Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/09/2026, 16:03
Behavioral task
behavioral1
Sample
40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe
- Size 548KB
- Sample260903-thrn3sbp31
- SHA256 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660
- MD5 193d120066e2e4a68fb886c19d53208b
- SHA1 4b7b8665a16ab2d87ff5981793a7aea0ca86bef8
- SHA512 ccd8f0bb0be6d992dcb205ed35edb7bb2ee192072a5a3a18eb2f6dd236a95f1e7ad4e7a78bd4dcb89ac1256cebf47e278f596f9f8a29dfc231d2b66262d3e060
- SSDEEP 6144:dl51orRJXlDixHkUXe35rxcEOkCybEaQRXr9HNdvOa:bqXUHkUXe39xOkx2LIa
- TLSH T168C4BF5BF2744076C49BD678C9935A9AFBF1B815872143CF1320825A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3560 82f20a62 - 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 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe Destination IP 2 223.5.5.5 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe Destination IP 21 114.114.114.114 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe Destination IP 22 223.5.5.5 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.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\IE 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 82f20a62 File created C:\Windows\SysWOW64\82f20a62 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 82f20a62 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 82f20a62 -
resource yara_rule behavioral2/memory/4956-0-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/files/0x000f00000001b1d0-2.dat upx behavioral2/memory/3560-3-0x0000000000530000-0x00000000005B9000-memory.dmp upx behavioral2/memory/4956-18-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/3560-20-0x0000000000530000-0x00000000005B9000-memory.dmp upx behavioral2/memory/3560-24-0x0000000000530000-0x00000000005B9000-memory.dmp upx behavioral2/memory/4956-33-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/3560-34-0x0000000000530000-0x00000000005B9000-memory.dmp upx behavioral2/memory/4956-41-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/4956-51-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3cf2d0 82f20a62 File opened for modification C:\Windows\54d938 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.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 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 82f20a62 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 82f20a62 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 82f20a62 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 82f20a62 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 82f20a62 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 82f20a62 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 82f20a62 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 82f20a62 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 82f20a62 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 82f20a62 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3560 82f20a62 3560 82f20a62 3560 82f20a62 3560 82f20a62 3560 82f20a62 3560 82f20a62 3560 82f20a62 3560 82f20a62 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe Token: SeTcbPrivilege 4956 40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe Token: SeDebugPrivilege 3560 82f20a62 Token: SeTcbPrivilege 3560 82f20a62
Processes
-
C:\Users\Admin\AppData\Local\Temp\40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.exe"C:\Users\Admin\AppData\Local\Temp\40f6ef3a609dfe14442c841cd216c230826b78c8045c803da43cd28770b3b660.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:4956
-
C:\Windows\Syswow64\82f20a62C:\Windows\Syswow64\82f20a621⤵
- 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:3560
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\82f20a62
- Size 548KB
- SHA256 7b12e40ceb2e5e03d09a782560ca0d8fbe6970c4498d4dabea47bd5e2448fde3
- MD5 cf97904f157e998a1ba95ca0b3a962b3
- SHA1 62b2f37bf2ae1fb3df50eb1dff657b9f7e196f1b
- SHA512 633af304be72df89768667e5f213c591ccb48d7b12de8d8ec90dd191c633690df4a63c67c20fe8c84014086d018b03a6a68e5a5fe780603ecfccff97d0ee0187
- SSDEEP 6144:fl51orRJXlDixHkUXe35rxcEOkCybEaQRXr9HNdvOa:RqXUHkUXe39xOkx2LIa
- TLSH T11AC4BF5BF2744076C49BD678C9935A9AFBF1B815872143CF1320825A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH