Analysis
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max time kernel
111s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 03:27
Static task
static1
Behavioral task
behavioral1
Sample
f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe
Resource
win10v2004-20241007-en
General
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Target
f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe
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Size
66KB
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MD5
bb6fc62c1ca58e441e45aafa76e53343
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SHA1
f4bf169caad0bc94e5d951b42b0884b20a67a7fa
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SHA256
f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190
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SHA512
87c388f703c8d3147a552faaec88a8630d7e87f018574082780a39b78b0927b0040a1712e250951353a37693d0de8033f2df64d12eb4bc4794c8c9af96d142e7
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SSDEEP
768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyXm7:Zr3Z5IfQIR81ad5yXm7
Malware Config
Signatures
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Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4516 attrib.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe -
Executes dropped EXE 1 IoCs
pid Process 1172 lyghost.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\Debug\lyghost.exe f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe File opened for modification C:\Windows\Debug\lyghost.exe f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe File opened for modification C:\Windows\Debug\lyghost.exe attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lyghost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3312 wrote to memory of 4516 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe 83 PID 3312 wrote to memory of 4516 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe 83 PID 3312 wrote to memory of 4516 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe 83 PID 3312 wrote to memory of 3440 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe 89 PID 3312 wrote to memory of 3440 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe 89 PID 3312 wrote to memory of 3440 3312 f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe 89 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4516 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe"C:\Users\Admin\AppData\Local\Temp\f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\lyghost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4516
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F2F0F6~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
PID:3440
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C:\Windows\Debug\lyghost.exeC:\Windows\Debug\lyghost.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1172
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD57d4efb81f2da8a1858dbcf3e2583cda4
SHA105f0dc60948ab401366ba95df173ebe9f3ecc293
SHA256797ec877c231b7336af6a70b0858574099b835458ef61142dbeb3836a86fa433
SHA51201a9d6f34ebd57f8bb4fc111826efcc69b5ad89cc214048b43504526a270879b4dbe89400d9c4963989d0fd1df4f075608c1a0d5598c58b73e8a5df95d6eda09