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
09/08/2026, 22:04
Behavioral task
behavioral1
Sample
081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe
- Size 640KB
- Sample260809-1ze5yaztev
- SHA256 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f
- MD5 ee775b341e775560e49d28627c71fb9a
- SHA1 fadff5767cb29c6b83bd5719b1994f4aabb40546
- SHA512 78c2b926ed1c889b955aac1c7adef83bf79162d3db8d17ec5fd175d085a8dc5a51717bd9c1ef0df3803be58b4cdb6037b3e72d6a29cf5d2a23a49468269c6dd9
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F1D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5600 bad63a6 - 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 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe Destination IP 4 223.5.5.5 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe Destination IP 16 114.114.114.114 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe Destination IP 17 223.5.5.5 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.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 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bad63a6 File created C:\Windows\SysWOW64\bad63a6 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bad63a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bad63a6 -
resource yara_rule behavioral2/memory/1004-0-0x0000000000CC0000-0x0000000000D4C000-memory.dmp upx behavioral2/files/0x00080000000068df-2.dat upx behavioral2/memory/5600-3-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/memory/1004-12-0x0000000000CC0000-0x0000000000D4C000-memory.dmp upx behavioral2/memory/5600-13-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/memory/5600-29-0x0000000000170000-0x00000000001FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5fdfc0 bad63a6 File opened for modification C:\Windows\113058 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.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 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bad63a6 - 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\Content\CachePrefix bad63a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bad63a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bad63a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bad63a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bad63a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bad63a6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bad63a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bad63a6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bad63a6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5600 bad63a6 5600 bad63a6 5600 bad63a6 5600 bad63a6 5600 bad63a6 5600 bad63a6 5600 bad63a6 5600 bad63a6 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe Token: SeTcbPrivilege 1004 081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe Token: SeDebugPrivilege 5600 bad63a6 Token: SeTcbPrivilege 5600 bad63a6
Processes
-
C:\Users\Admin\AppData\Local\Temp\081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.exe"C:\Users\Admin\AppData\Local\Temp\081b51cbab7ee21e93cc15630833882dad4e9e4d9bd756e56aaf9875b9d5d71f.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:1004
-
C:\Windows\Syswow64\bad63a6C:\Windows\Syswow64\bad63a61⤵
- 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:5600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\bad63a6
- Size 640KB
- SHA256 d11eb990096eacc96761687a3cdf1cb1015e56f2842a505ab49db9998e762f46
- MD5 97a2611024f7ed648aea42d20a2ce9c6
- SHA1 fb6132aa5254fb764ba7716377a3aeb3696a903f
- SHA512 ee4f95d025e4c8a5830b60ce3a6c8ad151a04f33ebba103347800022c97b78b5cd2719c2f5580f510d435c50dd67934f4a40a58ceeda394c85d39d7d4c352add
- SSDEEP 6144:WcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:WSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1F3D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH