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
22/08/2026, 16:03
Behavioral task
behavioral1
Sample
b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe
- Size 576KB
- Sample260822-thrdbafe54
- SHA256 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472
- MD5 c8e9bdb76b312e6e28b0cdba36a03b6e
- SHA1 59b7e7d67ef4446bed71c9339438d4480d5d3d31
- SHA512 7f6cebfc4577948d245df6f184637e828b346f1d6487c6014c6d165bcc8157e91f3680f3364661b239e97ab4521c88e9534d76c5839ef6c2a507631c96d0526d
- SSDEEP 12288:SqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:SjHPOSOkx2LFscUQPK
- TLSH T196C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3384 355c95a2 - 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 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 7 223.5.5.5 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 24 114.114.114.114 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 25 223.5.5.5 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\355c95a2 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 355c95a2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 355c95a2 -
resource yara_rule behavioral2/memory/4456-0-0x0000000000A40000-0x0000000000AC9000-memory.dmp upx behavioral2/files/0x000e00000001b1d0-2.dat upx behavioral2/memory/3384-3-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/4456-16-0x0000000000A40000-0x0000000000AC9000-memory.dmp upx behavioral2/memory/3384-18-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/4456-37-0x0000000000A40000-0x0000000000AC9000-memory.dmp upx behavioral2/memory/3384-38-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral2/memory/4456-39-0x0000000000A40000-0x0000000000AC9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\39ef70 355c95a2 File opened for modification C:\Windows\4c49d0 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.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 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 355c95a2 - 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\History\CachePrefix = "Visited:" 355c95a2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 355c95a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 355c95a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 355c95a2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 355c95a2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 355c95a2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 355c95a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 355c95a2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 355c95a2 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3384 355c95a2 3384 355c95a2 3384 355c95a2 3384 355c95a2 3384 355c95a2 3384 355c95a2 3384 355c95a2 3384 355c95a2 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Token: SeTcbPrivilege 4456 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Token: SeDebugPrivilege 3384 355c95a2 Token: SeTcbPrivilege 3384 355c95a2
Processes
-
C:\Users\Admin\AppData\Local\Temp\b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe"C:\Users\Admin\AppData\Local\Temp\b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.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:4456
-
C:\Windows\Syswow64\355c95a2C:\Windows\Syswow64\355c95a21⤵
- 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:3384
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\355c95a2
- Size 576KB
- SHA256 c5590f9da89f8373154e6e4633ce073c62d631d9237de24ddb542fa2c8f6a0ea
- MD5 434466bfee9ccc6fa4cac43ae1b033de
- SHA1 ad73f81fd96e8ca3a7f7c887c791894b8fa3d613
- SHA512 8f143e47ec8b31586d8aed125602a26b9c56e53a7c0beefbb964820e8735dd371cddbff7664b82d17f1eae8cdb3e9d2ad7691a372c9181cb87d8864b8fd5e817
- SSDEEP 12288:WqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:WjHPOSOkx2LFscUQPK
- TLSH T198C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH