Analysis
- max time kernel
150s - 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
30/07/2026, 04:09
Behavioral task
behavioral1
Sample
da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe
- Size 640KB
- Sample260730-eq9sasbe22
- SHA256 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff
- MD5 8683a19344fa40324e746518f6a6d889
- SHA1 6f4372634bb18f9912efd1ccbb3df1dbb84809e8
- SHA512 a4ad2de41e94e09609b80e6821a2a0168cda65842b00f7bf769dd63aaac413b3a5d9ed7a2f091b0826e2d44b45efb8d57aee886a57c1f89450049e00a0d1ffa9
- SSDEEP 6144:JcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:JSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T133D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1404 36dd395b - 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 1 114.114.114.114 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Destination IP 3 223.5.5.5 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Destination IP 16 114.114.114.114 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Destination IP 17 223.5.5.5 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 36dd395b File created C:\Windows\SysWOW64\36dd395b da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 36dd395b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 36dd395b -
resource yara_rule behavioral2/memory/4188-0-0x0000000000C80000-0x0000000000D0C000-memory.dmp upx behavioral2/files/0x000700000001b871-2.dat upx behavioral2/memory/1404-3-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/memory/4188-10-0x0000000000C80000-0x0000000000D0C000-memory.dmp upx behavioral2/memory/1404-11-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/memory/1404-28-0x0000000000770000-0x00000000007FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\180978 36dd395b File opened for modification C:\Windows\47b338 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.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 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 36dd395b - 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 36dd395b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 36dd395b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 36dd395b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 36dd395b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 36dd395b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 36dd395b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 36dd395b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 36dd395b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 36dd395b - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1404 36dd395b 1404 36dd395b 1404 36dd395b 1404 36dd395b 1404 36dd395b 1404 36dd395b 1404 36dd395b 1404 36dd395b 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Token: SeTcbPrivilege 4188 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Token: SeDebugPrivilege 1404 36dd395b Token: SeTcbPrivilege 1404 36dd395b
Processes
-
C:\Users\Admin\AppData\Local\Temp\da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe"C:\Users\Admin\AppData\Local\Temp\da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.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:4188
-
C:\Windows\Syswow64\36dd395bC:\Windows\Syswow64\36dd395b1⤵
- 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:1404
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\36dd395b
- Size 640KB
- SHA256 f187f4b04f7575026b89eab096db97db29f07fbde2947e59d4ecdfba8f92bddb
- MD5 c36cae42440311b1b21541d36e84cfb9
- SHA1 f155fda3f4924ae74778c248a1d1ce847f704942
- SHA512 ed5461ecb3997bf518776763a8dfcd15261122a0c9f67e55b631d63aa1243d7deb8543592b23bed44079cdc2909e7e1be99fefe463b570ee8af4df50e806fe91
- SSDEEP 6144:kcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:kSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1CBD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH