Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 21:52
Behavioral task
behavioral1
Sample
21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe
- Size 560KB
- Sample260815-1q75csvxez
- SHA256 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4
- MD5 df15b3d82cce575d460f722b102028bd
- SHA1 e51cac116f1677b7c9c31a0783431e90fa7945ec
- SHA512 7f14d4aa7c21acd35fb400281711d24c188315e660400aac42bc5f4748ac635db7d1acbaa059ab1d026970c7828d270a933e05b2749c08d7d4d81f7abb784863
- SSDEEP 6144:W4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:WrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1F7C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1160 6aebf908 - 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 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe Destination IP 4 223.5.5.5 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe Destination IP 17 114.114.114.114 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe Destination IP 18 223.5.5.5 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.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 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 6aebf908 File created C:\Windows\SysWOW64\6aebf908 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6aebf908 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 6aebf908 -
resource yara_rule behavioral2/memory/4200-0-0x0000000000390000-0x000000000041C000-memory.dmp upx behavioral2/files/0x000700000001b853-2.dat upx behavioral2/memory/1160-3-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4200-13-0x0000000000390000-0x000000000041C000-memory.dmp upx behavioral2/memory/1160-14-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/1160-29-0x00000000001E0000-0x000000000026C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\13dc10 6aebf908 File opened for modification C:\Windows\47e7d0 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.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 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6aebf908 - 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 6aebf908 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6aebf908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6aebf908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 6aebf908 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6aebf908 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6aebf908 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6aebf908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6aebf908 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6aebf908 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1160 6aebf908 1160 6aebf908 1160 6aebf908 1160 6aebf908 1160 6aebf908 1160 6aebf908 1160 6aebf908 1160 6aebf908 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe Token: SeTcbPrivilege 4200 21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe Token: SeDebugPrivilege 1160 6aebf908 Token: SeTcbPrivilege 1160 6aebf908
Processes
-
C:\Users\Admin\AppData\Local\Temp\21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.exe"C:\Users\Admin\AppData\Local\Temp\21126c8fa87548fc2700807f5c0067d109e5be3dc9569674f37d203cd551dec4.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:4200
-
C:\Windows\Syswow64\6aebf908C:\Windows\Syswow64\6aebf9081⤵
- 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:1160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6aebf908
- Size 560KB
- SHA256 9ff79cc8aba1fdfae8e4001dc0a777c664522bf73c441f0812f721eb2e84c856
- MD5 a59d7cbd02255fe0447eb12b14009065
- SHA1 7278a1bfef3f8ab7f85c135de6f790eac695754e
- SHA512 e599d74a03cd2f718019143bb2a3db5a27c68b2f6c8440343ddec8eca3f18d585c97c01bf40b997020e9e43f3544f4d3132eeb47af9b9d436938c4af4ca8bb50
- SSDEEP 6144:24ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:2rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T141C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH