Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 00:01
Behavioral task
behavioral1
Sample
bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe
- Size 766KB
- Sample260831-aa52ysscld
- SHA256 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5
- MD5 5280399069817544cecb332eb9ffd793
- SHA1 cf43de3547442bf64a74322d059436eb3c38b1b3
- SHA512 2aa1e0654d2279da9f0d0f6ca653d96f075568f4bea5e28e91a842987f7529b082aaaedb42030fbdf722ae853d50a56e31a6c2013d78acd1ef7bea116c4a96e4
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:kvO2xJKRw2kOkx2LFRvcUV
- TLSH T1B7F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 940 9753c199 - 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 3 223.5.5.5 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe Destination IP 16 114.114.114.114 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe Destination IP 17 223.5.5.5 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe Destination IP 1 114.114.114.114 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.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 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9753c199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9753c199 File created C:\Windows\SysWOW64\9753c199 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe -
resource yara_rule behavioral2/memory/3348-0-0x0000000000ED0000-0x0000000000F5C000-memory.dmp upx behavioral2/files/0x000d0000000187b4-2.dat upx behavioral2/memory/940-4-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/3348-16-0x0000000000ED0000-0x0000000000F5C000-memory.dmp upx behavioral2/memory/940-17-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/940-32-0x0000000000580000-0x000000000060C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1017d8 9753c199 File opened for modification C:\Windows\3951a8 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.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 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9753c199 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9753c199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9753c199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9753c199 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9753c199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9753c199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9753c199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9753c199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9753c199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9753c199 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 940 9753c199 940 9753c199 940 9753c199 940 9753c199 940 9753c199 940 9753c199 940 9753c199 940 9753c199 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe Token: SeTcbPrivilege 3348 bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe Token: SeDebugPrivilege 940 9753c199 Token: SeTcbPrivilege 940 9753c199
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.exe"C:\Users\Admin\AppData\Local\Temp\bf33b5c0c36d5fe26413ab7decf2438326b60fff653bf5a72afcc358f238a1d5.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:3348
-
C:\Windows\Syswow64\9753c199C:\Windows\Syswow64\9753c1991⤵
- 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:940
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\9753c199
- Size 766KB
- SHA256 bed7c701b80ed080110d59a4eac5f4156e3567076d828f23be7242256cf2914a
- MD5 d12cb28344158feb5b4f73f37685d7d2
- SHA1 853925fe0eea97ff5d088bd39f6fa78570f882b6
- SHA512 42f3c74754fd3eea3813307483e77a103c3ac14005b2d3bbc26e9b27fb4ffc8a5dae36e0824fd170fa7e7c44952eaf53d000fbee1a07c967211a4cd4c93e5042
- SSDEEP 12288:xSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:YvO2xJKRw2kOkx2LFRvcUV
- TLSH T137F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH