Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 21:35
Behavioral task
behavioral1
Sample
a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe
- Size 560KB
- Sample260815-1fm2favvct
- SHA256 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b
- MD5 bf53031a17b9abaa5839113714236916
- SHA1 aebb872cb25b70b2682eba317ac80407ace99f4b
- SHA512 1835e5d803a07a83683cd523eb86201d529da1aae2de71e4593487039ce9550c62a9282021f40f04e2d69c5246cdfc875dabd4c5ae8d18b1dde76acff2b2709a
- SSDEEP 6144:bgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:bI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T179C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4864 5b05d579 - 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 53 223.5.5.5 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Destination IP 1 114.114.114.114 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Destination IP 4 223.5.5.5 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Destination IP 12 114.114.114.114 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Destination IP 13 223.5.5.5 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Destination IP 52 114.114.114.114 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5b05d579 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5b05d579 File created C:\Windows\SysWOW64\5b05d579 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5b05d579 -
resource yara_rule behavioral2/memory/4940-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/files/0x000e00000001c51f-2.dat upx behavioral2/memory/4864-3-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/4940-10-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/memory/4864-11-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/4864-31-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\534600 5b05d579 File opened for modification C:\Windows\549318 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.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 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5b05d579 - 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:" 5b05d579 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5b05d579 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5b05d579 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5b05d579 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5b05d579 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5b05d579 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5b05d579 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5b05d579 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5b05d579 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4864 5b05d579 4864 5b05d579 4864 5b05d579 4864 5b05d579 4864 5b05d579 4864 5b05d579 4864 5b05d579 4864 5b05d579 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Token: SeTcbPrivilege 4940 a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe Token: SeDebugPrivilege 4864 5b05d579 Token: SeTcbPrivilege 4864 5b05d579
Processes
-
C:\Users\Admin\AppData\Local\Temp\a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.exe"C:\Users\Admin\AppData\Local\Temp\a7408552cf093f6aa50f2b82c422227bc06ed6fd892485a320ad3bce6c260c4b.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:4940
-
C:\Windows\Syswow64\5b05d579C:\Windows\Syswow64\5b05d5791⤵
- 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:4864
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5b05d579
- Size 560KB
- SHA256 9c0f90c52993eb14d131f548ba755bc80aa35d22c5bd8b544f06d8e38d107415
- MD5 a4ed8b697f72f6e98c39431ba6e8d3bc
- SHA1 5c2f4566932607a1fd592cc0e479c7552bfec3fc
- SHA512 8d7d23c9ce99691b90297a13cdb585acd16ab981567a540f9914faaa33639301727074415cb34bd8cf4967a827422e68932c3d0791fe5d8679d2350c1f131e37
- SSDEEP 6144:8gye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:8I7OE4kopQzNKFyLWDHsOkxHy
- TLSH T10CC48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH