Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 15:59
Behavioral task
behavioral1
Sample
dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe
- Size 1.2MB
- Sample260831-tfa9bavgpg
- SHA256 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93
- MD5 e392316a8432fd069ae0fc76a578e161
- SHA1 5e9c118ab2c4190abcd657c05da48726ec836f52
- SHA512 a32b49f6e5091a2a9b7210a5cb2fed0a67dbe93ac5359555d3d763e96442345b7989b54997fe3113b4dbf3a81e57748010938b0bfc19c69045ac05ae16a6cf57
- SSDEEP 24576:GvO2xJKRw2kOkx2LFRvhuZ98Es8k3OH3C0rQ6+y:GHHKe2WQXhuTtS0rQi
- TLSH T1CA559E31E641C036D4A70176C6B94BBFA578BD22072555CBE3D43A6A2F722D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5824 5ed03030 - 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 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe Destination IP 2 223.5.5.5 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe Destination IP 11 114.114.114.114 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe Destination IP 12 223.5.5.5 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 5ed03030 File created C:\Windows\SysWOW64\5ed03030 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5ed03030 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5ed03030 -
resource yara_rule behavioral2/memory/2332-0-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral2/files/0x0013000000016db3-2.dat upx behavioral2/memory/5824-3-0x0000000000450000-0x00000000004DC000-memory.dmp upx behavioral2/memory/2332-15-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral2/memory/5824-16-0x0000000000450000-0x00000000004DC000-memory.dmp upx behavioral2/memory/5824-34-0x0000000000450000-0x00000000004DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\63b580 5ed03030 File opened for modification C:\Windows\27ecb8 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.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 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5ed03030 - 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\Cookies\CachePrefix = "Cookie:" 5ed03030 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5ed03030 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5ed03030 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5ed03030 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5ed03030 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5ed03030 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5ed03030 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5ed03030 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5ed03030 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5824 5ed03030 5824 5ed03030 5824 5ed03030 5824 5ed03030 5824 5ed03030 5824 5ed03030 5824 5ed03030 5824 5ed03030 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe Token: SeTcbPrivilege 2332 dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe Token: SeDebugPrivilege 5824 5ed03030 Token: SeTcbPrivilege 5824 5ed03030
Processes
-
C:\Users\Admin\AppData\Local\Temp\dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.exe"C:\Users\Admin\AppData\Local\Temp\dc90c5804488b46a13162c8408f158eb781a7552df1a576652f8f6813654bd93.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\5ed03030C:\Windows\Syswow64\5ed030301⤵
- 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:5824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5ed03030
- Size 1.2MB
- SHA256 79f0b8d9fba3536f9b33adbf56b5b53b4b16bcbc5e108f68966bbad2d4825a09
- MD5 ad3cbc65ac028a847fcf0fb76b25cee0
- SHA1 89f2e23f30c650f22f6fc908e3e635cc2fc6449e
- SHA512 a5b7e20301aabb36aac45a2e2a7850610b504fcb6e9f1b43b8b7c0004760293474847997121758bd30dab9893ca26b8226ffffea2f9a6713def434cc638b02d2
- SSDEEP 24576:uvO2xJKRw2kOkx2LFRvhuZ98Es8k3OH3C0rQ6+y:uHHKe2WQXhuTtS0rQi
- TLSH T181559E31E641C036D4A70176C6B94BBFA578BD22072555CBE3D43A6A2F722D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH