Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 22:02
Behavioral task
behavioral1
Sample
18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe
- Size 2.5MB
- Sample260809-1x8dpscf89
- SHA256 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0
- MD5 fd33d8b3e67b12b416e9a05ddca8b498
- SHA1 963d5cf8d8c348bcd037872609d56e1f3969e9fd
- SHA512 2eb4f9b09954abdc820811c96236c9f8300f2ea8d0e3149ae2b025546d691d290dce589ff58282815126c53d2275c91866586dceec7bfef87e3c662780e60885
- SSDEEP 49152:aHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:anKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T16FC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4624 91e0d51a - 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 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe Destination IP 4 223.5.5.5 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe Destination IP 22 114.114.114.114 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe Destination IP 23 223.5.5.5 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe - Drops file in System32 directory 19 IoCs
description ioc Process File created C:\Windows\SysWOW64\91e0d51a 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 91e0d51a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 91e0d51a -
resource yara_rule behavioral1/memory/5484-0-0x0000000000390000-0x000000000041C000-memory.dmp upx behavioral1/files/0x0019000000024361-2.dat upx behavioral1/memory/4624-4-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral1/memory/5484-12-0x0000000000390000-0x000000000041C000-memory.dmp upx behavioral1/memory/4624-13-0x0000000000770000-0x00000000007FC000-memory.dmp upx behavioral1/memory/4624-36-0x0000000000770000-0x00000000007FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f2a20 91e0d51a File opened for modification C:\Windows\5de358 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.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 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91e0d51a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 91e0d51a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 91e0d51a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 91e0d51a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 91e0d51a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 91e0d51a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 91e0d51a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 91e0d51a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 91e0d51a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 91e0d51a - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 91e0d51a Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 91e0d51a - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 4624 91e0d51a 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe Token: SeTcbPrivilege 5484 18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe Token: SeDebugPrivilege 4624 91e0d51a Token: SeTcbPrivilege 4624 91e0d51a
Processes
-
C:\Users\Admin\AppData\Local\Temp\18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.exe"C:\Users\Admin\AppData\Local\Temp\18b34ca9629ed2ceb1b8df3454790e201ff325fa93ad3b7b91aeaa21348282f0.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:5484
-
C:\Windows\Syswow64\91e0d51aC:\Windows\Syswow64\91e0d51a1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\91e0d51a
- Size 2.5MB
- SHA256 0e1079bdd40783b214bb5d76b4de275e6584424c1403b04a85bffe1efdf0ef30
- MD5 c772c11e7a548c543899a318aefc6127
- SHA1 aaadce78239bc2aff2d3ec466b61d5a04e53a0df
- SHA512 cfe0e7aca4d40c9fb1c0ae1675a1bdb4a3e6675cbfd182baa0794a90e47557bf4a16cecfaeda99998bb7ac4559c2e41671b72be6a0e34fa893d862152e7fbbd9
- SSDEEP 49152:SHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:SnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T147C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH