Analysis

  • max time kernel
    122s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2023 19:36

General

  • Target

    SecuriteInfo.com.Win32.TrojanX-gen.32022.26428.exe

  • Size

    795KB

  • MD5

    102dfca73df9a539a34b886349365381

  • SHA1

    35b90a9ae3dc136502102017c0488c5fc028eae1

  • SHA256

    27216219fbe93818c217c05b66b6586ab58bb000b1c9bc96da93561923f1fce9

  • SHA512

    4335a75a836ebb5c9f589d36bd9b96fa6c3c751ff37caf23805317cdd5082fef0fb3ed198ebdb90cde6e9700d4b0ede2233b6bab8cb421d193c1099510733316

  • SSDEEP

    12288:Q84kSMdr3GNUAn9cNNeX8X/iTS46omh7lZyxa6A0KG384C26ygrxNU4Jpth9+8PZ:Q8fUc6ApGLC7ysxD1d/4e

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

STRIGIO

C2

sandshoe.myfirewall.org:5344

Mutex

I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • XpertRAT Core payload 1 IoCs
  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32022.26428.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32022.26428.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32022.26428.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32022.26428.exe"
      2⤵
      • UAC bypass
      • Windows security bypass
      • Windows security modification
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2720
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.32022.26428.exe
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho0.txt"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2592
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho1.txt"
          4⤵
            PID:1244
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho1.txt"
            4⤵
            • Accesses Microsoft Outlook accounts
            PID:3064
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho2.txt"
            4⤵
              PID:2220
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho2.txt"
              4⤵
                PID:2252
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho3.txt"
                4⤵
                  PID:2904
                • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                  /stext "C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho4.txt"
                  4⤵
                    PID:2940

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho2.txt

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • C:\Users\Admin\AppData\Roaming\I8N3F0X7-G4E2-P2S0-T0D7-R1N2H5T660I4\zurowdsho4.txt

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • memory/1272-3-0x0000000001E80000-0x0000000001E98000-memory.dmp

              Filesize

              96KB

            • memory/1272-4-0x0000000074310000-0x00000000749FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1272-5-0x0000000004C50000-0x0000000004C90000-memory.dmp

              Filesize

              256KB

            • memory/1272-6-0x0000000001EA0000-0x0000000001EAA000-memory.dmp

              Filesize

              40KB

            • memory/1272-7-0x000000000A050000-0x000000000A0BC000-memory.dmp

              Filesize

              432KB

            • memory/1272-2-0x0000000004C50000-0x0000000004C90000-memory.dmp

              Filesize

              256KB

            • memory/1272-1-0x0000000074310000-0x00000000749FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1272-0-0x00000000001E0000-0x00000000002AC000-memory.dmp

              Filesize

              816KB

            • memory/1272-16-0x0000000074310000-0x00000000749FE000-memory.dmp

              Filesize

              6.9MB

            • memory/2252-37-0x0000000000400000-0x0000000000459000-memory.dmp

              Filesize

              356KB

            • memory/2592-30-0x0000000000400000-0x0000000000426000-memory.dmp

              Filesize

              152KB

            • memory/2644-19-0x0000000000400000-0x0000000000443000-memory.dmp

              Filesize

              268KB

            • memory/2720-10-0x0000000000400000-0x000000000042C000-memory.dmp

              Filesize

              176KB

            • memory/2720-26-0x0000000000400000-0x000000000042C000-memory.dmp

              Filesize

              176KB

            • memory/2720-13-0x0000000000400000-0x000000000042C000-memory.dmp

              Filesize

              176KB

            • memory/2720-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2720-9-0x0000000000400000-0x000000000042C000-memory.dmp

              Filesize

              176KB

            • memory/2720-8-0x0000000000400000-0x000000000042C000-memory.dmp

              Filesize

              176KB

            • memory/2904-40-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2940-41-0x0000000000400000-0x0000000000415000-memory.dmp

              Filesize

              84KB

            • memory/3064-32-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB