Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 21:48
Behavioral task
behavioral1
Sample
40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe
- Size 766KB
- Sample260809-1n7e2swekg
- SHA256 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595
- MD5 a11f3151265c8804493dbc94b07b6e12
- SHA1 1fac30bd4dc440e5a86518afe0c1c6124db6b0b0
- SHA512 d476a90ff9fc77e8799271e8e9cda3cac90fd8f9e5aac972fe059476d6f96c22f289805477fe60f8211e7df92f16db4c9d1fae377d750f341ffc15e52d01ddc2
- SSDEEP 12288:BSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:IvO2xJKRw2kOkx2LFRvcUV
- TLSH T17CF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3476 d92048a - 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 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe Destination IP 2 223.5.5.5 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe Destination IP 21 114.114.114.114 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe Destination IP 22 223.5.5.5 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d92048a File created C:\Windows\SysWOW64\d92048a 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d92048a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d92048a -
resource yara_rule behavioral2/memory/1368-0-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/files/0x0008000000019cc1-2.dat upx behavioral2/memory/3476-3-0x0000000000930000-0x00000000009BC000-memory.dmp upx behavioral2/memory/1368-18-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/memory/3476-19-0x0000000000930000-0x00000000009BC000-memory.dmp upx behavioral2/memory/3476-30-0x0000000000930000-0x00000000009BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3b82a8 d92048a File opened for modification C:\Windows\176bb0 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.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 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d92048a - 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 d92048a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d92048a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d92048a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d92048a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d92048a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d92048a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d92048a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d92048a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d92048a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3476 d92048a 3476 d92048a 3476 d92048a 3476 d92048a 3476 d92048a 3476 d92048a 3476 d92048a 3476 d92048a 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe Token: SeTcbPrivilege 1368 40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe Token: SeDebugPrivilege 3476 d92048a Token: SeTcbPrivilege 3476 d92048a
Processes
-
C:\Users\Admin\AppData\Local\Temp\40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.exe"C:\Users\Admin\AppData\Local\Temp\40a528de31c5b4d1141af29d0dd6dd62b8b7ec610d18957146f9273222f4e595.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:1368
-
C:\Windows\Syswow64\d92048aC:\Windows\Syswow64\d92048a1⤵
- 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:3476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d92048a
- Size 766KB
- SHA256 3f56687a7c729cc8adcd397658817aed5cb86fc6389d7350c406e6fefd816c64
- MD5 6baef9e32106359a49822d1589c056b7
- SHA1 c65573d0fd153e6b0c3b22a21c8558ede8ec5f13
- SHA512 af0ff7f9b3e0fbe5a581ea04c28eed74c957bdf63ab37a68e7993417e2a7e915a3035583bb3a06ff4c20ccbb1e89d194b89d355bc62b25502e3c594fba01fc43
- SSDEEP 12288:3SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:CvO2xJKRw2kOkx2LFRvcUV
- TLSH T170F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH