Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/07/2026, 04:37
Behavioral task
behavioral1
Sample
cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe
- Size 576KB
- Sample260707-e9bdvahz2t
- SHA256 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8
- MD5 d07a548def13adc03122ae4a8e176338
- SHA1 5d03b1ecb3796d409f74362bfa188109d1551662
- SHA512 a4912c359f9c2c3df70afd989b0a536bc90f015feb541b63d47bb45aff90cda016cbb231dd2b5689ffa1236cf4d85bbeaa24b3df296344667a1e9f57d587a9df
- SSDEEP 12288:qqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:qjHPOSOkx2LFscUQPK
- TLSH T1CCC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4024 8d8a7b90 - 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 3 114.114.114.114 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe Destination IP 4 223.5.5.5 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe Destination IP 32 114.114.114.114 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe Destination IP 35 223.5.5.5 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8d8a7b90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8d8a7b90 File created C:\Windows\SysWOW64\8d8a7b90 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d8a7b90 -
resource yara_rule behavioral1/memory/4592-0-0x0000000000EC0000-0x0000000000F49000-memory.dmp upx behavioral1/files/0x0006000000009dd1-2.dat upx behavioral1/memory/4024-3-0x0000000000070000-0x00000000000F9000-memory.dmp upx behavioral1/memory/4592-20-0x0000000000EC0000-0x0000000000F49000-memory.dmp upx behavioral1/memory/4024-22-0x0000000000070000-0x00000000000F9000-memory.dmp upx behavioral1/memory/4024-26-0x0000000000070000-0x00000000000F9000-memory.dmp upx behavioral1/memory/4592-37-0x0000000000EC0000-0x0000000000F49000-memory.dmp upx behavioral1/memory/4024-38-0x0000000000070000-0x00000000000F9000-memory.dmp upx behavioral1/memory/4592-41-0x0000000000EC0000-0x0000000000F49000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\44e470 8d8a7b90 File opened for modification C:\Windows\4e9de0 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.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 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8d8a7b90 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8d8a7b90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8d8a7b90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8d8a7b90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8d8a7b90 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8d8a7b90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8d8a7b90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8d8a7b90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8d8a7b90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8d8a7b90 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4024 8d8a7b90 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe Token: SeTcbPrivilege 4592 cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe Token: SeDebugPrivilege 4024 8d8a7b90 Token: SeTcbPrivilege 4024 8d8a7b90
Processes
-
C:\Users\Admin\AppData\Local\Temp\cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.exe"C:\Users\Admin\AppData\Local\Temp\cd2989e00fc79b9aa3572bda3f3e520e54b848f46f6d3267f80d5c298e1b49c8.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:4592
-
C:\Windows\Syswow64\8d8a7b90C:\Windows\Syswow64\8d8a7b901⤵
- 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:4024
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8d8a7b90
- Size 576KB
- SHA256 8da1615567fb165ae654efa549617a9f6bce0e58fd38d2679a5872f65ac461fd
- MD5 8837636563871effa51dcdc628cac0a7
- SHA1 94631ccba06912da01d73467ad32d4ca6115a9e5
- SHA512 0d94159b36fa1fb38736a6950e8e29227513c2a8f38d9948caecc07cb3b3a7bb2413e873581b941c92ef35c49a6253e97f0e5ab24d51a44811467eb990d3dec7
- SSDEEP 12288:fqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:fjHPOSOkx2LFscUQPK
- TLSH T1FEC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH