Resubmissions

20-01-2022 19:26

220120-x5jhrsbcdl 10

17-01-2022 16:56

220117-vf67esbcd8 10

17-01-2022 16:16

220117-tqyscsbedr 10

09-12-2021 23:18

211209-299yqseee9 1

Analysis

  • max time kernel
    1203s
  • max time network
    756s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    17-01-2022 16:16

General

  • Target

    3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe

  • Size

    2.2MB

  • MD5

    aea5d3cced6725f37e2c3797735e6467

  • SHA1

    087497940a41d96e4e907b6dc92f75f4a38d861a

  • SHA256

    3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83

  • SHA512

    5489753ae1c3ba0dbd3e0ce1b78b0ccba045e534e77fb87c80d56b16229f928c46a15721020142bbc6bd4d1ba5c295f4bec3596efa7b46c906889c156dadbd66

Score
10/10

Malware Config

Extracted

Path

\??\Z:\RECOVER-sykffle-FILES.txt

Ransom Note
>> Introduction Important files on your system was ENCRYPTED and now they have have "sykffle" extension. In order to recover your files you need to follow instructions below. >> Sensitive Data Sensitive data on your system was DOWNLOADED and it will be PUBLISHED if you refuse to cooperate. Data includes: - Employees personal data, CVs, DL, SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... Private preview is published here: http://zujgzbu5y64xbmvc42addp4lxkoosb4tslf5mehnh7pvqjpwxn5gokyd.onion/b21e1fb6-ff88-425b-8339-3523179a1e3e/886cf430a907bbe9a3fd38fb704d524dbd199c1b042ad6f65dc72ad78704e21 >> CAUTION DO NOT MODIFY FILES YOURSELF. DO NOT USE THIRD PARTY SOFTWARE TO RESTORE YOUR DATA. YOU MAY DAMAGE YOUR FILES, IT WILL RESULT IN PERMANENT DATA LOSS. YOUR DATA IS STRONGLY ENCRYPTED, YOU CAN NOT DECRYPT IT WITHOUT CIPHER KEY. >> Recovery procedure Follow these simple steps to get in touch and recover your data: 1) Download and install Tor Browser from: https://torproject.org/ 2) Navigate to: http://mu75ltv3lxd24dbyu6gtvmnwybecigs5auki7fces437xvvflzva2nqd.onion/?access-key=GfjBJOpvNRomDHpgsWFmQevkENCHPGoFVXNvOwZ5qtw6SKG8kCp%2FQXB0CKxe6xRLJeFStrmxxrCbQi69Lel21pyJ91hmeQKjk%2Ben10Sqh2b01bhXSjaFMUD0e5%2BXGhwxDwqQoRUyKT7vev%2BM9KxFzS8VnaZiT9nCM3z26ET%2Fd3GfFWYXI3ecK8mMbLKf1%2BWlmff363dOih4kRUyk8hEabXK3EYFMuN5cVuR%2FI3J8sLIeeDJ9DizQRIUd2lRlXAFjX0z6sIOWNrj0YJ7tdcSzU5t2y015GAfb3D4L0XlSBjONqAY%2BwKQqk6XQ3TonZw39LdyjfbJQcyfc6uxssBhoUA%3D%3D
URLs

http://zujgzbu5y64xbmvc42addp4lxkoosb4tslf5mehnh7pvqjpwxn5gokyd.onion/b21e1fb6-ff88-425b-8339-3523179a1e3e/886cf430a907bbe9a3fd38fb704d524dbd199c1b042ad6f65dc72ad78704e21

http://mu75ltv3lxd24dbyu6gtvmnwybecigs5auki7fces437xvvflzva2nqd.onion/?access-key=GfjBJOpvNRomDHpgsWFmQevkENCHPGoFVXNvOwZ5qtw6SKG8kCp%2FQXB0CKxe6xRLJeFStrmxxrCbQi69Lel21pyJ91hmeQKjk%2Ben10Sqh2b01bhXSjaFMUD0e5%2BXGhwxDwqQoRUyKT7vev%2BM9KxFzS8VnaZiT9nCM3z26ET%2Fd3GfFWYXI3ecK8mMbLKf1%2BWlmff363dOih4kRUyk8hEabXK3EYFMuN5cVuR%2FI3J8sLIeeDJ9DizQRIUd2lRlXAFjX0z6sIOWNrj0YJ7tdcSzU5t2y015GAfb3D4L0XlSBjONqAY%2BwKQqk6XQ3TonZw39LdyjfbJQcyfc6uxssBhoUA%3D%3D

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Control Panel 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
    C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe --help
    1⤵
      PID:3792
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      1⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
        C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe --help
        2⤵
          PID:3948
        • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
          C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -help
          2⤵
            PID:2064
          • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
            C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -help
            2⤵
              PID:3780
            • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
              C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -help
              2⤵
                PID:2052
              • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -help
                2⤵
                  PID:1776
                • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                  C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe --help
                  2⤵
                    PID:3792
                  • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                    C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe --help
                    2⤵
                      PID:3380
                    • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                      C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -help
                      2⤵
                        PID:3968
                      • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                        C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -u
                        2⤵
                          PID:3592
                        • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                          C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe --ui
                          2⤵
                            PID:684
                          • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                            C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe -v
                            2⤵
                              PID:2096
                            • C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe
                              C:\Users\Admin\AppData\Local\Temp\3d7cf20ca6476e14e0a026f9bdd8ff1f26995cdc5854c3adb41a6135ef11ba83.bin.exe --version
                              2⤵
                                PID:3544
                              • C:\Users\Admin\AppData\Local\Temp\moo.exe
                                moo -v
                                2⤵
                                  PID:4088
                                • C:\Users\Admin\AppData\Local\Temp\moo.exe
                                  moo -h
                                  2⤵
                                    PID:2624
                                  • C:\Users\Admin\AppData\Local\Temp\moo.exe
                                    moo --help
                                    2⤵
                                      PID:936
                                    • C:\Users\Admin\AppData\Local\Temp\moo.exe
                                      moo --ui
                                      2⤵
                                        PID:1336
                                      • C:\Users\Admin\AppData\Local\Temp\moo.exe
                                        moo -V
                                        2⤵
                                          PID:2012
                                        • C:\Users\Admin\AppData\Local\Temp\moo.exe
                                          moo -v -a monkeynuts
                                          2⤵
                                          • Modifies extensions of user files
                                          • Enumerates connected drives
                                          • Sets desktop wallpaper using registry
                                          • Modifies Control Panel
                                          • Suspicious use of WriteProcessMemory
                                          PID:1328
                                          • C:\Windows\SysWOW64\cmd.exe
                                            "cmd" /c "wmic csproduct get UUID"
                                            3⤵
                                            • Suspicious use of WriteProcessMemory
                                            PID:2708
                                            • C:\Windows\SysWOW64\Wbem\WMIC.exe
                                              wmic csproduct get UUID
                                              4⤵
                                              • Suspicious use of AdjustPrivilegeToken
                                              PID:1688
                                          • C:\Windows\SysWOW64\cmd.exe
                                            "cmd" /c "fsutil behavior set SymlinkEvaluation R2L:1"
                                            3⤵
                                            • Suspicious use of WriteProcessMemory
                                            PID:2260
                                            • C:\Windows\SysWOW64\fsutil.exe
                                              fsutil behavior set SymlinkEvaluation R2L:1
                                              4⤵
                                                PID:2780
                                            • C:\Windows\SysWOW64\cmd.exe
                                              "cmd" /c "fsutil behavior set SymlinkEvaluation R2R:1"
                                              3⤵
                                                PID:2220
                                                • C:\Windows\SysWOW64\fsutil.exe
                                                  fsutil behavior set SymlinkEvaluation R2R:1
                                                  4⤵
                                                    PID:3628
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  "cmd" /c "reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters /v MaxMpxCt /d 65535 /t REG_DWORD /f"
                                                  3⤵
                                                    PID:2488
                                                    • C:\Windows\SysWOW64\reg.exe
                                                      reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters /v MaxMpxCt /d 65535 /t REG_DWORD /f
                                                      4⤵
                                                        PID:3032
                                                    • C:\Windows\SYSTEM32\cmd.exe
                                                      "cmd" /c "vssadmin.exe delete shadows /all /quiet"
                                                      3⤵
                                                        PID:2044
                                                        • C:\Windows\system32\vssadmin.exe
                                                          vssadmin.exe delete shadows /all /quiet
                                                          4⤵
                                                          • Interacts with shadow copies
                                                          PID:3216
                                                      • C:\Windows\SysWOW64\cmd.exe
                                                        "cmd" /c "arp -a"
                                                        3⤵
                                                          PID:1848
                                                          • C:\Windows\SysWOW64\ARP.EXE
                                                            arp -a
                                                            4⤵
                                                              PID:3784
                                                          • C:\Windows\SYSTEM32\cmd.exe
                                                            "cmd" /c "vssadmin.exe delete shadows /all /quiet"
                                                            3⤵
                                                              PID:3576
                                                              • C:\Windows\system32\vssadmin.exe
                                                                vssadmin.exe delete shadows /all /quiet
                                                                4⤵
                                                                • Interacts with shadow copies
                                                                PID:2024
                                                        • C:\Windows\System32\rundll32.exe
                                                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                                          1⤵
                                                            PID:1996
                                                          • C:\Windows\system32\taskmgr.exe
                                                            "C:\Windows\system32\taskmgr.exe" /4
                                                            1⤵
                                                            • Drops file in Windows directory
                                                            • Checks SCSI registry key(s)
                                                            • Suspicious behavior: EnumeratesProcesses
                                                            • Suspicious behavior: GetForegroundWindowSpam
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            • Suspicious use of FindShellTrayWindow
                                                            • Suspicious use of SendNotifyMessage
                                                            PID:2008
                                                          • C:\Windows\system32\vssvc.exe
                                                            C:\Windows\system32\vssvc.exe
                                                            1⤵
                                                              PID:1172
                                                            • C:\Windows\system32\vssvc.exe
                                                              C:\Windows\system32\vssvc.exe
                                                              1⤵
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:1348
                                                            • C:\Windows\system32\notepad.exe
                                                              "C:\Windows\system32\notepad.exe"
                                                              1⤵
                                                                PID:2440

                                                              Network

                                                              MITRE ATT&CK Matrix ATT&CK v6

                                                              Defense Evasion

                                                              File Deletion

                                                              2
                                                              T1107

                                                              Modify Registry

                                                              1
                                                              T1112

                                                              Discovery

                                                              Query Registry

                                                              2
                                                              T1012

                                                              Peripheral Device Discovery

                                                              2
                                                              T1120

                                                              System Information Discovery

                                                              2
                                                              T1082

                                                              Impact

                                                              Inhibit System Recovery

                                                              2
                                                              T1490

                                                              Defacement

                                                              1
                                                              T1491

                                                              Replay Monitor

                                                              Loading Replay Monitor...

                                                              Downloads

                                                              • memory/684-124-0x0000000000000000-mapping.dmp
                                                              • memory/936-129-0x0000000000000000-mapping.dmp
                                                              • memory/1328-132-0x0000000000000000-mapping.dmp
                                                              • memory/1336-130-0x0000000000000000-mapping.dmp
                                                              • memory/1688-134-0x0000000000000000-mapping.dmp
                                                              • memory/1776-119-0x0000000000000000-mapping.dmp
                                                              • memory/1848-143-0x0000000000000000-mapping.dmp
                                                              • memory/2012-131-0x0000000000000000-mapping.dmp
                                                              • memory/2024-146-0x0000000000000000-mapping.dmp
                                                              • memory/2044-140-0x0000000000000000-mapping.dmp
                                                              • memory/2052-118-0x0000000000000000-mapping.dmp
                                                              • memory/2064-116-0x0000000000000000-mapping.dmp
                                                              • memory/2096-125-0x0000000000000000-mapping.dmp
                                                              • memory/2220-137-0x0000000000000000-mapping.dmp
                                                              • memory/2260-135-0x0000000000000000-mapping.dmp
                                                              • memory/2488-139-0x0000000000000000-mapping.dmp
                                                              • memory/2624-128-0x0000000000000000-mapping.dmp
                                                              • memory/2708-133-0x0000000000000000-mapping.dmp
                                                              • memory/2780-136-0x0000000000000000-mapping.dmp
                                                              • memory/3032-142-0x0000000000000000-mapping.dmp
                                                              • memory/3216-141-0x0000000000000000-mapping.dmp
                                                              • memory/3380-121-0x0000000000000000-mapping.dmp
                                                              • memory/3544-126-0x0000000000000000-mapping.dmp
                                                              • memory/3576-145-0x0000000000000000-mapping.dmp
                                                              • memory/3592-123-0x0000000000000000-mapping.dmp
                                                              • memory/3628-138-0x0000000000000000-mapping.dmp
                                                              • memory/3780-117-0x0000000000000000-mapping.dmp
                                                              • memory/3784-144-0x0000000000000000-mapping.dmp
                                                              • memory/3792-120-0x0000000000000000-mapping.dmp
                                                              • memory/3948-115-0x0000000000000000-mapping.dmp
                                                              • memory/3968-122-0x0000000000000000-mapping.dmp
                                                              • memory/4088-127-0x0000000000000000-mapping.dmp