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
03/09/2026, 22:57
Behavioral task
behavioral1
Sample
1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe
- Size 560KB
- Sample260903-2xextstwhs
- SHA256 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4
- MD5 4d363fd3a38991c7b91e45af1b817a1b
- SHA1 467f033e32fa186886a673649159b27796351022
- SHA512 ce00082b73c78b3b59fef67b1a4ecdd67f30bd37a0ecbca2f135122aa0ed19fd59e47e14cf81bfaf68d7492ea213db17d0b41ad48779ca5cc0334c5f40dd718b
- SSDEEP 6144:2WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:2kCO2zVPX7vf1LKlIsOkxHy
- TLSH T12FC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4600 6cfeaa3c - 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 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe Destination IP 2 223.5.5.5 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe Destination IP 24 114.114.114.114 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe Destination IP 25 223.5.5.5 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6cfeaa3c File created C:\Windows\SysWOW64\6cfeaa3c 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 6cfeaa3c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 6cfeaa3c -
resource yara_rule behavioral2/memory/5832-0-0x0000000000A00000-0x0000000000A8C000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/4600-4-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral2/memory/5832-16-0x0000000000A00000-0x0000000000A8C000-memory.dmp upx behavioral2/memory/4600-17-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral2/memory/4600-34-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ec0f0 6cfeaa3c File opened for modification C:\Windows\63d890 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.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 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6cfeaa3c - 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" 6cfeaa3c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 6cfeaa3c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 6cfeaa3c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 6cfeaa3c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 6cfeaa3c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 6cfeaa3c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 6cfeaa3c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 6cfeaa3c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 6cfeaa3c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4600 6cfeaa3c 4600 6cfeaa3c 4600 6cfeaa3c 4600 6cfeaa3c 4600 6cfeaa3c 4600 6cfeaa3c 4600 6cfeaa3c 4600 6cfeaa3c 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe Token: SeTcbPrivilege 5832 1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe Token: SeDebugPrivilege 4600 6cfeaa3c Token: SeTcbPrivilege 4600 6cfeaa3c
Processes
-
C:\Users\Admin\AppData\Local\Temp\1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.exe"C:\Users\Admin\AppData\Local\Temp\1e5d843340200a5bd10a050973570ef0279109a7e06de5efab0c8e0d036eb0a4.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:5832
-
C:\Windows\Syswow64\6cfeaa3cC:\Windows\Syswow64\6cfeaa3c1⤵
- 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:4600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\6cfeaa3c
- Size 560KB
- SHA256 031a23531c05f7e5376e16ae21e7cb22d84bca89e85a22d9f1cd3a65130a7441
- MD5 d4ad8524d7f7cc8da7500514ac7a583b
- SHA1 5ab29cd8cd9edb9f1fbfa1e55db98aa4b1d83aed
- SHA512 f0d393636aa681e7bdae8903a3b7e1239d595bbb73c338298d97abde4b497fda3d0236c0548c794f8215ea805fffe31c171c917810be4e116c43e91731c15cbf
- SSDEEP 6144:UWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:UkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1F7C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH