Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/10/2026, 19:45
Behavioral task
behavioral1
Sample
efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe
- Size 576KB
- Sample261012-ygfyeaev2w
- SHA256 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5
- MD5 3f55edad831c1c341bffe0d95474535c
- SHA1 6e35698e691472ff2999412e188b89707f878d0d
- SHA512 c6b87a85d52326a4d89a050a29381f4ebdfc96ebbffb7c313c6f0e7be7a778b06b6c2f6363fff0b726d0805ee6d18071d5bbaa46a0eee39c14de164a70af8530
- SSDEEP 6144:GcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:GSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T17DC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4116 3b9caba7 - Unexpected DNS network traffic destination 23 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 235 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 407 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 5 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 39 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 40 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 280 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 351 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 406 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 460 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 461 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 3 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 148 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 149 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 282 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 321 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 94 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 180 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 181 223.5.5.5 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 234 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 319 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 320 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 350 114.114.114.114 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Destination IP 93 114.114.114.114 4116 3b9caba7 - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3b9caba7 File created C:\Windows\SysWOW64\3b9caba7 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3b9caba7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3b9caba7 -
resource yara_rule behavioral2/memory/3316-0-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/files/0x000600000001b857-2.dat upx behavioral2/memory/4116-3-0x0000000000650000-0x00000000006DC000-memory.dmp upx behavioral2/memory/3316-18-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/4116-19-0x0000000000650000-0x00000000006DC000-memory.dmp upx behavioral2/memory/4116-42-0x0000000000650000-0x00000000006DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\38c568 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe File opened for modification C:\Windows\4677a8 3b9caba7 - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 3b9caba7 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 3b9caba7 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.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 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3b9caba7 - 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\Cookies\CachePrefix = "Cookie:" 3b9caba7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3b9caba7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3b9caba7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3b9caba7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3b9caba7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3b9caba7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3b9caba7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3b9caba7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3b9caba7 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4116 3b9caba7 4116 3b9caba7 4116 3b9caba7 4116 3b9caba7 4116 3b9caba7 4116 3b9caba7 4116 3b9caba7 4116 3b9caba7 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Token: SeTcbPrivilege 3316 efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe Token: SeDebugPrivilege 4116 3b9caba7 Token: SeTcbPrivilege 4116 3b9caba7
Processes
-
C:\Users\Admin\AppData\Local\Temp\efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe"C:\Users\Admin\AppData\Local\Temp\efb7098cec116125616c6ea8b3c1ac36b3a7eb3f72214937435e3d4841c6d9e5.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3316
-
C:\Windows\Syswow64\3b9caba7C:\Windows\Syswow64\3b9caba71⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3b9caba7
- Size 576KB
- SHA256 7e552e91eceb051af41518a03f9b415f6386e10852cf6195729ac5c72ecf3948
- MD5 77464aed2a9660edb4ab88814a62bc13
- SHA1 b033568b2d45a48141c6e5de1cc4db2e90a618e9
- SHA512 ca1c9ddabaf67147bcad84abcb35ac05ed4617851024b46321170f82392ec503970444d46ce0a99a6c710e7f6e93f073f006084a24ee54b054a06ea2b2c0fbd9
- SSDEEP 6144:0cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:0SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T132C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH