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
04/08/2026, 23:22
Behavioral task
behavioral1
Sample
f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe
- Size 766KB
- Sample260804-3cypwaac52
- SHA256 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd
- MD5 7eb7495aaf065e4015f018803f182148
- SHA1 ab4bf1ac0c38be8ceadbc7d376ed1526ab45bed1
- SHA512 ec31acf23e9ea64c6f9a93aa6501a4a1c5d5c14cdb3cdb3c3805a9284afe7f4d2e557296e4a5846f1e28654cf1ad18c466ef5e88488cfc957418b9a53d68b203
- SSDEEP 12288:vSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:avO2xJKRw2kOkx2LFRvcUV
- TLSH T19EF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 252 2ad80309 - 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 16 114.114.114.114 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe Destination IP 17 223.5.5.5 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe Destination IP 1 114.114.114.114 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe Destination IP 4 223.5.5.5 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2ad80309 File created C:\Windows\SysWOW64\2ad80309 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2ad80309 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2ad80309 -
resource yara_rule behavioral2/memory/3124-0-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral2/files/0x000800000001b1d0-3.dat upx behavioral2/memory/252-4-0x0000000000F70000-0x0000000000FFC000-memory.dmp upx behavioral2/memory/3124-18-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral2/memory/252-19-0x0000000000F70000-0x0000000000FFC000-memory.dmp upx behavioral2/memory/252-34-0x0000000000F70000-0x0000000000FFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\45078 2ad80309 File opened for modification C:\Windows\357be8 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.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 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2ad80309 - 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:" 2ad80309 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2ad80309 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2ad80309 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2ad80309 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2ad80309 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2ad80309 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2ad80309 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2ad80309 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2ad80309 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 252 2ad80309 252 2ad80309 252 2ad80309 252 2ad80309 252 2ad80309 252 2ad80309 252 2ad80309 252 2ad80309 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe Token: SeTcbPrivilege 3124 f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe Token: SeDebugPrivilege 252 2ad80309 Token: SeTcbPrivilege 252 2ad80309
Processes
-
C:\Users\Admin\AppData\Local\Temp\f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.exe"C:\Users\Admin\AppData\Local\Temp\f03e81df5eab396b1d99f15ba8f905a6965f218df79da17e6eca83f8c7e7cbcd.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:3124
-
C:\Windows\Syswow64\2ad80309C:\Windows\Syswow64\2ad803091⤵
- 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:252
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\2ad80309
- Size 766KB
- SHA256 4f56856207ad05d4cf6666ee6af56e9ba5b5ae0d1bcd2d856426d22c4fd81994
- MD5 f5a578660d02f282a4cad9c5664d3a2f
- SHA1 8e636195d05898bf0b9cfb780604fca7b4808e1d
- SHA512 8f3bc96cde7f1f20e9e95f299bcd5c8084231653b7e35897a475e10681313b77eeccf3394212fd7e257f33ee466cb877b970d6b6101b3c3537e7fe7c7355c418
- SSDEEP 12288:5SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:AvO2xJKRw2kOkx2LFRvcUV
- TLSH T1F3F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH