Analysis
- max time kernel
150s - 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
22/08/2026, 06:38
Behavioral task
behavioral1
Sample
8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe
- Size 761KB
- Sample260822-hee1bssbkd
- SHA256 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5
- MD5 64ebdfb09b0355804e6b7b71b9ecf07e
- SHA1 619e45276b9ae7826d7d3e6c0074924fdedfce93
- SHA512 934a937c0caf3f9cc796c7b98ae95357266399e770014f589666a8e7361cd481f8d700e1dfac4c98d431c35c9874fc3a4e63a631626eb817c48a4997fca4972a
- SSDEEP 12288:jSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:WvO2xJKRw2kOkxSkW298B
- TLSH T175F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1496 b406efb0 - 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 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe Destination IP 4 223.5.5.5 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe Destination IP 18 114.114.114.114 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe Destination IP 19 223.5.5.5 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\b406efb0 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b406efb0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b406efb0 -
resource yara_rule behavioral2/memory/6856-0-0x0000000000E00000-0x0000000000E8C000-memory.dmp upx behavioral2/files/0x001200000001157e-2.dat upx behavioral2/memory/1496-3-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/6856-13-0x0000000000E00000-0x0000000000E8C000-memory.dmp upx behavioral2/memory/1496-14-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/1496-34-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\199cb0 b406efb0 File opened for modification C:\Windows\756090 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.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 b406efb0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe - 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" b406efb0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b406efb0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b406efb0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b406efb0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b406efb0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b406efb0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b406efb0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b406efb0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b406efb0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1496 b406efb0 1496 b406efb0 1496 b406efb0 1496 b406efb0 1496 b406efb0 1496 b406efb0 1496 b406efb0 1496 b406efb0 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe Token: SeTcbPrivilege 6856 8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe Token: SeDebugPrivilege 1496 b406efb0 Token: SeTcbPrivilege 1496 b406efb0
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.exe"C:\Users\Admin\AppData\Local\Temp\8f11598413d941e7075c46a99659fc9fc1afbf6001a55e5f624775d2d9f7dac5.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:6856
-
C:\Windows\Syswow64\b406efb0C:\Windows\Syswow64\b406efb01⤵
- 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:1496
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b406efb0
- Size 761KB
- SHA256 ec1d28e496a043e51d55ff3a1c0118fcf7036791bc5b3abcec57ce8f92786540
- MD5 047e0bb741cd8d5edde2f0383a6fa2e9
- SHA1 ee415aa5659e29d7b7153764735462d0fa561db6
- SHA512 a212e3904ca22baa3cc6b7e478eaed03d406a7ad3734a0adb38f26b1a36e76a1e7ec320268e8086e77c78bafd2801eab1f1b4a36276c950586c5f1e81a782e43
- SSDEEP 12288:VSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:UvO2xJKRw2kOkxSkW298B
- TLSH T164F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH