Analysis
- max time kernel
150s - 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
22/08/2026, 22:10
Behavioral task
behavioral1
Sample
f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe
- Size 640KB
- Sample260822-13bxpazekb
- SHA256 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18
- MD5 2e722b22bc2edd2202fa53129145f7a9
- SHA1 759683d2840ecf63674374365461123e3db79639
- SHA512 29e55cd651bf10bcbe71c50d7e77bb825991b8b9a39018b684549c98dd72b4b36e81392f08a810c9461a9f1c7a31859e18b67896f8a8577cec74a9b9a7a2c6b0
- SSDEEP 6144:CcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:CSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T13FD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3324 d857219e - 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 19 223.5.5.5 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe Destination IP 3 114.114.114.114 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe Destination IP 5 223.5.5.5 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe Destination IP 18 114.114.114.114 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d857219e File created C:\Windows\SysWOW64\d857219e f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d857219e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d857219e -
resource yara_rule behavioral2/memory/1192-0-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/files/0x000c000000016cd6-2.dat upx behavioral2/memory/3324-3-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral2/memory/1192-18-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/memory/3324-19-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral2/memory/3324-31-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\38e878 d857219e File opened for modification C:\Windows\146850 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.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 d857219e Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d857219e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d857219e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d857219e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d857219e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d857219e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d857219e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d857219e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d857219e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d857219e - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3324 d857219e 3324 d857219e 3324 d857219e 3324 d857219e 3324 d857219e 3324 d857219e 3324 d857219e 3324 d857219e 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe Token: SeTcbPrivilege 1192 f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe Token: SeDebugPrivilege 3324 d857219e Token: SeTcbPrivilege 3324 d857219e
Processes
-
C:\Users\Admin\AppData\Local\Temp\f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.exe"C:\Users\Admin\AppData\Local\Temp\f3524516b33247ad1aabcd2fc4285462e36c0b2d6aaae98f9b64b183ec63ea18.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:1192
-
C:\Windows\Syswow64\d857219eC:\Windows\Syswow64\d857219e1⤵
- 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:3324
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d857219e
- Size 640KB
- SHA256 8d3cdad8255351ae1f5a3c7edaafe698d170c2034d5784d76fbb393bca315689
- MD5 c12b2a952ad3a071b9a4015ef7117fd9
- SHA1 dd4ebd689b259bef755b55033a4121669e03a08b
- SHA512 b4d103198dbda9a8798888f7fb63979a3687b8fbee551c147793b6bc9d3bebdc2ca5cf901b12cb1dc875c175495f2a60c77546bb88937720422df6a8c646b7be
- SSDEEP 6144:RcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:RSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T161D45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH