Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 22:11
Behavioral task
behavioral1
Sample
fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe
- Size 1.1MB
- Sample260810-138awszdkf
- SHA256 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2
- MD5 8d7c8783fc0cb1c4b56984be11a2cf22
- SHA1 a5a01be2e9f16a5586bb334ba656c5267c61ed23
- SHA512 ab4aad61f3cbcc0af18a75260d88fc54467c008e72a9b7d21e3902622b3d0fd190064c9af80f7622eb75c05427e85c034422a7da9bd2fc39b0afece916e06891
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:QvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1F0357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3704 c0db0154 - 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 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe Destination IP 4 223.5.5.5 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe Destination IP 19 114.114.114.114 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe Destination IP 20 223.5.5.5 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c0db0154 File created C:\Windows\SysWOW64\c0db0154 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c0db0154 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c0db0154 -
resource yara_rule behavioral2/memory/4536-0-0x0000000000940000-0x00000000009CC000-memory.dmp upx behavioral2/files/0x002a000000011561-2.dat upx behavioral2/memory/3704-3-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral2/memory/4536-13-0x0000000000940000-0x00000000009CC000-memory.dmp upx behavioral2/memory/3704-14-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral2/memory/3704-32-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3f69f0 c0db0154 File opened for modification C:\Windows\4da870 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.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 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c0db0154 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c0db0154 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c0db0154 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c0db0154 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c0db0154 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c0db0154 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c0db0154 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c0db0154 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c0db0154 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c0db0154 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3704 c0db0154 3704 c0db0154 3704 c0db0154 3704 c0db0154 3704 c0db0154 3704 c0db0154 3704 c0db0154 3704 c0db0154 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe Token: SeTcbPrivilege 4536 fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe Token: SeDebugPrivilege 3704 c0db0154 Token: SeTcbPrivilege 3704 c0db0154
Processes
-
C:\Users\Admin\AppData\Local\Temp\fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.exe"C:\Users\Admin\AppData\Local\Temp\fd352c0c8e528bb232a88fd696e488020f02852138b7d5bfc4b02a98859a9ec2.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:4536
-
C:\Windows\Syswow64\c0db0154C:\Windows\Syswow64\c0db01541⤵
- 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:3704
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c0db0154
- Size 1.1MB
- SHA256 2a1de5e38d646fd8cc38ca51b38c4ce871730d3bf465d76a22ae96cfee1acda1
- MD5 2ec6dc47e93e486ec415a7bc87d8bf22
- SHA1 b12442224cf551e44184a6d1b9c6790cd54fb217
- SHA512 23ad044265fb197d3a41449e764e75113766cc59e3bf0d01ae58efd228fac6003018464575f5aff0ddd3c958d2810057f2cd6ddfff709f85f2b20e28c1fa8ca1
- SSDEEP 12288:CSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:JvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T15A357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH