Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 3372 1e1af004 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 4 223.5.5.5 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 38 114.114.114.114 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 39 223.5.5.5 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 146 114.114.114.114 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Destination IP 147 223.5.5.5 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1e1af004 File created C:\Windows\SysWOW64\1e1af004 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1e1af004 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1e1af004 -
resource yara_rule behavioral1/memory/4812-0-0x00000000008A0000-0x000000000092C000-memory.dmp upx behavioral1/files/0x000b0000000241e3-2.dat upx behavioral1/memory/3372-4-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral1/memory/4812-13-0x00000000008A0000-0x000000000092C000-memory.dmp upx behavioral1/memory/3372-14-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral1/memory/3372-24-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\39bad8 1e1af004 File opened for modification C:\Windows\526218 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 1e1af004 - 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\Cookies\CachePrefix = "Cookie:" 1e1af004 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1e1af004 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1e1af004 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1e1af004 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1e1af004 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1e1af004 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1e1af004 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1e1af004 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1e1af004 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3372 1e1af004 3372 1e1af004 3372 1e1af004 3372 1e1af004 3372 1e1af004 3372 1e1af004 3372 1e1af004 3372 1e1af004 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Token: SeTcbPrivilege 4812 a4a7c1dc31152b011539254a901ccad7bef806d918f9a7c0d96fd8d0f7962490.exe Token: SeDebugPrivilege 3372 1e1af004 Token: SeTcbPrivilege 3372 1e1af004
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:4812
-
C:\Windows\Syswow64\1e1af004C:\Windows\Syswow64\1e1af0041⤵
- 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:3372
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1e1af004
- Size 1022KB
- SHA256 56f2cc2ff31ffeb9f9bc9e461e4e22d34c3a0e4271ef7b9c12b2166cbb8a5b95
- MD5 6b8021cc9664c0cf812c621799ec0668
- SHA1 1cf0898cf1db91e972c8928b61b7b573104c68d9
- SHA512 dd6cb98a6ae12ad4378aedd5b59ead4db3a1fe6fdb2ec4c38c4ea8e641e1acb9761056ad0a5837099a889e02d375fd4cb314c2f649824355aee59912996613ae
- SSDEEP 12288:YSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEuZ9oawhtyybA:zvO2xJKRw2kOkx2LFRvcUQPxuZ98c
- TLSH T16E257C31E641C036D4A74176C6BA4BBFA578BD21432555C7E3C43A6A2FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH