Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 04:08
Behavioral task
behavioral1
Sample
f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe
- Size 873KB
- Sample260818-eqlepsdr4t
- SHA256 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a
- MD5 ab1cedeaf51ff4573457383f9ca1d929
- SHA1 ac7e43b318ba85ce9cb744d06cc602fc83e46ada
- SHA512 e169136a02ee9b22b9872d5b3dc447caa4f413268fce956b95f47f91b8e42f7325b25caae8a11fb7b62cfd117c6cffe569ad53df1974994b69fe27e43f80dc57
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:wvO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T118156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4988 81ab5701 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 95 114.114.114.114 4988 81ab5701 Destination IP 165 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 236 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 1 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 4 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 40 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 96 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 322 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 41 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 102 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 104 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 166 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 323 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 376 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 235 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 292 114.114.114.114 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 293 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Destination IP 377 223.5.5.5 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 81ab5701 File created C:\Windows\SysWOW64\81ab5701 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 81ab5701 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 81ab5701 -
resource yara_rule behavioral2/memory/3956-0-0x0000000000F20000-0x0000000000FAC000-memory.dmp upx behavioral2/files/0x000b000000011390-2.dat upx behavioral2/memory/4988-3-0x0000000000790000-0x000000000081C000-memory.dmp upx behavioral2/memory/3956-16-0x0000000000F20000-0x0000000000FAC000-memory.dmp upx behavioral2/memory/4988-17-0x0000000000790000-0x000000000081C000-memory.dmp upx behavioral2/memory/4988-40-0x0000000000790000-0x000000000081C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\556578 81ab5701 File opened for modification C:\Windows\43ba68 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.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 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81ab5701 - 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\History\CachePrefix = "Visited:" 81ab5701 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 81ab5701 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 81ab5701 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 81ab5701 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 81ab5701 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 81ab5701 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 81ab5701 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 81ab5701 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 81ab5701 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4988 81ab5701 4988 81ab5701 4988 81ab5701 4988 81ab5701 4988 81ab5701 4988 81ab5701 4988 81ab5701 4988 81ab5701 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Token: SeTcbPrivilege 3956 f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe Token: SeDebugPrivilege 4988 81ab5701 Token: SeTcbPrivilege 4988 81ab5701
Processes
-
C:\Users\Admin\AppData\Local\Temp\f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.exe"C:\Users\Admin\AppData\Local\Temp\f47a4c03db21220728a407787f55408ec4a4ca7f49b41081fc03e756adcf3a7a.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:3956
-
C:\Windows\Syswow64\81ab5701C:\Windows\Syswow64\81ab57011⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\81ab5701
- Size 873KB
- SHA256 de8f37ce02cb8d7159f7ee950ffcc516649a940b72f6104481574bcae9f9b06a
- MD5 f9c0b84444cdfcab6a8874e1b06f6ba6
- SHA1 619e3dbc35a26c76385be7e85d7f0de14b6ccdc0
- SHA512 549c27f6581affb5d184ea01ee7f1ea1d5a69ce29853bdb01c1036666dc2264a78d31e243d17969d2b2f8961ef26612f52e4d8cd30a66f146e5df06489ea99fc
- SSDEEP 12288:dSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:8vO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1DF156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH