Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/09/2026, 09:37
Behavioral task
behavioral1
Sample
18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe
- Size 560KB
- Sample260916-llff8asx2k
- SHA256 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0
- MD5 8a64dc3d3b4bb491c6f438358e5da90e
- SHA1 5a704c97e26e1a4a04cc8a4215a72cd0827e2d51
- SHA512 82e02a1d68a9e13689a8bfefce31d10979fbe18a68cf244fa2122883da823c9e40c288ae8807df5da2c47b4474535a4e1f066b92d4f1efe3381c8d3979f29c80
- SSDEEP 6144:Fgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:FI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1F8C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4632 ecebf5b0 - 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 2 223.5.5.5 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Destination IP 8 114.114.114.114 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Destination IP 9 223.5.5.5 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Destination IP 45 114.114.114.114 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Destination IP 46 223.5.5.5 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Destination IP 1 114.114.114.114 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ecebf5b0 File created C:\Windows\SysWOW64\ecebf5b0 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ecebf5b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ecebf5b0 -
resource yara_rule behavioral2/memory/3740-0-0x0000000000120000-0x00000000001AC000-memory.dmp upx behavioral2/memory/4632-3-0x00000000006D0000-0x000000000075C000-memory.dmp upx behavioral2/files/0x000a00000001136f-2.dat upx behavioral2/memory/3740-10-0x0000000000120000-0x00000000001AC000-memory.dmp upx behavioral2/memory/4632-11-0x00000000006D0000-0x000000000075C000-memory.dmp upx behavioral2/memory/4632-33-0x00000000006D0000-0x000000000075C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f4d30 ecebf5b0 File opened for modification C:\Windows\4007b8 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.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 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ecebf5b0 - 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 ecebf5b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ecebf5b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ecebf5b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ecebf5b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ecebf5b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ecebf5b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ecebf5b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ecebf5b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ecebf5b0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4632 ecebf5b0 4632 ecebf5b0 4632 ecebf5b0 4632 ecebf5b0 4632 ecebf5b0 4632 ecebf5b0 4632 ecebf5b0 4632 ecebf5b0 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Token: SeTcbPrivilege 3740 18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe Token: SeDebugPrivilege 4632 ecebf5b0 Token: SeTcbPrivilege 4632 ecebf5b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.exe"C:\Users\Admin\AppData\Local\Temp\18054d9dcd9e1abc729b3fe526ea318cb72397e4b59093a68489ebe9047c2cb0.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:3740
-
C:\Windows\Syswow64\ecebf5b0C:\Windows\Syswow64\ecebf5b01⤵
- 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:4632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ecebf5b0
- Size 560KB
- SHA256 cc698d8bf5b63e23476bf9871388fd56d42c8ff905eb9326b9a008cdda37f0dd
- MD5 586f773fd1ed31767cb582508fdf779a
- SHA1 bf2b2f6c5f961bffc2942afc78811278731ce787
- SHA512 a12d99db52f5516885a1ed399b1cf94504ad2842e267ed02c8c28b5a492a4eac5aa2b81c500c1d49329e756344f1b083bbfc2ec71eebf7feb273e846fd13e4c3
- SSDEEP 6144:Agye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:AI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T160C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH