Analysis
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max time kernel
118s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 04:54
Behavioral task
behavioral1
Sample
9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe
Resource
win10v2004-20241007-en
General
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Target
9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe
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Size
59KB
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MD5
d441db7f8d53a25cc5c6c54b973778a0
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SHA1
fef8d33d97a5dea872b87e4704d3f1a4da9a4c97
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SHA256
9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1e
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SHA512
92d8fd36e4a9941fcf25e20aabd31f3db7c1a4d6ec377b04bd7ec34c724585549e341022a5faa86f3655830d015dc543d01350b37719a46137fd97cbe969e47c
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SSDEEP
1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQT:OeodiUO4p13b9HiIeoutuh1aQT
Malware Config
Signatures
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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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe -
Executes dropped EXE 1 IoCs
pid Process 3684 AhnSvc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run" 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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resource yara_rule behavioral2/memory/2388-0-0x00000000004C0000-0x00000000004E7000-memory.dmp upx behavioral2/files/0x000b000000023b74-3.dat upx behavioral2/memory/3684-4-0x0000000000CC0000-0x0000000000CE7000-memory.dmp upx behavioral2/memory/2388-8-0x00000000004C0000-0x00000000004E7000-memory.dmp upx behavioral2/memory/3684-9-0x0000000000CC0000-0x0000000000CE7000-memory.dmp upx behavioral2/memory/3684-10-0x0000000000CC0000-0x0000000000CE7000-memory.dmp upx -
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 3 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 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AhnSvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe Token: SeDebugPrivilege 3684 AhnSvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2388 wrote to memory of 3684 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe 84 PID 2388 wrote to memory of 3684 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe 84 PID 2388 wrote to memory of 3684 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe 84 PID 2388 wrote to memory of 4600 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe 85 PID 2388 wrote to memory of 4600 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe 85 PID 2388 wrote to memory of 4600 2388 9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe"C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\ProgramData\AhnLab\AhnSvc.exe"C:\ProgramData\AhnLab\AhnSvc.exe" /run2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:4600
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD52e180b445385f6d952051fdebb58cdce
SHA1ea1e91ea7095f85415164a750c841bfbe47fab89
SHA256aeacfe9d676e0303ba3cc3cb790d4e005a4b19953257f1e573298f2791ab8210
SHA5124190e45c1bbf5e06aad805291788b37eb919b2307676fba4f7ab5d7309df19bff1cf2669ba12b92f496191f8762806cb98af15cc0263ed24afbc72f3c165a545