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Analysis

  • max time kernel
    150s
  • max time network
    102s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/06/2025, 17:28

General

  • Target
    42f972925508a82236e8533567487761.exe
  • Size 3.7MB
  • Sample250627-v1z9lsstdw
  • SHA256 8b5b38085f12d51393ed5a481a554074d3c482d53ecd917f2f5dffdf3d2ee138
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family
  • babylonrat

C2
  • sandyclark255.hopto.org

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

Signatures

  • Babylon RAT

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

  • Babylon RAT payload 10 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 25 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 18 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 46 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:1408
    • C:\Users\Admin\AppData\Local\Temp\0w4inwGlCpVVfzIR.exe
      "C:\Users\Admin\AppData\Local\Temp\0w4inwGlCpVVfzIR.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3892
      • 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:1620
        • 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:4948
    • C:\Users\Admin\AppData\Local\Temp\3Wx2SMEbJg3yEbOE.exe
      "C:\Users\Admin\AppData\Local\Temp\3Wx2SMEbJg3yEbOE.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
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
        "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
        3⤵
        • Executes dropped EXE
        PID:4428
      • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
        "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
        3⤵
        • Executes dropped EXE
        PID:6000
      • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
        "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
        3⤵
        • Executes dropped EXE
        PID:2892
      • 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:228
        • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
          "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe" 228
          4⤵
          • 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:2220
          • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
            "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:404
    • C:\Users\Admin\AppData\Local\Temp\cJo4gQHB70gfX2IZ.exe
      "C:\Users\Admin\AppData\Local\Temp\cJo4gQHB70gfX2IZ.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2072
      • 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:4664
        • 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:5356
          • 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:3144
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5356 -s 1104
            5⤵
            • Program crash
            PID:1420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 1172
        3⤵
        • Program crash
        PID:648
    • C:\Users\Admin\AppData\Local\Temp\nPUhfWBjxSWsqByv.exe
      "C:\Users\Admin\AppData\Local\Temp\nPUhfWBjxSWsqByv.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:6088
    • C:\Users\Admin\AppData\Local\Temp\64rN6kBRQXcTmDUz.exe
      "C:\Users\Admin\AppData\Local\Temp\64rN6kBRQXcTmDUz.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:4632
      • C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe
        "C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe"
        3⤵
        • Executes dropped EXE
        PID:4652
      • 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:2380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 1164
        3⤵
        • Program crash
        PID:276
    • C:\Users\Admin\AppData\Local\Temp\1ZtpYoP2El1e5zaL.exe
      "C:\Users\Admin\AppData\Local\Temp\1ZtpYoP2El1e5zaL.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4836
      • C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe
        "C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe"
        3⤵
        • Executes dropped EXE
        PID:1504
      • C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe
        "C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        PID:5348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 1172
        3⤵
        • Program crash
        PID:4180
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:4960
    • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
      "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
      2⤵
      • Executes dropped EXE
      PID:5044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 1676
      2⤵
      • Program crash
      PID:4956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1408 -ip 1408
    1⤵
      PID:5296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4632 -ip 4632
      1⤵
        PID:4516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4836 -ip 4836
        1⤵
          PID:4412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2072 -ip 2072
          1⤵
            PID:2124
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\excelsl.exe
            1⤵
              PID:5216
              • 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
                PID:1312
                • 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:4004
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 1140
                  3⤵
                  • Program crash
                  PID:4080
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5356 -ip 5356
              1⤵
                PID:4520
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1312 -ip 1312
                1⤵
                  PID:1820
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c "C:\Windows\svehosts.exe" ..
                  1⤵
                    PID:2584
                    • C:\Windows\svehosts.exe
                      C:\Windows\svehosts.exe ..
                      2⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:5676

                  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 8569d2c81b84f420a3b7d999e4b51124acff66707c37eecaaf316954a68ce7bd
                        • MD5 SHA1 SHA512

                        0w4inwGlCpVVfzIR.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\0w4inwGlCpVVfzIR.exe
                        • Size 472KB
                        • SHA256 b82b23059e398b39f183ec833d498200029033b0fd3a138b6c2064a6fa3c4b93
                        • MD5 SHA1 SHA512 SSDEEP

                        1ZtpYoP2El1e5zaL.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\1ZtpYoP2El1e5zaL.exe
                        • Size 336KB
                        • SHA256 ec1b56551036963a425f6a0564d75980054e01d251c88eb29c81c1b2182f5727
                        • MD5 SHA1 SHA512 SSDEEP

                        3Wx2SMEbJg3yEbOE.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\3Wx2SMEbJg3yEbOE.exe
                        • Size 801KB
                        • SHA256 7c3615c405f7a11f1c217b9ecd1000cf60a37bca7da1f2d12da21cc110b16b4d
                        • MD5 SHA1 SHA512 SSDEEP

                        64rN6kBRQXcTmDUz.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\64rN6kBRQXcTmDUz.exe
                        • Size 366KB
                        • SHA256 309385e6cd68c0dd148905c3147f77383edaf35da9609c0717da7df1a894e3ca
                        • MD5 SHA1 SHA512 SSDEEP

                        svthost.exe

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

                        cJo4gQHB70gfX2IZ.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\cJo4gQHB70gfX2IZ.exe
                        • Size 742KB
                        • SHA256 f9f7b6f7b8c5068f9e29a5b50afca609018c50ffd61929e1b78124f5381868f1
                        • MD5 SHA1 SHA512 SSDEEP

                        nPUhfWBjxSWsqByv.exe

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

                        memory/228-113-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-110-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-95-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-97-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-220-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-193-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-107-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-101-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/228-112-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/404-211-0x0000000000400000-0x00000000004C2000-memory.dmp

                        memory/1408-1-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/1408-84-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/1408-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/1408-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

                        memory/2380-104-0x0000000000400000-0x0000000000554000-memory.dmp

                        memory/2380-106-0x0000000000400000-0x0000000000554000-memory.dmp

                        memory/3144-218-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-248-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-288-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-283-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-278-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-273-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-268-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-263-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-258-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-253-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-232-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-217-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-238-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-216-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-243-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3144-215-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/3892-206-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/3892-32-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/3892-190-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/3892-31-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/4004-226-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/4004-225-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/4664-131-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/4664-133-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/4664-128-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/5044-78-0x0000000000400000-0x00000000004BA000-memory.dmp

                        memory/5064-44-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/5064-191-0x00000000747F0000-0x0000000074DA1000-memory.dmp

                        memory/5348-122-0x0000000000400000-0x000000000040F000-memory.dmp

                        memory/5348-119-0x0000000000400000-0x000000000040F000-memory.dmp

                        memory/6088-76-0x00000000056D0000-0x0000000005C76000-memory.dmp

                        memory/6088-73-0x0000000000730000-0x0000000000794000-memory.dmp

                        memory/6088-82-0x00000000056A0000-0x00000000056C4000-memory.dmp

                        memory/6088-80-0x0000000005120000-0x00000000051B2000-memory.dmp

                        memory/6088-81-0x0000000005100000-0x000000000510A000-memory.dmp