Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/04/2026, 22:45
Behavioral task
behavioral1
Sample
b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe
- Size 560KB
- Sample260418-2pr77ahs6r
- SHA256 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12
- MD5 cb8b67e503e8c46ed062bdd24d800694
- SHA1 56dce3d181b59ce3f6a68df26130e5437c8dacb8
- SHA512 ced60627174e9d3c31c7eaea80fc5e6d09a7bc8ede02122643a27bf88d77b7e867d2b34347b56d98663334372f3ee2a820c4ecf6c68952c6489bda04b23fcfd7
- SSDEEP 6144:L4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:LrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1A0C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4276 2b9e8b28 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Destination IP 4 223.5.5.5 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Destination IP 28 114.114.114.114 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Destination IP 29 223.5.5.5 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Destination IP 104 114.114.114.114 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Destination IP 105 223.5.5.5 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2b9e8b28 File created C:\Windows\SysWOW64\2b9e8b28 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2b9e8b28 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2b9e8b28 -
resource yara_rule behavioral1/memory/4144-0-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral1/files/0x0007000000023113-2.dat upx behavioral1/memory/4276-3-0x0000000000750000-0x00000000007DC000-memory.dmp upx behavioral1/memory/4144-15-0x0000000000C50000-0x0000000000CDC000-memory.dmp upx behavioral1/memory/4276-18-0x0000000000750000-0x00000000007DC000-memory.dmp upx behavioral1/memory/4276-48-0x0000000000750000-0x00000000007DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4934e8 2b9e8b28 File opened for modification C:\Windows\46f260 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.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 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b9e8b28 - 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" 2b9e8b28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2b9e8b28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2b9e8b28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2b9e8b28 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2b9e8b28 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2b9e8b28 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2b9e8b28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2b9e8b28 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2b9e8b28 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4276 2b9e8b28 4276 2b9e8b28 4276 2b9e8b28 4276 2b9e8b28 4276 2b9e8b28 4276 2b9e8b28 4276 2b9e8b28 4276 2b9e8b28 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Token: SeTcbPrivilege 4144 b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe Token: SeDebugPrivilege 4276 2b9e8b28 Token: SeTcbPrivilege 4276 2b9e8b28
Processes
-
C:\Users\Admin\AppData\Local\Temp\b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.exe"C:\Users\Admin\AppData\Local\Temp\b441a77c94be8c0050f86215f35512ae0e0daa6b189b833e1eca3fd7c4969d12.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:4144
-
C:\Windows\Syswow64\2b9e8b28C:\Windows\Syswow64\2b9e8b281⤵
- 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:4276
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2b9e8b28
- Size 560KB
- SHA256 84f6197b68bdd037c265e07f0fc11d37ca10fe5ad75e0f9280fca7267f1aec31
- MD5 e9c6fe3faeaaeb788c0df24a3c70093a
- SHA1 af47fe2161a50542266af6a2c807db73583fcfde
- SHA512 730850081187e1eba43078aae72f4fe5442f58426c47d3720b1d2219c69ec1e8a89051fe4764e8bdb663bd23f536ea3c8a3d205834c0f74e39356552588ce686
- SSDEEP 6144:a4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:arNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T113C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH