Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/04/2026, 09:52
Behavioral task
behavioral1
Sample
905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe
- Size 560KB
- Sample260418-lv7basct8x
- SHA256 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8
- MD5 dc5c02987ced09b7b20bd44b30f0cfd8
- SHA1 2f1be4797fe3717968b96cd327f04b8990adb31c
- SHA512 2b23ea0b6c12296f4185792acc3e891e7fe898cfc73b23b27c98f1d611e53b80be8778a781d3e100eb7f02577dff3defe0312a035974b6e87243a619d7705e35
- SSDEEP 6144:5WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:5kCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T134C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4120 c5607bde - 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 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe Destination IP 2 223.5.5.5 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe Destination IP 7 114.114.114.114 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe Destination IP 8 223.5.5.5 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c5607bde File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c5607bde File created C:\Windows\SysWOW64\c5607bde 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe -
resource yara_rule behavioral2/memory/4012-0-0x0000000000070000-0x00000000000FC000-memory.dmp upx behavioral2/files/0x001d00000002b1fd-2.dat upx behavioral2/memory/4120-4-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx behavioral2/memory/4012-10-0x0000000000070000-0x00000000000FC000-memory.dmp upx behavioral2/memory/4120-11-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx behavioral2/memory/4120-24-0x0000000000E20000-0x0000000000EAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\44afd8 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe File opened for modification C:\Windows\468930 c5607bde - 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 c5607bde Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c5607bde Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c5607bde Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c5607bde Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c5607bde Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c5607bde Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c5607bde Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c5607bde Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c5607bde Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c5607bde - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4120 c5607bde 4120 c5607bde 4120 c5607bde 4120 c5607bde 4120 c5607bde 4120 c5607bde 4120 c5607bde 4120 c5607bde 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe Token: SeTcbPrivilege 4012 905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe Token: SeDebugPrivilege 4120 c5607bde Token: SeTcbPrivilege 4120 c5607bde
Processes
-
C:\Users\Admin\AppData\Local\Temp\905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.exe"C:\Users\Admin\AppData\Local\Temp\905acd5deece4e17079e0ae5e4746548b05c74db8caff2a75584d5e04175f8a8.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:4012
-
C:\Windows\Syswow64\c5607bdeC:\Windows\Syswow64\c5607bde1⤵
- 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:4120
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c5607bde
- Size 560KB
- SHA256 deecff91a8ebe89b985303fd3ed5ea49de67826fb307fd9bc8f5b6a6d82d866c
- MD5 4f23ecb8b43c61280df00775cb440cb7
- SHA1 2120409b536b32e14cc7ba75a25578ad9f694283
- SHA512 e4d8e2efbfa9bcfad7dc66c655ef53449f1f342dccf167637cfb041dadb0c96c746acce4edb985d3efba4b6bc4ffd3e1e341cdacd0227a87b3f4e1651adf6b36
- SSDEEP 6144:hWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:hkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1BEC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH