Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/09/2026, 18:40
Behavioral task
behavioral1
Sample
043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe
- Size 560KB
- Sample260925-xbhdlsgh52
- SHA256 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f
- MD5 f1f7a534a310d7f6078180f69d9d1d12
- SHA1 e790dbe137eccff56188286948b0f525cdf15a2f
- SHA512 816704561b75c3eab19d43c43e582ed2c176fb3c18032eddd0ac86a3fc19ed24df6a16e5dcb8a8dbb844e88402ee2c5ec074bbaff60e3729e2211b2553751d2c
- SSDEEP 6144:s4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:srNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1F6C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4212 f38b5ee8 - Unexpected DNS network traffic destination 20 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 315 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 348 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 6 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 41 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 182 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 347 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 40 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 94 114.114.114.114 4212 f38b5ee8 Destination IP 95 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 150 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 236 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 273 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 275 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 401 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 4 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 235 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 316 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 402 223.5.5.5 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 149 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Destination IP 181 114.114.114.114 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.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 f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f38b5ee8 File created C:\Windows\SysWOW64\f38b5ee8 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f38b5ee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f38b5ee8 -
resource yara_rule behavioral2/memory/5124-0-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/files/0x00160000000115b3-2.dat upx behavioral2/memory/4212-3-0x00000000004D0000-0x000000000055C000-memory.dmp upx behavioral2/memory/5124-18-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/memory/4212-19-0x00000000004D0000-0x000000000055C000-memory.dmp upx behavioral2/memory/4212-42-0x00000000004D0000-0x000000000055C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\481c68 f38b5ee8 File opened for modification C:\Windows\57b988 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname f38b5ee8 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain f38b5ee8 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.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 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f38b5ee8 - 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\Content\CachePrefix f38b5ee8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f38b5ee8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f38b5ee8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f38b5ee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f38b5ee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f38b5ee8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f38b5ee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f38b5ee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f38b5ee8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4212 f38b5ee8 4212 f38b5ee8 4212 f38b5ee8 4212 f38b5ee8 4212 f38b5ee8 4212 f38b5ee8 4212 f38b5ee8 4212 f38b5ee8 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Token: SeTcbPrivilege 5124 043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe Token: SeDebugPrivilege 4212 f38b5ee8 Token: SeTcbPrivilege 4212 f38b5ee8
Processes
-
C:\Users\Admin\AppData\Local\Temp\043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe"C:\Users\Admin\AppData\Local\Temp\043315cea7367b31ccc5e45e877a2126d4491285583a8ccfd9b1a38b1a793a4f.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5124
-
C:\Windows\Syswow64\f38b5ee8C:\Windows\Syswow64\f38b5ee81⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4212
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f38b5ee8
- Size 560KB
- SHA256 2f188c08adf7af188100f8ef702f411c09bdee3ce834dd996cd75af354c88eb7
- MD5 7283179d9c5699823a70a27ef1db5237
- SHA1 fb90b0c10d41a4a9d7db743348d152c1530ddc3e
- SHA512 a2afe4274aad23f26232ff89486ccbb1bed7ff5547e5d258d61bd6dcdfbf88484431682cb1d1886e02b0af4bc9dab0740f7cc01fc86652db680351fc04d4254e
- SSDEEP 6144:k4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:krNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T14DC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH