Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 21:13
Behavioral task
behavioral1
Sample
3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe
- Size 830KB
- Sample260511-z29lwsax21
- SHA256 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee
- MD5 472a660bd2f30b6d47c60bc1fa427c92
- SHA1 042abe0113a91d9538823d3991cf53feec238090
- SHA512 3fd87c04e3cbc5b47b143e6d49cba325af24563fa156f753e5be7591525662b2770f8328170ab0dd2e7cb4252adbc1e571343f9cb1162a5036f8177f5d668c00
- SSDEEP 12288:BSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:IvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1C7055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2692 256cee88 - 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 16 223.5.5.5 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe Destination IP 1 114.114.114.114 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe Destination IP 2 223.5.5.5 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe Destination IP 15 114.114.114.114 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 256cee88 File created C:\Windows\SysWOW64\256cee88 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 256cee88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 256cee88 -
resource yara_rule behavioral2/memory/1456-0-0x0000000000B30000-0x0000000000BBC000-memory.dmp upx behavioral2/files/0x001d00000002b160-3.dat upx behavioral2/memory/2692-4-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral2/memory/1456-15-0x0000000000B30000-0x0000000000BBC000-memory.dmp upx behavioral2/memory/2692-16-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral2/memory/2692-26-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2e1688 256cee88 File opened for modification C:\Windows\18ed60 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.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 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 256cee88 - 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 256cee88 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 256cee88 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 256cee88 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 256cee88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 256cee88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 256cee88 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 256cee88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 256cee88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 256cee88 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2692 256cee88 2692 256cee88 2692 256cee88 2692 256cee88 2692 256cee88 2692 256cee88 2692 256cee88 2692 256cee88 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe Token: SeTcbPrivilege 1456 3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe Token: SeDebugPrivilege 2692 256cee88 Token: SeTcbPrivilege 2692 256cee88
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.exe"C:\Users\Admin\AppData\Local\Temp\3a3a63f95592d3a84433af311202ee603cbcd5f414a51c36cd1e60fc980ac0ee.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:1456
-
C:\Windows\Syswow64\256cee88C:\Windows\Syswow64\256cee881⤵
- 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:2692
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\256cee88
- Size 830KB
- SHA256 6b15127fc1381399b374ffecf6ba1b82f8425126a4336fcfbd43a21e40734600
- MD5 9032ce77bc6522bc1ee03a41f862cc0d
- SHA1 fd629df0bcd29a2b8a3ef2dd428151e146a49d8f
- SHA512 7055def44c9837ca577a722b9b08df721ad7ddcbea25fc333724d4e2e89d4fcc5a70d974349d085c29d5ec3ff27ae577366a2735bf5c6c48a37a83f0f5c4f56a
- SSDEEP 12288:ySvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:ZvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T147055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH