Analysis
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max time kernel
140s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-12-2024 11:11
Behavioral task
behavioral1
Sample
14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe
Resource
win10v2004-20241007-en
General
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Target
14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe
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Size
386KB
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MD5
7dc5ac82bb6ad9349aa264cf21b89f87
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SHA1
61904ea7be46eaf3749136d4095b1f158b8d70aa
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SHA256
14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc
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SHA512
6223155c9ef7b79077b2d6f83f28c89dfa2fc6c8bec2a8ba9dccd8f5718139ea243ca44d7af6cc1d1365ec6986521b3ad59b7a7b7c0f8232be707493390cac9a
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SSDEEP
3072:N6h5LJ0Q0CJpiw1w1HoFN6WtljaJuloHs+dtE3KznO:N6h5LJ5TJgZ1HoFN6WtljaJul+pnE6j
Malware Config
Signatures
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Chinese_generic_botnet family
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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Chinese Botnet payload 3 IoCs
resource yara_rule behavioral1/memory/2100-2-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet behavioral1/memory/2100-4-0x0000000000400000-0x0000000000505000-memory.dmp unk_chinese_botnet behavioral1/memory/2896-17-0x0000000000400000-0x0000000000505000-memory.dmp unk_chinese_botnet -
Executes dropped EXE 1 IoCs
pid Process 2896 Nkdnwua.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat Nkdnwua.exe -
resource yara_rule behavioral1/memory/2100-0-0x0000000000400000-0x0000000000505000-memory.dmp upx behavioral1/memory/2100-4-0x0000000000400000-0x0000000000505000-memory.dmp upx behavioral1/files/0x0007000000018742-10.dat upx behavioral1/memory/2896-11-0x0000000000400000-0x0000000000505000-memory.dmp upx behavioral1/memory/2896-17-0x0000000000400000-0x0000000000505000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe 14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe File opened for modification C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe 14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe -
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 14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Nkdnwua.exe -
Modifies data under HKEY_USERS 24 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections Nkdnwua.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Nkdnwua.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" Nkdnwua.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675} Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41 Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecision = "0" Nkdnwua.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadNetworkName = "Network 3" Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecisionReason = "1" Nkdnwua.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecisionTime = b051becdcf47db01 Nkdnwua.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Nkdnwua.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\b6-ca-83-25-1a-41 Nkdnwua.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" Nkdnwua.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecisionReason = "1" Nkdnwua.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecisionTime = b051becdcf47db01 Nkdnwua.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecision = "0" Nkdnwua.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2100 14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2100 14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2100 14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe 2896 Nkdnwua.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe"C:\Users\Admin\AppData\Local\Temp\14ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2100
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C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe"C:\Program Files (x86)\Microsoft Cuisgm\Nkdnwua.exe"1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
386KB
MD57dc5ac82bb6ad9349aa264cf21b89f87
SHA161904ea7be46eaf3749136d4095b1f158b8d70aa
SHA25614ae6f0c312155322d1af339f78179e9feff394bce60c7d51b7a6801f3f8d7dc
SHA5126223155c9ef7b79077b2d6f83f28c89dfa2fc6c8bec2a8ba9dccd8f5718139ea243ca44d7af6cc1d1365ec6986521b3ad59b7a7b7c0f8232be707493390cac9a