Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
08/05/2026, 22:26
Behavioral task
behavioral1
Sample
5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe
- Size 830KB
- Sample260508-2cndgaay2k
- SHA256 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f
- MD5 d6e197700306f50be2b2fb07d6dfb7ed
- SHA1 d5272ae0828fd5a60aeeac9fc980dddc72edf97c
- SHA512 200893c994231a7ee5216d56afa850be130cb12cca0f83b1a1739c52eb206550db83fd00bcfea93f1179f8324ca58e7e14ab2555ee472a2a2e537e7030451239
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:mvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1C9055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1096 f1a49b6b - 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 4 114.114.114.114 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe Destination IP 5 223.5.5.5 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe Destination IP 44 114.114.114.114 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe Destination IP 46 223.5.5.5 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\f1a49b6b 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f1a49b6b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f1a49b6b -
resource yara_rule behavioral1/memory/1564-0-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/files/0x000a00000002170d-2.dat upx behavioral1/memory/1096-3-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/1564-10-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/1096-11-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/1096-22-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\12c390 f1a49b6b File opened for modification C:\Windows\1ac6b8 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.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 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1a49b6b - 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 f1a49b6b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f1a49b6b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f1a49b6b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f1a49b6b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f1a49b6b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f1a49b6b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f1a49b6b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f1a49b6b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f1a49b6b - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA f1a49b6b Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 f1a49b6b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1096 f1a49b6b 1096 f1a49b6b 1096 f1a49b6b 1096 f1a49b6b 1096 f1a49b6b 1096 f1a49b6b 1096 f1a49b6b 1096 f1a49b6b 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe Token: SeTcbPrivilege 1564 5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe Token: SeDebugPrivilege 1096 f1a49b6b Token: SeTcbPrivilege 1096 f1a49b6b
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.exe"C:\Users\Admin\AppData\Local\Temp\5a8e47fae4d5fc3eb2691d40a8f7f4c7c836b3c24e48538ffb8650a6f395ff9f.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:1564
-
C:\Windows\Syswow64\f1a49b6bC:\Windows\Syswow64\f1a49b6b1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f1a49b6b
- Size 830KB
- SHA256 0b40acdc76e5d265b1ba3891c1cd98775007378f67016f8d677ff3a50d4cc75a
- MD5 350a314343a9ec7f66c1e4953951770d
- SHA1 7cf3a4f49724f32c1d7cceab08fd9b7c9d6523f9
- SHA512 db0df509822748d201621b5a07d379b463f817aef1aeedf673262c05ad4e8515aada257abf03166d2e71427ac1a5a245c08ac7740392efd8ff7e77ef081c3f59
- SSDEEP 12288:eSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:dvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T181055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH