Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 00:32
Behavioral task
behavioral1
Sample
8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe
- Size 1.1MB
- Sample260805-avsmcsba37
- SHA256 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e
- MD5 8e8e2a2925f9c5d50a1e09f5dd444ae4
- SHA1 9b52b86e2e8846fb77932ccf3f0a60bbd5cfb5d5
- SHA512 a92f8ae81ad53fc84d578b3f2ff53446800991c868fab6f1bc731e956d7e60b416c26166db22b08b01f3c0b8517b215a656ed631e66446b4f2e7a8d6add083d7
- SSDEEP 12288:xSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:YvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1B3357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6140 7203297c - 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 3 114.114.114.114 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe Destination IP 6 223.5.5.5 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe Destination IP 21 114.114.114.114 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe Destination IP 22 223.5.5.5 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 7203297c File created C:\Windows\SysWOW64\7203297c 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7203297c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7203297c -
resource yara_rule behavioral2/memory/5036-0-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/files/0x000a000000019caa-2.dat upx behavioral2/memory/6140-3-0x00000000000B0000-0x000000000013C000-memory.dmp upx behavioral2/memory/5036-13-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/6140-14-0x00000000000B0000-0x000000000013C000-memory.dmp upx behavioral2/memory/6140-34-0x00000000000B0000-0x000000000013C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\691e78 7203297c File opened for modification C:\Windows\5637d8 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.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 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7203297c - 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\History\CachePrefix = "Visited:" 7203297c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7203297c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7203297c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7203297c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7203297c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7203297c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7203297c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7203297c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7203297c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6140 7203297c 6140 7203297c 6140 7203297c 6140 7203297c 6140 7203297c 6140 7203297c 6140 7203297c 6140 7203297c 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe Token: SeTcbPrivilege 5036 8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe Token: SeDebugPrivilege 6140 7203297c Token: SeTcbPrivilege 6140 7203297c
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.exe"C:\Users\Admin\AppData\Local\Temp\8a58f34e76ae65b69e6493c8c1158573f8d31e523bccb61b5b61049c0144436e.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:5036
-
C:\Windows\Syswow64\7203297cC:\Windows\Syswow64\7203297c1⤵
- 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:6140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\7203297c
- Size 1.1MB
- SHA256 75ca096de167b14d4606c274952e8612c544e7dbe670a27bb23e8c3d5d251426
- MD5 dc8abe42f9475d19a0adf255ef0e3cd6
- SHA1 be72b30c6f7e0d034d5521e4d6f5078cba9f5710
- SHA512 a7988eff6ef830dfed1a1b2a93a022d31561e8033738cafca465b8ee9a7ede9e8add68349c39db391bc6750f00f500c35db22dba334c87fae5c0e431446d82bd
- SSDEEP 12288:OSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:tvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1CF357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH