Analysis
- max time kernel
150s - 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
02/08/2026, 04:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe
- Size 679KB
- Sample260802-fmwxpsdd26
- SHA256 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535
- MD5 7cc371817a65f1ff122625294097abae
- SHA1 70329485efddcc9b2567b06345c55f74bd9b6a0c
- SHA512 3513b20cc8a144eb0bc5f5f3fae590d29e206bb93fb8b1994a9e17e3dc5f8a20077bbc52502f26ada76838468dda0a7cdcb4d842c4624fdd7fc61800e1c523b8
- SSDEEP 12288:ESvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3K:3vO2xJKRI2FOkx2LFEvcUQPK
- TLSH T141E45A31E641C036D4A74576C6FA0BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5616 581819ec - 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 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe Destination IP 4 223.5.5.5 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe Destination IP 17 114.114.114.114 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe Destination IP 18 223.5.5.5 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.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 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 581819ec File created C:\Windows\SysWOW64\581819ec 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 581819ec File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 581819ec - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6025e0 581819ec File opened for modification C:\Windows\177d38 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.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 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 581819ec - 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 581819ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 581819ec Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 581819ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 581819ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 581819ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 581819ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 581819ec Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 581819ec Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 581819ec - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5616 581819ec 5616 581819ec 5616 581819ec 5616 581819ec 5616 581819ec 5616 581819ec 5616 581819ec 5616 581819ec 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe Token: SeTcbPrivilege 1372 55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe Token: SeDebugPrivilege 5616 581819ec Token: SeTcbPrivilege 5616 581819ec
Processes
-
C:\Users\Admin\AppData\Local\Temp\55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.exe"C:\Users\Admin\AppData\Local\Temp\55d6bf92a5d5b2a4baa362a63a3f51052518f703016335d5090077bfe51bf535.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:1372
-
C:\Windows\Syswow64\581819ecC:\Windows\Syswow64\581819ec1⤵
- 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:5616
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\581819ec
- Size 679KB
- SHA256 f21a73ac8477ff1ab1656582ed6e1aa8e1e672074024e7e38c3cbdb223bae93a
- MD5 57ce901a706bc7af0a8912e9191b2b38
- SHA1 ee7beede7478e44a1649dd6c06eabc71374e23ac
- SHA512 fc129fa61d9054dd12ba107ded93b16b2254e05340e565f34541d9a9d8b784570f40e2460dbf519f88e345e1c0920e59ae278e6025124e3a48ea532c8612f8d4
- SSDEEP 12288:+SvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3K:9vO2xJKRI2FOkx2LFEvcUQPK
- TLSH T141E45A31E641C036D4A74576C6FA0BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH