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09/01/2021, 22:47

210109-b1v8zws832 9

Analysis

  • max time kernel
    120s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/01/2021, 22:47

General

  • Target

    SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.22567.exe

  • Size

    610KB

  • MD5

    d83cd7278c47f4f3c7884eb9593a256c

  • SHA1

    026983b49e5356ed0497109de09ea43e5be9e54c

  • SHA256

    9986d7d421e26cce5a64a65a7f72b757043cbe7dfe2dd0b32f66d25203922415

  • SHA512

    5b84ede84c3c76795e45dcc1cc8e186be3f09d03f4965c8b88bda8294f2c0b9983dde4b37532773b07cafe3a1483c8aedd4c4230dbdc06714c5c7c097386fa1b

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 8 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 6 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) 3 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.22567.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.22567.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1584
    • 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:636
      • 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:1992
        • 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:2156
      • 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
        PID:1712
        • C:\Users\Admin\AppData\Local\Temp\qohnagxl.exe
          "C:\Users\Admin\AppData\Local\Temp\qohnagxl.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2488
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\QOHNAG~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\qohnagxl.exe
            5⤵
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:2584
            • C:\Windows\SysWOW64\RUNDLL32.EXE
              C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\QOHNAG~1.DLL,fiRaLDYCA5g=
              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:2668
              • 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\tmpB319.tmp.ps1"
                7⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2988
              • 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\tmpD0E8.tmp.ps1"
                7⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1616
                • C:\Windows\SysWOW64\nslookup.exe
                  "C:\Windows\system32\nslookup.exe" -type=any localhost
                  8⤵
                    PID:2276
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
                  7⤵
                    PID:1528
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
                    7⤵
                      PID:1732
              • C:\Windows\SysWOW64\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mawbuofejlg.vbs"
                4⤵
                  PID:2536
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\jlkqwbekk.vbs"
                  4⤵
                  • Blocklisted process makes network request
                  • Modifies system certificate store
                  PID:2860
              • 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:1320
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\cbheeip & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2224
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout 2
                    5⤵
                    • Delays execution with timeout.exe
                    PID:2300
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\ProgramData\cbheeip & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\New Feature\6_ico.exe"
                  4⤵
                    PID:2320
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout 2
                      5⤵
                      • Delays execution with timeout.exe
                      PID:2464
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\TtbzQgpfv & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Trojan.jc.22567.exe"
                2⤵
                • Deletes itself
                • Suspicious use of WriteProcessMemory
                PID:972
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 2
                  3⤵
                  • Delays execution with timeout.exe
                  PID:440

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1320-46-0x0000000004F60000-0x0000000004F71000-memory.dmp

              Filesize

              68KB

            • memory/1320-44-0x0000000004B50000-0x0000000004B61000-memory.dmp

              Filesize

              68KB

            • memory/1388-5-0x000007FEF68D0000-0x000007FEF6B4A000-memory.dmp

              Filesize

              2.5MB

            • memory/1584-2-0x0000000004EE9000-0x0000000004EFA000-memory.dmp

              Filesize

              68KB

            • memory/1584-4-0x00000000068A0000-0x00000000068A1000-memory.dmp

              Filesize

              4KB

            • memory/1584-3-0x00000000051E0000-0x00000000051F1000-memory.dmp

              Filesize

              68KB

            • memory/1616-129-0x00000000029F0000-0x00000000029F1000-memory.dmp

              Filesize

              4KB

            • memory/1616-126-0x0000000072A40000-0x000000007312E000-memory.dmp

              Filesize

              6.9MB

            • memory/1616-127-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

              Filesize

              4KB

            • memory/1616-128-0x0000000004C10000-0x0000000004C11000-memory.dmp

              Filesize

              4KB

            • memory/1616-131-0x00000000062E0000-0x00000000062E1000-memory.dmp

              Filesize

              4KB

            • memory/1616-130-0x0000000005520000-0x0000000005521000-memory.dmp

              Filesize

              4KB

            • memory/1712-48-0x0000000004BD0000-0x0000000004BE1000-memory.dmp

              Filesize

              68KB

            • memory/1712-49-0x0000000004FE0000-0x0000000004FF1000-memory.dmp

              Filesize

              68KB

            • memory/1992-47-0x0000000005130000-0x0000000005141000-memory.dmp

              Filesize

              68KB

            • memory/1992-45-0x0000000004D20000-0x0000000004D31000-memory.dmp

              Filesize

              68KB

            • memory/2156-66-0x0000000004D60000-0x0000000004D71000-memory.dmp

              Filesize

              68KB

            • memory/2156-67-0x0000000005170000-0x0000000005181000-memory.dmp

              Filesize

              68KB

            • memory/2488-77-0x0000000002FA0000-0x0000000002FB1000-memory.dmp

              Filesize

              68KB

            • memory/2488-76-0x0000000002BD0000-0x0000000002F9B000-memory.dmp

              Filesize

              3.8MB

            • memory/2536-86-0x0000000002860000-0x0000000002864000-memory.dmp

              Filesize

              16KB

            • memory/2584-87-0x0000000073E90000-0x0000000074033000-memory.dmp

              Filesize

              1.6MB

            • memory/2584-88-0x0000000002760000-0x0000000002DC0000-memory.dmp

              Filesize

              6.4MB

            • memory/2668-94-0x0000000073CE0000-0x0000000073E83000-memory.dmp

              Filesize

              1.6MB

            • memory/2668-95-0x0000000002670000-0x0000000002CD0000-memory.dmp

              Filesize

              6.4MB

            • memory/2860-100-0x0000000002810000-0x0000000002814000-memory.dmp

              Filesize

              16KB

            • memory/2988-115-0x00000000062D0000-0x00000000062D1000-memory.dmp

              Filesize

              4KB

            • memory/2988-103-0x0000000002250000-0x0000000002251000-memory.dmp

              Filesize

              4KB

            • memory/2988-102-0x0000000072B30000-0x000000007321E000-memory.dmp

              Filesize

              6.9MB

            • memory/2988-124-0x0000000006660000-0x0000000006661000-memory.dmp

              Filesize

              4KB

            • memory/2988-123-0x0000000006430000-0x0000000006431000-memory.dmp

              Filesize

              4KB

            • memory/2988-116-0x0000000006350000-0x0000000006351000-memory.dmp

              Filesize

              4KB

            • memory/2988-105-0x0000000002730000-0x0000000002731000-memory.dmp

              Filesize

              4KB

            • memory/2988-110-0x0000000006240000-0x0000000006241000-memory.dmp

              Filesize

              4KB

            • memory/2988-104-0x0000000004A00000-0x0000000004A01000-memory.dmp

              Filesize

              4KB

            • memory/2988-106-0x0000000005460000-0x0000000005461000-memory.dmp

              Filesize

              4KB