Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 4552 6535fc50 - 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 60 223.5.5.5 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Destination IP 3 114.114.114.114 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Destination IP 4 223.5.5.5 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Destination IP 59 114.114.114.114 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6535fc50 File created C:\Windows\SysWOW64\6535fc50 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6535fc50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 6535fc50 -
resource yara_rule behavioral1/memory/5044-0-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral1/files/0x0006000000016917-3.dat upx behavioral1/memory/4552-4-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral1/memory/5044-18-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral1/memory/4552-19-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral1/memory/4552-27-0x0000000000530000-0x00000000005BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4dee90 6535fc50 File opened for modification C:\Windows\565ae8 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 6535fc50 - 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 6535fc50 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6535fc50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6535fc50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6535fc50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6535fc50 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6535fc50 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6535fc50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6535fc50 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6535fc50 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4552 6535fc50 4552 6535fc50 4552 6535fc50 4552 6535fc50 4552 6535fc50 4552 6535fc50 4552 6535fc50 4552 6535fc50 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Token: SeTcbPrivilege 5044 da03f97d1fe472b4779129f3d2ea00d234c446ccb0df446039d7811f42c7c3ff.exe Token: SeDebugPrivilege 4552 6535fc50 Token: SeTcbPrivilege 4552 6535fc50
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:5044
-
C:\Windows\Syswow64\6535fc50C:\Windows\Syswow64\6535fc501⤵
- 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:4552
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\6535fc50
- Size 640KB
- SHA256 aaa2a9902b79cf1e4b528443f1264320446bfd245f00e91b0e53532fe1d36223
- MD5 635e72855af71bac376b73d6e00319bd
- SHA1 4604dea405392f823bbf13b5da8aa12449794770
- SHA512 9ee6454a3bc2c6fa400981d407b366b690e88b4e0e7b4ef5ad296325f8a402d15dc068d7d16d60cb3b6b54b8166721badd41bc522bd6a9af3ef6487508e02986
- SSDEEP 6144:hcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:hSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T159D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH