Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 19:46
Behavioral task
behavioral1
Sample
3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe
- Size 576KB
- Sample260702-yhfc9sdw2x
- SHA256 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623
- MD5 bce7b5677e411508698e5dfebe70a94a
- SHA1 b650310a843c338c60a02e5394ae47b95927c0cb
- SHA512 c4a4e1e6c0949437af848bf2eaf6d8f604c03fe03139cda0e0a5a8b4f2bab4468ebb97fc4a2bb65aaa07fc4275b72d8214ff38541e2d440db15bfc937cfd09e2
- SSDEEP 6144:YcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:YSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T119C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5676 71413b7e - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 59 223.5.5.5 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 112 114.114.114.114 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 115 223.5.5.5 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 1 114.114.114.114 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 2 223.5.5.5 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 20 114.114.114.114 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 21 223.5.5.5 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Destination IP 58 114.114.114.114 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 71413b7e File created C:\Windows\SysWOW64\71413b7e 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 71413b7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 71413b7e -
resource yara_rule behavioral2/memory/4916-0-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/5676-3-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral2/files/0x001a0000000118e0-2.dat upx behavioral2/memory/4916-18-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/5676-19-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral2/memory/5676-30-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\612cd8 71413b7e File opened for modification C:\Windows\5429e8 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.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 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71413b7e - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 71413b7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 71413b7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 71413b7e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 71413b7e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 71413b7e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 71413b7e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 71413b7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 71413b7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 71413b7e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5676 71413b7e 5676 71413b7e 5676 71413b7e 5676 71413b7e 5676 71413b7e 5676 71413b7e 5676 71413b7e 5676 71413b7e 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Token: SeTcbPrivilege 4916 3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe Token: SeDebugPrivilege 5676 71413b7e Token: SeTcbPrivilege 5676 71413b7e
Processes
-
C:\Users\Admin\AppData\Local\Temp\3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.exe"C:\Users\Admin\AppData\Local\Temp\3c98d85e656f43bcca55cfee55f590b1070a38d32be356ae53cf34021f99b623.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:4916
-
C:\Windows\Syswow64\71413b7eC:\Windows\Syswow64\71413b7e1⤵
- 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:5676
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\71413b7e
- Size 576KB
- SHA256 340484c767bd39a2df2a76e22e49ea2cd53ced1ae5d0bdbff49888daedc0a6f3
- MD5 9a30d540abc6b67b451491282eb2c2db
- SHA1 dcb5eb42e434dad329b5184cf3fcb96289d91d8a
- SHA512 108b396d013247bf1e34d008790f150100e40b93f2b067d5968a0defacfc8b121125cf6329693cfe422a977cc3d39b07c650e7804fc2bcc160a4415eccff4048
- SSDEEP 6144:TcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:TSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1A5C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH