Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 22:04
Behavioral task
behavioral1
Sample
a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe
- Size 761KB
- Sample260423-1zd8msgz5m
- SHA256 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f
- MD5 0fab4c6f91e699575c776c1d7b7a59f3
- SHA1 fcec9e99fbbb9d2678b46ab956ba947b0627e58e
- SHA512 a3fa247cd20ccb06fe1df15f99e20b003a2516e31a83203d83825a362435c922c8b9ab4c5c8b7d2ec9bceb6ebd0701140b5748f652c8e39b3b4a7b68310a7394
- SSDEEP 12288:RSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:4vO2xJKRw2kOkxSkW298B
- TLSH T102F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2236 3204a0f0 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 1 114.114.114.114 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe Destination IP 2 223.5.5.5 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe Destination IP 9 114.114.114.114 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe Destination IP 10 223.5.5.5 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3204a0f0 File created C:\Windows\SysWOW64\3204a0f0 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3204a0f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3204a0f0 -
resource yara_rule behavioral2/memory/3196-0-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/files/0x002300000002b1f9-2.dat upx behavioral2/memory/2236-4-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral2/memory/3196-10-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/memory/2236-11-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral2/memory/2236-32-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2647f8 3204a0f0 File opened for modification C:\Windows\36b778 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe - 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 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3204a0f0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3204a0f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3204a0f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3204a0f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3204a0f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3204a0f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3204a0f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3204a0f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3204a0f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3204a0f0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2236 3204a0f0 2236 3204a0f0 2236 3204a0f0 2236 3204a0f0 2236 3204a0f0 2236 3204a0f0 2236 3204a0f0 2236 3204a0f0 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe Token: SeTcbPrivilege 3196 a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe Token: SeDebugPrivilege 2236 3204a0f0 Token: SeTcbPrivilege 2236 3204a0f0
Processes
-
C:\Users\Admin\AppData\Local\Temp\a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe"C:\Users\Admin\AppData\Local\Temp\a7c8000604aa319652903da7f639c95bcf907c98d118b564ec55b4045508848f.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196
-
C:\Windows\Syswow64\3204a0f0C:\Windows\Syswow64\3204a0f01⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3204a0f0
- Size 761KB
- SHA256 2d479468bc7ce57f90ab29a78a2669f4214b9bb03d0779b688ce95d9c6f457c7
- MD5 30d4a7bca637d5a146ae8f3934e3fc2a
- SHA1 cb0209de52852a72de227435d7a2714cfdfdbf15
- SHA512 5de35ddf36227cf7262d08680905538955324a7dbc11ce23da36050b26c6cd21c4f1ebbe9c393e8cb928e768aaea218227969062d9dbadf9e3d4290d12bedd00
- SSDEEP 12288:sSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:fvO2xJKRw2kOkxSkW298B
- TLSH T17EF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH