Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/10/2026, 12:54
Static task
static1
Behavioral task
behavioral1
Sample
limclean.bat
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
limclean.bat
Resource
win11ltsc2024-20260911-en
General
- Target limclean.bat
- Size 6.1MB
- Sample261005-p5btxstblc
- SHA256 8ad1e81b511ad76a0dca74d39d82b8d7932d584d2047fb602b1ae4dd2eb6bada
- MD5 8a9ff886cb5880ed2e2345cb3948c73f
- SHA1 cf902893a232de1c4e07b3d207e2fba81bf4aedf
- SHA512 538c3993a5a800cdb6ddae9c2927dd1cb53169623b2d51e9a6c78acda6b55115495be066c2bf03bf09e69204da4e45bad06ee83aad2d3ed99f28572bbc5052dc
- SSDEEP 49152:VbQ8XLQygKiRO5FzresM8c/9uWBVPH1FBfB+ZevBcF7rIvBKBR3Z:P
- TLSH T19356140E7E4C1656CF2165FF702E8F09767204CB0A61AC50BD67796AADEA7C0B10C9E7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\_Microsoft67" adv4iqbsd1fsq59w.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3564 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation tmp511F.tmp.exe - Executes dropped EXE 2 IoCs
pid Process 5084 tmp511F.tmp.exe 3040 adv4iqbsd1fsq59w.exe -
pid Process 3484 certutil.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe - Looks up external IP address via web service 1 TTPs 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 58 api.ipify.org 59 api.ipify.org - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\_Microsoft67 adv4iqbsd1fsq59w.exe File opened for modification C:\Windows\_Microsoft67 adv4iqbsd1fsq59w.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 11 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 812 cmd.exe 4808 cmd.exe 4264 cmd.exe 1388 cmd.exe 2300 cmd.exe 4012 cmd.exe 5068 cmd.exe 372 cmd.exe 4452 cmd.exe 5616 cmd.exe 5252 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname adv4iqbsd1fsq59w.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain adv4iqbsd1fsq59w.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1600 PING.EXE 4584 PING.EXE - Delays execution with timeout.exe 1 IoCs
pid Process 1416 timeout.exe - Runs ping.exe 1 TTPs 2 IoCs
pid Process 1600 PING.EXE 4584 PING.EXE - Scheduled Task/Job: Scheduled Task 1 TTPs 9 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 556 schtasks.exe 5844 schtasks.exe 4064 schtasks.exe 5256 schtasks.exe 456 schtasks.exe 2896 schtasks.exe 1216 schtasks.exe 5216 schtasks.exe 2948 schtasks.exe - Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 3564 powershell.exe 3564 powershell.exe 3564 powershell.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe 3040 adv4iqbsd1fsq59w.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 3040 adv4iqbsd1fsq59w.exe - Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4808 wrote to memory of 3484 4808 cmd.exe 108 PID 4808 wrote to memory of 3564 4808 cmd.exe 109 PID 4808 wrote to memory of 1416 4808 cmd.exe 110 PID 3564 wrote to memory of 5084 3564 powershell.exe 112 PID 5084 wrote to memory of 372 5084 tmp511F.tmp.exe 113 PID 5084 wrote to memory of 3040 5084 tmp511F.tmp.exe 115 PID 372 wrote to memory of 5340 372 cmd.exe 116 PID 372 wrote to memory of 1600 372 cmd.exe 117 PID 372 wrote to memory of 4584 372 cmd.exe 118 PID 3040 wrote to memory of 5076 3040 adv4iqbsd1fsq59w.exe 121 PID 3040 wrote to memory of 4264 3040 adv4iqbsd1fsq59w.exe 122 PID 4264 wrote to memory of 5216 4264 cmd.exe 125 PID 3040 wrote to memory of 1388 3040 adv4iqbsd1fsq59w.exe 126 PID 1388 wrote to memory of 456 1388 cmd.exe 128 PID 3040 wrote to memory of 4452 3040 adv4iqbsd1fsq59w.exe 129 PID 4452 wrote to memory of 2948 4452 cmd.exe 131 PID 3040 wrote to memory of 2300 3040 adv4iqbsd1fsq59w.exe 132 PID 2300 wrote to memory of 556 2300 cmd.exe 134 PID 3040 wrote to memory of 4012 3040 adv4iqbsd1fsq59w.exe 135 PID 4012 wrote to memory of 5844 4012 cmd.exe 137 PID 3040 wrote to memory of 5068 3040 adv4iqbsd1fsq59w.exe 138 PID 5068 wrote to memory of 2896 5068 cmd.exe 140 PID 3040 wrote to memory of 5616 3040 adv4iqbsd1fsq59w.exe 141 PID 5616 wrote to memory of 1216 5616 cmd.exe 143 PID 3040 wrote to memory of 5252 3040 adv4iqbsd1fsq59w.exe 144 PID 5252 wrote to memory of 4064 5252 cmd.exe 146 PID 3040 wrote to memory of 812 3040 adv4iqbsd1fsq59w.exe 147 PID 812 wrote to memory of 5256 812 cmd.exe 149 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\limclean.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\system32\certutil.execertutil -decode "C:\Users\Admin\AppData\Local\Temp\xdzl.b64" "C:\Users\Admin\AppData\Local\Temp\dbvx.ps1"2⤵
- Deobfuscate/Decode Files or Information
PID:3484
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -NoP -NonI -W Hidden -EP Bypass -File "C:\Users\Admin\AppData\Local\Temp\dbvx.ps1"2⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\tmp511F.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp511F.tmp.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bnd_6ec476db\limfucker.bat" "4⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Windows\system32\chcp.comchcp 650015⤵PID:5340
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C:\Windows\system32\PING.EXEping -n 1 127.0.0.15⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1600
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C:\Windows\system32\PING.EXEping -n 1 127.0.0.15⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4584
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C:\Users\Admin\AppData\Local\Temp\bnd_6ec476db\adv4iqbsd1fsq59w.exe"C:\Users\Admin\AppData\Local\Temp\bnd_6ec476db\adv4iqbsd1fsq59w.exe"4⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="XuSb8Gp@8Sk>8Z" dir=in action=allow program="C:\Windows\_Microsoft67" enable=yes & exit5⤵PID:5076
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:5216
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:456
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:2948
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:556
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:5844
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:2896
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5616 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:1216
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5252 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:4064
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST & exit5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "" /tr "C:\Windows\_Microsoft67" /RL HIGHEST6⤵
- Scheduled Task/Job: Scheduled Task
PID:5256
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C:\Windows\system32\timeout.exetimeout /t 32⤵
- Delays execution with timeout.exe
PID:1416
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zeqg2l51.zw2.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\bnd_6ec476db\adv4iqbsd1fsq59w.exe
- Size 658KB
- SHA256 02d9edc6990f982dd15e24e18da4d948cf4aca843fbef57a66b681d887fa9f60
- MD5 315714d5b53a7f77abaceb7de879ace8
- SHA1 679a5680bd09a0013d698470b6bfc4bbd2d8efd8
- SHA512 289e69e3a125f54dce300c88efd2b20241f0a84659c0f0c548f86604d23b4323a0d0ac9dc23722886babfc6b2af906aa5dbcbd2e13f88d87e3992f562772517d
- SSDEEP 6144:MWwPRgWXrc4JNiUl8gcFSqsFwJtZTLYtwWwA+xBr1F4PckJlZZQsEeRr5mppbWf5:URPrc4XtilNr1FERZBrUpdEeks2pI6
- TLSH T1A3E4B5253B959E11E841163EC6BE2618D73260F22712AB47370BF7614D44AFEED2C3DA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\bnd_6ec476db\limfucker.bat
- Size 4KB
- SHA256 d65bae84f5db96692e61f0c11fa14d33a738a2eeaddf945459ea5714e2c3809d
- MD5 3bfc384f368049fbeb9fa8593590ccf4
- SHA1 f49749b2fd06f363eac19d0d29705876eba6c26e
- SHA512 051059d02868adf5ff9b1f3074bc0a885cca92ef2c2e7724f870515120daa957946919bc3bd3998936dbc3072a1df62af04b50f6b01b6d6ff0ddc26ad4bc989e
- SSDEEP 96:8xbaF8FGfdYjlOBoCM9ogq3Lsq9x2E3RdI5uFHuzp/kCEMX1WjsTe3exvR:wzltCM9m3Lsq9dXIhzdkCEMX1Wjs6OD
- TLSH T11991F2567C1DADEA6272E18288B0548AFE55C69F2F1B2EC834DF417E73423C1925C1E8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\dbvx.ps1
- Size 3.7MB
- SHA256 fee9a8f12119cad8743552d79a48ed670a0823bdcc66970f01db5251641e225b
- MD5 8c1b875dd08490ea99edc0b6f29e3321
- SHA1 351423011ec3b25c1822596f75af985f9f057f9f
- SHA512 180ad24c467f043b01164cb8a74038a7b957e047c04dcba27860c2cc41f31c1cad21cb6e0b79af6e07c74e89410ee0e4897878b2a0f9b1f0c125ee86fa626f3a
- SSDEEP 49152:dOA7w2AxBCpk7ybRtoi/YEklJBVITQ1gC5megtNbujqRzhqdPYmaqYfx1nKXBNa/:/
- TLSH T1F106128B4B2E9F9B1820387F7D21389659DCCCCCD5A8D2D0EB835D26F158D2D22B9B15
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp511F.tmp.exe
- Size 2.7MB
- SHA256 b6a657a8c0ecc15a4fefdcdc35ca990e90c854c7b911d7a5c5ebea311164c1f0
- MD5 c0bfbaea49f9529f1f7305b2b27a1cee
- SHA1 84f4bfda1a1bb59540e29b773b7a42e8f9754ecf
- SHA512 0a5a91dac1e6e0fdb5adaf84533ce762cd44d81920e9d08211852f34e11fab065eb13ec70670606c710cd5c88f83cf0ec0cf693e8fc7f8e8c3267ba9cced108d
- SSDEEP 49152:DbBxckwJ6LYB3lmQ6l943I/LevEh1sGM8YsY5W:4brB3G9D/LTh1sGM8AW
- TLSH T16ED5D0253B959E01E541163EC6BE2618D73260F22312AB47370BFB614D45AFEDD2C3EA
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\xdzl.b64
- Size 4KB
- SHA256 fc2bcf0c7e13a677ebcb9eaf767d310826b31cc6f4c265b12ff8b98bf5d86847
- MD5 00ef9d354741676800ee3826c62748fc
- SHA1 1c39c67d2fd53f1c33fa389903a28d17e5436b80
- SHA512 7ce1a965ad9eac38a46af33d25ad849d14e2aa25c118ce3dc8c47a4bcabd5acb2a5f67388882ed6f0c480576a22800317180199424781d26df46003c3cf3a3a2
- SSDEEP 96:nNoDGfWFtOkfkTt2S0ecNgPe8tTzwq2ZvO7NJ/WTRNXaKAcOb:niDmmfkTt2TeHm8tPwqCvWNJGRNqxF
- TLSH T17D916C8DE717EB83D2B4CD5971136257203464D03A2368AD16ADF868937BA1B0EE8C5D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\xdzl.b64
- Size 5.0MB
- SHA256 7ac23b28bb8782091b6927c8b13d4792b8720fab3902d2fa6dbc35c19d33ecf0
- MD5 6a11a403e57e49b1c9c54946e837d6f9
- SHA1 5faee8238b3684d349a155e0c4b98adf6cdcde71
- SHA512 a56adc8e986c2ef21bbe38b0be816388f697b3ff7bf6c4aed6b44a8fbf13194078645cfd905b17e30d424d23b21465854c91b15a9c71be3dd641f65bd782dc18
- SSDEEP 49152:W3+IFzTa0i+WnMf/hZOQCyYz7qOB1jsYvv3z954RAPKPDirUfr9h:E
- TLSH T15736F11623992FDF8964663DE13421198BE0041A5DB6235DBBE3EE0FFFEAD0C0916479
- MD5 SHA1 SHA512 SSDEEP TLSH