Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/05/2026, 19:51
Behavioral task
behavioral1
Sample
02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe
- Size 761KB
- Sample260508-yk8slagy6l
- SHA256 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d
- MD5 f5c676f22c15ee4d402a5b101845a042
- SHA1 057ae2769ac3d0804e22f4f569e9a915a48ccd0f
- SHA512 310d8e96ccf5f72d7a76e8f04f5133d472bf57fe0dff91608a5dc9341371154292b1b2135c04931e1e27a62eeb5cb70fda95385e8117bf84aa74e2a248089991
- SSDEEP 12288:7SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:OvO2xJKRw2kOkxSkW298B
- TLSH T1ADF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 436 187b35ab - 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 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe Destination IP 2 223.5.5.5 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe Destination IP 10 114.114.114.114 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe Destination IP 11 223.5.5.5 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 187b35ab File created C:\Windows\SysWOW64\187b35ab 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 187b35ab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 187b35ab -
resource yara_rule behavioral2/memory/1184-0-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/files/0x00130000000256dc-2.dat upx behavioral2/memory/436-3-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral2/memory/1184-10-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/memory/436-11-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral2/memory/436-27-0x00000000001C0000-0x000000000024C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\776e8 187b35ab File opened for modification C:\Windows\144540 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.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 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 187b35ab - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 187b35ab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 187b35ab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 187b35ab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 187b35ab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 187b35ab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 187b35ab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 187b35ab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 187b35ab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 187b35ab - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 436 187b35ab 436 187b35ab 436 187b35ab 436 187b35ab 436 187b35ab 436 187b35ab 436 187b35ab 436 187b35ab 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe Token: SeTcbPrivilege 1184 02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe Token: SeDebugPrivilege 436 187b35ab Token: SeTcbPrivilege 436 187b35ab
Processes
-
C:\Users\Admin\AppData\Local\Temp\02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.exe"C:\Users\Admin\AppData\Local\Temp\02cfdaee8aa3cdee74fa0e99537f8371212fed18d090ec5c7a6ddc966a9c569d.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:1184
-
C:\Windows\Syswow64\187b35abC:\Windows\Syswow64\187b35ab1⤵
- 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:436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\187b35ab
- Size 761KB
- SHA256 adb2daaf15b85b715ec8c7d9ff3db1a93a0a685e7ded00492aaf551c76f7db9f
- MD5 0f7662208457c9f61b18e846e24ffa0d
- SHA1 be9fd03fc653dac4165bdfad36ab583119833dbe
- SHA512 d126d336e57bb3fffc6cc130f5b944b5b175a404e61036fcefceab6a6139c19ca4b1dcd8a1e13f0d269d7b2ffcc8e77fa925c49a8ba82940661e1eb2373d7d43
- SSDEEP 12288:RSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:4vO2xJKRw2kOkxSkW298B
- TLSH T1A5F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH