Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/04/2026, 22:47
Behavioral task
behavioral1
Sample
d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe
- Size 761KB
- Sample260422-2qxt3adv3x
- SHA256 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0
- MD5 86b645396a3f2d8d2144c1c1c016478c
- SHA1 78d2c342b748e1d571f4e5ebe84e03d5a48e57dd
- SHA512 9e6393bf495bf953c1c2958cb71a5f4107b680b25eb1e9e727eb5372dd340861a268e189231d78ca72244f53c536565d593dc31c6493737836bb01bdf0a1d5fc
- SSDEEP 12288:gSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:7vO2xJKRw2kOkxSkW298B
- TLSH T15DF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4992 4be3866c - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 11 223.5.5.5 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Destination IP 46 114.114.114.114 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Destination IP 47 223.5.5.5 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Destination IP 1 114.114.114.114 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Destination IP 2 223.5.5.5 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Destination IP 10 114.114.114.114 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.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 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4be3866c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4be3866c File created C:\Windows\SysWOW64\4be3866c d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4be3866c -
resource yara_rule behavioral2/memory/4912-0-0x00000000005C0000-0x000000000064C000-memory.dmp upx behavioral2/files/0x001e00000002b0b3-2.dat upx behavioral2/memory/4992-4-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/4912-18-0x00000000005C0000-0x000000000064C000-memory.dmp upx behavioral2/memory/4992-21-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/4992-43-0x0000000000560000-0x00000000005EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\557700 4be3866c File opened for modification C:\Windows\541860 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.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 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4be3866c - 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 4be3866c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4be3866c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4be3866c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4be3866c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4be3866c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4be3866c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4be3866c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4be3866c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4be3866c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4992 4be3866c 4992 4be3866c 4992 4be3866c 4992 4be3866c 4992 4be3866c 4992 4be3866c 4992 4be3866c 4992 4be3866c 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Token: SeTcbPrivilege 4912 d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe Token: SeDebugPrivilege 4992 4be3866c Token: SeTcbPrivilege 4992 4be3866c
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.exe"C:\Users\Admin\AppData\Local\Temp\d4933506ca6c88a3af9f383c00502f7e2383f03f1045c6ce84ab84e599a488a0.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:4912
-
C:\Windows\Syswow64\4be3866cC:\Windows\Syswow64\4be3866c1⤵
- 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:4992
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4be3866c
- Size 761KB
- SHA256 2e7cb0591e8e2a8caadf983315e0f2fbf0ab7d7e6c60f6c690ba3291eef34821
- MD5 99656cf4f8b552133313e4346862a750
- SHA1 e0fef85fc9c04efbf6e933e661764d4a4c47be96
- SHA512 df7e63ab752a2e792b4fa0baea8ddaf103d43e5d6960a9da27a67acb20d66e3ff043d8785eba7a5949964995a8a6d5c4b59463039a5c72421fe2971abdd7e498
- SSDEEP 12288:2SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:1vO2xJKRw2kOkxSkW298B
- TLSH T14EF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH