Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 02:35
Behavioral task
behavioral1
Sample
438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe
- Size 2.9MB
- Sample260816-c2187ayapf
- SHA256 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89
- MD5 f23e0e3c61af5d3f72b954e171d4d407
- SHA1 767b35b0062895b89db4e4056d070403c85521eb
- SHA512 ba7cc217c4ea2dad0f53a547ef48cffbd153fe1ea59155dd867abc8ab5f99eb2a7dd4a9f5872b32e859d910879aebcc01db1f966960ac53c2bb4f8437ddd512c
- SSDEEP 49152:YHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:YnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T151D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4724 b9f4d480 - 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 14 223.5.5.5 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe Destination IP 2 114.114.114.114 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe Destination IP 4 223.5.5.5 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe Destination IP 13 114.114.114.114 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\b9f4d480 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b9f4d480 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b9f4d480 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b9f4d480 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b9f4d480 -
resource yara_rule behavioral2/memory/3836-0-0x0000000000120000-0x00000000001AC000-memory.dmp upx behavioral2/files/0x000d00000001b89b-2.dat upx behavioral2/memory/4724-3-0x0000000000BE0000-0x0000000000C6C000-memory.dmp upx behavioral2/memory/3836-10-0x0000000000120000-0x00000000001AC000-memory.dmp upx behavioral2/memory/4724-11-0x0000000000BE0000-0x0000000000C6C000-memory.dmp upx behavioral2/memory/4724-26-0x0000000000BE0000-0x0000000000C6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\50e068 b9f4d480 File opened for modification C:\Windows\41ac78 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.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 b9f4d480 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.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" b9f4d480 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b9f4d480 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b9f4d480 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b9f4d480 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b9f4d480 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b9f4d480 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b9f4d480 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b9f4d480 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b9f4d480 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4724 b9f4d480 4724 b9f4d480 4724 b9f4d480 4724 b9f4d480 4724 b9f4d480 4724 b9f4d480 4724 b9f4d480 4724 b9f4d480 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe Token: SeTcbPrivilege 3836 438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe Token: SeDebugPrivilege 4724 b9f4d480 Token: SeTcbPrivilege 4724 b9f4d480
Processes
-
C:\Users\Admin\AppData\Local\Temp\438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.exe"C:\Users\Admin\AppData\Local\Temp\438828ab956c744a69db47ae9dc132cd2d4a992fad0a4583e39b5b860ac74f89.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:3836
-
C:\Windows\Syswow64\b9f4d480C:\Windows\Syswow64\b9f4d4801⤵
- 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:4724
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b9f4d480
- Size 2.9MB
- SHA256 3d4f51c41ea58aeab64919777db6f105e0422e4851b60b02d708cfbcb2ecd681
- MD5 329b5f922789b888378fda7f4f33f4d1
- SHA1 30e9150c086cc951dc9bc7f797b7740a8f928532
- SHA512 7d1c4993df8ea6a2081ccb315ba92945c0ec8b3162c65388bdb0023c1a1560718921ba10258e414384d20fae41bf45bdba2a48db0994581bcbbe214426804024
- SSDEEP 49152:KHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:KnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1AED59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH