Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 22:29
Behavioral task
behavioral1
Sample
40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe
- Size 1.4MB
- Sample260426-2elyeshw7s
- SHA256 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d
- MD5 219eda58e0b5d75b9315c9500e6db4e5
- SHA1 78ad019e51e9a399947c7d2207b79c8a628fd71b
- SHA512 4915e09ba4486d7f1884ff0f45e6530a9fa3ed88e6d481975a7282fe5c3b40db7e74df88623b987993617ccf384a34bd9f20f85617565222c3848b8701c85322
- SSDEEP 24576:qjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:qTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T166658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3592 a882d780 - 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 70 223.5.5.5 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 1 114.114.114.114 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 2 223.5.5.5 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 13 114.114.114.114 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 14 223.5.5.5 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 69 114.114.114.114 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a882d780 File created C:\Windows\SysWOW64\a882d780 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a882d780 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a882d780 -
resource yara_rule behavioral2/memory/1800-0-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/files/0x003200000002b13e-2.dat upx behavioral2/memory/3592-4-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral2/memory/1800-18-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/3592-21-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral2/memory/1800-38-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/3592-40-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral2/memory/3592-43-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral2/memory/1800-44-0x0000000000B80000-0x0000000000C09000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3d7f10 a882d780 File opened for modification C:\Windows\1ed110 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.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 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a882d780 - 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\Cookies\CachePrefix = "Cookie:" a882d780 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a882d780 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a882d780 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a882d780 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a882d780 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a882d780 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a882d780 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a882d780 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a882d780 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3592 a882d780 3592 a882d780 3592 a882d780 3592 a882d780 3592 a882d780 3592 a882d780 3592 a882d780 3592 a882d780 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Token: SeTcbPrivilege 1800 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Token: SeDebugPrivilege 3592 a882d780 Token: SeTcbPrivilege 3592 a882d780
Processes
-
C:\Users\Admin\AppData\Local\Temp\40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe"C:\Users\Admin\AppData\Local\Temp\40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.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:1800
-
C:\Windows\Syswow64\a882d780C:\Windows\Syswow64\a882d7801⤵
- 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:3592
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a882d780
- Size 1.4MB
- SHA256 73d1dd063be7ee48c24c571fe88b84c337e7d5a29a3e6c258bffdee1eea54307
- MD5 83b6081a49d961342b33d43868ea1577
- SHA1 3b7ea20b294fdcb6e01565544971e5edfe26719e
- SHA512 58d78e1a444138d1a6f81c3b3c5734c10bfc6fe6bf1bea2176b3770bbbbf2db8c2e96091ee753efd6d4d7d3bd94a6db82cf91a93e745bdb105a06ff69a61dd68
- SSDEEP 24576:UjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:UTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T152658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH