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
16/07/2026, 20:04
Behavioral task
behavioral1
Sample
fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe
- Size 3.1MB
- Sample260716-ythmrscy4m
- SHA256 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165
- MD5 12b0203eb082e65b1cbeffa095f50c40
- SHA1 2a921c7dd7a4393994ec426e1881ee04b21bd4c6
- SHA512 78dd3c500a67f210eaa21c83f4318cbfd4aed46799e9a67cb8bc253c3c427b80ee1f1bcce91bc5ea09957375ad329847fd2bc4292b80e7ba3324e031c1aa9154
- SSDEEP 49152:LTGkQ35QZuTtS0rQMYOQ+q8CEOTG4QwTGHQS90:LKkwWsM0r1QnRK4xKH9e
- TLSH T10CE5AE12F350C035C4AB463589BB47AE5639BD214B2157CBA7C47BAE1FB32C16E35B0A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2556 cfb06e89 - 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 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe Destination IP 2 223.5.5.5 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe Destination IP 11 114.114.114.114 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe Destination IP 12 223.5.5.5 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cfb06e89 File created C:\Windows\SysWOW64\cfb06e89 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cfb06e89 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cfb06e89 -
resource yara_rule behavioral2/memory/5652-0-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/files/0x000700000001b85f-2.dat upx behavioral2/memory/2556-3-0x0000000000EB0000-0x0000000000F39000-memory.dmp upx behavioral2/memory/5652-10-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/2556-12-0x0000000000EB0000-0x0000000000F39000-memory.dmp upx behavioral2/memory/5652-33-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral2/memory/2556-34-0x0000000000EB0000-0x0000000000F39000-memory.dmp upx behavioral2/memory/5652-48-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2bc278 cfb06e89 File opened for modification C:\Windows\60c3a8 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.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 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cfb06e89 - 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:" cfb06e89 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cfb06e89 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cfb06e89 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cfb06e89 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cfb06e89 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cfb06e89 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cfb06e89 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cfb06e89 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cfb06e89 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2556 cfb06e89 2556 cfb06e89 2556 cfb06e89 2556 cfb06e89 2556 cfb06e89 2556 cfb06e89 2556 cfb06e89 2556 cfb06e89 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe Token: SeTcbPrivilege 5652 fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe Token: SeDebugPrivilege 2556 cfb06e89 Token: SeTcbPrivilege 2556 cfb06e89
Processes
-
C:\Users\Admin\AppData\Local\Temp\fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.exe"C:\Users\Admin\AppData\Local\Temp\fec235b03445c7bd9de98f929594687ce1de8357be61f6e8edf9042e97926165.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:5652
-
C:\Windows\Syswow64\cfb06e89C:\Windows\Syswow64\cfb06e891⤵
- 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:2556
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cfb06e89
- Size 3.1MB
- SHA256 f9a8a2f93f48e3753ca915f9a9a76c45ec597b4be2b5280add48f0ba1b5f2d99
- MD5 d0cc9cc824cee4ca6c2c2f7e5eeb7bb2
- SHA1 f69a8cf793e53d709f8bcbed12fea2d2a8c0e4ee
- SHA512 eb8046bc8cdc67da0d5cf50ce7ed288a80f498cdc2f335503fdab6382113e44aaaeae40389c3955303de5125b186bc41563488684aba2c447f43835dc9f7877d
- SSDEEP 49152:FTGkQ35QZuTtS0rQMYOQ+q8CEOTG4QwTGHQS90:FKkwWsM0r1QnRK4xKH9e
- TLSH T1D5E5AE12F350C035C4AB463589BB47AE5639BD214B2157CBA7C47BAE1FB32C16E35B0A
- MD5 SHA1 SHA512 SSDEEP TLSH