Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 18:39
Behavioral task
behavioral1
Sample
97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe
Resource
win10v2004-20241007-en
General
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Target
97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe
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Size
59KB
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MD5
0196c320e7dc5d216ffc6b49c90eaaf0
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SHA1
95232ab6d98a9ec14b20dd577fa20bcd12d6d97b
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SHA256
97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793b
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SHA512
a24ae172530900da7bb9cb56875d9937f0a8ce91bed2ab9d2b796650182ef163cbaf08e8c4f73cbc41022d00a69784d310a10fe2f4fb65a46b9546f1d573c67e
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SSDEEP
1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQG:OeodiUO4p13b9HiIeoutuh1aQG
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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe -
Executes dropped EXE 1 IoCs
pid Process 732 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" 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.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/4852-0-0x0000000000850000-0x0000000000877000-memory.dmp upx behavioral2/memory/732-4-0x0000000000DD0000-0x0000000000DF7000-memory.dmp upx behavioral2/files/0x000a000000023b69-3.dat upx behavioral2/memory/4852-8-0x0000000000850000-0x0000000000877000-memory.dmp upx behavioral2/memory/732-9-0x0000000000DD0000-0x0000000000DF7000-memory.dmp upx behavioral2/memory/732-10-0x0000000000DD0000-0x0000000000DF7000-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 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.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 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe Token: SeDebugPrivilege 732 AhnSvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4852 wrote to memory of 732 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 83 PID 4852 wrote to memory of 732 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 83 PID 4852 wrote to memory of 732 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 83 PID 4852 wrote to memory of 4992 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 84 PID 4852 wrote to memory of 4992 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 84 PID 4852 wrote to memory of 4992 4852 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.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:4852 -
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:732
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:4992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD562aedd9a8cae626529f7b0d3293dcaff
SHA1ec8fc1ddef2d694e226cd95a8d9ea0e658b65987
SHA2567226d2dc2484f51522edfe9746c876fbfdbf3e97428efabefd0eac6e74c06bb0
SHA512f032ae026932414037e1e4ebcd1c83f0310b2f6843ba7a8eb892fe0cdf8cff3619eadebfaa630f9df283642bec18ddb82c7598e504ab03671cefaec582c4fe6d