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
21/07/2026, 03:20
Behavioral task
behavioral1
Sample
d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe
- Size 525KB
- Sample260721-dvr8dadw7m
- SHA256 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc
- MD5 0b30f142dd0f3468ed7f1482bf70134f
- SHA1 cf9acbb8c38264da4b3ba6f147f7989cfc91cc56
- SHA512 90d25e505bb95a4b786616fb3c473c120e09204252c0356265c83b7cb502277dbf59cb278554aa1a1b00a3fd5fc49291442cc17e4e953af492681b3550d34e17
- SSDEEP 6144:5cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:5SvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1C0B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2040 b1da9f2c - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 162 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 236 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 323 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 376 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 292 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 40 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 41 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 96 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 99 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 101 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 163 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 322 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 95 114.114.114.114 2040 b1da9f2c Destination IP 235 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 377 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 293 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 1 114.114.114.114 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Destination IP 2 223.5.5.5 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\b1da9f2c d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b1da9f2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1da9f2c -
resource yara_rule behavioral2/memory/3316-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/2040-3-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/3316-16-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral2/memory/2040-17-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/2040-38-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\22ecf0 b1da9f2c File opened for modification C:\Windows\38c568 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.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 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1da9f2c - 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\Content\CachePrefix b1da9f2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b1da9f2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b1da9f2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b1da9f2c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b1da9f2c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b1da9f2c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b1da9f2c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b1da9f2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b1da9f2c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2040 b1da9f2c 2040 b1da9f2c 2040 b1da9f2c 2040 b1da9f2c 2040 b1da9f2c 2040 b1da9f2c 2040 b1da9f2c 2040 b1da9f2c 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Token: SeTcbPrivilege 3316 d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe Token: SeDebugPrivilege 2040 b1da9f2c Token: SeTcbPrivilege 2040 b1da9f2c
Processes
-
C:\Users\Admin\AppData\Local\Temp\d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.exe"C:\Users\Admin\AppData\Local\Temp\d7b72f8cb3ef3fbe9ca1e1f4d1f3ec5c4bab119713e938f6ddb12a53be2e52cc.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:3316
-
C:\Windows\Syswow64\b1da9f2cC:\Windows\Syswow64\b1da9f2c1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:2040
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b1da9f2c
- Size 525KB
- SHA256 79d9e0a157aa27aa6eda9b1a7f83593caca118ddbbdeaaf3836d538615d04200
- MD5 cad7321073950cbdbf93caec02430d0f
- SHA1 7d909fb6d8a1a5a0154cd9495663a36f815610c8
- SHA512 89c9a0c88abf7e4d71c91240df0337f82365320c9bd111a4cced3d132066108f3eda82e421c6cb8dc8338452ff08c17c7b5b7b869879c446e881d6040689e6b2
- SSDEEP 6144:TcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:TSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T121B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH