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
30/07/2026, 19:42
Behavioral task
behavioral1
Sample
87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe
- Size 618KB
- Sample260730-ye23vsef82
- SHA256 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16
- MD5 16eedf357c1d96d989a6fdcbebe6f839
- SHA1 717650261efcb9d845d6ca22fb435762cf47e451
- SHA512 23fb8b1316a38c3c29056e44405c13695203442867b3641dd8eb247204f272221ad4cc26e867a049e277eac871f8a0c4b77ac0808704c59501ae5f599f584899
- SSDEEP 12288:OqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:OjHPOSOkx2LFscUQPxW
- TLSH T194D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6088 23cf447 - 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 4 223.5.5.5 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe Destination IP 23 114.114.114.114 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe Destination IP 24 223.5.5.5 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe Destination IP 1 114.114.114.114 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 23cf447 File created C:\Windows\SysWOW64\23cf447 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 23cf447 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 23cf447 -
resource yara_rule behavioral2/memory/3304-0-0x0000000000300000-0x0000000000389000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/6088-4-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/3304-18-0x0000000000300000-0x0000000000389000-memory.dmp upx behavioral2/memory/6088-20-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/3304-39-0x0000000000300000-0x0000000000389000-memory.dmp upx behavioral2/memory/6088-40-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/3304-43-0x0000000000300000-0x0000000000389000-memory.dmp upx behavioral2/memory/3304-47-0x0000000000300000-0x0000000000389000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\683a90 23cf447 File opened for modification C:\Windows\3890d0 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.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 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 23cf447 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 23cf447 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 23cf447 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 23cf447 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 23cf447 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 23cf447 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 23cf447 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 23cf447 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 23cf447 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 23cf447 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6088 23cf447 6088 23cf447 6088 23cf447 6088 23cf447 6088 23cf447 6088 23cf447 6088 23cf447 6088 23cf447 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe Token: SeTcbPrivilege 3304 87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe Token: SeDebugPrivilege 6088 23cf447 Token: SeTcbPrivilege 6088 23cf447
Processes
-
C:\Users\Admin\AppData\Local\Temp\87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.exe"C:\Users\Admin\AppData\Local\Temp\87ac0aab9b91d51d85133e242a4dfc4a5e8abba277f867a5869bfe3e4e0eea16.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:3304
-
C:\Windows\Syswow64\23cf447C:\Windows\Syswow64\23cf4471⤵
- 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:6088
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\23cf447
- Size 618KB
- SHA256 4179c1ab6d3a5d4d0d955043adb16e524cc79bb645d979858d014b4e230586c6
- MD5 aeab8bab171aa6a7d89dda1d30249eda
- SHA1 abf7a496b621e76a5bc6f7a55aa9d493b624335d
- SHA512 90a195a3173b9f7b1e6543a5493bb4f190f9753aafbe5bd3f07a6556e2256d215718aaee24c51d6dd09a297530f01cd52e947fed3cff87a4d52a9e1d42d9504c
- SSDEEP 12288:nqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:njHPOSOkx2LFscUQPxW
- TLSH T192D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH