Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/07/2026, 02:21
Behavioral task
behavioral1
Sample
b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe
- Size 560KB
- Sample260716-ctfbraex2x
- SHA256 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e
- MD5 17a380b3de5cb7f4b69a5af03dbde86b
- SHA1 c0d7c67660b05e5a2d34ad884a7494e81cc862f6
- SHA512 6590c4976f4d76ab9d31e38dd500c32957ae0806ae9e8a7979f2f92be591d46f4f6e52d31fa4c7564c21e63da20908cfaa7c68ae144a7f65bd3fb5c901fe930b
- SSDEEP 6144:/4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:/rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1B0C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3960 d7f38e28 - 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 49 223.5.5.5 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Destination IP 3 114.114.114.114 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Destination IP 4 223.5.5.5 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Destination IP 48 114.114.114.114 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d7f38e28 File created C:\Windows\SysWOW64\d7f38e28 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d7f38e28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d7f38e28 -
resource yara_rule behavioral1/memory/1592-0-0x0000000000940000-0x00000000009CC000-memory.dmp upx behavioral1/files/0x00080000000245e7-2.dat upx behavioral1/memory/3960-4-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral1/memory/1592-16-0x0000000000940000-0x00000000009CC000-memory.dmp upx behavioral1/memory/3960-17-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral1/memory/3960-24-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\43cbf0 d7f38e28 File opened for modification C:\Windows\1b4170 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.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 d7f38e28 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe - 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:" d7f38e28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d7f38e28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d7f38e28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d7f38e28 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d7f38e28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d7f38e28 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d7f38e28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d7f38e28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d7f38e28 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3960 d7f38e28 3960 d7f38e28 3960 d7f38e28 3960 d7f38e28 3960 d7f38e28 3960 d7f38e28 3960 d7f38e28 3960 d7f38e28 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Token: SeTcbPrivilege 1592 b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe Token: SeDebugPrivilege 3960 d7f38e28 Token: SeTcbPrivilege 3960 d7f38e28
Processes
-
C:\Users\Admin\AppData\Local\Temp\b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.exe"C:\Users\Admin\AppData\Local\Temp\b564b29f0b77603aae7bec5c9cd27b439975c85f5bfc3e9c8b066fced25eda9e.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:1592
-
C:\Windows\Syswow64\d7f38e28C:\Windows\Syswow64\d7f38e281⤵
- 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:3960
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d7f38e28
- Size 560KB
- SHA256 79f0df0791e69cfb5083d1f85bd55fb97dde3884dfa02a40d8b05dd7ba1fd147
- MD5 d0afe57d6bee81805f004a3675c614ba
- SHA1 0c07b9327704f2867cb67bc5f1a6c625110d793b
- SHA512 ec54dd2838f8c3960f4f6d6e3470d72ac1741a70d84fee1e2b941074956bc8cb5afccc0753bbe09cb58d8e8d6724755b5bb82e04316f16c497cde12398001f62
- SSDEEP 6144:m4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:mrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T132C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH