Analysis
- max time kernel
148s - max time network
151s - 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, 15:54
Behavioral task
behavioral1
Sample
b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe
- Size 576KB
- Sample260822-tca45swdkc
- SHA256 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29
- MD5 daab4776d25f946f2e34b12479b70258
- SHA1 b9892045ec36b7869ba16e6cc760010f642cc3b1
- SHA512 389f1a4d6c99b0c16a9a544776129bcde6abe42d7104719e1f40b0d78a34c15ca2a2dd2ecdb75a34bed7a325ae02188744fe6308d514e6f04f650dc0c16e0787
- SSDEEP 12288:XqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:XjHPOSOkx2LFscUQPK
- TLSH T1F8C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5008 3058378 - 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 15 223.5.5.5 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Destination IP 2 114.114.114.114 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Destination IP 4 223.5.5.5 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Destination IP 14 114.114.114.114 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3058378 File created C:\Windows\SysWOW64\3058378 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3058378 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3058378 -
resource yara_rule behavioral2/memory/5996-0-0x00000000006A0000-0x0000000000729000-memory.dmp upx behavioral2/files/0x000d000000016cdc-2.dat upx behavioral2/memory/5008-3-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/5996-10-0x00000000006A0000-0x0000000000729000-memory.dmp upx behavioral2/memory/5008-12-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/5996-33-0x00000000006A0000-0x0000000000729000-memory.dmp upx behavioral2/memory/5008-34-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx behavioral2/memory/5008-43-0x0000000000EF0000-0x0000000000F79000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\55bd20 3058378 File opened for modification C:\Windows\66a758 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.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 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3058378 - 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\Cookies\CachePrefix = "Cookie:" 3058378 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3058378 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3058378 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3058378 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3058378 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3058378 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3058378 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3058378 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3058378 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5008 3058378 5008 3058378 5008 3058378 5008 3058378 5008 3058378 5008 3058378 5008 3058378 5008 3058378 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Token: SeTcbPrivilege 5996 b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe Token: SeDebugPrivilege 5008 3058378 Token: SeTcbPrivilege 5008 3058378
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.exe"C:\Users\Admin\AppData\Local\Temp\b1627ec25a37edd84686fd67eb79e21e94438020a1d2107638eca8cce2d90f29.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:5996
-
C:\Windows\Syswow64\3058378C:\Windows\Syswow64\30583781⤵
- 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:5008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3058378
- Size 576KB
- SHA256 47de3bdc4696a3341cd7ee176347fc0161a65a22e64240871705aaeea00c2030
- MD5 3260a3a75249b93b8ee44ef98e6fa7bc
- SHA1 d241a44f87eab20d7141a22c29f678c3dc44e8a3
- SHA512 6201a7b535b24efb823f2bfa827fe43745b592a3f9601dadb2029dfd78d4f6ee8ea3c33934261a1781ba55fa31d92616793ac1065c9a27629f1866e658ae2190
- SSDEEP 12288:wqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:wjHPOSOkx2LFscUQPK
- TLSH T1C2C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH