Analysis
- max time kernel
150s - 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
13/08/2026, 05:14
Behavioral task
behavioral1
Sample
87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe
- Size 761KB
- Sample260813-fxefea1te1
- SHA256 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58
- MD5 a51c1c7e6cd63305f62ad726ee9dbc16
- SHA1 ed76e44e70a8fec925ee536961cd6777e0ece9d6
- SHA512 f2b9fe90d8e101608ebb2ff7c0c5852fe34e81985811de4daf747b23d1b79fbd71744a6237f597026451e8e36a30b6a200af2e88b719266e74126a5cbe4ac5ce
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:2vO2xJKRw2kOkxSkW298B
- TLSH T116F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4076 5d51dfa7 - 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 20 223.5.5.5 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe Destination IP 1 114.114.114.114 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe Destination IP 2 223.5.5.5 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe Destination IP 19 114.114.114.114 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.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 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5d51dfa7 File created C:\Windows\SysWOW64\5d51dfa7 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5d51dfa7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5d51dfa7 -
resource yara_rule behavioral2/memory/1152-0-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral2/files/0x00160000000118ee-2.dat upx behavioral2/memory/4076-3-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral2/memory/1152-16-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral2/memory/4076-17-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral2/memory/4076-29-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\45c858 5d51dfa7 File opened for modification C:\Windows\13b900 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.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 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5d51dfa7 - 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:" 5d51dfa7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5d51dfa7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5d51dfa7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5d51dfa7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5d51dfa7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5d51dfa7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5d51dfa7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5d51dfa7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5d51dfa7 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4076 5d51dfa7 4076 5d51dfa7 4076 5d51dfa7 4076 5d51dfa7 4076 5d51dfa7 4076 5d51dfa7 4076 5d51dfa7 4076 5d51dfa7 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe Token: SeTcbPrivilege 1152 87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe Token: SeDebugPrivilege 4076 5d51dfa7 Token: SeTcbPrivilege 4076 5d51dfa7
Processes
-
C:\Users\Admin\AppData\Local\Temp\87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.exe"C:\Users\Admin\AppData\Local\Temp\87a9489e4a997c26ecde10727f633b93a9c17495a9112df6180d03be9f274c58.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:1152
-
C:\Windows\Syswow64\5d51dfa7C:\Windows\Syswow64\5d51dfa71⤵
- 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:4076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5d51dfa7
- Size 761KB
- SHA256 2e6842b36a8e68b546871abce2798c8ed789b78c3f26221da95a5e5cca8198ee
- MD5 be3a907d41297fe8e1ef5987c22c169a
- SHA1 4cb3397b7c94156a7ff663a3df6f9fdfd9d6de4e
- SHA512 df631236b382e9f670f516cd1c3d503e0cd746f00d6a79a39e58a0b25d367683be8daf01dfeea832ff94830089f957c9911c05f1ac61efded0d22a2f8a8358e9
- SSDEEP 12288:+SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:9vO2xJKRw2kOkxSkW298B
- TLSH T1A2F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH