Analysis
- max time kernel
150s - max time network
153s - 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, 22:55
Behavioral task
behavioral1
Sample
d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe
- Size 3.0MB
- Sample260809-2v9dnach22
- SHA256 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487
- MD5 7107b823312c0196a2e0299b58ea6710
- SHA1 869d33c644ec7a831ae33b86defaec12578bc57f
- SHA512 52d5e880d90f1b6105a2387f0ae629d7aedbfe12ef3be9a6f14b3feb2ed0c13949c48325e377028f00ce4e116920fc03ab400f7895f37dd846c451a3512a4bc2
- SSDEEP 49152:0A/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:D/whnLrHp/qKm2/Sb/
- TLSH T1BDE55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2320 48cc0e4d - 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 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe Destination IP 4 223.5.5.5 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe Destination IP 16 114.114.114.114 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe Destination IP 17 223.5.5.5 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 48cc0e4d File created C:\Windows\SysWOW64\48cc0e4d d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 48cc0e4d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 48cc0e4d -
resource yara_rule behavioral2/memory/4820-0-0x00000000000F0000-0x00000000003F5000-memory.dmp upx behavioral2/files/0x000f000000016cb6-2.dat upx behavioral2/memory/2320-3-0x0000000000B80000-0x0000000000E85000-memory.dmp upx behavioral2/memory/4820-5-0x00000000000F0000-0x00000000003F5000-memory.dmp upx behavioral2/memory/2320-6-0x0000000000B80000-0x0000000000E85000-memory.dmp upx behavioral2/memory/2320-15-0x0000000000B80000-0x0000000000E85000-memory.dmp upx - 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 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 48cc0e4d - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 48cc0e4d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 48cc0e4d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 48cc0e4d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 48cc0e4d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 48cc0e4d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 48cc0e4d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 48cc0e4d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 48cc0e4d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 48cc0e4d - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2320 48cc0e4d 2320 48cc0e4d 2320 48cc0e4d 2320 48cc0e4d 2320 48cc0e4d 2320 48cc0e4d 2320 48cc0e4d 2320 48cc0e4d 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe Token: SeTcbPrivilege 4820 d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe Token: SeDebugPrivilege 2320 48cc0e4d Token: SeTcbPrivilege 2320 48cc0e4d
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe"C:\Users\Admin\AppData\Local\Temp\d4540bc6d5a1fd67964227f63f30aa1722bd3ace215814db2659699c653b8487.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4820
-
C:\Windows\Syswow64\48cc0e4dC:\Windows\Syswow64\48cc0e4d1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2320
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\48cc0e4d
- Size 3.0MB
- SHA256 b514838ba9c3de8d601b82354b06a3eea29c625d983e6ece1316215fa97996e5
- MD5 dbf806f3da416bc9e9057a899e3375cb
- SHA1 8b872eee5706fd94521d8da6fbc4b608242c78c1
- SHA512 25068c91527afc51b3c931e400039b6d633a439cc81fe953a19ce16a61fbd2587d7dc8e7132c71a8c95d97acac607a5b559b4dd2b0e0f00914bcd3ceb3dd6313
- SSDEEP 49152:gA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:3/whnLrHp/qKm2/Sb/
- TLSH T1B4E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH