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
09/08/2026, 02:55
Behavioral task
behavioral1
Sample
af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe
- Size 761KB
- Sample260809-delewssxgz
- SHA256 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9
- MD5 5e926d8fde277fa40aaacb7402275233
- SHA1 ba170c969b5c695a6ceae4983f4c9f6424be19c2
- SHA512 27ea961610ccecb191ad91640f5966938b0a79208c1f927e23597ca6feceabcceabff41a3d63a33e29169ddbbe3edcc32dcfeb302614a5cd0b6a65ad674d1c86
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:vvO2xJKRw2kOkxSkW298B
- TLSH T14CF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3884 511b86b0 - 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 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe Destination IP 4 223.5.5.5 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe Destination IP 17 114.114.114.114 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe Destination IP 18 223.5.5.5 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 511b86b0 File created C:\Windows\SysWOW64\511b86b0 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 511b86b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 511b86b0 -
resource yara_rule behavioral2/memory/4300-0-0x00000000001B0000-0x000000000023C000-memory.dmp upx behavioral2/files/0x000b000000019cb8-2.dat upx behavioral2/memory/3884-3-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/memory/4300-10-0x00000000001B0000-0x000000000023C000-memory.dmp upx behavioral2/memory/3884-11-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx behavioral2/memory/3884-32-0x0000000000DA0000-0x0000000000E2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\427ed8 511b86b0 File opened for modification C:\Windows\499e18 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.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 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 511b86b0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 511b86b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 511b86b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 511b86b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 511b86b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 511b86b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 511b86b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 511b86b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 511b86b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 511b86b0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3884 511b86b0 3884 511b86b0 3884 511b86b0 3884 511b86b0 3884 511b86b0 3884 511b86b0 3884 511b86b0 3884 511b86b0 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe Token: SeTcbPrivilege 4300 af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe Token: SeDebugPrivilege 3884 511b86b0 Token: SeTcbPrivilege 3884 511b86b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.exe"C:\Users\Admin\AppData\Local\Temp\af3110b911dbacacb8722f136a143b9ab43e784a676615824791ee9e35609cb9.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:4300
-
C:\Windows\Syswow64\511b86b0C:\Windows\Syswow64\511b86b01⤵
- 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:3884
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\511b86b0
- Size 761KB
- SHA256 f5c2142c3858f859eb827b7b8b03b71168663e1870a81182f13c142f96f40a75
- MD5 f1d68c989e003379cd527d7014cbe0e2
- SHA1 0e5929e3c6acef24b82eb8acad42b1138881d20c
- SHA512 e53712c7848eb6d1e7dd048c7f6d0a9c3d2ced07a78dae119b6cef45869f91becefba40b954e1574cd5183e8717a2bf0cb6286f413ddc85ddea4d3fca38995c6
- SSDEEP 12288:mSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:FvO2xJKRw2kOkxSkW298B
- TLSH T1E8F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH