Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 02:13
Behavioral task
behavioral1
Sample
f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe
- Size 830KB
- Sample260824-cnyk5sscnd
- SHA256 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f
- MD5 4f0bdbcaec6c9a12abe602a1416fcf2a
- SHA1 076c43ef2aed188915d596af379d3405ecdf69f5
- SHA512 32887e3062a9923d25a479865bc50fb582945780ad63d9d7be31a41a6974edbb6ed2ea29f3181034b7f1c4435393e28aa03692ea262a393580f62d8ef6639dae
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:0vO2xJKRw2kOkx2LFRvcUQPK
- TLSH T182055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1188 c4e902a4 - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 7 223.5.5.5 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 45 223.5.5.5 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 164 223.5.5.5 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 1 114.114.114.114 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 40 114.114.114.114 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 41 114.114.114.114 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 42 223.5.5.5 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 105 114.114.114.114 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 108 223.5.5.5 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Destination IP 163 114.114.114.114 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c4e902a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c4e902a4 File created C:\Windows\SysWOW64\c4e902a4 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe -
resource yara_rule behavioral2/memory/1856-0-0x0000000000960000-0x00000000009EC000-memory.dmp upx behavioral2/files/0x0008000000016cdf-2.dat upx behavioral2/memory/1188-3-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral2/memory/1856-16-0x0000000000960000-0x00000000009EC000-memory.dmp upx behavioral2/memory/1188-17-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral2/memory/1188-34-0x00000000000E0000-0x000000000016C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1456c8 c4e902a4 File opened for modification C:\Windows\1fc680 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.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 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4e902a4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c4e902a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c4e902a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c4e902a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c4e902a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c4e902a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c4e902a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c4e902a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c4e902a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c4e902a4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1188 c4e902a4 1188 c4e902a4 1188 c4e902a4 1188 c4e902a4 1188 c4e902a4 1188 c4e902a4 1188 c4e902a4 1188 c4e902a4 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Token: SeTcbPrivilege 1856 f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe Token: SeDebugPrivilege 1188 c4e902a4 Token: SeTcbPrivilege 1188 c4e902a4
Processes
-
C:\Users\Admin\AppData\Local\Temp\f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.exe"C:\Users\Admin\AppData\Local\Temp\f305d82e8e3590a304d6825ab11ca428ed4dcdfb5492dc410f107cccfc50ad3f.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:1856
-
C:\Windows\Syswow64\c4e902a4C:\Windows\Syswow64\c4e902a41⤵
- 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:1188
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c4e902a4
- Size 830KB
- SHA256 793158f50b9aeeacedc0c69d4059e430a31d15d976ccf24d455dbfe2222b201b
- MD5 e94acee979e80be8f0857b78d12fee29
- SHA1 71393d37ed7e3e4dfd67ea33f6c8fb979ddfcc10
- SHA512 53d4a9e413161d3a453f34cde252ebb484ff9d08895a6edfabe386b3898c5d22bc6e13a7520da4b9db57ca385db0afe9c03d52265182816fcf5119dc1396d6e3
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:2vO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1D6055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH