Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 04:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe
- Size 419KB
- Sample260817-fffbdatcna
- SHA256 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675
- MD5 cb09e2f393fd6bbf2e94b9c83df4ec68
- SHA1 dc361e9c358e31c8dd23888d722e394cd85dca07
- SHA512 9b1df9b5fed674ee357cc0f8cf24d90b98116b5d03f8dbec656513ba9583656c8eb433d27fe9ca80f6e1ce303fab53cb0bcef2c67ef9ba03b09309565cd471f2
- SSDEEP 6144:YatygN+TkFSLZ+knaTDH76VFwcEOkCybEaQRXr9HNdvOa:YatG+S9+kaTDHrOkx2LIa
- TLSH T11B948C19FAA08076C563857AC4E257A6FBB1B5223B109ACF639007565F237E3BD3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4396 12a08c1a - 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 1 114.114.114.114 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe Destination IP 4 223.5.5.5 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe Destination IP 11 114.114.114.114 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe Destination IP 12 223.5.5.5 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 12a08c1a File created C:\Windows\SysWOW64\12a08c1a 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 12a08c1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12a08c1a - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4b42d8 12a08c1a File opened for modification C:\Windows\3cacb0 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.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 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 12a08c1a - 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 12a08c1a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 12a08c1a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 12a08c1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 12a08c1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 12a08c1a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 12a08c1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 12a08c1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 12a08c1a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 12a08c1a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4396 12a08c1a 4396 12a08c1a 4396 12a08c1a 4396 12a08c1a 4396 12a08c1a 4396 12a08c1a 4396 12a08c1a 4396 12a08c1a 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe Token: SeTcbPrivilege 3544 843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe Token: SeDebugPrivilege 4396 12a08c1a Token: SeTcbPrivilege 4396 12a08c1a
Processes
-
C:\Users\Admin\AppData\Local\Temp\843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.exe"C:\Users\Admin\AppData\Local\Temp\843334c6303caca567a0311d6b7b595ca957795d08929752dee858e42962a675.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:3544
-
C:\Windows\Syswow64\12a08c1aC:\Windows\Syswow64\12a08c1a1⤵
- 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:4396
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\12a08c1a
- Size 419KB
- SHA256 e3893204ffe3001f0978e8c025bd1d0d45b22c4e89775f7012f1f470839bf7fb
- MD5 d2fb1051ef8218bd7300d895d634c59f
- SHA1 f3622a4f2eb917553254ea68b50fb77f81cf8bb4
- SHA512 bbc2a2bab19387848873b99837b3871d8859bcb16fc38ee07f0ff8fa5225bb4e2aee977a9906e757bf1b9157e933659ee33494e93439bf7558ea13a847c719c8
- SSDEEP 6144:fatygN+TkFSLZ+knaTDH76VFwcEOkCybEaQRXr9HNdvOa:fatG+S9+kaTDHrOkx2LIa
- TLSH T177948C19FAA08076C563857AC4E257A6FBB1B5223B109ACF639007565F237E3BD3530E
- MD5 SHA1 SHA512 SSDEEP TLSH