Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    22/05/2020, 11:41

General

  • Target
    b5961f407c0afef04c9406ba17cbae3fe4cc575b47e50081abbda0d96f9c0f18.exe
  • Size 17.2MB
  • Sample200522-3r1glz8gee
  • SHA256 b5961f407c0afef04c9406ba17cbae3fe4cc575b47e50081abbda0d96f9c0f18
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Loads dropped DLL 9 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

  • Drops file in Program Files directory 72 IoCs
  • Drops file in System32 directory 10 IoCs
  • Checks for installed software on the system 1 TTPs 95 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Executes dropped EXE 8 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 112 IoCs
  • Blacklisted process makes network request 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Enumerates connected drives 3 TTPs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Modifies registry class 26 IoCs
  • Drops file in Windows directory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5961f407c0afef04c9406ba17cbae3fe4cc575b47e50081abbda0d96f9c0f18.exe
    "C:\Users\Admin\AppData\Local\Temp\b5961f407c0afef04c9406ba17cbae3fe4cc575b47e50081abbda0d96f9c0f18.exe"
    1⤵
    • Checks for installed software on the system
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\RMS_{92BD19CF-C4E5-43B8-ABD6-D6881EE87E26}\host.msi" /qn
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:432
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Drops file in Program Files directory
    • Checks for installed software on the system
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Blacklisted process makes network request
    • Modifies data under HKEY_USERS
    • Modifies system certificate store
    • Modifies registry class
    • Drops file in Windows directory
    PID:1008
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E0D4B4A1377CE9BD1C37A53ED8821DDE
      2⤵
      • Loads dropped DLL
      PID:1320
    • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" -msi_copy "C:\Users\Admin\AppData\Local\Temp\RMS_{92BD19CF-C4E5-43B8-ABD6-D6881EE87E26}\host.msi"
      2⤵
      • Executes dropped EXE
      PID:1604
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /silentinstall
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1868
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /firewall
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Modifies data under HKEY_USERS
      PID:2876
    • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe" /start
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3920
  • C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe
    "C:\Program Files (x86)\Remote Manipulator System - Host\rutserv.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Modifies data under HKEY_USERS
    • Modifies system certificate store
    PID:1920
    • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:3656
      • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
        "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" /tray
        3⤵
        • Executes dropped EXE
        PID:2972
    • C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe
      "C:\Program Files (x86)\Remote Manipulator System - Host\rfusclient.exe" /tray
      2⤵
      • Executes dropped EXE
      • Suspicious use of SendNotifyMessage
      • Suspicious use of FindShellTrayWindow
      PID:1556
  • C:\Windows\system32\compattelrunner.exe
    C:\Windows\system32\compattelrunner.exe -m:aeinv.dll -f:UpdateSoftwareInventoryW
    1⤵
    • Checks for installed software on the system
    PID:3652

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/432-479-0x0000000000D90000-0x0000000000D94000-memory.dmp

        memory/1868-13-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-416-0x0000000003B00000-0x0000000003B01000-memory.dmp

        memory/1868-415-0x0000000004300000-0x0000000004301000-memory.dmp

        memory/1868-414-0x0000000003B00000-0x0000000003B01000-memory.dmp

        memory/1868-286-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-139-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-116-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-115-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-98-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-93-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-52-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-43-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-22-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-17-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-15-0x00000000038C0000-0x00000000038C1000-memory.dmp

        memory/1868-14-0x00000000040C0000-0x00000000040C1000-memory.dmp

        memory/1920-598-0x0000000002650000-0x0000000002651000-memory.dmp

        memory/1920-536-0x0000000002650000-0x0000000002651000-memory.dmp

        memory/1920-537-0x0000000002E50000-0x0000000002E51000-memory.dmp

        memory/1920-538-0x0000000002650000-0x0000000002651000-memory.dmp

        memory/1920-584-0x0000000002650000-0x0000000002651000-memory.dmp

        memory/1920-831-0x0000000002F40000-0x0000000002F41000-memory.dmp

        memory/1920-609-0x0000000002650000-0x0000000002651000-memory.dmp

        memory/1920-628-0x0000000002F40000-0x0000000002F41000-memory.dmp

        memory/1920-627-0x0000000003740000-0x0000000003741000-memory.dmp

        memory/1920-626-0x0000000002F40000-0x0000000002F41000-memory.dmp

        memory/2876-438-0x0000000003770000-0x0000000003771000-memory.dmp

        memory/2876-421-0x0000000003770000-0x0000000003771000-memory.dmp

        memory/2876-462-0x0000000003770000-0x0000000003771000-memory.dmp

        memory/2876-422-0x0000000003F70000-0x0000000003F71000-memory.dmp

        memory/2876-423-0x0000000003770000-0x0000000003771000-memory.dmp

        memory/3656-1039-0x0000000002F90000-0x0000000002F91000-memory.dmp

        memory/3656-1040-0x0000000003790000-0x0000000003791000-memory.dmp

        memory/3920-483-0x00000000041E0000-0x00000000041E1000-memory.dmp

        memory/3920-484-0x00000000039E0000-0x00000000039E1000-memory.dmp

        memory/3920-488-0x00000000039E0000-0x00000000039E1000-memory.dmp

        memory/3920-519-0x00000000039E0000-0x00000000039E1000-memory.dmp

        memory/3920-482-0x00000000039E0000-0x00000000039E1000-memory.dmp

        memory/4024-0-0x0000000004F30000-0x0000000004F31000-memory.dmp

        memory/4024-2-0x0000000004F30000-0x0000000004F31000-memory.dmp

        memory/4024-1-0x0000000005730000-0x0000000005731000-memory.dmp