Analysis
- max time kernel
148s - 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
12/07/2026, 19:54
Behavioral task
behavioral1
Sample
23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe
- Size 525KB
- Sample260712-ymr8maas21
- SHA256 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e
- MD5 169e8fe80989848f9aebba75e8fd1bd0
- SHA1 8d14d60ffa9ef55287414a39e1bce98658fbbee1
- SHA512 402ba9296be7ee9d0791d41874db468ef8b410b6fc0bb98b5101b1ad49f85a443bcb56d4cac8d50373185b7ddb1a8c097504c54ac0334c19d2847b1615ace5d0
- SSDEEP 6144:fcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:fSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T10BB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4892 1b24b300 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 37 114.114.114.114 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 38 223.5.5.5 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 41 114.114.114.114 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 42 223.5.5.5 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 106 114.114.114.114 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 107 223.5.5.5 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 1 114.114.114.114 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Destination IP 2 223.5.5.5 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.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 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1b24b300 File created C:\Windows\SysWOW64\1b24b300 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1b24b300 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1b24b300 -
resource yara_rule behavioral2/memory/2012-0-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/files/0x0008000000019ce0-2.dat upx behavioral2/memory/4892-4-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/memory/2012-18-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/memory/4892-19-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/memory/4892-35-0x0000000000180000-0x000000000020C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\53c0b8 1b24b300 File opened for modification C:\Windows\227238 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.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 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1b24b300 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1b24b300 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1b24b300 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1b24b300 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1b24b300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1b24b300 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1b24b300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1b24b300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1b24b300 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1b24b300 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4892 1b24b300 4892 1b24b300 4892 1b24b300 4892 1b24b300 4892 1b24b300 4892 1b24b300 4892 1b24b300 4892 1b24b300 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Token: SeTcbPrivilege 2012 23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe Token: SeDebugPrivilege 4892 1b24b300 Token: SeTcbPrivilege 4892 1b24b300
Processes
-
C:\Users\Admin\AppData\Local\Temp\23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.exe"C:\Users\Admin\AppData\Local\Temp\23931d458af08cef945170975d1a9e3f165cb55d62be1e67a761edd668ac521e.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:2012
-
C:\Windows\Syswow64\1b24b300C:\Windows\Syswow64\1b24b3001⤵
- 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:4892
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1b24b300
- Size 525KB
- SHA256 884c9208d97e20ec30aba348aca1133447059e85a4ab10edbf24cd4650d1df89
- MD5 511d0bb7cdfb771859338feae6c8e333
- SHA1 53ec6e14c184e645907c0cccaee4634545ba8f68
- SHA512 7eb9dabc35f67ccb6ffab5b63ce1a063e2d1dfc6649b85a1f8f459e029a09ffb94b93f1c09f003f73613832718ed1145ceb2afe2c26f195ebdc8aecbdc5b0136
- SSDEEP 6144:McTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:MSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T13DB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH