Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
20/04/2026, 23:19
Behavioral task
behavioral1
Sample
cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe
- Size 560KB
- Sample260420-3ayxvsft4q
- SHA256 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e
- MD5 c1d4d23798cc322dd783c81587f0e736
- SHA1 d4a055042d549830feb9831a2ae0b55eb5b86a40
- SHA512 60fe9c1fa8b1ef0ee1ccdcd7f26e71e0aeb468845b0767e86e1f9731d0c9d28a08d347650a4552a271468273f200482c857e1353250c646d8572fb369e53d8ea
- SSDEEP 6144:IWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:IkCO2zVPX7vf1LKlIsOkxHy
- TLSH T133C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 896 ac932d3b - 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 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe Destination IP 2 223.5.5.5 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe Destination IP 11 114.114.114.114 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe Destination IP 12 223.5.5.5 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ac932d3b File created C:\Windows\SysWOW64\ac932d3b cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ac932d3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ac932d3b -
resource yara_rule behavioral2/memory/4984-0-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/files/0x001500000002a10a-2.dat upx behavioral2/memory/896-4-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/memory/4984-15-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral2/memory/896-17-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral2/memory/896-44-0x00000000005F0000-0x000000000067C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\f5700 ac932d3b File opened for modification C:\Windows\5553f0 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.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 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac932d3b - 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" ac932d3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ac932d3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ac932d3b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ac932d3b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ac932d3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ac932d3b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ac932d3b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ac932d3b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ac932d3b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 896 ac932d3b 896 ac932d3b 896 ac932d3b 896 ac932d3b 896 ac932d3b 896 ac932d3b 896 ac932d3b 896 ac932d3b 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe Token: SeTcbPrivilege 4984 cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe Token: SeDebugPrivilege 896 ac932d3b Token: SeTcbPrivilege 896 ac932d3b
Processes
-
C:\Users\Admin\AppData\Local\Temp\cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.exe"C:\Users\Admin\AppData\Local\Temp\cbb083d5d67261e4d7820223c2186f510415bb805495496ab56e2ab63763245e.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:4984
-
C:\Windows\Syswow64\ac932d3bC:\Windows\Syswow64\ac932d3b1⤵
- 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:896
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ac932d3b
- Size 560KB
- SHA256 6f45267b62000a76f7b9db55e334d0725ed33372ddd83ce0df312f96412d3664
- MD5 df703c9642606caa6037667326784b7b
- SHA1 2517146c219a9d1351be26235da8547da0b6267c
- SHA512 207cfd7e4876582c39d6cad7ebe70b5cbf696c3c12973aaabb3de6480aa2d6f1e21ef2ad0e1c9934ba08bbc4cf46186eb12479c5a0667727fb73ae8fd18633d8
- SSDEEP 6144:zWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:zkCO2zVPX7vf1LKlIsOkxHy
- TLSH T11DC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH