Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/06/2025, 23:14

General

  • Target
    42f972925508a82236e8533567487761.exe
  • Size 3.7MB
  • Sample250617-28f92aspx3
  • SHA256 8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family
  • warzonerat

C2
  • sandyclark255.hopto.org:5200

Extracted

Family
  • darkcomet

Botnet
  • 2020NOV1

C2
  • sandyclark255.hopto.org:35887

Mutex
  • DC_MUTEX-6XT818D

Attributes
  • InstallPath

    excelsl.exe

  • gencode

    n7asq0Dbu7D2

  • install

    true

  • offline_keylogger

    true

  • password

    hhhhhh

  • persistence

    true

  • reg_key

    office

rc4.plain

Extracted

Family
  • babylonrat

C2
  • sandyclark255.hopto.org

Signatures

  • Babylon RAT

    Babylon RAT is remote access trojan written in C++.

  • Babylon RAT payload 11 IoCs
  • Babylonrat family
  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Njrat family
  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzonerat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Warzone RAT payload 2 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 19 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 6 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42f972925508a82236e8533567487761.exe
    "C:\Users\Admin\AppData\Local\Temp\42f972925508a82236e8533567487761.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Users\Admin\AppData\Local\Temp\pvU0PayQL8YID4nR.exe
      "C:\Users\Admin\AppData\Local\Temp\pvU0PayQL8YID4nR.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
      • C:\Windows\svehosts.exe
        "C:\Windows\svehosts.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:396
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\svehosts.exe" "svehosts.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:5004
    • C:\Users\Admin\AppData\Local\Temp\sUOL3yvGSz6mkgsD.exe
      "C:\Users\Admin\AppData\Local\Temp\sUOL3yvGSz6mkgsD.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3884
      • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
        "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3300
        • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
          "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe" 3300
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1896
          • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
            "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
            5⤵
            • Executes dropped EXE
            PID:3916
    • C:\Users\Admin\AppData\Local\Temp\isrXp5emKWAU3UOa.exe
      "C:\Users\Admin\AppData\Local\Temp\isrXp5emKWAU3UOa.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
        "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2160
        • C:\Users\Admin\Documents\excelsl.exe
          "C:\Users\Admin\Documents\excelsl.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1932
          • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
            "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
            5⤵
            • Disables RegEdit via registry modification
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4260
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 1092
            5⤵
            • Program crash
            PID:4752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 1140
        3⤵
        • Program crash
        PID:3912
    • C:\Users\Admin\AppData\Local\Temp\v2HfiNt5ZqfGJIyz.exe
      "C:\Users\Admin\AppData\Local\Temp\v2HfiNt5ZqfGJIyz.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\s1Tvvdjm32xMF0H3.exe
      "C:\Users\Admin\AppData\Local\Temp\s1Tvvdjm32xMF0H3.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe
        "C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 1160
        3⤵
        • Program crash
        PID:1228
    • C:\Users\Admin\AppData\Local\Temp\FjeL8cto2wkqFKT3.exe
      "C:\Users\Admin\AppData\Local\Temp\FjeL8cto2wkqFKT3.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3936
      • C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe
        "C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        PID:3244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 1160
        3⤵
        • Program crash
        PID:952
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 1544
      2⤵
      • Program crash
      PID:2920
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5040 -ip 5040
    1⤵
      PID:3316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5048 -ip 5048
      1⤵
        PID:1584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3936 -ip 3936
        1⤵
          PID:3376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3068 -ip 3068
          1⤵
            PID:1784
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\excelsl.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:4860
            • C:\Users\Admin\Documents\excelsl.exe
              C:\Users\Admin\Documents\excelsl.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3892
              • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
                "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
                3⤵
                • Disables RegEdit via registry modification
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1168
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1140
                3⤵
                • Program crash
                PID:3432
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1932 -ip 1932
            1⤵
              PID:656
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3892 -ip 3892
              1⤵
                PID:3748
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "C:\Windows\svehosts.exe" ..
                1⤵
                  PID:3092
                  • C:\Windows\svehosts.exe
                    C:\Windows\svehosts.exe ..
                    2⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:4288

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      excelsl.exe.log

                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\excelsl.exe.log
                      • Size 400B
                      • SHA256 c4c6e7ef90b460bf232e55933594a95ba4a2d156fa5accb06d1c7c2f817fcf35
                      • MD5 SHA1 SHA512

                      svthost.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
                      • Size 3.7MB
                      • SHA256 8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138
                      • MD5 SHA1 SHA512 SSDEEP

                      FjeL8cto2wkqFKT3.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\FjeL8cto2wkqFKT3.exe
                      • Size 336KB
                      • SHA256 ec1b56551036963a425f6a0564d75980054e01d251c88eb29c81c1b2182f5727
                      • MD5 SHA1 SHA512 SSDEEP

                      isrXp5emKWAU3UOa.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\isrXp5emKWAU3UOa.exe
                      • Size 742KB
                      • SHA256 f9f7b6f7b8c5068f9e29a5b50afca609018c50ffd61929e1b78124f5381868f1
                      • MD5 SHA1 SHA512 SSDEEP

                      pvU0PayQL8YID4nR.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\pvU0PayQL8YID4nR.exe
                      • Size 472KB
                      • SHA256 b82b23059e398b39f183ec833d498200029033b0fd3a138b6c2064a6fa3c4b93
                      • MD5 SHA1 SHA512 SSDEEP

                      s1Tvvdjm32xMF0H3.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\s1Tvvdjm32xMF0H3.exe
                      • Size 366KB
                      • SHA256 309385e6cd68c0dd148905c3147f77383edaf35da9609c0717da7df1a894e3ca
                      • MD5 SHA1 SHA512 SSDEEP

                      sUOL3yvGSz6mkgsD.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\sUOL3yvGSz6mkgsD.exe
                      • Size 801KB
                      • SHA256 7c3615c405f7a11f1c217b9ecd1000cf60a37bca7da1f2d12da21cc110b16b4d
                      • MD5 SHA1 SHA512 SSDEEP

                      v2HfiNt5ZqfGJIyz.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\v2HfiNt5ZqfGJIyz.exe
                      • Size 376KB
                      • SHA256 7bf9b7b25cf1671e5640f8eeac149f9a4e8c9f6c63415f4bd61bccb10ddf8509
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/1168-208-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/1168-209-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/1476-90-0x0000000000400000-0x0000000000554000-memory.dmp

                      memory/1476-87-0x0000000000400000-0x0000000000554000-memory.dmp

                      memory/2160-104-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/2160-109-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/2160-107-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/2608-78-0x0000000000A70000-0x0000000000AD4000-memory.dmp

                      memory/2608-79-0x0000000005930000-0x0000000005ED6000-memory.dmp

                      memory/2608-80-0x0000000005460000-0x00000000054F2000-memory.dmp

                      memory/2608-81-0x00000000055F0000-0x00000000055FA000-memory.dmp

                      memory/2608-84-0x00000000095A0000-0x00000000095C4000-memory.dmp

                      memory/2908-100-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/2908-179-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/2908-34-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/2908-35-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/3244-93-0x0000000000400000-0x000000000040F000-memory.dmp

                      memory/3244-96-0x0000000000400000-0x000000000040F000-memory.dmp

                      memory/3292-75-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/3300-195-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-221-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-211-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-192-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-193-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-196-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-189-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-191-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-184-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3300-187-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/3884-113-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/3884-36-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/3884-37-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/3884-101-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/3916-218-0x0000000000400000-0x00000000004C2000-memory.dmp

                      memory/4260-201-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/4260-203-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/4260-202-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/4260-200-0x0000000000400000-0x00000000004BA000-memory.dmp

                      memory/5040-3-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/5040-2-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/5040-1-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/5040-83-0x00000000749C0000-0x0000000074F71000-memory.dmp

                      memory/5040-0-0x00000000749C1000-0x00000000749C2000-memory.dmp