Analysis

  • max time kernel
    123s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • 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 6 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 7 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.

  • Deletes itself 1 IoCs
  • 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 34 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.

  • Drops desktop.ini file(s) 2 IoCs
  • 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 system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 141 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⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1636
    • 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:1688
      • 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
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1604
        • 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
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          PID:2196
      • 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
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\rblfqhubtuxd & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2448
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            5⤵
            • Delays execution with timeout.exe
            PID:2532
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\rblfqhubtuxd & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
          4⤵
            PID:2568
            • C:\Windows\SysWOW64\timeout.exe
              timeout 2
              5⤵
              • Delays execution with timeout.exe
              PID:2632
        • 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
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:808
          • C:\Users\Admin\AppData\Local\Temp\gfxpidgdo.exe
            "C:\Users\Admin\AppData\Local\Temp\gfxpidgdo.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2412
            • C:\Windows\SysWOW64\rundll32.exe
              C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\GFXPID~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\GFXPID~1.EXE
              5⤵
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:2656
              • C:\Windows\SysWOW64\RUNDLL32.EXE
                C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\GFXPID~1.DLL,XCA8LDYMA5D6
                6⤵
                • Blocklisted process makes network request
                • Loads dropped DLL
                • Drops desktop.ini file(s)
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                PID:2704
                • 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\tmp9F4B.tmp.ps1"
                  7⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2872
                • 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\tmpBB94.tmp.ps1"
                  7⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1292
                  • C:\Windows\SysWOW64\nslookup.exe
                    "C:\Windows\system32\nslookup.exe" -type=any localhost
                    8⤵
                      PID:2228
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
                    7⤵
                      PID:2224
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                      7⤵
                        PID:2524
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mlfogwpfmey.vbs"
                  4⤵
                    PID:2552
                  • C:\Windows\SysWOW64\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\lcvfkgf.vbs"
                    4⤵
                    • Blocklisted process makes network request
                    • Modifies system certificate store
                    PID:2928
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\lclHqhuCVR & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.18566.exe"
                2⤵
                • Deletes itself
                • Suspicious use of WriteProcessMemory
                PID:1436
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 2
                  3⤵
                  • Delays execution with timeout.exe
                  PID:636

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/808-96-0x00000000049F0000-0x0000000004A01000-memory.dmp

                  memory/808-97-0x0000000004E00000-0x0000000004E11000-memory.dmp

                  memory/1136-99-0x0000000004860000-0x0000000004871000-memory.dmp

                  memory/1136-100-0x0000000004C70000-0x0000000004C81000-memory.dmp

                  memory/1292-175-0x00000000725F0000-0x0000000072CDE000-memory.dmp

                  memory/1292-176-0x0000000000F70000-0x0000000000F71000-memory.dmp

                  memory/1292-177-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

                  memory/1292-178-0x00000000026B0000-0x00000000026B1000-memory.dmp

                  memory/1292-179-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

                  memory/1292-180-0x00000000061D0000-0x00000000061D1000-memory.dmp

                  memory/1476-55-0x000007FEF77E0000-0x000007FEF7A5A000-memory.dmp

                  memory/1604-94-0x0000000004A60000-0x0000000004A71000-memory.dmp

                  memory/1604-95-0x0000000004E70000-0x0000000004E81000-memory.dmp

                  memory/1636-2-0x0000000006170000-0x0000000006181000-memory.dmp

                  memory/1636-3-0x0000000006310000-0x0000000006311000-memory.dmp

                  memory/2196-109-0x0000000004AC0000-0x0000000004AD1000-memory.dmp

                  memory/2196-110-0x0000000004ED0000-0x0000000004EE1000-memory.dmp

                  memory/2412-129-0x0000000006A00000-0x0000000006A11000-memory.dmp

                  memory/2552-128-0x0000000002980000-0x0000000002984000-memory.dmp

                  memory/2656-136-0x0000000073DF0000-0x0000000073F93000-memory.dmp

                  memory/2656-137-0x0000000002940000-0x0000000002FA0000-memory.dmp

                  memory/2704-144-0x0000000002940000-0x0000000002FA0000-memory.dmp

                  memory/2704-143-0x0000000073D90000-0x0000000073F33000-memory.dmp

                  memory/2872-172-0x00000000062D0000-0x00000000062D1000-memory.dmp

                  memory/2872-173-0x00000000066C0000-0x00000000066C1000-memory.dmp

                  memory/2872-165-0x0000000006430000-0x0000000006431000-memory.dmp

                  memory/2872-164-0x0000000006200000-0x0000000006201000-memory.dmp

                  memory/2872-159-0x0000000006190000-0x0000000006191000-memory.dmp

                  memory/2872-155-0x00000000029B0000-0x00000000029B1000-memory.dmp

                  memory/2872-154-0x0000000002690000-0x0000000002691000-memory.dmp

                  memory/2872-151-0x0000000004A40000-0x0000000004A41000-memory.dmp

                  memory/2872-150-0x0000000000E00000-0x0000000000E01000-memory.dmp

                  memory/2872-147-0x0000000072790000-0x0000000072E7E000-memory.dmp

                  memory/2928-153-0x0000000002960000-0x0000000002964000-memory.dmp