Analysis
- max time kernel
148s - 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
09/08/2026, 23:14
Behavioral task
behavioral1
Sample
743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe
- Size 576KB
- Sample260809-27y4fsxbqa
- SHA256 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5
- MD5 934a3ccbe3c7e5eb4b12793b621a9757
- SHA1 3f5d19b5bdcac877acb4647a922cb34ea7d7a158
- SHA512 8ffc71885e3873347674c855a68f014ea5933d47f36ccb8c11678fdf63e47b1f7a6c58c9cad450b381848ff27abd2e2d2e2df7ea1afe85f5bf74266fbee655a6
- SSDEEP 6144:TcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:TSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1B9C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2304 4c4dcaf3 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 59 223.5.5.5 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Destination IP 1 114.114.114.114 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Destination IP 2 223.5.5.5 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Destination IP 37 114.114.114.114 2304 4c4dcaf3 Destination IP 38 223.5.5.5 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Destination IP 58 114.114.114.114 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4c4dcaf3 File created C:\Windows\SysWOW64\4c4dcaf3 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4c4dcaf3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4c4dcaf3 -
resource yara_rule behavioral2/memory/4636-0-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral2/files/0x000e00000001b847-2.dat upx behavioral2/memory/2304-3-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx behavioral2/memory/4636-18-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral2/memory/2304-19-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx behavioral2/memory/2304-30-0x0000000000C90000-0x0000000000D1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\277200 4c4dcaf3 File opened for modification C:\Windows\4f5eb8 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.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 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4c4dcaf3 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4c4dcaf3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4c4dcaf3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4c4dcaf3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4c4dcaf3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4c4dcaf3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4c4dcaf3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4c4dcaf3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4c4dcaf3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4c4dcaf3 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2304 4c4dcaf3 2304 4c4dcaf3 2304 4c4dcaf3 2304 4c4dcaf3 2304 4c4dcaf3 2304 4c4dcaf3 2304 4c4dcaf3 2304 4c4dcaf3 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Token: SeTcbPrivilege 4636 743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe Token: SeDebugPrivilege 2304 4c4dcaf3 Token: SeTcbPrivilege 2304 4c4dcaf3
Processes
-
C:\Users\Admin\AppData\Local\Temp\743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.exe"C:\Users\Admin\AppData\Local\Temp\743e98a1c9b081e1278a84fb7da27224840e2a0c1224d5689ab54f29fe1cfac5.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:4636
-
C:\Windows\Syswow64\4c4dcaf3C:\Windows\Syswow64\4c4dcaf31⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:2304
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4c4dcaf3
- Size 576KB
- SHA256 2a731598c90d4b1525a8cc0eb45c3e5a9fe7aa0a02e2287bbae65e5f7aa0ec6f
- MD5 a223d0758bedcb771d57bae1663efa05
- SHA1 ed857c4a1f43eebcc951a5ecb667a008b3723f6a
- SHA512 e7fce2ed1ac7a187bc109fba19afffa694369df51b49869ea7ba182f7917a9f30466c34629372806d6702c897fbe7f0bd1027d50bd0368e0427ded44c2454d34
- SSDEEP 6144:BcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:BSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T101C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH