Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 07:56
Behavioral task
behavioral1
Sample
a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe
- Size 1022KB
- Sample260825-js74psvvct
- SHA256 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490
- MD5 8be6c5f620aa95d15b4b48ca1129a32b
- SHA1 f36563f0e9192dd51cfd7d52ba0f592be31f980f
- SHA512 746b584dd35bbbe4980d805f0005b0092ed713b442db476ec8dd606166fdfff1f684db20239700e48f308556518fd74c15792dc4778e55169449d275f176e2c4
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEuZ9oawhtyybA:TvO2xJKRw2kOkx2LFRvcUQPxuZ98c
- TLSH T1EC257C31E641C036D4A74176C6BA4BBFA578BD21432555C7E3C43A6A2FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6136 b48c684d - 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 2 114.114.114.114 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 4 223.5.5.5 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 15 114.114.114.114 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 16 223.5.5.5 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b48c684d File created C:\Windows\SysWOW64\b48c684d a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b48c684d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b48c684d -
resource yara_rule behavioral2/memory/4300-0-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral2/files/0x000b000000019cb8-2.dat upx behavioral2/memory/6136-3-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral2/memory/4300-16-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral2/memory/6136-17-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral2/memory/6136-32-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\690cf0 b48c684d File opened for modification C:\Windows\499e18 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.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 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b48c684d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b48c684d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b48c684d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b48c684d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b48c684d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b48c684d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b48c684d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b48c684d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b48c684d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b48c684d - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6136 b48c684d 6136 b48c684d 6136 b48c684d 6136 b48c684d 6136 b48c684d 6136 b48c684d 6136 b48c684d 6136 b48c684d 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Token: SeTcbPrivilege 4300 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Token: SeDebugPrivilege 6136 b48c684d Token: SeTcbPrivilege 6136 b48c684d
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe"C:\Users\Admin\AppData\Local\Temp\a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.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:4300
-
C:\Windows\Syswow64\b48c684dC:\Windows\Syswow64\b48c684d1⤵
- 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:6136
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b48c684d
- Size 1022KB
- SHA256 59108f771111fde576b6cc92bc93b35442d6b99ecc8aede06580808fac30d1e0
- MD5 54c82c7651a897acae5769088dfb6699
- SHA1 e938d43d9ad0526dbce1e31f9e7c54f037fbab33
- SHA512 9fce1229e7806ea3bba6b3b4a91fff6b1b8cb091f6f62f961ef07dd70f05c351aae18c5b96ad0884c2c3ec9a9c47fbae08e33327fe48238c6f684a3fd297d496
- SSDEEP 12288:bSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEuZ9oawhtyybA:uvO2xJKRw2kOkx2LFRvcUQPxuZ98c
- TLSH T166257C31E641C036D4A74176C6BA4BBFA578BD21432555C7E3C43A6A2FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH