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
18/07/2026, 19:52
Behavioral task
behavioral1
Sample
e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe
- Size 576KB
- Sample260718-ylt1tsbt3n
- SHA256 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c
- MD5 a127cca1587a3684ceec0f46fee20173
- SHA1 333e0f04423065ce27065c5131f28f881ab9833c
- SHA512 7155cf45be5f3bae6d39ee53f7d2d5ba3c349c2bd444c661497283dc1af2d974b4291bcfeee95498bd06b1be19d75736bcd3cdb8c5dc6782fb725eca8306e1b7
- SSDEEP 12288:lqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:ljHPOSOkx2LFscUQPK
- TLSH T18FC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2604 c52451da - 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 10 223.5.5.5 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe Destination IP 1 114.114.114.114 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe Destination IP 2 223.5.5.5 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe Destination IP 9 114.114.114.114 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c52451da File created C:\Windows\SysWOW64\c52451da e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c52451da File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c52451da -
resource yara_rule behavioral2/memory/3368-0-0x0000000000ED0000-0x0000000000F59000-memory.dmp upx behavioral2/files/0x000c00000001136a-2.dat upx behavioral2/memory/2604-4-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/3368-10-0x0000000000ED0000-0x0000000000F59000-memory.dmp upx behavioral2/memory/2604-12-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/3368-27-0x0000000000ED0000-0x0000000000F59000-memory.dmp upx behavioral2/memory/2604-28-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/3368-42-0x0000000000ED0000-0x0000000000F59000-memory.dmp upx behavioral2/memory/3368-48-0x0000000000ED0000-0x0000000000F59000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2c94d8 c52451da File opened for modification C:\Windows\39a950 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.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 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c52451da - 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 c52451da Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c52451da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c52451da Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c52451da Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c52451da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c52451da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c52451da Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c52451da Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c52451da - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2604 c52451da 2604 c52451da 2604 c52451da 2604 c52451da 2604 c52451da 2604 c52451da 2604 c52451da 2604 c52451da 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe Token: SeTcbPrivilege 3368 e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe Token: SeDebugPrivilege 2604 c52451da Token: SeTcbPrivilege 2604 c52451da
Processes
-
C:\Users\Admin\AppData\Local\Temp\e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.exe"C:\Users\Admin\AppData\Local\Temp\e843b3fb05f36ed41b9cfd20120beec165d8121e1ed79c68a342700b084f905c.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:3368
-
C:\Windows\Syswow64\c52451daC:\Windows\Syswow64\c52451da1⤵
- 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:2604
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c52451da
- Size 576KB
- SHA256 4e39b1938a31f0ece1098102812a41027a40f15401165d06de41f98e525de7b2
- MD5 60960c95ec239f87323569ff13eaae93
- SHA1 352f7cb00458c13df62fb4a7c15068141ba7f1e8
- SHA512 75d9c685c79de8a25ad6f810ef0dde839366bfd51416d6c5c30869fedee97addc13bfc5e685af0f780e554b71fe5d51f994d654ff6e810d5b7f16d078c45f35e
- SSDEEP 12288:fqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:fjHPOSOkx2LFscUQPK
- TLSH T178C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH