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
22/07/2026, 19:40
Behavioral task
behavioral1
Sample
3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe
- Size 766KB
- Sample260722-yd1hmsgj41
- SHA256 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f
- MD5 9c68c7f7360ed40352b833b736de7b8e
- SHA1 2e821e055e0c2660f7957f0a119cf42ddbe20be5
- SHA512 a96113c93f6ec5c32769f6770a1556bddea2d68611187c3e31d59d9d1cef5513e658b2088c9a86b297f93d624e5a273cbeb59d6ab2353977a5194bc81c496beb
- SSDEEP 12288:kSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:XvO2xJKRw2kOkx2LFRvcUV
- TLSH T1EBF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6048 10b98e5 - 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 2 223.5.5.5 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe Destination IP 7 114.114.114.114 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe Destination IP 8 223.5.5.5 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe Destination IP 1 114.114.114.114 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\10b98e5 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 10b98e5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 10b98e5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 10b98e5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 10b98e5 -
resource yara_rule behavioral2/memory/5792-0-0x00000000004A0000-0x000000000052C000-memory.dmp upx behavioral2/memory/6048-3-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral2/files/0x000c000000019c8f-2.dat upx behavioral2/memory/5792-10-0x00000000004A0000-0x000000000052C000-memory.dmp upx behavioral2/memory/6048-11-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral2/memory/6048-28-0x0000000000130000-0x00000000001BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\678b40 10b98e5 File opened for modification C:\Windows\632940 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.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 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 10b98e5 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 10b98e5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 10b98e5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 10b98e5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 10b98e5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 10b98e5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 10b98e5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 10b98e5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 10b98e5 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6048 10b98e5 6048 10b98e5 6048 10b98e5 6048 10b98e5 6048 10b98e5 6048 10b98e5 6048 10b98e5 6048 10b98e5 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe Token: SeTcbPrivilege 5792 3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe Token: SeDebugPrivilege 6048 10b98e5 Token: SeTcbPrivilege 6048 10b98e5
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.exe"C:\Users\Admin\AppData\Local\Temp\3b21f2c41d544f7898c6932eb219a1b6c8cb95f28e409261b3a203a77bac648f.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:5792
-
C:\Windows\Syswow64\10b98e5C:\Windows\Syswow64\10b98e51⤵
- 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:6048
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\10b98e5
- Size 766KB
- SHA256 0f6d5ffa4c174144697098b66d6627c86cf04a4efe6a8532aa85a6d9c3fffd9a
- MD5 ab0ef864d67ed65b6d55dd5b6ee70e59
- SHA1 d9714c28cf6b08bb05d6a970e06d484107ae945d
- SHA512 0fd51f882b9b9c854fa47938f5c2e4f203335125889198ae34c7187b906a836935ac03dff76921451cb36c44e73981981119db1320732ce1ef0a24a000fbe8ec
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:kvO2xJKRw2kOkx2LFRvcUV
- TLSH T1F7F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH