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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2025, 17:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
semiacademicallyJXS4.exe
Resource
win7-20241010-en
windows7-x64
9 signatures
150 seconds
General
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Target
semiacademicallyJXS4.exe
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Size
189KB
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MD5
8e3275dc3c78d64e18c249f75d1afb2c
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SHA1
0d801f0831802531a97728c57c939ffe9d11e9ed
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SHA256
f179c883bcaf8fdf8d8dfeb1e46f4be7e9af1f531c27f43a053cc2be3f39544c
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SHA512
9806bfadd3cdca7664306d6958f0f73984139c746ca616481c848b6770a3f4e543ba23dafc0676275c7d1937baa1e15de20e9103779ebb6ad01fb91ef120ce45
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SSDEEP
3072:QA+MPNsjU+g/Pu92PkWMW50y4jrv34ClUCei7LwxxlXkV3Hv7Uwxp4wMCv:XJPxktlKiekVZ7MCv
Malware Config
Extracted
Family
koiloader
C2
http://78.142.29.118/implem.php
Signatures
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Koiloader family
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Detects KoiLoader payload 1 IoCs
resource yara_rule behavioral2/memory/748-0-0x0000000000A10000-0x0000000000A1D000-memory.dmp family_koi_loader -
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 semiacademicallyJXS4.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4392 taskmgr.exe Token: SeSystemProfilePrivilege 4392 taskmgr.exe Token: SeCreateGlobalPrivilege 4392 taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe 4392 taskmgr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\semiacademicallyJXS4.exe"C:\Users\Admin\AppData\Local\Temp\semiacademicallyJXS4.exe"1⤵
- System Location Discovery: System Language Discovery
PID:748
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4392