Analysis
- max time kernel
150s - 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
31/08/2026, 03:23
Behavioral task
behavioral1
Sample
420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe
- Size 2.6MB
- Sample260831-dxt5raee36
- SHA256 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884
- MD5 a50fbb2ef7c1029462bde3c4ca971a7d
- SHA1 351f5fc31821a7a2b312fc4d397b92729d2588c5
- SHA512 b323b06088e212aae5d047269d9cfb48587e3b721ea6c075ecbc41c77e55dbfcc2ff9a817cefbc89272f7de0a7b96374f7b4f2030e627a2da9c122dce22057b4
- SSDEEP 49152:rTGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:rKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1D1C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4708 2fa3702c - 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 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe Destination IP 2 223.5.5.5 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe Destination IP 13 114.114.114.114 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe Destination IP 14 223.5.5.5 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2fa3702c File created C:\Windows\SysWOW64\2fa3702c 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2fa3702c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2fa3702c -
resource yara_rule behavioral2/memory/1168-0-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/files/0x000c000000019c8f-2.dat upx behavioral2/memory/4708-3-0x00000000004A0000-0x0000000000529000-memory.dmp upx behavioral2/memory/1168-18-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/memory/4708-20-0x00000000004A0000-0x0000000000529000-memory.dmp upx behavioral2/memory/4708-24-0x00000000004A0000-0x0000000000529000-memory.dmp upx behavioral2/memory/1168-36-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/memory/4708-37-0x00000000004A0000-0x0000000000529000-memory.dmp upx behavioral2/memory/4708-42-0x00000000004A0000-0x0000000000529000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\509a48 2fa3702c File opened for modification C:\Windows\13ff20 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.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 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2fa3702c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2fa3702c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2fa3702c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2fa3702c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2fa3702c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2fa3702c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2fa3702c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2fa3702c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2fa3702c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2fa3702c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4708 2fa3702c 4708 2fa3702c 4708 2fa3702c 4708 2fa3702c 4708 2fa3702c 4708 2fa3702c 4708 2fa3702c 4708 2fa3702c 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe Token: SeTcbPrivilege 1168 420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe Token: SeDebugPrivilege 4708 2fa3702c Token: SeTcbPrivilege 4708 2fa3702c
Processes
-
C:\Users\Admin\AppData\Local\Temp\420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.exe"C:\Users\Admin\AppData\Local\Temp\420f8934daa481ee8eee1de6a84d04fb5b22d2c0d850abff2aca2222c1b8a884.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:1168
-
C:\Windows\Syswow64\2fa3702cC:\Windows\Syswow64\2fa3702c1⤵
- 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:4708
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2fa3702c
- Size 2.6MB
- SHA256 ce0ee136249d02ccc12260413d23da96416431f0db92bc247efe4ed9de4aea3f
- MD5 4ad822612ac73fd6a15e872db46ca607
- SHA1 9fb0316dd65134a2611b8335ed3010e5b38a659a
- SHA512 721ae29cb81f341e9290233a240f340bf956bb1b11f915e8a63f047697d6b782b389f85ed3cbfa8a7de6db4ba23124367b1105daab44c85abb46190e82d5ec74
- SSDEEP 49152:RTGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:RKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T121C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH