Analysis
- user interaction
yes - max time kernel
299s - max time network
204s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260911-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
29/10/2026, 19:01
Static task
static1
Behavioral task
behavioral1
Sample
BotMek-Install.exe
Resource
win10ltsc2021-20260911-en
16 signatures
300 seconds
General
- Target BotMek-Install.exe
- Size 4.1MB
- Sample261029-xpcqaasvav
- SHA256 807e72c85ab94278d9e0bb16ce82c18762a609092ab9d35305db042d61cdddfd
- MD5 453bee2b8e8a448bdb7ac22c1047230b
- SHA1 0f9c74d4b3658e2beb438a5bdef8ac73294e8f52
- SHA512 a2fdf9176446617aadd645a05378eff7716d9855a36e13d1e4081d3695cad2bd8cd4c8ad7b773b7609c1feeb236615e466928b812234ca0ab17b745e9c958fac
- SSDEEP 98304:Sh1v9HjyVq2cnhtjxpNpaL8M+RzOtf6RbWJ2JncryoV7nqStUwifpceyK:STvRyVq5nnTNpa1YJxoxF6
- TLSH T1AB1623BC2BB4CB14DA29037904D8D5B04BEA6FE1B187D352D8E97EB3357336885215CA
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
flow pid Process 30 3828 BotMek-Install.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-1-5-21-1531437071-3039716239-3530695936-1000\Control Panel\International\Geo\Nation BotMek-Install.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 3828 BotMek-Install.exe 3828 BotMek-Install.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 8 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Keyran\dll\keyboard.dll Keyran.exe File created C:\Program Files (x86)\Keyran\dll\dkb32.dll Keyran.exe File opened for modification C:\Program Files (x86)\Keyran\dll\dkb32.dll Keyran.exe File created C:\Program Files (x86)\Keyran\Keyran.exe.update BotMek-Install.exe File created C:\Program Files (x86)\Keyran\Uninstall.exe BotMek-Install.exe File created C:\Program Files (x86)\Keyran\license.ini BotMek-Install.exe File opened for modification C:\Program Files (x86)\Keyran\logs\all.log Keyran.exe File created C:\Program Files (x86)\Keyran\dll\keyboard.dll Keyran.exe - Executes dropped EXE 1 IoCs
pid Process 568 Keyran.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 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 BotMek-Install.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain BotMek-Install.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Keyran.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Keyran.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Keyran.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\Keyran.exe = "11000" Keyran.exe Set value (int) \REGISTRY\USER\S-1-5-21-1531437071-3039716239-3530695936-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\Keyran.exe = "11000" Keyran.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 568 Keyran.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3828 BotMek-Install.exe Token: SeDebugPrivilege 568 Keyran.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 568 Keyran.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 568 Keyran.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 568 Keyran.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3828 wrote to memory of 568 3828 BotMek-Install.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\BotMek-Install.exe"C:\Users\Admin\AppData\Local\Temp\BotMek-Install.exe"1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Program Files (x86)\Keyran\Keyran.exe"C:\Program Files (x86)\Keyran\Keyran.exe"2⤵
- Drops file in Program Files directory
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:568
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Keyran\Keyran.exe
- Size 22.7MB
- SHA256 ff89fb37eaec40541618cdce66f588b1bc16193897ac26edd902e5b8629f24e0
- MD5 2904ad03133ed5944b35d1af711929ef
- SHA1 53685794709837b564f0ffe1e897daea579c23a4
- SHA512 4b5d3172a69a215f156d26402648ed6ee062669753562d39169d8f388c51cd2058476457152c043216d78a33f14cc75c8a2587f8b3979d8ccddb23095f260e67
- SSDEEP 393216:IsoP/m9+x+W5lGIO9qA3bgweVGbBsvchMpghU97rcTjfFH68cMLm4PIn4n//+nRh:FoWU5Ar9n31ocK197rcTBH68TLVPI4nu
- TLSH T13A37F142137DEE20E57A46774270823017DA9C6CBFC6CB6AA3D47C6F2ED2792532605B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files (x86)\Keyran\license.ini
- Size 95KB
- SHA256 0decdd9208bea0cf9fbf387dd9692e91b508ec6d65fce870d651d941eb67e67f
- MD5 3f476af62a6232139c09abf45aa80d7c
- SHA1 ac976124e4dd5f8fe56adeda304c6226f9a36db7
- SHA512 6d12ff9b9e80679c33b065bc687fb6ffb251ed939ae2c4c27b5b31a9188a0283b1328564335b2e05669d510ef0494122170c750734fc44347b7bf772f1701a18
- SSDEEP 1536:Wf/YFBdnilevyN9HREz/J/EyxVlXQwtrLDWai5JbeRIiiMimOllNZXTME5VY/ZSE:Wf/YFBdnilevyN9xEzBMyxV1QorvWaik
- TLSH T1C49336A15AAE548E1102F01BD904BE093CEB45FE3FAA536A15943D7F34F2038CB7D65A
- MD5 SHA1 SHA512 SSDEEP TLSH