Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 06:59

General

  • Target

    488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779.exe

  • Size

    735KB

  • MD5

    e02fd1eee5d9fc50ac508abf6896982e

  • SHA1

    7c93d2e15ef9201a6f7154f924f2acd05b62511c

  • SHA256

    488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779

  • SHA512

    1e78d958c25e41b217b0b5ac97b5fa0c643a6d8a997314d8d531372e497357e863792446bd812228d9a1b4aec054be3504d8337df6515535c69efca0e0bd6314

  • SSDEEP

    12288:T4wbKp60OwVHlsiOnNjS9zVy4sn232h2kkjo7UModgPcBJa0sQtaG4l:TLp0OwjiN25VJsnkkkk7s/tTtaGw

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 10 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\488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779.exe
    "C:\Users\Admin\AppData\Local\Temp\488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779.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:2172
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 824
      2⤵
      • Program crash
      PID:3788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 872
      2⤵
      • Program crash
      PID:1980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 848
      2⤵
      • Program crash
      PID:3120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 856
      2⤵
      • Program crash
      PID:1196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 984
      2⤵
      • Program crash
      PID:656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 988
      2⤵
      • Program crash
      PID:4192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1524
      2⤵
      • Program crash
      PID:2332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1540
      2⤵
      • Program crash
      PID:2388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1804
      2⤵
      • Program crash
      PID:2628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1596
      2⤵
      • Program crash
      PID:2404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1584
      2⤵
      • Program crash
      PID:2812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1836
      2⤵
      • Program crash
      PID:2292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1852
      2⤵
      • Program crash
      PID:3652
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\06dfbb8a-1307-4475-b6be-e372de185c02" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:5044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1652
      2⤵
      • Program crash
      PID:5092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 2076
      2⤵
      • Program crash
      PID:1488
    • C:\Users\Admin\AppData\Local\Temp\488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779.exe
      "C:\Users\Admin\AppData\Local\Temp\488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 760
        3⤵
        • Program crash
        PID:3812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 800
        3⤵
        • Program crash
        PID:3308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 864
        3⤵
        • Program crash
        PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 888
        3⤵
        • Program crash
        PID:3960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1000
        3⤵
        • Program crash
        PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1056
        3⤵
        • Program crash
        PID:984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1308
        3⤵
        • Program crash
        PID:4120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1544
        3⤵
        • Program crash
        PID:2840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1656
        3⤵
        • Program crash
        PID:3788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1684
        3⤵
        • Program crash
        PID:4432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1608
        3⤵
        • Program crash
        PID:3808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1684
        3⤵
        • Program crash
        PID:3112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1608
        3⤵
        • Program crash
        PID:424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1728
        3⤵
        • Program crash
        PID:4224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1520
        3⤵
        • Program crash
        PID:2292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 1740
        3⤵
        • Program crash
        PID:2128
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 764
        3⤵
        • Program crash
        PID:4920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 2152
      2⤵
      • Program crash
      PID:4200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2172 -ip 2172
    1⤵
      PID:4732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2172 -ip 2172
      1⤵
        PID:748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2172 -ip 2172
        1⤵
          PID:3204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2172 -ip 2172
          1⤵
            PID:1708
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2172 -ip 2172
            1⤵
              PID:2596
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2172 -ip 2172
              1⤵
                PID:3892
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2172 -ip 2172
                1⤵
                  PID:3636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2172 -ip 2172
                  1⤵
                    PID:944
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2172 -ip 2172
                    1⤵
                      PID:2432
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2172 -ip 2172
                      1⤵
                        PID:2124
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 2172 -ip 2172
                        1⤵
                          PID:3556
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 2172 -ip 2172
                          1⤵
                            PID:2720
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 2172 -ip 2172
                            1⤵
                              PID:4400
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 648 -p 2172 -ip 2172
                              1⤵
                                PID:3772
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 2172 -ip 2172
                                1⤵
                                  PID:1868
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 680 -p 2172 -ip 2172
                                  1⤵
                                    PID:3064
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 680 -p 3224 -ip 3224
                                    1⤵
                                      PID:3616
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 640 -p 3224 -ip 3224
                                      1⤵
                                        PID:2024
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 672 -p 3224 -ip 3224
                                        1⤵
                                          PID:116
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 3224 -ip 3224
                                          1⤵
                                            PID:1936
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 3224 -ip 3224
                                            1⤵
                                              PID:2744
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 3224 -ip 3224
                                              1⤵
                                                PID:3980
                                              • C:\Windows\SysWOW64\WerFault.exe
                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 636 -p 3224 -ip 3224
                                                1⤵
                                                  PID:4732
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3224 -ip 3224
                                                  1⤵
                                                    PID:3052
                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3224 -ip 3224
                                                    1⤵
                                                      PID:4520
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3224 -ip 3224
                                                      1⤵
                                                        PID:3992
                                                      • C:\Windows\SysWOW64\WerFault.exe
                                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 3224 -ip 3224
                                                        1⤵
                                                          PID:4500
                                                        • C:\Windows\SysWOW64\WerFault.exe
                                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3224 -ip 3224
                                                          1⤵
                                                            PID:3128
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3224 -ip 3224
                                                            1⤵
                                                              PID:4708
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 3224 -ip 3224
                                                              1⤵
                                                                PID:2372
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3224 -ip 3224
                                                                1⤵
                                                                  PID:400
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3224 -ip 3224
                                                                  1⤵
                                                                    PID:2688
                                                                  • C:\Windows\SysWOW64\WerFault.exe
                                                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3224 -ip 3224
                                                                    1⤵
                                                                      PID:1788

                                                                    Network

                                                                    MITRE ATT&CK Enterprise v15

                                                                    Replay Monitor

                                                                    Loading Replay Monitor...

                                                                    Downloads

                                                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

                                                                      Filesize

                                                                      1KB

                                                                      MD5

                                                                      7fb5fa1534dcf77f2125b2403b30a0ee

                                                                      SHA1

                                                                      365d96812a69ac0a4611ea4b70a3f306576cc3ea

                                                                      SHA256

                                                                      33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

                                                                      SHA512

                                                                      a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

                                                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

                                                                      Filesize

                                                                      436B

                                                                      MD5

                                                                      971c514f84bba0785f80aa1c23edfd79

                                                                      SHA1

                                                                      732acea710a87530c6b08ecdf32a110d254a54c8

                                                                      SHA256

                                                                      f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

                                                                      SHA512

                                                                      43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

                                                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

                                                                      Filesize

                                                                      174B

                                                                      MD5

                                                                      4cb5f2a414083d4579ffc2c26b2435d6

                                                                      SHA1

                                                                      9f5a7c454938e6013460e995800dde4f61315dcb

                                                                      SHA256

                                                                      d978fa682e87a1cc2b16f0ae1772e041679a68a6d7368d911f316a3844f34d47

                                                                      SHA512

                                                                      c07596ea1ebd0fde7b13a8c5d59203f57b68c80959399e1410115401a2194e1965a27b39d6e08d0d877f54e2364b06ae9d49078a1a2e87894eadd6b4eeec4f72

                                                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

                                                                      Filesize

                                                                      170B

                                                                      MD5

                                                                      6b1a3bc80aacb195d6ea5aebb3eccc7e

                                                                      SHA1

                                                                      a7d372d31e7abc888f60e019e8b742e7547d2cfd

                                                                      SHA256

                                                                      50c37f7a387270fb5dde4af83d174bb2f038c07c1ee43034d7fa94f0c531ea77

                                                                      SHA512

                                                                      e8eb4be858edc27f673553b0c4c975c2cbbd5f42e6169846a90b0bc976a9221b0dbe73cb8376d5d832f90a4e13f35dd7f584d7b2f20e9b61c3180c1e8efb1bd2

                                                                    • C:\Users\Admin\AppData\Local\06dfbb8a-1307-4475-b6be-e372de185c02\488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779.exe

                                                                      Filesize

                                                                      735KB

                                                                      MD5

                                                                      e02fd1eee5d9fc50ac508abf6896982e

                                                                      SHA1

                                                                      7c93d2e15ef9201a6f7154f924f2acd05b62511c

                                                                      SHA256

                                                                      488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779

                                                                      SHA512

                                                                      1e78d958c25e41b217b0b5ac97b5fa0c643a6d8a997314d8d531372e497357e863792446bd812228d9a1b4aec054be3504d8337df6515535c69efca0e0bd6314

                                                                    • memory/2172-17-0x0000000000C50000-0x0000000000D6A000-memory.dmp

                                                                      Filesize

                                                                      1.1MB

                                                                    • memory/2172-16-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/2172-1-0x0000000000B10000-0x0000000000BA3000-memory.dmp

                                                                      Filesize

                                                                      588KB

                                                                    • memory/2172-3-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/2172-2-0x0000000000C50000-0x0000000000D6A000-memory.dmp

                                                                      Filesize

                                                                      1.1MB

                                                                    • memory/3224-13-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/3224-15-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/3224-14-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/3224-22-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/3224-26-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB

                                                                    • memory/3224-27-0x0000000000400000-0x0000000000537000-memory.dmp

                                                                      Filesize

                                                                      1.2MB