Analysis
- max time kernel
150s - max time network
154s - 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, 08:18
Behavioral task
behavioral1
Sample
8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe
- Size 761KB
- Sample260809-j7e2gahe68
- SHA256 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c
- MD5 8363bd1df0d5b3229f568bd0da91feda
- SHA1 a9949f0dd605ba74e05e636e66f836ea3776ed21
- SHA512 51030681a6671c0692ac2421a8a0888c03c13b4743cd6d8d2915f56219518a2a2c4879805fe72ecf487573eeff21c1c6465fa584da929c70b25da6084b34c1cf
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:EvO2xJKRw2kOkxSkW298B
- TLSH T106F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4136 d203599c - 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 4 114.114.114.114 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe Destination IP 5 223.5.5.5 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe Destination IP 16 114.114.114.114 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe Destination IP 17 223.5.5.5 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 d203599c File created C:\Windows\SysWOW64\d203599c 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d203599c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d203599c -
resource yara_rule behavioral2/memory/572-0-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/files/0x000b00000001b1a4-2.dat upx behavioral2/memory/4136-3-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/memory/572-12-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/4136-13-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/memory/4136-31-0x0000000000720000-0x00000000007AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\46cf50 d203599c File opened for modification C:\Windows\9caf8 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.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 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d203599c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d203599c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d203599c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d203599c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d203599c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d203599c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d203599c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d203599c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d203599c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d203599c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4136 d203599c 4136 d203599c 4136 d203599c 4136 d203599c 4136 d203599c 4136 d203599c 4136 d203599c 4136 d203599c 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe Token: SeTcbPrivilege 572 8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe Token: SeDebugPrivilege 4136 d203599c Token: SeTcbPrivilege 4136 d203599c
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.exe"C:\Users\Admin\AppData\Local\Temp\8d8d2253a0e18717090033e8ecb8f7d2f4a8d724ed4e250391e01b0274b7951c.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:572
-
C:\Windows\Syswow64\d203599cC:\Windows\Syswow64\d203599c1⤵
- 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:4136
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d203599c
- Size 761KB
- SHA256 f4d559ee1195167be09de6a6f507e4586c52397a462fd9f1ae66680c7bd90659
- MD5 c0e56514f01a56b007b9ba0ffd9eed35
- SHA1 c5605185009582d55339e6534ec651cdd9c1765f
- SHA512 255d89b041c4d31126bf8bada58a99e8d3e35fefead361928bacdbdf9d98312d5a3de3d42dbe95624ffd47bb6e207ec2dbc24ea16e3e685c36df7cd5a5a74533
- SSDEEP 12288:OSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:tvO2xJKRw2kOkxSkW298B
- TLSH T1D0F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH