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
21/04/2026, 00:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe
- Size 547KB
- Sample260421-a341csat8t
- SHA256 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd
- MD5 986e6ed912582b1ce8ddd4b58fdaa4a6
- SHA1 a895c3f3981759c9f27af2b1fde69e2b4e220166
- SHA512 38f1a907b91abcc339e04a674347afbc9c904756d947c3297a8f6fcf47a73eb37d0ab85806f9351c494676ed0c3f7a17fafc6f0d67b71ade89e63a6b02c87543
- SSDEEP 6144:dcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOaxy8KARG3:dSvO2x9mONvKRILSFnOkx2LIaxy6RY
- TLSH T135C47C27B6908236C4778675C4E647A6FBB5B511BB228B8F675083190F237D3BE21B1C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5360 54920b3e - 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 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe Destination IP 2 223.5.5.5 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe Destination IP 10 114.114.114.114 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe Destination IP 11 223.5.5.5 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\54920b3e 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 54920b3e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 54920b3e - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5bc3e0 54920b3e File opened for modification C:\Windows\404dd8 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.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 54920b3e Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.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\History\CachePrefix = "Visited:" 54920b3e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 54920b3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 54920b3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 54920b3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 54920b3e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 54920b3e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 54920b3e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 54920b3e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 54920b3e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5360 54920b3e 5360 54920b3e 5360 54920b3e 5360 54920b3e 5360 54920b3e 5360 54920b3e 5360 54920b3e 5360 54920b3e 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe Token: SeTcbPrivilege 3756 5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe Token: SeDebugPrivilege 5360 54920b3e Token: SeTcbPrivilege 5360 54920b3e
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.exe"C:\Users\Admin\AppData\Local\Temp\5a64893d353bf756c4d18ce825945321a342feefcc6414070175926953159ddd.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:3756
-
C:\Windows\Syswow64\54920b3eC:\Windows\Syswow64\54920b3e1⤵
- 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:5360
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\54920b3e
- Size 547KB
- SHA256 618339fc0e0a01f284524565acd5b507820ad7fb85191264dc2b750beca18c3e
- MD5 7a5940212105ecb7b8998e4b994b2906
- SHA1 6f6fb3d438c44933066eec6e65f399f85d3e0877
- SHA512 311babce84f96e08b9f5a7b0ccb25ed9aaa1b0f2a6df47aef4f06b44e84863d8920f24966277f52510a77cd74b9d201bae40d48eb3e081283d310e4dc44fe8bf
- SSDEEP 6144:tcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOaxy8KARG3:tSvO2x9mONvKRILSFnOkx2LIaxy6RY
- TLSH T1FBC47C27B6908236C4778675C4E647A6FBB5B511BB228B8F675083190F237D3BE21B1C
- MD5 SHA1 SHA512 SSDEEP TLSH