Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 19:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe
- Size 3.3MB
- Sample260718-ylvmcsbt3p
- SHA256 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4
- MD5 cab6f4f6a48d14ac87c7e749a3d29f21
- SHA1 014920a1fe029018f24d82afe56743838050cee2
- SHA512 e93d9b398518b42dfb274def77a209316426fecad126179c6fc760dd1f35d1e29a9a43571139fb532da40bcf48dda31cc1cce7983ec335480f30d9f67c805404
- SSDEEP 24576:9vO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:9HHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T1B9F54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6140 37f541ea - 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 4 223.5.5.5 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Destination IP 17 114.114.114.114 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Destination IP 18 223.5.5.5 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Destination IP 1 114.114.114.114 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\37f541ea 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 37f541ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 37f541ea - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\691e78 37f541ea File opened for modification C:\Windows\2f86b0 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.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 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37f541ea - 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 37f541ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 37f541ea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 37f541ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 37f541ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 37f541ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 37f541ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 37f541ea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 37f541ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 37f541ea - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6140 37f541ea 6140 37f541ea 6140 37f541ea 6140 37f541ea 6140 37f541ea 6140 37f541ea 6140 37f541ea 6140 37f541ea 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Token: SeTcbPrivilege 2776 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Token: SeDebugPrivilege 6140 37f541ea Token: SeTcbPrivilege 6140 37f541ea
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe"C:\Users\Admin\AppData\Local\Temp\3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.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:2776
-
C:\Windows\Syswow64\37f541eaC:\Windows\Syswow64\37f541ea1⤵
- 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:6140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\37f541ea
- Size 3.3MB
- SHA256 69593a65c5738bf9ee319d3591c768e6c857fb8c7663def6436cf0769792c817
- MD5 916eaf397061bef534d02a076b582fdd
- SHA1 3c436a6ed965ee91450194746ef592f422ab0b97
- SHA512 163fed2d914e799b2d16b249ae04a492bae4981222f6058b41d92bbbafb8260e4e39438c8e40b79b988f088788ce2c981de6ae1f762b10e9be2d3a0e251a9de8
- SSDEEP 24576:vvO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:vHHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T1DBF54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH