Analysis
- max time kernel
148s - max time network
149s - 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, 22:15
Behavioral task
behavioral1
Sample
73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe
- Size 576KB
- Sample260809-16n2esem2y
- SHA256 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be
- MD5 d7bed51f9267961dde9eaca6212a49ae
- SHA1 c7f8897e9092697bbc90aeda8d109effcde92e79
- SHA512 8931d6a13f66bc42e8036e46ec3cb776ab7d3aeb286f4ec78ec35541d2456f222dcd2d19307ab287b704ab19eedd67ef61d7b4ed7ece6c4a01a4cdd027f22c4a
- SSDEEP 6144:2cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:2SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T12EC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3800 c34fc45a - 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 19 223.5.5.5 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe Destination IP 1 114.114.114.114 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe Destination IP 2 223.5.5.5 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe Destination IP 18 114.114.114.114 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c34fc45a File created C:\Windows\SysWOW64\c34fc45a 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c34fc45a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c34fc45a -
resource yara_rule behavioral2/memory/5732-0-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/files/0x0008000000016cdf-4.dat upx behavioral2/memory/3800-3-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/memory/5732-16-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral2/memory/3800-17-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/memory/3800-32-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\410eb0 c34fc45a File opened for modification C:\Windows\622248 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.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 c34fc45a Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe - 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 c34fc45a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c34fc45a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c34fc45a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c34fc45a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c34fc45a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c34fc45a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c34fc45a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c34fc45a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c34fc45a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3800 c34fc45a 3800 c34fc45a 3800 c34fc45a 3800 c34fc45a 3800 c34fc45a 3800 c34fc45a 3800 c34fc45a 3800 c34fc45a 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe Token: SeTcbPrivilege 5732 73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe Token: SeDebugPrivilege 3800 c34fc45a Token: SeTcbPrivilege 3800 c34fc45a
Processes
-
C:\Users\Admin\AppData\Local\Temp\73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.exe"C:\Users\Admin\AppData\Local\Temp\73c323d2dae27996f16401e1cd9a437b619d9e7c656cceb210281f022bf535be.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:5732
-
C:\Windows\Syswow64\c34fc45aC:\Windows\Syswow64\c34fc45a1⤵
- 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:3800
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c34fc45a
- Size 576KB
- SHA256 f7157d8d62ae53084be2b2217a4942e0dd22e236af2c702ad90ec2b402f6a759
- MD5 93bfdb5c27b90c7bab812684093bd233
- SHA1 672a23ec6bfd94aab553bddbe6001679e5c4ce52
- SHA512 f7242afa662fbda1132381ba967259c5dc6af82129cf88a9323be29fbe2b515e19dc5c9da9457221f4139d3964afac4e36c22200fd70c5390d68f6c954b1da7a
- SSDEEP 6144:AcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:ASvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1E2C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH