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
31/07/2026, 04:41
Behavioral task
behavioral1
Sample
b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe
- Size 560KB
- Sample260731-fa8qqscg45
- SHA256 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c
- MD5 53f5c672adebd06a5a970592649e8d03
- SHA1 f931ee2e8ad19e8cad3c3dd6bb85f2b669b10ee2
- SHA512 f953fa94191f722865382e3c49a645d93152488181f386535a8f688a981256effba86d9622d25970f06295423f425a54ae8d820e62ce966acc8555b830f48fb1
- SSDEEP 6144:wWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:wkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1A2C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5016 def2ea8c - 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 3 114.114.114.114 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe Destination IP 6 223.5.5.5 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe Destination IP 15 114.114.114.114 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe Destination IP 16 223.5.5.5 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.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 def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content def2ea8c File created C:\Windows\SysWOW64\def2ea8c b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft def2ea8c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 def2ea8c -
resource yara_rule behavioral2/memory/2372-0-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/files/0x000b00000001b840-2.dat upx behavioral2/memory/5016-3-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral2/memory/2372-10-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/5016-11-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral2/memory/5016-32-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\55e030 def2ea8c File opened for modification C:\Windows\289c08 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.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 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language def2ea8c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" def2ea8c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" def2ea8c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" def2ea8c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing def2ea8c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" def2ea8c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" def2ea8c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix def2ea8c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ def2ea8c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" def2ea8c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5016 def2ea8c 5016 def2ea8c 5016 def2ea8c 5016 def2ea8c 5016 def2ea8c 5016 def2ea8c 5016 def2ea8c 5016 def2ea8c 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe Token: SeTcbPrivilege 2372 b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe Token: SeDebugPrivilege 5016 def2ea8c Token: SeTcbPrivilege 5016 def2ea8c
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.exe"C:\Users\Admin\AppData\Local\Temp\b7eb7189c9f01ccf7a146efd280ae8c71b34fa5975641304969bf0495f21da9c.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:2372
-
C:\Windows\Syswow64\def2ea8cC:\Windows\Syswow64\def2ea8c1⤵
- 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:5016
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\def2ea8c
- Size 560KB
- SHA256 1f57ac54b494373e2b21b69110e2ddf6ba99eb43da706920ce2456db71f47194
- MD5 93870cf4dc386f27c4145689d5a59da4
- SHA1 fbc1c250c3ea99ebee037d75046b270a6d9ad7fc
- SHA512 0c3abe361e61ac58fb54883e1aa28e75f05aeb7655f169308089d57f98a0b7674d5882e376dabe02a278e8e8320eefb125609888a5c49ef7db44e75a7e388acf
- SSDEEP 6144:jWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:jkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1F5C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH