Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 06:49
Behavioral task
behavioral1
Sample
1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe
- Size 2.5MB
- Sample261002-hljxvstemh
- SHA256 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7
- MD5 bfe0250ab88027c3ba5c70a4167ab018
- SHA1 388494cd8530263af9aba672dce60f8187a96110
- SHA512 f22339c95ad846ae5cc633a0580c5f51875fc360da71b5bb97e88e6e03a7927041ec048a169ca130ae20a5c1ce8c9892ec71571c6eeeaae1ee6728ecc3053e29
- SSDEEP 49152:7HHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:7nKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T161C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3392 6c8021ef - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 350 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 93 114.114.114.114 3392 6c8021ef Destination IP 95 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 180 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 181 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 351 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 4 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 39 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 234 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 318 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 319 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 40 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 149 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 277 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 279 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 404 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 405 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 459 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 460 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 6 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 148 114.114.114.114 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Destination IP 235 223.5.5.5 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6c8021ef File created C:\Windows\SysWOW64\6c8021ef 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6c8021ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6c8021ef -
resource yara_rule behavioral2/memory/3564-0-0x0000000000FF0000-0x000000000107C000-memory.dmp upx behavioral2/memory/3392-3-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx behavioral2/files/0x000600000001b857-2.dat upx behavioral2/memory/3564-18-0x0000000000FF0000-0x000000000107C000-memory.dmp upx behavioral2/memory/3392-19-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx behavioral2/memory/3392-42-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3a1280 6c8021ef File opened for modification C:\Windows\3d0458 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 6c8021ef Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 6c8021ef - 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 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6c8021ef - 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 6c8021ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6c8021ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6c8021ef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6c8021ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6c8021ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6c8021ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6c8021ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6c8021ef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6c8021ef - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3392 6c8021ef 3392 6c8021ef 3392 6c8021ef 3392 6c8021ef 3392 6c8021ef 3392 6c8021ef 3392 6c8021ef 3392 6c8021ef 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Token: SeTcbPrivilege 3564 1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe Token: SeDebugPrivilege 3392 6c8021ef Token: SeTcbPrivilege 3392 6c8021ef
Processes
-
C:\Users\Admin\AppData\Local\Temp\1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe"C:\Users\Admin\AppData\Local\Temp\1ffb6a66857ca480d1cc82faeece2a0bd214020e58ec8203ce53237221f5ecc7.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3564
-
C:\Windows\Syswow64\6c8021efC:\Windows\Syswow64\6c8021ef1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3392
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\6c8021ef
- Size 2.5MB
- SHA256 549530c19b9b4a224784b1d242c68db3bb3134ce99241194c1446b41f9f0385e
- MD5 545629ff5142bb55b60d5d77c6be839c
- SHA1 2e929aa5d249edb1ecb62eb4683e39a278241a75
- SHA512 f66eb96e9ff3d520c68e70a040209d66070a57543d45cde80f75f85d6259424bf553d7312a8d253408162b555c60a6c86284e071b38dabd1fef84444ef5e47f0
- SSDEEP 49152:JHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:JnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T198C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH