Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 19:20
Behavioral task
behavioral1
Sample
58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe
- Size 768KB
- Sample260727-x18bbszzcs
- SHA256 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858
- MD5 89d61fe2d8323c389fe8ca9298a175d8
- SHA1 b78d67db7427fb0c22baa88bfd34323fba131826
- SHA512 6b3ff924f53829bd7519080961a484b50c269708550180ebd3233aaffe829404c9a70a4bc17992e7658ee0927ef0f11d1488ac3b31a3123b8c66dfa1a6e3f867
- SSDEEP 12288:OqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:OjHPOSOkx2LFscU6UQOJdT
- TLSH T18AF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5776 d366b770 - 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 3 114.114.114.114 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe Destination IP 4 223.5.5.5 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe Destination IP 12 114.114.114.114 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe Destination IP 13 223.5.5.5 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.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\AAD646CB44373074ADE741C38400E7E1 d366b770 File created C:\Windows\SysWOW64\d366b770 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d366b770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d366b770 -
resource yara_rule behavioral2/memory/2028-0-0x0000000000D60000-0x0000000000DE9000-memory.dmp upx behavioral2/files/0x000600000001b867-2.dat upx behavioral2/memory/5776-3-0x0000000000730000-0x00000000007B9000-memory.dmp upx behavioral2/memory/2028-10-0x0000000000D60000-0x0000000000DE9000-memory.dmp upx behavioral2/memory/5776-12-0x0000000000730000-0x00000000007B9000-memory.dmp upx behavioral2/memory/2028-33-0x0000000000D60000-0x0000000000DE9000-memory.dmp upx behavioral2/memory/5776-34-0x0000000000730000-0x00000000007B9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\62e320 d366b770 File opened for modification C:\Windows\22b858 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.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 d366b770 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d366b770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d366b770 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d366b770 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d366b770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d366b770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d366b770 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d366b770 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d366b770 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d366b770 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5776 d366b770 5776 d366b770 5776 d366b770 5776 d366b770 5776 d366b770 5776 d366b770 5776 d366b770 5776 d366b770 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe Token: SeTcbPrivilege 2028 58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe Token: SeDebugPrivilege 5776 d366b770 Token: SeTcbPrivilege 5776 d366b770
Processes
-
C:\Users\Admin\AppData\Local\Temp\58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.exe"C:\Users\Admin\AppData\Local\Temp\58fbcaaf5285a1534f0b46be158400f36207b34e5a59c4e9f3fc06d80fc2d858.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:2028
-
C:\Windows\Syswow64\d366b770C:\Windows\Syswow64\d366b7701⤵
- 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:5776
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d366b770
- Size 768KB
- SHA256 e9b1fb8aa400d05a216beac8183e00a0585ace690033f210dbb5e71a90d17a3d
- MD5 cf1aa501bbcec2c86233deba95e6bca2
- SHA1 779f119cc35de57a0d5c4c9b768d06c19fb6f5ba
- SHA512 fb95910ea0d13f211f91137fceb77f648f3d11c18611ccf9f4def1517da265559f4c40fb63f2e3306885f8fe40f7a58dc38c16012e9ad4014a34ca8f96bf8de3
- SSDEEP 12288:JqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:JjHPOSOkx2LFscU6UQOJdT
- TLSH T1D6F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH