Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 09:56
Behavioral task
behavioral1
Sample
3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe
- Size 1.4MB
- Sample260423-lyeepahs9s
- SHA256 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6
- MD5 4ec0d039cb3708d2beafc92929fe28d0
- SHA1 9a4299a3fb14cd8b6c0196b7cfc5b47bd7f1e12b
- SHA512 76d46a5d0adf43124400dcf8a0774ee389348235e80ef57d15264e1e7e3bfdd0f0f8b5fd5d0f9f0b30ee6c025e698bf6e1be73b311c792ebda16b6f8415dd5d9
- SSDEEP 24576:RjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:RTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1BC658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 900 cea904ab - 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 7 223.5.5.5 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe Destination IP 1 114.114.114.114 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe Destination IP 2 223.5.5.5 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe Destination IP 6 114.114.114.114 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cea904ab File created C:\Windows\SysWOW64\cea904ab 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cea904ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cea904ab -
resource yara_rule behavioral2/memory/2288-0-0x0000000000560000-0x00000000005E9000-memory.dmp upx behavioral2/files/0x002e00000002b257-2.dat upx behavioral2/memory/900-4-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/2288-10-0x0000000000560000-0x00000000005E9000-memory.dmp upx behavioral2/memory/900-12-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/2288-21-0x0000000000560000-0x00000000005E9000-memory.dmp upx behavioral2/memory/900-22-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/900-32-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/2288-47-0x0000000000560000-0x00000000005E9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\f6888 cea904ab File opened for modification C:\Windows\272be0 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.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 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cea904ab - 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" cea904ab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cea904ab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cea904ab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cea904ab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cea904ab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cea904ab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cea904ab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cea904ab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cea904ab - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 900 cea904ab 900 cea904ab 900 cea904ab 900 cea904ab 900 cea904ab 900 cea904ab 900 cea904ab 900 cea904ab 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe Token: SeTcbPrivilege 2288 3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe Token: SeDebugPrivilege 900 cea904ab Token: SeTcbPrivilege 900 cea904ab
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.exe"C:\Users\Admin\AppData\Local\Temp\3b65a98313d4f945156cc7d5ef86654ad21ef34f67a1b49a8a9c1c4f1d4ba4a6.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:2288
-
C:\Windows\Syswow64\cea904abC:\Windows\Syswow64\cea904ab1⤵
- 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:900
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cea904ab
- Size 1.4MB
- SHA256 e9ad2682d783c6f3826780253bb124d9ac8bb7b843c1d139a54ecacef768cef4
- MD5 2a260b2ae8835f93a1bf1010d354f236
- SHA1 c6cd33d414efda80109a7f73504fd05b3bd14769
- SHA512 fe3108ac32ce0e68d9a24991d67d4c9d9b445829fb4c9bdaacf7d2dd1df182fe77d2383b6858d4ba415080c6f737c478716e6398cecd11a13ca1adede0ae542f
- SSDEEP 24576:1jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:1TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T167658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH