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
10/08/2026, 11:07
Behavioral task
behavioral1
Sample
3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe
- Size 2.6MB
- Sample260810-m8d3caff64
- SHA256 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44
- MD5 4327e690384341810d3f7981c63065b4
- SHA1 fbf10e0abfd71e2b1b5d785250ea076e572c839d
- SHA512 9b1b2c0c6fe79350c7709992ab3d775962d98533d46de8893277c850cae777fc864c125a14a05a22c1c5ae9f2f1aa576601e2ea101bf55cdb7b4f35d0baec85a
- SSDEEP 49152:qTGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:qKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1E8C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4544 26de98da - 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 3 114.114.114.114 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe Destination IP 6 223.5.5.5 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe Destination IP 42 114.114.114.114 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe Destination IP 43 223.5.5.5 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.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 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 26de98da File created C:\Windows\SysWOW64\26de98da 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 26de98da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 26de98da -
resource yara_rule behavioral1/memory/3820-0-0x0000000000810000-0x0000000000899000-memory.dmp upx behavioral1/files/0x000a000000016817-2.dat upx behavioral1/memory/4544-3-0x0000000000F10000-0x0000000000F99000-memory.dmp upx behavioral1/memory/3820-16-0x0000000000810000-0x0000000000899000-memory.dmp upx behavioral1/memory/4544-18-0x0000000000F10000-0x0000000000F99000-memory.dmp upx behavioral1/memory/3820-30-0x0000000000810000-0x0000000000899000-memory.dmp upx behavioral1/memory/4544-31-0x0000000000F10000-0x0000000000F99000-memory.dmp upx behavioral1/memory/3820-50-0x0000000000810000-0x0000000000899000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4dcb80 26de98da File opened for modification C:\Windows\416658 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.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 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26de98da - 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\Content\CachePrefix 26de98da Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 26de98da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 26de98da Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 26de98da Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 26de98da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 26de98da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 26de98da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 26de98da Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 26de98da - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4544 26de98da 4544 26de98da 4544 26de98da 4544 26de98da 4544 26de98da 4544 26de98da 4544 26de98da 4544 26de98da 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe Token: SeTcbPrivilege 3820 3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe Token: SeDebugPrivilege 4544 26de98da Token: SeTcbPrivilege 4544 26de98da
Processes
-
C:\Users\Admin\AppData\Local\Temp\3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.exe"C:\Users\Admin\AppData\Local\Temp\3afd8b2c725d1501a19ba42bc34b9068906ee5b1edfe49073cfa00011e3fac44.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:3820
-
C:\Windows\Syswow64\26de98daC:\Windows\Syswow64\26de98da1⤵
- 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:4544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\26de98da
- Size 2.6MB
- SHA256 5aa32bea5a14e6267b3432de4b5b35a87ee9810676e1fc4e69302a9a38db9ca0
- MD5 0b1fedfee9e5f7ed16874ff20045ebdf
- SHA1 428fd4fe402d31d81f5f9743e4350b3e86f649db
- SHA512 2f197d34b3ea119bfd340b469c829d92d9664ca8858657cb5c7d67b9f56c1d45e8a31f33a4fa2ee3434aff3f4d225c1a0adbcd69c0ec6f6280c163ac6b5fcab5
- SSDEEP 49152:1TGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:1KkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T194C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH