Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 876 3dc1c2cd - 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 5 114.114.114.114 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Destination IP 6 223.5.5.5 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Destination IP 34 114.114.114.114 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Destination IP 35 223.5.5.5 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3dc1c2cd File created C:\Windows\SysWOW64\3dc1c2cd 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3dc1c2cd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3dc1c2cd - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\eff58 3dc1c2cd File opened for modification C:\Windows\465498 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 3dc1c2cd - 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" 3dc1c2cd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3dc1c2cd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3dc1c2cd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3dc1c2cd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3dc1c2cd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3dc1c2cd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3dc1c2cd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3dc1c2cd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3dc1c2cd - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 876 3dc1c2cd 876 3dc1c2cd 876 3dc1c2cd 876 3dc1c2cd 876 3dc1c2cd 876 3dc1c2cd 876 3dc1c2cd 876 3dc1c2cd 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Token: SeTcbPrivilege 4108 3b79f106183e312402dcee2b50140c03c724a46ccaaf19ed3bd4d3333080e4d4.exe Token: SeDebugPrivilege 876 3dc1c2cd Token: SeTcbPrivilege 876 3dc1c2cd
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:4108
-
C:\Windows\Syswow64\3dc1c2cdC:\Windows\Syswow64\3dc1c2cd1⤵
- 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:876
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3dc1c2cd
- Size 3.3MB
- SHA256 f0d1355b949007c304b6592d7652b2fe10de5184452fc0517be21f9dd77521c1
- MD5 3a1ff5e7cc0c74401d4a49d54dea9dc8
- SHA1 1f7c6afa24a4cf12957327588d24cb33f3f364bf
- SHA512 b83f8c90301c5b8a54ea928995f9786133833fa5cc5a4f4509618a947d29f5cc5f7c4028f906526d7a7dc76fdf4d220eb45bdf3779c05c1390c5f2408d628c6f
- SSDEEP 24576:2vO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:2HHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T1F0F54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH