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
09/07/2026, 22:27
Behavioral task
behavioral1
Sample
2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe
- Size 640KB
- Sample260709-2c2k4abv7z
- SHA256 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2
- MD5 45c99f96c72dac215c40cc75677e6aaa
- SHA1 a9713b1ceabad940557a8ff9bbe8a1cf2d3244f9
- SHA512 58aad85be965a7ba5ba3825ee00a53bebff946f9b7fbe9dc0d0f0b33e8366baf56da84c91d1a8a94c3c4e4528bdb59b9f99dc575ec82023b2060195527455015
- SSDEEP 6144:0cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:0SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1C5D45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1464 a45f6408 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 20 223.5.5.5 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 45 114.114.114.114 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 46 223.5.5.5 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 80 114.114.114.114 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 81 223.5.5.5 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 1 114.114.114.114 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 2 223.5.5.5 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Destination IP 19 114.114.114.114 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.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 a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a45f6408 File created C:\Windows\SysWOW64\a45f6408 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a45f6408 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a45f6408 -
resource yara_rule behavioral2/memory/5560-0-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/1464-4-0x00000000001F0000-0x000000000027C000-memory.dmp upx behavioral2/memory/5560-10-0x0000000000E60000-0x0000000000EEC000-memory.dmp upx behavioral2/memory/1464-11-0x00000000001F0000-0x000000000027C000-memory.dmp upx behavioral2/memory/1464-34-0x00000000001F0000-0x000000000027C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\191070 a45f6408 File opened for modification C:\Windows\5f3070 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.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 a45f6408 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.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\Cookies\CachePrefix = "Cookie:" a45f6408 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a45f6408 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a45f6408 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a45f6408 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a45f6408 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a45f6408 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a45f6408 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a45f6408 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a45f6408 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1464 a45f6408 1464 a45f6408 1464 a45f6408 1464 a45f6408 1464 a45f6408 1464 a45f6408 1464 a45f6408 1464 a45f6408 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Token: SeTcbPrivilege 5560 2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe Token: SeDebugPrivilege 1464 a45f6408 Token: SeTcbPrivilege 1464 a45f6408
Processes
-
C:\Users\Admin\AppData\Local\Temp\2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.exe"C:\Users\Admin\AppData\Local\Temp\2fb6399e92ae6450cfcce967568f842458889fbb93ef7e0aaab4769b0296d5d2.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:5560
-
C:\Windows\Syswow64\a45f6408C:\Windows\Syswow64\a45f64081⤵
- 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:1464
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a45f6408
- Size 640KB
- SHA256 7bfad7439a83b331bc70ccecf109b3ca6f6bdde56a97dc2ef5df91c834c63d9c
- MD5 46dbde1f6d455e1b6ad0215a6d921d38
- SHA1 5d75d8c7edabaaddcfa94cd8bc1ce84dbff0e009
- SHA512 411a36904545f7f70a8c8437c579b80989182a40a647ac0af0ca7229b9e520d73605eaf89d994995fa2f37f8f31b9a1d2b9def609085609b09df86a89487b02d
- SSDEEP 6144:rcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:rSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1E4D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH