Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 05:54
Behavioral task
behavioral1
Sample
4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe
- Size 640KB
- Sample260804-gmdlsssdjc
- SHA256 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9
- MD5 350abb5364c3ae14ced3a126ff13a9a2
- SHA1 1c34349d72ae4973dd63ec9ee4e6f9791d48805a
- SHA512 8c374037a225fbc53118555876a01e92dfe9fede1f4898abea5eb2f68db70223d1583d02ea6a6664ec07d2cc3b9c710239096ee385ecd76a8acbee5851bad37b
- SSDEEP 6144:icTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:iSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1AED45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 456 b337891c - 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 1 114.114.114.114 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe Destination IP 2 223.5.5.5 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe Destination IP 11 114.114.114.114 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe Destination IP 12 223.5.5.5 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.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 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b337891c File created C:\Windows\SysWOW64\b337891c 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b337891c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b337891c -
resource yara_rule behavioral2/memory/908-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral2/files/0x000b000000011377-2.dat upx behavioral2/memory/456-3-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral2/memory/908-10-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral2/memory/456-11-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral2/memory/456-30-0x00000000006F0000-0x000000000077C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\f8b98 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe File opened for modification C:\Windows\7ce90 b337891c - 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 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b337891c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b337891c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b337891c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b337891c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b337891c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b337891c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b337891c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b337891c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b337891c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b337891c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 456 b337891c 456 b337891c 456 b337891c 456 b337891c 456 b337891c 456 b337891c 456 b337891c 456 b337891c 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe Token: SeTcbPrivilege 908 4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe Token: SeDebugPrivilege 456 b337891c Token: SeTcbPrivilege 456 b337891c
Processes
-
C:\Users\Admin\AppData\Local\Temp\4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.exe"C:\Users\Admin\AppData\Local\Temp\4dda524a9524b49158a7c4c9d417aa277f354c8d3911e0326bfc89a50a49faa9.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:908
-
C:\Windows\Syswow64\b337891cC:\Windows\Syswow64\b337891c1⤵
- 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:456
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b337891c
- Size 640KB
- SHA256 b7000a9f31a33c164bc56106de38abc4976fdd4479a67ce2e9579fba016f8e29
- MD5 094cf654a9a9499d6dda0a543d7f258a
- SHA1 6e3fbba9912ed2695fb18ae76bdac4b38603fe76
- SHA512 c3df0d11a22bf38d1d07ca6e3d5f8f73116090ac4dd49a8ce9aa8102019b3486391140c24581be01e0cd079fe6aeab261c66cb64a69afdac8662008e3273c44a
- SSDEEP 6144:FcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:FSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1E7D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH