Overview

overview

10

Static

static

Loader-IDB.exe

windows10_x64

10

Resubmissions

13-08-2021 14:12

210813-q76n7r455s 10

13-08-2021 14:05

210813-mpgh2evkzs 10

Analysis

  • max time kernel
    300s
  • max time network
    302s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-08-2021 14:05

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General

  • Target

    Loader-IDB.exe

  • Size

    2.0MB

  • MD5

    fe4f22e8d5f3a4b2bcd81bd69429c12b

  • SHA1

    50eec07da09636ab7108e93a2a17224724d5f8c2

  • SHA256

    e0fb9bf9bd903a2ea4bc952b168482bd15af73dd1b4ae47529aa10fe6a9112a0

  • SHA512

    6295463804ae0b84e90a6dc04d4a673fce7eea5c8f3a9017aae52eb4ea6c0a522e94fe8f9b5403cd42449a78aac438d0d53e44457581d67c4cd94886054b0ef2

Score
10/10
webmonitorbackdoorinfostealerpersistenceratsuricataupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
    persistence
  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

    backdoorratinfostealerwebmonitor
  • WebMonitor Payload 3 IoCs
  • suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

    suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

    suricata
  • Executes dropped EXE 16 IoCs
  • UPX packed file 10 IoCs

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

    upx
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Suspicious use of SetThreadContext 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
    adwarespyware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader-IDB.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader-IDB.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\ProgramData\Anyname.exe
      "C:\ProgramData\Anyname.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Users\Admin\AppData\Local\Temp\Patch.exe
        Patch.exe /silent
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3836
      • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        3⤵
        • Executes dropped EXE
        PID:4080
      • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        3⤵
        • Executes dropped EXE
        PID:1872
      • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3796
        • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
          -d 56007 TCP
          4⤵
          • Executes dropped EXE
          PID:628
        • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
          -a 10.10.0.38 56007 56007 TCP
          4⤵
          • Executes dropped EXE
          PID:1636
        • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
          -d 56008 TCP
          4⤵
          • Executes dropped EXE
          PID:4012
        • C:\Users\Admin\AppData\Local\Temp\revpe.exe
          -a 10.10.0.38 56008 56008 TCP
          4⤵
          • Executes dropped EXE
          PID:3408
        • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
          -a 10.10.0.38 56008 56008 TCP
          4⤵
          • Executes dropped EXE
          PID:1896
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3192
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\082263967\zmstage.exe
      "C:\Users\Admin\AppData\Local\Temp\082263967\zmstage.exe"
      1⤵
        PID:3692
      • C:\Users\Admin\AppData\Local\Temp\082263967\zmstage.exe
        "C:\Users\Admin\AppData\Local\Temp\082263967\zmstage.exe"
        1⤵
          PID:2032
        • C:\Users\Admin\AppData\Local\Temp\082263967\zmstage.exe
          "C:\Users\Admin\AppData\Local\Temp\082263967\zmstage.exe"
          1⤵
            PID:4020
          • C:\Users\Admin\AppData\Local\Temp\Loader-IDB.exe
            "C:\Users\Admin\AppData\Local\Temp\Loader-IDB.exe"
            1⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2092
            • C:\ProgramData\Anyname.exe
              "C:\ProgramData\Anyname.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:3452
              • C:\Users\Admin\AppData\Local\Temp\Patch.exe
                Patch.exe /silent
                3⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:1208
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
              2⤵
                PID:3964
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
                2⤵
                • Modifies WinLogon for persistence
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                PID:3564
                • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                  C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                  3⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3340
            • C:\Users\Admin\AppData\Local\Temp\Loader-IDB.exe
              "C:\Users\Admin\AppData\Local\Temp\Loader-IDB.exe"
              1⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetWindowsHookEx
              PID:2720
              • C:\ProgramData\Anyname.exe
                "C:\ProgramData\Anyname.exe"
                2⤵
                • Executes dropped EXE
                PID:996
                • C:\Users\Admin\AppData\Local\Temp\Patch.exe
                  Patch.exe /silent
                  3⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:2116
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
                2⤵
                • Modifies WinLogon for persistence
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                PID:1208
                • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                  C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                  3⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1300
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\TraceUninstall.gif
              1⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:644
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:644 CREDAT:82945 /prefetch:2
                2⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4036

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/628-190-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

              Download

            • memory/628-166-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

              Download

            • memory/644-220-0x00007FFBC11C0000-0x00007FFBC122B000-memory.dmp

              Filesize

              428KB

              Download

            • memory/1208-195-0x0000000000950000-0x00000000009FE000-memory.dmp

              Filesize

              696KB

              Download

            • memory/1208-199-0x00000000053F0000-0x00000000058EE000-memory.dmp

              Filesize

              5.0MB

              Download

            • memory/2092-155-0x00000000006D0000-0x000000000081A000-memory.dmp

              Filesize

              1.3MB

              Download

            • memory/2720-191-0x0000000002A60000-0x0000000002A61000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3564-164-0x0000000000E00000-0x0000000000E01000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3564-165-0x00000000051B0000-0x00000000056AE000-memory.dmp

              Filesize

              5.0MB

              Download

            • memory/3796-142-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/3796-147-0x00000000032B0000-0x00000000042B0000-memory.dmp

              Filesize

              16.0MB

              Download

            • memory/3796-145-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

              Download

            • memory/3836-139-0x00000000076B0000-0x000000000772C000-memory.dmp

              Filesize

              496KB

              Download

            • memory/3836-134-0x00000000073B0000-0x00000000074A2000-memory.dmp

              Filesize

              968KB

              Download

            • memory/3836-133-0x0000000005910000-0x0000000005911000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3836-132-0x0000000005920000-0x0000000005921000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3836-131-0x00000000059B0000-0x00000000059B1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3836-130-0x0000000005EB0000-0x0000000005EB1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3836-127-0x0000000001340000-0x000000000148A000-memory.dmp

              Filesize

              1.3MB

              Download

            • memory/3836-126-0x0000000000400000-0x000000000057B000-memory.dmp

              Filesize

              1.5MB

              Download

            • memory/3984-116-0x00000000008B0000-0x00000000008B1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3984-123-0x00000000038F0000-0x00000000038F8000-memory.dmp

              Filesize

              32KB

              Download