Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 19:40
Behavioral task
behavioral1
Sample
4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe
- Size 766KB
- Sample260718-ydhmtses9s
- SHA256 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702
- MD5 b1fadaf06171fc85e2e44f72b6c4c375
- SHA1 4c38632873825765b3f0d92cca32f2536bc5189a
- SHA512 561e5184711ac1b76a4536c6fa81424583ce3d21f7cee9ff4c046973898c172aedc53a531cdec4043b4aed0ad361076d7a70cd75a9d6086f7f82afb95c0d3fcd
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:EvO2xJKRw2kOkx2LFRvcUV
- TLSH T12DF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3756 b39c365c - 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 10 114.114.114.114 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe Destination IP 11 223.5.5.5 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe Destination IP 1 114.114.114.114 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe Destination IP 2 223.5.5.5 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.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\Content.IE5 b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b39c365c File created C:\Windows\SysWOW64\b39c365c 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b39c365c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b39c365c -
resource yara_rule behavioral2/memory/5056-0-0x00000000007F0000-0x000000000087C000-memory.dmp upx behavioral2/files/0x001300000001c4ec-4.dat upx behavioral2/memory/3756-3-0x0000000000370000-0x00000000003FC000-memory.dmp upx behavioral2/memory/5056-10-0x00000000007F0000-0x000000000087C000-memory.dmp upx behavioral2/memory/3756-11-0x0000000000370000-0x00000000003FC000-memory.dmp upx behavioral2/memory/3756-28-0x0000000000370000-0x00000000003FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\404dd8 b39c365c File opened for modification C:\Windows\568f80 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.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 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b39c365c - 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:" b39c365c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b39c365c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b39c365c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b39c365c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b39c365c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b39c365c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b39c365c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b39c365c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b39c365c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3756 b39c365c 3756 b39c365c 3756 b39c365c 3756 b39c365c 3756 b39c365c 3756 b39c365c 3756 b39c365c 3756 b39c365c 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe Token: SeTcbPrivilege 5056 4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe Token: SeDebugPrivilege 3756 b39c365c Token: SeTcbPrivilege 3756 b39c365c
Processes
-
C:\Users\Admin\AppData\Local\Temp\4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.exe"C:\Users\Admin\AppData\Local\Temp\4c74d860a797ae8af789d2bd690d387005293ca80d8ec66b66d326f9897e0702.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:5056
-
C:\Windows\Syswow64\b39c365cC:\Windows\Syswow64\b39c365c1⤵
- 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:3756
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5468
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b39c365c
- Size 766KB
- SHA256 9575383c4f216f29f2bd968020deb1943036bc1483e420197baa53689aac1bd9
- MD5 5a03df6ad4b753e456e7d535d7a638ce
- SHA1 1283218b2f3904cdce9b9ffb9fecac9c651a1f72
- SHA512 611218040e5962ed6766d35fcf5f6cf63700bafcab75164c0c844dbf74b4d1db91c3fbba5a9fce8f1e868babe80beb3edd8c1efcfaf816d09037b5acfd17628a
- SSDEEP 12288:RSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:4vO2xJKRw2kOkx2LFRvcUV
- TLSH T13CF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH