Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 04:48
Behavioral task
behavioral1
Sample
741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe
- Size 560KB
- Sample260820-fffl5szcle
- SHA256 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194
- MD5 3418d0f472c53b650328324f399d54d6
- SHA1 4e58a36a7479871098bfa66115d6df811045b96e
- SHA512 8205927beede13978efa2624c3db1f77dcf014ececee53bbb7eea5d0e80cdaf6aca7880ba869d1e108a04190b2dece54f18986e5249b747a86533878b8ed20b9
- SSDEEP 6144:tgye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:tI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T113C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5072 86736dcd - 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 3 114.114.114.114 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe Destination IP 6 223.5.5.5 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe Destination IP 26 114.114.114.114 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe Destination IP 27 223.5.5.5 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 86736dcd File created C:\Windows\SysWOW64\86736dcd 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 86736dcd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 86736dcd -
resource yara_rule behavioral1/memory/2332-0-0x0000000000200000-0x000000000028C000-memory.dmp upx behavioral1/files/0x001800000001db66-2.dat upx behavioral1/memory/5072-4-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral1/memory/2332-18-0x0000000000200000-0x000000000028C000-memory.dmp upx behavioral1/memory/5072-19-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral1/memory/5072-24-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56d5a0 86736dcd File opened for modification C:\Windows\27ecb8 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.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 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 86736dcd - 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 86736dcd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 86736dcd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 86736dcd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 86736dcd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 86736dcd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 86736dcd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 86736dcd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 86736dcd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 86736dcd - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5072 86736dcd 5072 86736dcd 5072 86736dcd 5072 86736dcd 5072 86736dcd 5072 86736dcd 5072 86736dcd 5072 86736dcd 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe Token: SeTcbPrivilege 2332 741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe Token: SeDebugPrivilege 5072 86736dcd Token: SeTcbPrivilege 5072 86736dcd
Processes
-
C:\Users\Admin\AppData\Local\Temp\741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.exe"C:\Users\Admin\AppData\Local\Temp\741f3d97a20d1a8807ad6620769b37cdc31b7bd1bf9d5771ef0ea61e082e8194.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:2332
-
C:\Windows\Syswow64\86736dcdC:\Windows\Syswow64\86736dcd1⤵
- 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:5072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\86736dcd
- Size 560KB
- SHA256 77f75385754b223b8651713aeb2a63a59c449e1c487a7a0c46df816630336ece
- MD5 8665d4f3fd192939b24e3413767cdd27
- SHA1 b02100a7a0b018e87e4c743d402d641dd3cd8f37
- SHA512 257958e510a082ee8ce2cb36c7a2ddbf1264e5ab38ce77b1de145d12ae711a1009fb568cd8fd9e7fc34725945a10b5b1e8cccce9436e3f35da5638dca0888e8b
- SSDEEP 6144:Ggye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:GI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T101C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH