Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 23:10
Behavioral task
behavioral1
Sample
823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe
- Size 2.9MB
- Sample260809-253nvsxbme
- SHA256 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94
- MD5 dbd5db2f6d9d0f7ffedaedb7fa4b106c
- SHA1 d1ce3f8b6e4962b6c1a28ae0736ccc03dfa6d16f
- SHA512 fff3d24c5a833e007a597f0ce61c736283a8b175ceadce2d4d3405318259bd0f5fc068b63b9cab7a3baca90647f2f8dcfb56a1d00e90cd43f76a76a577d71aa5
- SSDEEP 49152:OHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:OnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1F8D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 264 2387f570 - 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 18 114.114.114.114 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe Destination IP 19 223.5.5.5 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe Destination IP 3 114.114.114.114 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe Destination IP 5 223.5.5.5 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2387f570 File created C:\Windows\SysWOW64\2387f570 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2387f570 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2387f570 -
resource yara_rule behavioral2/memory/5108-0-0x0000000000500000-0x000000000058C000-memory.dmp upx behavioral2/memory/264-3-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/files/0x000600000001b850-4.dat upx behavioral2/memory/5108-16-0x0000000000500000-0x000000000058C000-memory.dmp upx behavioral2/memory/264-17-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/264-32-0x0000000000060000-0x00000000000EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\48510 2387f570 File opened for modification C:\Windows\577368 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.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 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2387f570 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2387f570 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2387f570 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2387f570 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2387f570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2387f570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2387f570 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2387f570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2387f570 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2387f570 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 264 2387f570 264 2387f570 264 2387f570 264 2387f570 264 2387f570 264 2387f570 264 2387f570 264 2387f570 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe Token: SeTcbPrivilege 5108 823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe Token: SeDebugPrivilege 264 2387f570 Token: SeTcbPrivilege 264 2387f570
Processes
-
C:\Users\Admin\AppData\Local\Temp\823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.exe"C:\Users\Admin\AppData\Local\Temp\823229ce133685b82eae154b83c88f36401db9e52d98ba756fdb31686d2fef94.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:5108
-
C:\Windows\Syswow64\2387f570C:\Windows\Syswow64\2387f5701⤵
- 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:264
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2387f570
- Size 2.9MB
- SHA256 f8fd1047bc31e9ec6a191bdec6dfa54a56b84c3366558a28254e8a9737e2769f
- MD5 0f3aa46663fabf570e0d48055c25f881
- SHA1 a9f4284e21e84e7a0accad1b9ad995032633a3b4
- SHA512 ed45272d070a3d3b0108dc2581c34b042bca2eaa9d21a05a82ea584b05e0dc356724758b807bb1b6cd4066da1336c4144ba58b7b87c0d5d24ed1f9a2d70f5fca
- SSDEEP 49152:bHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:bnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T12AD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH