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
01/08/2026, 07:35
Behavioral task
behavioral1
Sample
0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe
- Size 560KB
- Sample260801-jetdds1blg
- SHA256 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207
- MD5 3d652e2c76b86f7a274b345775ecd729
- SHA1 2db71e8357e05c7a64be34497ae5e524674310bb
- SHA512 c23ceee4292859bfa032559b4ae64ce896d4f920e68f310fff904dfa288fdbc9577b99aeafb11afee6c4452ed607569862f782f360c9b33398d75efb1d30152a
- SSDEEP 6144:lgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:lI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1D1C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4164 71b071ef - 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 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe Destination IP 5 223.5.5.5 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe Destination IP 20 114.114.114.114 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe Destination IP 21 223.5.5.5 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 71b071ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 71b071ef File created C:\Windows\SysWOW64\71b071ef 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 71b071ef -
resource yara_rule behavioral2/memory/1492-0-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral2/files/0x000a00000001b315-2.dat upx behavioral2/memory/4164-3-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/1492-18-0x0000000000FD0000-0x000000000105C000-memory.dmp upx behavioral2/memory/4164-19-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/4164-34-0x0000000000440000-0x00000000004CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\474a08 71b071ef File opened for modification C:\Windows\198b28 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.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 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71b071ef - 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\Content\CachePrefix 71b071ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 71b071ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 71b071ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 71b071ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 71b071ef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 71b071ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 71b071ef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 71b071ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 71b071ef - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4164 71b071ef 4164 71b071ef 4164 71b071ef 4164 71b071ef 4164 71b071ef 4164 71b071ef 4164 71b071ef 4164 71b071ef 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe Token: SeTcbPrivilege 1492 0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe Token: SeDebugPrivilege 4164 71b071ef Token: SeTcbPrivilege 4164 71b071ef
Processes
-
C:\Users\Admin\AppData\Local\Temp\0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.exe"C:\Users\Admin\AppData\Local\Temp\0fa8b2a90a90be0bd2cdb13cfa7030b087df78231fda19adc1dbee4876341207.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:1492
-
C:\Windows\Syswow64\71b071efC:\Windows\Syswow64\71b071ef1⤵
- 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:4164
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\71b071ef
- Size 560KB
- SHA256 e7da9d09c502d9f65d92253e296797c1cca0fc614685af398c4f11d2d43bf6f4
- MD5 acb90a123f5dbf43006b5c8084ee9ec1
- SHA1 e777470018537ccb78682c4b477a81e556c49e95
- SHA512 02807a95a891828261ab31fb556a62eb6898b7a3ba000b93b128af7300b5d0b31f98e386fc4a23b069b5ac0a3fde9c21935707fe8e949a488ee85abd6eeed8c3
- SSDEEP 6144:Dgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:DI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T163C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH