Analysis
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max time kernel
118s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-11-2024 02:34
Behavioral task
behavioral1
Sample
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe
Resource
win10v2004-20241007-en
General
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Target
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe
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Size
155KB
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MD5
22058cd198d45b4c8389718f506d29b0
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SHA1
9b06df1b05085ab008aaed80252c5238ae10149e
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SHA256
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62
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SHA512
cd2d4204c92b4989256e96b2d5ad1480eb66eb917af2aeba247011fc45dfc704ab49fbc93aa84ac874a4473d0879f91df47ed1ba78ce8dd87cc58bfe83eb9b40
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SSDEEP
3072:Q79l86WqGzIfjZIVPXwu7xXIeout9nr7Xh1aQ4:QrzW/zeZiPpOeoS9/Xh0Q4
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.
Processes:
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe -
Executes dropped EXE 1 IoCs
Processes:
AhnSvc.exepid Process 1956 AhnSvc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run" 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Processes:
resource yara_rule behavioral2/memory/2360-0-0x0000000000DA0000-0x0000000000DCA000-memory.dmp upx behavioral2/files/0x0007000000023c94-3.dat upx behavioral2/memory/1956-5-0x0000000000250000-0x000000000027A000-memory.dmp upx behavioral2/memory/2360-8-0x0000000000DA0000-0x0000000000DCA000-memory.dmp upx behavioral2/memory/1956-9-0x0000000000250000-0x000000000027A000-memory.dmp upx behavioral2/memory/1956-10-0x0000000000250000-0x000000000027A000-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.
Processes:
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exeAhnSvc.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.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
Processes:
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exeAhnSvc.exedescription pid Process Token: SeDebugPrivilege 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe Token: SeDebugPrivilege 1956 AhnSvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exedescription pid Process procid_target PID 2360 wrote to memory of 1956 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe 83 PID 2360 wrote to memory of 1956 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe 83 PID 2360 wrote to memory of 1956 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe 83 PID 2360 wrote to memory of 2768 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe 84 PID 2360 wrote to memory of 2768 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe 84 PID 2360 wrote to memory of 2768 2360 4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe"C:\Users\Admin\AppData\Local\Temp\4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.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:2360 -
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:1956
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:2768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
155KB
MD5269c87b57d563d60bbb03d19f446d040
SHA105307434a0cd94f2008750414f3715151dccfff3
SHA2569357a8c41f412306d411da725490128b1e4a7e9ca8cb754acf40a33dab63e79c
SHA5127e51b4efd53cd4b5ae5a7c34648ea69c35228baa70f552898a415658a92bafac8dcec1845e7320bc0c820c3432f9f9aae6b4157bfac73b6d0a507f63643ec2c9