Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 19:46
Behavioral task
behavioral1
Sample
40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe
- Size 640KB
- Sample260702-yhd57sdv91
- SHA256 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3
- MD5 016ad9bb7aa958d115be109915f168ed
- SHA1 30fa147a5a4971a8ca6e719ea1848ea7211e9844
- SHA512 a0acaa10e15e216bdc7629ea4756684b33ba736ebb5cdc9cc7a450c1ddf114d1f04f2be73dc38b7b37ad04cc4e8160263d86c858bcc696e4d2ad646dbad16b9a
- SSDEEP 6144:FcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:FSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1D8D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5080 d7649e90 - 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 25 114.114.114.114 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe Destination IP 26 223.5.5.5 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe Destination IP 1 114.114.114.114 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe Destination IP 2 223.5.5.5 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d7649e90 File created C:\Windows\SysWOW64\d7649e90 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d7649e90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d7649e90 -
resource yara_rule behavioral2/memory/4580-0-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/files/0x0006000000016b4a-2.dat upx behavioral2/memory/5080-4-0x0000000000220000-0x00000000002AC000-memory.dmp upx behavioral2/memory/4580-18-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/memory/5080-19-0x0000000000220000-0x00000000002AC000-memory.dmp upx behavioral2/memory/5080-27-0x0000000000220000-0x00000000002AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56f8b0 d7649e90 File opened for modification C:\Windows\4e6948 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.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 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d7649e90 - 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 d7649e90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d7649e90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d7649e90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d7649e90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d7649e90 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d7649e90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d7649e90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d7649e90 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d7649e90 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5080 d7649e90 5080 d7649e90 5080 d7649e90 5080 d7649e90 5080 d7649e90 5080 d7649e90 5080 d7649e90 5080 d7649e90 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe Token: SeTcbPrivilege 4580 40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe Token: SeDebugPrivilege 5080 d7649e90 Token: SeTcbPrivilege 5080 d7649e90
Processes
-
C:\Users\Admin\AppData\Local\Temp\40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.exe"C:\Users\Admin\AppData\Local\Temp\40f29a3729cb31a3d5794a079ab107ad72805bdd9f3d67f4807d9e923165f2b3.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:4580
-
C:\Windows\Syswow64\d7649e90C:\Windows\Syswow64\d7649e901⤵
- 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:5080
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d7649e90
- Size 640KB
- SHA256 5e041674119b3ecc6c9ced02ef324c5b0fd9aedf79883e5c49ae63accf63a546
- MD5 03bc87afdee4576e33335ef6df3a22cd
- SHA1 4855858e519f69267cb928c7701e1e5e6c53b7ab
- SHA512 09b0ceffa3583b9f00d884a295fd0c7932f0f3c91c20b3e32a4d0d341f26d0d99d8a5da90ac5d985afe57df3d0f34a7710080ca59ffd4b84fa20acd3bad5f1a5
- SSDEEP 6144:ocTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:oSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T15CD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH