Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 08:51
Behavioral task
behavioral1
Sample
d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe
- Size 761KB
- Sample260802-kr9ftayhnc
- SHA256 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa
- MD5 2ff2a75bf4016b6f79d783f9bcf227b9
- SHA1 50fec57b63e37d630f404d4a2cb5a0d92d525c24
- SHA512 5d1e98b39dd4a8746c4b82c732a65c4bfad7b59adc8979620a9a43ae34c596f8e2dd828af03a380bae8fd3806c593319ccda986da6674f498faf7bd6d32ce681
- SSDEEP 12288:xSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:YvO2xJKRw2kOkxSkW298B
- TLSH T13EF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4296 4f5c1424 - 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 15 223.5.5.5 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe Destination IP 1 114.114.114.114 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe Destination IP 4 223.5.5.5 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe Destination IP 14 114.114.114.114 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f5c1424 File created C:\Windows\SysWOW64\4f5c1424 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4f5c1424 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f5c1424 -
resource yara_rule behavioral2/memory/3268-0-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx behavioral2/files/0x000b000000011390-2.dat upx behavioral2/memory/4296-3-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/3268-15-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx behavioral2/memory/4296-16-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/4296-34-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\498c90 4f5c1424 File opened for modification C:\Windows\37f308 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.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 4f5c1424 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4f5c1424 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4f5c1424 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4f5c1424 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4f5c1424 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4f5c1424 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4f5c1424 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4f5c1424 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4f5c1424 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4f5c1424 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4296 4f5c1424 4296 4f5c1424 4296 4f5c1424 4296 4f5c1424 4296 4f5c1424 4296 4f5c1424 4296 4f5c1424 4296 4f5c1424 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe Token: SeTcbPrivilege 3268 d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe Token: SeDebugPrivilege 4296 4f5c1424 Token: SeTcbPrivilege 4296 4f5c1424
Processes
-
C:\Users\Admin\AppData\Local\Temp\d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.exe"C:\Users\Admin\AppData\Local\Temp\d2139ff11672f2e6f11ca9ed709439b1ad5b5f343eed0f570384ade20c2c0ffa.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:3268
-
C:\Windows\Syswow64\4f5c1424C:\Windows\Syswow64\4f5c14241⤵
- 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:4296
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\4f5c1424
- Size 761KB
- SHA256 1a881edf6e4318b3708d110cea631d92705897659e1ea93278831d178274910e
- MD5 023cea392e474bd88e474ff22e608cf8
- SHA1 ce02c06cff8030c6809ea76bc3e58d9e82314197
- SHA512 3d42de574ef5802c8cb25b7a8776a60bb5754c5c6216396ad533c2e68e279f6ca91da9b3415533434e4b862dba05340b4368c3b0a8268c7e9c280be59ea3f8c8
- SSDEEP 12288:ISvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:DvO2xJKRw2kOkxSkW298B
- TLSH T132F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH