Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 19:51
Behavioral task
behavioral1
Sample
faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe
- Size 640KB
- Sample260819-ylaxyssbmg
- SHA256 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f
- MD5 ca1663ac64059b4e05858c79ef8bada9
- SHA1 c7c845350e93161ef8786899295233a12f348b9e
- SHA512 9f036cfd3d0608b8ec9aac3936f96388a56d4031674e522027b80fe4619b478ce9b333334df6f3a5366a67b995a31d543d9cc5c42e86b9c20ffb5cd8d1b5bfff
- SSDEEP 6144:ScTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:SSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F3D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4048 cb3794ca - 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 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe Destination IP 3 223.5.5.5 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe Destination IP 29 114.114.114.114 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe Destination IP 30 223.5.5.5 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\cb3794ca faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cb3794ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cb3794ca -
resource yara_rule behavioral2/memory/4796-0-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/files/0x000b00000001b834-2.dat upx behavioral2/memory/4048-3-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral2/memory/4796-16-0x0000000000490000-0x000000000051C000-memory.dmp upx behavioral2/memory/4048-17-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral2/memory/4048-32-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\454da0 cb3794ca File opened for modification C:\Windows\521bf8 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.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 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb3794ca - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cb3794ca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cb3794ca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cb3794ca Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cb3794ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cb3794ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cb3794ca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cb3794ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cb3794ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cb3794ca - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4048 cb3794ca 4048 cb3794ca 4048 cb3794ca 4048 cb3794ca 4048 cb3794ca 4048 cb3794ca 4048 cb3794ca 4048 cb3794ca 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe Token: SeTcbPrivilege 4796 faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe Token: SeDebugPrivilege 4048 cb3794ca Token: SeTcbPrivilege 4048 cb3794ca
Processes
-
C:\Users\Admin\AppData\Local\Temp\faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.exe"C:\Users\Admin\AppData\Local\Temp\faa3ad24e257ca2bec9d46898d6bb483168b355319aced44a67000f94513223f.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:4796
-
C:\Windows\Syswow64\cb3794caC:\Windows\Syswow64\cb3794ca1⤵
- 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:4048
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cb3794ca
- Size 640KB
- SHA256 93990b37564597fac185c432cf074f50d1838a1192549771163030fe4e67dba2
- MD5 d650a9937a0e21f8254347af6edec008
- SHA1 3fbe168dc9b1d811973a1321726c359e4bf15a09
- SHA512 b5ae4ac55de20c3edf3de7efa9dd2f5652cb3ffa1719903434f55fb102d2ff08aa426e44a0f7f77222fb8c67171570baaf519652cbb8b41926c5da58a691f4ab
- SSDEEP 6144:PcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:PSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T194D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH