Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 08:57
Behavioral task
behavioral1
Sample
3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe
- Size 560KB
- Sample260808-kwkcgsxtdx
- SHA256 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7
- MD5 df5184b79caf9b3d01b3200a32bd176d
- SHA1 25631b8ee21a7fbe343cee5617330e79699e5843
- SHA512 d46826b14159a6647e76e640d0c14a183f238d8d9bc61a74b935789351336646a22e8b4614970c8f3f8648ba4c8977290b24815f2b9efad7f642cf229eee0f23
- SSDEEP 6144:FWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:FkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T180C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3488 50a28560 - 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 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe Destination IP 2 223.5.5.5 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe Destination IP 15 114.114.114.114 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe Destination IP 16 223.5.5.5 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.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 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 50a28560 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 50a28560 File created C:\Windows\SysWOW64\50a28560 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 50a28560 -
resource yara_rule behavioral2/memory/4668-0-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/files/0x000700000001b884-2.dat upx behavioral2/memory/3488-3-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/4668-12-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral2/memory/3488-13-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/3488-35-0x0000000000010000-0x000000000009C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3bb740 50a28560 File opened for modification C:\Windows\4feaf8 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.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 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 50a28560 - 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 50a28560 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 50a28560 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 50a28560 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 50a28560 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 50a28560 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 50a28560 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 50a28560 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 50a28560 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 50a28560 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3488 50a28560 3488 50a28560 3488 50a28560 3488 50a28560 3488 50a28560 3488 50a28560 3488 50a28560 3488 50a28560 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe Token: SeTcbPrivilege 4668 3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe Token: SeDebugPrivilege 3488 50a28560 Token: SeTcbPrivilege 3488 50a28560
Processes
-
C:\Users\Admin\AppData\Local\Temp\3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.exe"C:\Users\Admin\AppData\Local\Temp\3511bef4a01a8e69f3ff9299e7028c74b5f9c4b7c7e836e2b19e910f6481baf7.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:4668
-
C:\Windows\Syswow64\50a28560C:\Windows\Syswow64\50a285601⤵
- 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:3488
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\50a28560
- Size 560KB
- SHA256 7aaee61f8d02256edb189869688b94fb8672460b76118460521e836016a09c43
- MD5 438e9412e507095fd06fda1c3a58659d
- SHA1 771b74edd8e7180c377fd3baec686674ee9cc933
- SHA512 cff0efdef2fd0bf99d1611f59bbac6034eca8cf77f7a09100c6644466bfa6ccf985dd4484d3e539e66263f7b1e1aa2d1db2b16f4dadc78b077eb43209c4baf4a
- SSDEEP 6144:iWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:ikCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T151C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH