Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 16:52
Behavioral task
behavioral1
Sample
3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe
- Size 2.9MB
- Sample260809-vdnmassbnf
- SHA256 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9
- MD5 fdca347c713fa968dae4cf134cea26eb
- SHA1 17a40f0defcfb927deb6742cc7294729ab60848f
- SHA512 509e1f10e759df2bafe368e35737e9b1fb10b8a9ab2fbf2d9a11e6790973397309cfd093ba658d9f0746ff4ce1944316016fc772b702bb4294c5782cecd1f5b4
- SSDEEP 49152:6HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:6nKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1E6D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5032 b354e4ac - 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 14 114.114.114.114 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe Destination IP 15 223.5.5.5 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe Destination IP 1 114.114.114.114 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe Destination IP 2 223.5.5.5 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b354e4ac File created C:\Windows\SysWOW64\b354e4ac 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b354e4ac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b354e4ac -
resource yara_rule behavioral2/memory/3596-0-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/files/0x0007000000011394-2.dat upx behavioral2/memory/5032-4-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/3596-12-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/memory/5032-13-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/5032-31-0x00000000006B0000-0x000000000073C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\562650 b354e4ac File opened for modification C:\Windows\3d9098 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.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 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b354e4ac - 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 b354e4ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b354e4ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b354e4ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b354e4ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b354e4ac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b354e4ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b354e4ac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b354e4ac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b354e4ac - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5032 b354e4ac 5032 b354e4ac 5032 b354e4ac 5032 b354e4ac 5032 b354e4ac 5032 b354e4ac 5032 b354e4ac 5032 b354e4ac 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe Token: SeTcbPrivilege 3596 3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe Token: SeDebugPrivilege 5032 b354e4ac Token: SeTcbPrivilege 5032 b354e4ac
Processes
-
C:\Users\Admin\AppData\Local\Temp\3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.exe"C:\Users\Admin\AppData\Local\Temp\3f0f9881cd55d346899774e33a02eae6e4272f8c82ba426a9550aad848610bb9.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:3596
-
C:\Windows\Syswow64\b354e4acC:\Windows\Syswow64\b354e4ac1⤵
- 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:5032
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b354e4ac
- Size 2.9MB
- SHA256 90cf3fdf6179f33c9cb27bebc41cccd2cfed36480c7da4e586927883b5e494d9
- MD5 7813dd86089639998c7dab26c9d131cd
- SHA1 569d5902988cc89b2400182061c15dbfd022d852
- SHA512 464824017619bb70ad1cebd09a681d907c584a7b868cb004385349dfae105537796946e5142c8301bd828686e715f90e0664753276a7b79b6cbadcd1143a30fb
- SSDEEP 49152:HHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:HnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T11AD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH