Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/05/2026, 20:04
Behavioral task
behavioral1
Sample
f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe
- Size 576KB
- Sample260508-ythb1agz8j
- SHA256 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197
- MD5 028e9f7455d098ea8fc23063763c2696
- SHA1 f186bb693106490a2c9de63d3a5c496a2f0b910a
- SHA512 18c7d3e326b880a9804c6df18acbae3872f2380817962207ff64469ece5a728103969381408733a4bb518c85417ed9ac2af610dff1e0f9612af2a7e67746e4e8
- SSDEEP 12288:LqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:LjHPOSOkx2LFscUQPK
- TLSH T1C8C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4612 e889d71b - 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 2 223.5.5.5 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe Destination IP 18 114.114.114.114 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe Destination IP 19 223.5.5.5 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe Destination IP 1 114.114.114.114 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e889d71b File created C:\Windows\SysWOW64\e889d71b f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e889d71b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e889d71b -
resource yara_rule behavioral2/memory/3560-0-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/files/0x001b000000028e53-2.dat upx behavioral2/memory/4612-4-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/3560-18-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/memory/4612-20-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/4612-21-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/3560-33-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/memory/4612-34-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/3560-38-0x0000000000F80000-0x0000000001009000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ef588 e889d71b File opened for modification C:\Windows\3cf2d0 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.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 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e889d71b - 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" e889d71b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e889d71b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e889d71b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e889d71b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e889d71b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e889d71b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e889d71b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e889d71b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e889d71b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4612 e889d71b 4612 e889d71b 4612 e889d71b 4612 e889d71b 4612 e889d71b 4612 e889d71b 4612 e889d71b 4612 e889d71b 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe Token: SeTcbPrivilege 3560 f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe Token: SeDebugPrivilege 4612 e889d71b Token: SeTcbPrivilege 4612 e889d71b
Processes
-
C:\Users\Admin\AppData\Local\Temp\f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.exe"C:\Users\Admin\AppData\Local\Temp\f6b64ade08a1291787945aaed57851b294dd6d9380043510a45ecd8a5dfc3197.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:3560
-
C:\Windows\Syswow64\e889d71bC:\Windows\Syswow64\e889d71b1⤵
- 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:4612
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e889d71b
- Size 576KB
- SHA256 27a3778a2921378a0fa5c5b42803428ccdecb218d7c905f5991b17cabb2dcf4b
- MD5 298a7aa11953dff2e4f5aadf8f0ea742
- SHA1 1c37a3e37e38ecf336d7863e2d956d2aeafd85c3
- SHA512 e8021ccd22dc6a0d294b87efbd4a943fec85ad7a78e27185c396b1e1924a7b7dc9d905f8ae08cf9ca0f840bb4d165eaaa8f22177f26dd5c65549e6ddf6fe86f1
- SSDEEP 12288:6qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:6jHPOSOkx2LFscUQPK
- TLSH T1F9C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH