Analysis

  • max time kernel
    120s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    07-03-2022 19:30

General

  • Target

    Main__Setup.exe

  • Size

    750.0MB

  • MD5

    195fdd6d2f23421e125c83596132a528

  • SHA1

    9ee85d98aa7e571f4f9a47d2e6158ea2ed503471

  • SHA256

    a1e6e556f5dc089cc77b6f71dbe5b4d2cd47167aca3d044024496275403815b8

  • SHA512

    5a505b742373006257b9ebc952bade4183bc8a11d5941626e7afeb91bbc0a1142e4b83a8c885783a9c41b7be9040a246382032974e2091bf17d52bf80577e808

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Main__Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Main__Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\Main__Setup.exe
      C:\Users\Admin\AppData\Local\Temp\Main__Setup.exe
      2⤵
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:808
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\Desktop\*.txt" "C:\Users\Admin\AppData\Local\Temp\4621\_Files"
        3⤵
          PID:1624
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /U /C DIR "C:\Users\Admin\wallet.dat" /S /B /A-D
          3⤵
            PID:1604
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /U /C DIR "C:\Users\Admin\UTC--2*" /S /B /A-D
            3⤵
              PID:1892
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Web Data" "C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_webdata.db"
              3⤵
                PID:972
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_logins.db"
                3⤵
                  PID:1912
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Cookies" "C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_cookies.db"
                  3⤵
                    PID:1520
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Network\Cookies" "C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_cookies.db"
                    3⤵
                      PID:1680
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/ryugmcli.Admin\formhistory.sqlite" "C:\Users\Admin\AppData\Local\Temp\4621\_Firefox\formhistory.sqlite"
                      3⤵
                        PID:1980
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/ryugmcli.Admin\cookies.sqlite" "C:\Users\Admin\AppData\Local\Temp\4621\_Firefox\cookies.sqlite"
                        3⤵
                          PID:904
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/ryugmcli.Admin\signons.sqlite" "C:\Users\Admin\AppData\Local\Temp\4621\_Firefox\signons.sqlite"
                          3⤵
                            PID:1716
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/ryugmcli.Admin\logins.json" "C:\Users\Admin\AppData\Local\Temp\4621\_Firefox\logins.json"
                            3⤵
                              PID:1596
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/ryugmcli.Admin\key3.db" "C:\Users\Admin\AppData\Local\Temp\4621\_Firefox\key3.db"
                              3⤵
                                PID:748
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/ryugmcli.Admin\key4.db" "C:\Users\Admin\AppData\Local\Temp\4621\_Firefox\key4.db"
                                3⤵
                                  PID:1324

                            Network

                            MITRE ATT&CK Matrix ATT&CK v6

                            Credential Access

                            Credentials in Files

                            2
                            T1081

                            Discovery

                            Query Registry

                            1
                            T1012

                            System Information Discovery

                            1
                            T1082

                            Collection

                            Data from Local System

                            2
                            T1005

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_cookies.db
                              MD5

                              055c8c5c47424f3c2e7a6fc2ee904032

                              SHA1

                              5952781d22cff35d94861fac25d89a39af6d0a87

                              SHA256

                              531b3121bd59938df4933972344d936a67e75d8b1741807a8a51c898d185dd2a

                              SHA512

                              c2772893695f49cb185add62c35284779b20d45adc01184f1912613fa8b2d70c8e785f0d7cfa3bfaf1d2d58e7cdc74f4304fd973a956601927719d6d370dd57a

                            • C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_logins.db
                              MD5

                              b608d407fc15adea97c26936bc6f03f6

                              SHA1

                              953e7420801c76393902c0d6bb56148947e41571

                              SHA256

                              b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

                              SHA512

                              cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

                            • C:\Users\Admin\AppData\Local\Temp\4621\_Chrome\default_webdata.db
                              MD5

                              8ee018331e95a610680a789192a9d362

                              SHA1

                              e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

                              SHA256

                              94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

                              SHA512

                              4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

                            • memory/808-77-0x00000000003C0000-0x00000000003C1000-memory.dmp
                              Filesize

                              4KB

                            • memory/808-73-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-84-0x00000000025A0000-0x00000000025A1000-memory.dmp
                              Filesize

                              4KB

                            • memory/808-61-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-63-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-65-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-67-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-69-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-71-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-80-0x00000000003F0000-0x00000000003F1000-memory.dmp
                              Filesize

                              4KB

                            • memory/808-75-0x0000000076921000-0x0000000076923000-memory.dmp
                              Filesize

                              8KB

                            • memory/808-76-0x0000000000400000-0x0000000000547000-memory.dmp
                              Filesize

                              1.3MB

                            • memory/808-79-0x00000000003D0000-0x00000000003D1000-memory.dmp
                              Filesize

                              4KB

                            • memory/808-78-0x00000000003E0000-0x00000000003E1000-memory.dmp
                              Filesize

                              4KB

                            • memory/1668-55-0x0000000001130000-0x000000000119A000-memory.dmp
                              Filesize

                              424KB

                            • memory/1668-59-0x00000000062C0000-0x00000000063B8000-memory.dmp
                              Filesize

                              992KB

                            • memory/1668-58-0x00000000061A0000-0x00000000062BA000-memory.dmp
                              Filesize

                              1.1MB

                            • memory/1668-56-0x0000000074CF0000-0x00000000753DE000-memory.dmp
                              Filesize

                              6.9MB

                            • memory/1668-57-0x0000000000D00000-0x0000000000D01000-memory.dmp
                              Filesize

                              4KB

                            • memory/1668-60-0x0000000000C50000-0x0000000000C9C000-memory.dmp
                              Filesize

                              304KB