Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 20:56
Behavioral task
behavioral1
Sample
90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe
- Size 766KB
- Sample261001-zrf7layerb
- SHA256 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc
- MD5 4dad2dc2099fd8d003a1c9db7ed03d3d
- SHA1 9a06af0f4fdfa81a6ad82a6e9997b4ae13d7a5db
- SHA512 c16574b46877dc18421a87510d6af183065bce47caa17ddcbfa2d7701192abc433937f22f6f43bba247fc2af8501689acdc743a0153ef0a13d512d00dadc3056
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:LvO2xJKRw2kOkx2LFRvcUV
- TLSH T15CF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4168 8bfb7741 - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 94 114.114.114.114 4168 8bfb7741 Destination IP 290 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 288 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 311 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 343 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 1 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 40 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 41 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 95 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 149 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 150 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 181 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 235 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 182 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 236 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 312 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 344 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 397 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 398 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 451 114.114.114.114 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 452 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Destination IP 4 223.5.5.5 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8bfb7741 File created C:\Windows\SysWOW64\8bfb7741 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8bfb7741 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8bfb7741 -
resource yara_rule behavioral2/memory/828-0-0x00000000007D0000-0x000000000085C000-memory.dmp upx behavioral2/files/0x000500000000053e-2.dat upx behavioral2/memory/4168-4-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/828-18-0x00000000007D0000-0x000000000085C000-memory.dmp upx behavioral2/memory/4168-19-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/4168-42-0x0000000000560000-0x00000000005EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\475b90 8bfb7741 File opened for modification C:\Windows\e2cf8 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe - 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 8bfb7741 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 8bfb7741 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.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 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8bfb7741 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8bfb7741 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8bfb7741 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8bfb7741 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8bfb7741 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8bfb7741 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8bfb7741 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8bfb7741 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8bfb7741 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8bfb7741 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4168 8bfb7741 4168 8bfb7741 4168 8bfb7741 4168 8bfb7741 4168 8bfb7741 4168 8bfb7741 4168 8bfb7741 4168 8bfb7741 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Token: SeTcbPrivilege 828 90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe Token: SeDebugPrivilege 4168 8bfb7741 Token: SeTcbPrivilege 4168 8bfb7741
Processes
-
C:\Users\Admin\AppData\Local\Temp\90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.exe"C:\Users\Admin\AppData\Local\Temp\90dd3cb920e7aaa02a0ed3291d966c638d9f87583bf4ee4f8c7a866f2e16b9fc.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:828
-
C:\Windows\Syswow64\8bfb7741C:\Windows\Syswow64\8bfb77411⤵
- 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:4168
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\8bfb7741
- Size 766KB
- SHA256 33ad886c5657d98c6f4320bc63a950ff8b1e896e376f2e611218a5017fb1f81d
- MD5 f3dd62cbb5fde6125f59b580d54726e3
- SHA1 94f3d0c051af64b24b3cb13e685de0ac5a23ed82
- SHA512 af26d158cd8224fac04a1528a32d9e66140c91bc375fdb4829264b6a9138350f520bb42b25bd50d475c6957881edcce04baeade28222dbb76d097e1e90073cc6
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:QvO2xJKRw2kOkx2LFRvcUV
- TLSH T131F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH