Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 20:43
Behavioral task
behavioral1
Sample
f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe
- Size 2.5MB
- Sample260718-zhst2act2p
- SHA256 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0
- MD5 8ad9062401b538b6cb57341a0f5981da
- SHA1 28a9789fa6e90b688fa146de8b333079604ce1f8
- SHA512 de311a62fed0b7c25193392b734b0e4fc2b50a5beda94c671d3e23f15b83eab8dc827b908eab2dfeef438cfaae2bf69fbeabc95df0407afdc755ccbcd7c65e16
- SSDEEP 49152:DHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:DnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T106C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5180 9bf9d032 - 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 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe Destination IP 1 114.114.114.114 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe Destination IP 2 223.5.5.5 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe Destination IP 9 114.114.114.114 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9bf9d032 File created C:\Windows\SysWOW64\9bf9d032 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9bf9d032 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9bf9d032 -
resource yara_rule behavioral2/memory/4232-0-0x0000000000C60000-0x0000000000CEC000-memory.dmp upx behavioral2/files/0x000700000001b858-2.dat upx behavioral2/memory/5180-3-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral2/memory/4232-10-0x0000000000C60000-0x0000000000CEC000-memory.dmp upx behavioral2/memory/5180-11-0x0000000000680000-0x000000000070C000-memory.dmp upx behavioral2/memory/5180-28-0x0000000000680000-0x000000000070C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\58aef8 9bf9d032 File opened for modification C:\Windows\487410 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.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 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9bf9d032 - 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 9bf9d032 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9bf9d032 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9bf9d032 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9bf9d032 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9bf9d032 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9bf9d032 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9bf9d032 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9bf9d032 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9bf9d032 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5180 9bf9d032 5180 9bf9d032 5180 9bf9d032 5180 9bf9d032 5180 9bf9d032 5180 9bf9d032 5180 9bf9d032 5180 9bf9d032 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe Token: SeTcbPrivilege 4232 f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe Token: SeDebugPrivilege 5180 9bf9d032 Token: SeTcbPrivilege 5180 9bf9d032
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.exe"C:\Users\Admin\AppData\Local\Temp\f1a856e5ff90d2ba13d4d237885e8a42e488908c3102ca2f1d3757d291d337f0.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:4232
-
C:\Windows\Syswow64\9bf9d032C:\Windows\Syswow64\9bf9d0321⤵
- 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:5180
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\9bf9d032
- Size 2.5MB
- SHA256 67fd8ef20beb40f322e8fb1e378d58c42f1f86ac37c57ac5513c07dcfb293836
- MD5 b172383425bfe4c70cc15b7cc45dfa3c
- SHA1 5c61b31ed97d87ac440972668603bc10ff798149
- SHA512 37292dc75086eb516641dd036f39b35083a10a03977bf884ecd3b7aad4ea2171638b2b5c751e6197ae15a0d940401ea69d4991b1925923d177fa2e6d2a79f31f
- SSDEEP 49152:LHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:LnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1A3C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH