Analysis
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max time kernel
118s -
max time network
123s -
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, 02:57
Behavioral task
behavioral1
Sample
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
Resource
win10v2004-20241007-en
General
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Target
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
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Size
59KB
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MD5
f07609d1a6f7fa4ba49a665f263bfcb0
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SHA1
71003abc78404a765d2c80800ba471fc7c3565d0
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SHA256
9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082
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SHA512
d62b81db5f4314efe9879efa05d5345f42d38ef603321b8020e90489cb225e82696ecf40dc53c0b471356c113e2d14e1edac3fde941931f8cc61997fe551a2ac
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SSDEEP
1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQH:OeodiUO4p13b9HiIeoutuh1aQH
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe -
Executes dropped EXE 1 IoCs
pid Process 2536 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" 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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/5008-0-0x0000000000260000-0x0000000000287000-memory.dmp upx behavioral2/files/0x0008000000023c97-5.dat upx behavioral2/memory/2536-4-0x0000000000840000-0x0000000000867000-memory.dmp upx behavioral2/memory/5008-9-0x0000000000260000-0x0000000000287000-memory.dmp upx behavioral2/memory/2536-10-0x0000000000840000-0x0000000000867000-memory.dmp upx behavioral2/memory/2536-11-0x0000000000840000-0x0000000000867000-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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AhnSvc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe Token: SeDebugPrivilege 2536 AhnSvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5008 wrote to memory of 2536 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 85 PID 5008 wrote to memory of 2536 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 85 PID 5008 wrote to memory of 2536 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 85 PID 5008 wrote to memory of 1260 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 86 PID 5008 wrote to memory of 1260 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 86 PID 5008 wrote to memory of 1260 5008 9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe"C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.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:5008 -
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:2536
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:1260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD58e2905b8823c58c7764c432e0f2c0a38
SHA170c64ac0458d3138a0d439ab800febd52397f96b
SHA2564509fe0dc17855f5fcb0492b4c25060a3506e6912b3a44a79559d88ccfcc4ee2
SHA512d047d17ad41cc687c4f658431632e37b522f44285ad2c6be848dee6b3cec257e69bb667f092b51e46e6c06889803ca4c6291462f96ed4e0743f03e47fc3beafb