Analysis
- max time kernel
149s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 10:37
Behavioral task
behavioral1
Sample
64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe
- Size 1022KB
- Sample260417-mnwfwset3w
- SHA256 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431
- MD5 738203d130b1a1a08df757772242177a
- SHA1 3cf700fbbf20a51d8da86f1d9d237a0ee3d9e292
- SHA512 173123f3a0f0a5f9c4c3727b25e91d603fc3508e391bbf24ce2faab1facea0011245bac0660dc3f520402ab270ecb17df9d9e155adfaf2f5004063dae0ee7a3c
- SSDEEP 12288:BSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/LikGU5rCOTeidT:IvO2xJKRh2kOkx2LFxNcU6UQOJdT
- TLSH T11C256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5984 564a8a7a - Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 52 223.5.5.5 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 112 223.5.5.5 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 178 223.5.5.5 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 35 114.114.114.114 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 36 223.5.5.5 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 51 114.114.114.114 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 110 114.114.114.114 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 175 114.114.114.114 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 1 114.114.114.114 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Destination IP 2 223.5.5.5 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.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 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 564a8a7a File created C:\Windows\SysWOW64\564a8a7a 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 564a8a7a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 564a8a7a -
resource yara_rule behavioral2/memory/4940-0-0x0000000000B90000-0x0000000000C1C000-memory.dmp upx behavioral2/files/0x000d00000002ad6a-2.dat upx behavioral2/memory/5984-4-0x0000000000DD0000-0x0000000000E5C000-memory.dmp upx behavioral2/memory/4940-18-0x0000000000B90000-0x0000000000C1C000-memory.dmp upx behavioral2/memory/5984-21-0x0000000000DD0000-0x0000000000E5C000-memory.dmp upx behavioral2/memory/5984-47-0x0000000000DD0000-0x0000000000E5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6672c0 564a8a7a File opened for modification C:\Windows\549318 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.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 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 564a8a7a - 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 564a8a7a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 564a8a7a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 564a8a7a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 564a8a7a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 564a8a7a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 564a8a7a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 564a8a7a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 564a8a7a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 564a8a7a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5984 564a8a7a 5984 564a8a7a 5984 564a8a7a 5984 564a8a7a 5984 564a8a7a 5984 564a8a7a 5984 564a8a7a 5984 564a8a7a 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Token: SeTcbPrivilege 4940 64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe Token: SeDebugPrivilege 5984 564a8a7a Token: SeTcbPrivilege 5984 564a8a7a
Processes
-
C:\Users\Admin\AppData\Local\Temp\64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.exe"C:\Users\Admin\AppData\Local\Temp\64b058f271953f4f91934b02f3240c435a1ed029867092c08efab762a1626431.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:4940
-
C:\Windows\Syswow64\564a8a7aC:\Windows\Syswow64\564a8a7a1⤵
- 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:5984
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\564a8a7a
- Size 1022KB
- SHA256 edf0ed25b9abf57a39018e0cc4136e3ad5568e982cb7645f62fb5a97d18bbf49
- MD5 a61f82f48cb9875f4e1a22ee2b8107db
- SHA1 6c9023e42af1437dd55fb97db63eb414039f43fc
- SHA512 5bbe24fac10d0447f444361391a666e24add1e0be043b516e53f2cb0badcf5ae1492b5fd0f4e4307bf05696941bf6f0eb9deca22caba6b3049f7ab44792504a7
- SSDEEP 12288:sSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/LikGU5rCOTeidT:fvO2xJKRh2kOkx2LFxNcU6UQOJdT
- TLSH T18C256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH