199a7d6a8sda

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 9 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 33 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 832
      2⤵
      • Program crash
      PID:4188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 872
      2⤵
      • Program crash
      PID:2116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 872
      2⤵
      • Program crash
      PID:2008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 848
      2⤵
      • Program crash
      PID:4936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 984
      2⤵
      • Program crash
      PID:1904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 992
      2⤵
      • Program crash
      PID:2664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1524
      2⤵
      • Program crash
      PID:3684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1536
      2⤵
      • Program crash
      PID:4228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1804
      2⤵
      • Program crash
      PID:1532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1596
      2⤵
      • Program crash
      PID:1152
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1628
      2⤵
      • Program crash
      PID:4308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1584
      2⤵
      • Program crash
      PID:724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1820
      2⤵
      • Program crash
      PID:2440
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\04ea52be-619b-4a9a-bbfd-ae798be2baea" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1584
      2⤵
      • Program crash
      PID:4512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 2096
      2⤵
      • Program crash
      PID:1088
    • C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 792
        3⤵
        • Program crash
        PID:4448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 812
        3⤵
        • Program crash
        PID:5108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 896
        3⤵
        • Program crash
        PID:2152
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 904
        3⤵
        • Program crash
        PID:2360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1036
        3⤵
        • Program crash
        PID:4260
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1084
        3⤵
        • Program crash
        PID:2208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1336
        3⤵
        • Program crash
        PID:1860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1568
        3⤵
        • Program crash
        PID:3912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1640
        3⤵
        • Program crash
        PID:1512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1664
        3⤵
        • Program crash
        PID:4028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1696
        3⤵
        • Program crash
        PID:624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1728
        3⤵
        • Program crash
        PID:2980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1656
        3⤵
        • Program crash
        PID:2084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1672
        3⤵
        • Program crash
        PID:4860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1556
        3⤵
        • Program crash
        PID:2804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 1760
        3⤵
        • Program crash
        PID:2832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 796
        3⤵
        • Program crash
        PID:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1864
      2⤵
      • Program crash
      PID:3260
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1884 -ip 1884
    1⤵
      PID:1696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1884 -ip 1884
      1⤵
        PID:3092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1884 -ip 1884
        1⤵
          PID:4952
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1884 -ip 1884
          1⤵
            PID:3648
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1884 -ip 1884
            1⤵
              PID:4120
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1884 -ip 1884
              1⤵
                PID:2792
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1884 -ip 1884
                1⤵
                  PID:2928
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 1884
                  1⤵
                    PID:1584
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 1884
                    1⤵
                      PID:2940
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1884 -ip 1884
                      1⤵
                        PID:1796
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1884 -ip 1884
                        1⤵
                          PID:2960
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1884 -ip 1884
                          1⤵
                            PID:5016
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 1884
                            1⤵
                              PID:4452
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1884 -ip 1884
                              1⤵
                                PID:2828
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1884 -ip 1884
                                1⤵
                                  PID:2132
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1884 -ip 1884
                                  1⤵
                                    PID:3668
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 208 -ip 208
                                    1⤵
                                      PID:1344
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 208 -ip 208
                                      1⤵
                                        PID:3400
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 208 -ip 208
                                        1⤵
                                          PID:3436
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 208 -ip 208
                                          1⤵
                                            PID:2192
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 208 -ip 208
                                            1⤵
                                              PID:988
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 208 -ip 208
                                              1⤵
                                                PID:2548
                                              • C:\Windows\SysWOW64\WerFault.exe
                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 208 -ip 208
                                                1⤵
                                                  PID:1644
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 208 -ip 208
                                                  1⤵
                                                    PID:528
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 208 -ip 208
                                                    1⤵
                                                      PID:4352
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 208 -ip 208
                                                      1⤵
                                                        PID:4524
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 208 -ip 208
                                                        1⤵
                                                          PID:4888
                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 208 -ip 208
                                                          1⤵
                                                            PID:1936
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 208 -ip 208
                                                            1⤵
                                                              PID:2168
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 208 -ip 208
                                                              1⤵
                                                                PID:4380
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 208 -ip 208
                                                                1⤵
                                                                  PID:1632
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 208 -ip 208
                                                                  1⤵
                                                                    PID:1152
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 208 -ip 208
                                                                    1⤵
                                                                      PID:2208

                                                                    Network

                                                                          MITRE ATT&CK Enterprise v15

                                                                          Replay Monitor

                                                                          Loading Replay Monitor...

                                                                          Downloads

                                                                          8B2B9A00839EED1DFDCCC3BFC2F5DF12

                                                                          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
                                                                          • Size 1KB
                                                                          • SHA256 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
                                                                          • MD5 SHA1 SHA512

                                                                          B46811C17859FFB409CF0E904A4AA8F8

                                                                          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
                                                                          • Size 436B
                                                                          • SHA256 f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
                                                                          • MD5 SHA1 SHA512

                                                                          8B2B9A00839EED1DFDCCC3BFC2F5DF12

                                                                          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
                                                                          • Size 174B
                                                                          • SHA256 1546328e38f7c475a73b52bee0ad75647aed19d844a67d6dac2277f044f2c874
                                                                          • MD5 SHA1 SHA512

                                                                          B46811C17859FFB409CF0E904A4AA8F8

                                                                          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
                                                                          • Size 170B
                                                                          • SHA256 a923b8b5d69434c7b9af119fb2465eec45851791eede9a26bb86227460ce557a
                                                                          • MD5 SHA1 SHA512

                                                                          e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe

                                                                          • Path C:\Users\Admin\AppData\Local\04ea52be-619b-4a9a-bbfd-ae798be2baea\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
                                                                          • Size 735KB
                                                                          • SHA256 488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779
                                                                          • MD5 SHA1 SHA512 SSDEEP

                                                                          memory/208-15-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/208-17-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/208-27-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/208-31-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/208-32-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/1884-16-0x00000000009E0000-0x0000000000A7D000-memory.dmp

                                                                          memory/1884-20-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/1884-19-0x0000000000AD0000-0x0000000000BEA000-memory.dmp

                                                                          memory/1884-1-0x00000000009E0000-0x0000000000A7D000-memory.dmp

                                                                          memory/1884-3-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                          memory/1884-2-0x0000000000AD0000-0x0000000000BEA000-memory.dmp