Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 21:27
Behavioral task
behavioral1
Sample
cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe
- Size 2.5MB
- Sample260825-1arsfayhra
- SHA256 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650
- MD5 2bd64560b72296ecee6ecb10a438d7e5
- SHA1 b20cd5a5e007ea1f3d9efb9d60a1cfcddf8a0dc9
- SHA512 26bb7f04cdfd7a9f687ed91c7c4d30f325882b1751c3899da1a594df5b5f71aa39bbe27ebf77052b2b186458e33b45ad15d180d5ba3acf9137682077b0f7817b
- SSDEEP 49152:+HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:+nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1DDC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4960 b2efe680 - 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 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe Destination IP 4 223.5.5.5 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe Destination IP 21 114.114.114.114 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe Destination IP 22 223.5.5.5 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.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 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b2efe680 File created C:\Windows\SysWOW64\b2efe680 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2efe680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2efe680 -
resource yara_rule behavioral2/memory/2188-0-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/files/0x0009000000011380-2.dat upx behavioral2/memory/4960-4-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/2188-18-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/memory/4960-19-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/4960-28-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\257598 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe File opened for modification C:\Windows\54eac0 b2efe680 - 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 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b2efe680 - 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" b2efe680 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b2efe680 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b2efe680 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b2efe680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b2efe680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b2efe680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b2efe680 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b2efe680 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b2efe680 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4960 b2efe680 4960 b2efe680 4960 b2efe680 4960 b2efe680 4960 b2efe680 4960 b2efe680 4960 b2efe680 4960 b2efe680 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe Token: SeTcbPrivilege 2188 cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe Token: SeDebugPrivilege 4960 b2efe680 Token: SeTcbPrivilege 4960 b2efe680
Processes
-
C:\Users\Admin\AppData\Local\Temp\cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.exe"C:\Users\Admin\AppData\Local\Temp\cfe6f654763cbc77b7ee43887bd4b4d51cdbc8dc3eca6675f2bded786aacc650.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:2188
-
C:\Windows\Syswow64\b2efe680C:\Windows\Syswow64\b2efe6801⤵
- 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:4960
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b2efe680
- Size 2.5MB
- SHA256 b8694eb7838061272b477d36fd9ca3870d6f8d75b2f33e60215ce90ec0bec683
- MD5 81fdb3695b0ff26b3bdb338ec8e78a94
- SHA1 07bf19df2d4d897d05438e22556d7626624b60f7
- SHA512 f4782f2365e66ad52275fbcdab5569db4954a831e2e125496a0e6810289d5e3e9bb2fe7851ddffc78b7f2e13b9b8610001c1e48b7091a1e034778f6bed193cf6
- SSDEEP 49152:UHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:UnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T159C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH