Analysis
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max time kernel
118s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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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Deletes itself 1 IoCs
pid Process 2628 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2932 AhnSvc.exe -
Loads dropped DLL 2 IoCs
pid Process 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.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 behavioral1/memory/2108-0-0x00000000009D0000-0x00000000009F7000-memory.dmp upx behavioral1/files/0x0027000000016d2c-7.dat upx behavioral1/memory/2932-11-0x0000000000100000-0x0000000000127000-memory.dmp upx behavioral1/memory/2108-15-0x00000000009D0000-0x00000000009F7000-memory.dmp upx behavioral1/memory/2932-19-0x0000000000100000-0x0000000000127000-memory.dmp upx behavioral1/memory/2932-21-0x0000000000100000-0x0000000000127000-memory.dmp upx behavioral1/memory/2108-25-0x00000000009D0000-0x00000000009F7000-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 2 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 cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe Token: SeDebugPrivilege 2932 AhnSvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2108 wrote to memory of 2932 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 30 PID 2108 wrote to memory of 2932 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 30 PID 2108 wrote to memory of 2932 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 30 PID 2108 wrote to memory of 2932 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 30 PID 2108 wrote to memory of 2628 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 31 PID 2108 wrote to memory of 2628 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 31 PID 2108 wrote to memory of 2628 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 31 PID 2108 wrote to memory of 2628 2108 97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"C:\Users\Admin\AppData\Local\Temp\97c7ecc4800eb1ff345fb94a469edc4f15c07539bdf583fcf6c07d28f774793bN.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\ProgramData\AhnLab\AhnSvc.exe"C:\ProgramData\AhnLab\AhnSvc.exe" /run2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2932
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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⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD50d659529a5289d145757602f8c9471e6
SHA124a1914c3732267d0a77961c61a7014d012d95cb
SHA2567338640dc8586f56bc79b94b08817a135eb86b49263e5fb4d25d7181ed2e68a4
SHA5123b27cbbf500657054b6ff29defbad5fab3f39ffb82faf51037ac56307203754093064a0034761132a40ad23b31afe4299d7c88e3af425d20f9d7f3c85e4b881b