Analysis
- max time kernel
149s - 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
22/08/2026, 02:32
Behavioral task
behavioral1
Sample
8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe
- Size 1.4MB
- Sample260822-c1ct7sen2s
- SHA256 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa
- MD5 6da779eadfa0c7080005cd900eb63641
- SHA1 569ed2a1d616947410cac44569b50d2f509b1732
- SHA512 3cd7ca2156c990d9fb1d2be3cb901fb9366614ac26237479f456982d94ea84ecc80826e9b8fa1612465b8227333c0c745f4dbefed087883af5be617cc86fd83b
- SSDEEP 24576:9jHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:9TGkQy5QZuTtS0rQMYOQ+q8CE0I
- TLSH T1A465AE21B341C036D59A01758ABE4BAE957CBD314B2551C7B3C87E7E6FB12D2AA3130B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2972 999ecc00 - 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 1 114.114.114.114 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe Destination IP 4 223.5.5.5 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe Destination IP 41 114.114.114.114 2972 999ecc00 Destination IP 42 223.5.5.5 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe Destination IP 50 114.114.114.114 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe Destination IP 51 223.5.5.5 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 999ecc00 File created C:\Windows\SysWOW64\999ecc00 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 999ecc00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 999ecc00 -
resource yara_rule behavioral2/memory/4708-0-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/files/0x000700000001b888-2.dat upx behavioral2/memory/2972-3-0x0000000000E10000-0x0000000000E99000-memory.dmp upx behavioral2/memory/4708-16-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/2972-18-0x0000000000E10000-0x0000000000E99000-memory.dmp upx behavioral2/memory/4708-39-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/2972-40-0x0000000000E10000-0x0000000000E99000-memory.dmp upx behavioral2/memory/4708-43-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/4708-46-0x0000000000C80000-0x0000000000D09000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\32e1b8 999ecc00 File opened for modification C:\Windows\509a48 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.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 999ecc00 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe - 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\History\CachePrefix = "Visited:" 999ecc00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 999ecc00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 999ecc00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 999ecc00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 999ecc00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 999ecc00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 999ecc00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 999ecc00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 999ecc00 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2972 999ecc00 2972 999ecc00 2972 999ecc00 2972 999ecc00 2972 999ecc00 2972 999ecc00 2972 999ecc00 2972 999ecc00 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe Token: SeTcbPrivilege 4708 8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe Token: SeDebugPrivilege 2972 999ecc00 Token: SeTcbPrivilege 2972 999ecc00
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.exe"C:\Users\Admin\AppData\Local\Temp\8a758bd7edbe46cdc647fd48d26fa6d23f7aa8e2fcbbe7f725bf9d97887433aa.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:4708
-
C:\Windows\Syswow64\999ecc00C:\Windows\Syswow64\999ecc001⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:2972
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\999ecc00
- Size 1.4MB
- SHA256 25899be791d6376a608fb58b9ae8ecb8a7d5f4f354db2c64d123658fd646b439
- MD5 2efeb0689e1e622fd8e153666605ad89
- SHA1 670498976b86e3eb0b72318c4ba502cfe1755e5c
- SHA512 74c87fb3ad802888d051b23c8cab84d1589aeab749c514bad0e191f0cb486e48dc5a3be27408ce03b8c2a5a3726102c3f1df99e3aea15c47f0c78fd7366ccbaf
- SSDEEP 24576:yjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:yTGkQy5QZuTtS0rQMYOQ+q8CE0I
- TLSH T13E65AE21B341C036D59A01758ABE4BAE957CBD314B2551C7B3C87E7E6FB12D2AA3130B
- MD5 SHA1 SHA512 SSDEEP TLSH