Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 21:12
Behavioral task
behavioral1
Sample
5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe
- Size 768KB
- Sample260731-z2c8pagg86
- SHA256 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb
- MD5 beb9702999dbc40cafc06f80c29861c3
- SHA1 427275290dbcd6157bef26d3b65ff83744d7f594
- SHA512 8f773cb52a7b362761bce8f7a3cac00417de18c01de31005463b773924fa76a5b6b070abb44ff8483f43a3c1d8143a3f71e13a43865ca0148a647d5281331c0c
- SSDEEP 12288:AqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:AjHPOSOkx2LFscU6UQOJdT
- TLSH T1BAF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5900 a7664 - 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 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe Destination IP 2 223.5.5.5 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe Destination IP 14 114.114.114.114 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe Destination IP 15 223.5.5.5 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7664 File created C:\Windows\SysWOW64\a7664 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 a7664 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 a7664 -
resource yara_rule behavioral2/memory/3968-0-0x0000000000D80000-0x0000000000E09000-memory.dmp upx behavioral2/files/0x0009000000016cd6-3.dat upx behavioral2/memory/5900-4-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx behavioral2/memory/3968-10-0x0000000000D80000-0x0000000000E09000-memory.dmp upx behavioral2/memory/5900-12-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx behavioral2/memory/3968-30-0x0000000000D80000-0x0000000000E09000-memory.dmp upx behavioral2/memory/5900-31-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx behavioral2/memory/3968-46-0x0000000000D80000-0x0000000000E09000-memory.dmp upx behavioral2/memory/3968-50-0x0000000000D80000-0x0000000000E09000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\650298 a7664 File opened for modification C:\Windows\43ef00 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.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 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a7664 - 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 a7664 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a7664 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a7664 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a7664 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a7664 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a7664 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a7664 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a7664 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a7664 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5900 a7664 5900 a7664 5900 a7664 5900 a7664 5900 a7664 5900 a7664 5900 a7664 5900 a7664 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe Token: SeTcbPrivilege 3968 5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe Token: SeDebugPrivilege 5900 a7664 Token: SeTcbPrivilege 5900 a7664
Processes
-
C:\Users\Admin\AppData\Local\Temp\5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.exe"C:\Users\Admin\AppData\Local\Temp\5329e998cb8ccb77effb14a5d4915b5cd0bacd5b456a824843405fa9359ddbcb.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:3968
-
C:\Windows\Syswow64\a7664C:\Windows\Syswow64\a76641⤵
- 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:5900
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a7664
- Size 768KB
- SHA256 27175dd67597a6b6db5b5d5c4967fb241f78bf90c02002155c6414e68d026d24
- MD5 ca8e118dc08be31ff2ab49547379d5ee
- SHA1 d7c315ef0f276e0aefca16cae70c90b034cd965f
- SHA512 7e6929f91048326d0aad5d7fa0aa248223a04b35c7f939cf5e0e5776febd578743b0579318198dd9da28de60050df355496d5a5020f2cfe81850193b402c48c0
- SSDEEP 12288:AqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:AjHPOSOkx2LFscU6UQOJdT
- TLSH T10EF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH