Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    10/01/2021, 14:44

General

  • Target
    SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.18566.exe
  • Size 601KB
  • Sample210110-c95f1exbae
  • SHA256 723cd9a121f4dbdd70fba3a061d63921ac8c7a20723f9eec00e7664e4b0ce454
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 5 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 2 IoCs

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

  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Drops startup file 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 3 IoCs
  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Delays execution with timeout.exe 3 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.18566.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.18566.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\File35.exe
      "C:\Users\Admin\AppData\Local\Temp\File35.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3088
      • C:\Users\Admin\AppData\Local\Temp\New Feature\4_ico.exe
        "C:\Users\Admin\AppData\Local\Temp\New Feature\4_ico.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Drops startup file
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:364
        • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
          "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
          4⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Identifies Wine through registry keys
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          PID:4436
      • C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe
        "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\qexwiovr & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4256
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            5⤵
            • Delays execution with timeout.exe
            PID:2160
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\qexwiovr & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2052
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            5⤵
            • Delays execution with timeout.exe
            PID:3868
      • C:\Users\Admin\AppData\Local\Temp\New Feature\vpn_ico.exe
        "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn_ico.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1236
        • C:\Users\Admin\AppData\Local\Temp\cklqtwh.exe
          "C:\Users\Admin\AppData\Local\Temp\cklqtwh.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\CKLQTW~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\cklqtwh.exe
            5⤵
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4408
            • C:\Windows\SysWOW64\RUNDLL32.EXE
              C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\CKLQTW~1.DLL,KQ0cLDafBbQ=
              6⤵
              • Blocklisted process makes network request
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of WriteProcessMemory
              PID:4620
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpD2D6.tmp.ps1"
                7⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2212
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpF7C5.tmp.ps1"
                7⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:4028
                • C:\Windows\SysWOW64\nslookup.exe
                  "C:\Windows\system32\nslookup.exe" -type=any localhost
                  8⤵
                    PID:1356
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
                  7⤵
                    PID:2220
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                    7⤵
                      PID:1920
              • C:\Windows\SysWOW64\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rqbsaweo.vbs"
                4⤵
                  PID:188
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\jywffuuf.vbs"
                  4⤵
                  • Blocklisted process makes network request
                  • Modifies system certificate store
                  PID:844
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\JXVmitkWf & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.18566.exe"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:572
              • C:\Windows\SysWOW64\timeout.exe
                timeout 2
                3⤵
                • Delays execution with timeout.exe
                PID:4036

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/364-36-0x0000000004980000-0x0000000004981000-memory.dmp

                memory/364-38-0x0000000005180000-0x0000000005181000-memory.dmp

                memory/364-40-0x0000000004980000-0x0000000004981000-memory.dmp

                memory/852-34-0x0000000004D00000-0x0000000004D01000-memory.dmp

                memory/852-33-0x0000000004500000-0x0000000004501000-memory.dmp

                memory/1236-39-0x0000000005A80000-0x0000000005A81000-memory.dmp

                memory/1236-37-0x0000000005280000-0x0000000005281000-memory.dmp

                memory/2212-73-0x00000000074F0000-0x00000000074F1000-memory.dmp

                memory/2212-77-0x0000000007E00000-0x0000000007E01000-memory.dmp

                memory/2212-83-0x0000000008A90000-0x0000000008A91000-memory.dmp

                memory/2212-82-0x00000000089F0000-0x00000000089F1000-memory.dmp

                memory/2212-69-0x00000000707C0000-0x0000000070EAE000-memory.dmp

                memory/2212-70-0x0000000004170000-0x0000000004171000-memory.dmp

                memory/2212-71-0x0000000006D50000-0x0000000006D51000-memory.dmp

                memory/2212-72-0x0000000006B10000-0x0000000006B11000-memory.dmp

                memory/2212-81-0x0000000009460000-0x0000000009461000-memory.dmp

                memory/2212-74-0x0000000006CB0000-0x0000000006CB1000-memory.dmp

                memory/2212-75-0x0000000007560000-0x0000000007561000-memory.dmp

                memory/2212-76-0x00000000074C0000-0x00000000074C1000-memory.dmp

                memory/2212-80-0x0000000007D90000-0x0000000007D91000-memory.dmp

                memory/2212-78-0x0000000007C90000-0x0000000007C91000-memory.dmp

                memory/4028-98-0x0000000008500000-0x0000000008501000-memory.dmp

                memory/4028-95-0x0000000008000000-0x0000000008001000-memory.dmp

                memory/4028-87-0x0000000070260000-0x000000007094E000-memory.dmp

                memory/4408-61-0x00000000051B0000-0x0000000005810000-memory.dmp

                memory/4436-44-0x0000000004990000-0x0000000004991000-memory.dmp

                memory/4436-45-0x0000000005190000-0x0000000005191000-memory.dmp

                memory/4620-66-0x0000000004B90000-0x00000000051F0000-memory.dmp

                memory/4664-51-0x0000000006D40000-0x0000000006D41000-memory.dmp

                memory/4684-2-0x0000000006830000-0x0000000006831000-memory.dmp