Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/09/2026, 22:46
Behavioral task
behavioral1
Sample
a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe
- Size 766KB
- Sample260920-2p62ca1dpc
- SHA256 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505
- MD5 af7fe3673a979bb50d8aab3b162a8251
- SHA1 cf173f397f74e56d4bf8814a2743df7370d52f4b
- SHA512 22ac3008355cd76585446802786f04bcb0bb0908d7f78bf9fca22664093bab4abeca428add24efbdac96e415fedcab5caccf0687fae86db2564f6b64e53ee77b
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:0vO2xJKRw2kOkx2LFRvcUV
- TLSH T15BF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4148 3735719e - 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 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Destination IP 2 223.5.5.5 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Destination IP 19 114.114.114.114 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Destination IP 20 223.5.5.5 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.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 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3735719e File created C:\Windows\SysWOW64\3735719e a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3735719e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3735719e -
resource yara_rule behavioral2/memory/5868-0-0x0000000000340000-0x00000000003CC000-memory.dmp upx behavioral2/files/0x000600000001b867-2.dat upx behavioral2/memory/4148-3-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx behavioral2/memory/5868-18-0x0000000000340000-0x00000000003CC000-memory.dmp upx behavioral2/memory/4148-19-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx behavioral2/memory/4148-34-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4703e8 3735719e File opened for modification C:\Windows\647658 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.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 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3735719e - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3735719e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3735719e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3735719e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3735719e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3735719e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3735719e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3735719e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3735719e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3735719e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4148 3735719e 4148 3735719e 4148 3735719e 4148 3735719e 4148 3735719e 4148 3735719e 4148 3735719e 4148 3735719e 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Token: SeTcbPrivilege 5868 a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe Token: SeDebugPrivilege 4148 3735719e Token: SeTcbPrivilege 4148 3735719e
Processes
-
C:\Users\Admin\AppData\Local\Temp\a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.exe"C:\Users\Admin\AppData\Local\Temp\a647e2ef303e5c5efa8d9b6a71266e59c1ffcbd7c73a0297f39f145169b44505.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:5868
-
C:\Windows\Syswow64\3735719eC:\Windows\Syswow64\3735719e1⤵
- 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:4148
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3735719e
- Size 766KB
- SHA256 506c6b8b33fe9f023f51d55bbe1584a9ac757150c203e21d3745259f43fd1168
- MD5 7331fb5be094e653fde30d233df38182
- SHA1 cb1017816c427335db8a950f61f3823594a433e4
- SHA512 b6cc7cab7f792eef4243c788c097e91b830f0e905776a80eeeb552d6dd3d3626b9e6f986349dded224ef62a00212f4b6f538639eaeb66beb53f9a8a0c0216545
- SSDEEP 12288:/SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:KvO2xJKRw2kOkx2LFRvcUV
- TLSH T1E5F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH