Analysis
- max time kernel
148s - 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
04/08/2026, 10:14
Behavioral task
behavioral1
Sample
cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe
- Size 761KB
- Sample260804-l9mkfahd68
- SHA256 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41
- MD5 8c56d5d898a0eb77421c3037a4579db6
- SHA1 0653dd3b987942eef2cba7040cce4bd5a3e880c6
- SHA512 a604ba34ae3284f054d4ae48c39f615236ead68442391af5fc9caaf0a3ad361fa64e6d65aa770aaa7912a25858c45bae008dc1c26cb39a66cd5c2715c0761831
- SSDEEP 12288:SSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:5vO2xJKRw2kOkxSkW298B
- TLSH T187F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4888 5ce3dc7e - 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 19 114.114.114.114 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe Destination IP 20 223.5.5.5 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe Destination IP 1 114.114.114.114 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe Destination IP 2 223.5.5.5 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5ce3dc7e File created C:\Windows\SysWOW64\5ce3dc7e cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5ce3dc7e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5ce3dc7e -
resource yara_rule behavioral2/memory/5532-0-0x0000000000C70000-0x0000000000CFC000-memory.dmp upx behavioral2/files/0x000700000001b884-2.dat upx behavioral2/memory/4888-3-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/5532-15-0x0000000000C70000-0x0000000000CFC000-memory.dmp upx behavioral2/memory/4888-16-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/4888-33-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\53af30 5ce3dc7e File opened for modification C:\Windows\5eb5b8 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.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 5ce3dc7e Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.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:" 5ce3dc7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5ce3dc7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5ce3dc7e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5ce3dc7e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5ce3dc7e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5ce3dc7e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5ce3dc7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5ce3dc7e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5ce3dc7e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4888 5ce3dc7e 4888 5ce3dc7e 4888 5ce3dc7e 4888 5ce3dc7e 4888 5ce3dc7e 4888 5ce3dc7e 4888 5ce3dc7e 4888 5ce3dc7e 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe Token: SeTcbPrivilege 5532 cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe Token: SeDebugPrivilege 4888 5ce3dc7e Token: SeTcbPrivilege 4888 5ce3dc7e
Processes
-
C:\Users\Admin\AppData\Local\Temp\cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.exe"C:\Users\Admin\AppData\Local\Temp\cefb28da4aaae005e06aab132dcda8859d3496e0f7627fd3d54041b6870e0b41.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:5532
-
C:\Windows\Syswow64\5ce3dc7eC:\Windows\Syswow64\5ce3dc7e1⤵
- 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:4888
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5ce3dc7e
- Size 761KB
- SHA256 f3b6a9026d860e322400861673e5d7c9e97374bbabed63cf4f44fdedba89cd43
- MD5 a664671949b9717f60c254c72c50aac2
- SHA1 933ef0940e400af8222e017e4463a3d919efd343
- SHA512 62ab5e8b5122bf58d9e0f0d6ed4908cf3a6f15c03aad418b97fb7bdc348254493812ba3979b4eefa277365f9c15c3c07f4c00fedd147b386995171fdbe3d29dc
- SSDEEP 12288:wSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:rvO2xJKRw2kOkxSkW298B
- TLSH T1E8F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH