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
28/04/2026, 20:20
Behavioral task
behavioral1
Sample
76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe
- Size 548KB
- Sample260428-y4jb2set6x
- SHA256 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e
- MD5 fbb7bf4b181afe8a273ba436499ccbfc
- SHA1 93d89b943ef90aa5ace47dcf85744c0c583d8fdc
- SHA512 4b51785741ae46079b4098f7ffa6306c0be245610113ce8bdbad0056b2b9121a4b989f1b74e741c14fc253ab0e9ed5325042aa153fd04d13766902561c227911
- SSDEEP 12288:pkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:mbOgbEqy9RKejHPOwOkx2LF
- TLSH T136C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2480 34088bc2 - 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 1 114.114.114.114 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Destination IP 2 223.5.5.5 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Destination IP 20 114.114.114.114 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Destination IP 21 223.5.5.5 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Destination IP 64 114.114.114.114 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Destination IP 65 223.5.5.5 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 34088bc2 File created C:\Windows\SysWOW64\34088bc2 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 34088bc2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 34088bc2 -
resource yara_rule behavioral2/memory/3408-0-0x0000000000C10000-0x0000000000C99000-memory.dmp upx behavioral2/files/0x002e00000002b257-2.dat upx behavioral2/memory/2480-4-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/3408-18-0x0000000000C10000-0x0000000000C99000-memory.dmp upx behavioral2/memory/2480-20-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/2480-24-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/3408-35-0x0000000000C10000-0x0000000000C99000-memory.dmp upx behavioral2/memory/2480-36-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/2480-40-0x0000000000420000-0x00000000004A9000-memory.dmp upx behavioral2/memory/3408-43-0x0000000000C10000-0x0000000000C99000-memory.dmp upx behavioral2/memory/3408-46-0x0000000000C10000-0x0000000000C99000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a7560 34088bc2 File opened for modification C:\Windows\3a58a0 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.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 34088bc2 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 34088bc2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 34088bc2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 34088bc2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 34088bc2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 34088bc2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 34088bc2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 34088bc2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 34088bc2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 34088bc2 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2480 34088bc2 2480 34088bc2 2480 34088bc2 2480 34088bc2 2480 34088bc2 2480 34088bc2 2480 34088bc2 2480 34088bc2 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Token: SeTcbPrivilege 3408 76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe Token: SeDebugPrivilege 2480 34088bc2 Token: SeTcbPrivilege 2480 34088bc2
Processes
-
C:\Users\Admin\AppData\Local\Temp\76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.exe"C:\Users\Admin\AppData\Local\Temp\76b6593aa96a0b3bac4a4912b707b44c783a3d61d28a8f5d4b24d8980e49806e.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:3408
-
C:\Windows\Syswow64\34088bc2C:\Windows\Syswow64\34088bc21⤵
- 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:2480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\34088bc2
- Size 548KB
- SHA256 91e08738faf4ce3599635eae052fcd10c27f5e746b246d81e6ff05544f532084
- MD5 f8d9611516a1989ede9101a15ded32ed
- SHA1 0e7c0b639d67a6a538df0b01f3347c31fd0a537e
- SHA512 dddf3c472e3696bd115024447f8f11ecac4bd3f2f8c000c88a3407b7d4662bbaa735c06f03020f82894085d614ecc5ab0fb937e0a5c7ba780de4b41ac355bd71
- SSDEEP 12288:jkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:obOgbEqy9RKejHPOwOkx2LF
- TLSH T1F2C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH