Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 10:38
Behavioral task
behavioral1
Sample
7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe
- Size 560KB
- Sample260824-mpdbpsda52
- SHA256 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af
- MD5 1fa737ee1cb577fd237087d8e4cd157e
- SHA1 8051c879e79ee74d56fbdf3d6fcb7b7b33c6508e
- SHA512 72ab780d933b67855894950a6e755bf0297e0961204f068804ebb0b7c4077ac0fb2186e503820fbea680f5111c153580851fb38830f540fb202835e9197497c4
- SSDEEP 6144:i4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:irNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T16FC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3820 b3c2c7ba - 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 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe Destination IP 2 223.5.5.5 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe Destination IP 17 114.114.114.114 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe Destination IP 20 223.5.5.5 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b3c2c7ba File created C:\Windows\SysWOW64\b3c2c7ba 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b3c2c7ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b3c2c7ba -
resource yara_rule behavioral2/memory/4380-0-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral2/files/0x001b0000000187a6-2.dat upx behavioral2/memory/3820-3-0x00000000003D0000-0x000000000045C000-memory.dmp upx behavioral2/memory/4380-15-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral2/memory/3820-16-0x00000000003D0000-0x000000000045C000-memory.dmp upx behavioral2/memory/3820-39-0x00000000003D0000-0x000000000045C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\416658 b3c2c7ba File opened for modification C:\Windows\4afcb8 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.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 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b3c2c7ba - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b3c2c7ba Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b3c2c7ba Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b3c2c7ba Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b3c2c7ba Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b3c2c7ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b3c2c7ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b3c2c7ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b3c2c7ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b3c2c7ba - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3820 b3c2c7ba 3820 b3c2c7ba 3820 b3c2c7ba 3820 b3c2c7ba 3820 b3c2c7ba 3820 b3c2c7ba 3820 b3c2c7ba 3820 b3c2c7ba 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe Token: SeTcbPrivilege 4380 7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe Token: SeDebugPrivilege 3820 b3c2c7ba Token: SeTcbPrivilege 3820 b3c2c7ba
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.exe"C:\Users\Admin\AppData\Local\Temp\7b23823eb25283ce9c1f1889e9f9fef5fcda5768b1462e1a12dae338389731af.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:4380
-
C:\Windows\Syswow64\b3c2c7baC:\Windows\Syswow64\b3c2c7ba1⤵
- 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:3820
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b3c2c7ba
- Size 560KB
- SHA256 cd33af1d116c34f83d190fc159170f6cb91185048ee8413de77efc5fdcbac697
- MD5 6dce35f5a08c7aa6bfa455b6ecdf6b8a
- SHA1 ba7f013cacceecf9fd8185d5990808b002542584
- SHA512 62d663b3366ad5073ba0d19876051cded88793f660fb87149e54ed780bc7955dedc043390c219fe130b679154ef388ad51919a8e77d617b939ebb30873114ac8
- SSDEEP 6144:24ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:2rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T113C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH