Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/05/2026, 02:20
Behavioral task
behavioral1
Sample
a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe
- Size 576KB
- Sample260528-csxveafv2x
- SHA256 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7
- MD5 0789b9c5d1d78c8a3d4650c7a20af719
- SHA1 1cc377e9904ae7c86afdebdfcfff2d2f83d34084
- SHA512 3110361e86dfe226f0859ef4d2c4e6a02dd8c869664a09cd9ca704d9f7e87c9915fad01536e6380a5f31f85747ee338e946bbcb4451da3cbfe5a4cbe38b88c0d
- SSDEEP 12288:GqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:GjHPOSOkx2LFscUQPK
- TLSH T129C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3280 e18defac - 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 5 114.114.114.114 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe Destination IP 8 223.5.5.5 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe Destination IP 46 114.114.114.114 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe Destination IP 48 223.5.5.5 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e18defac File created C:\Windows\SysWOW64\e18defac a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e18defac File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e18defac -
resource yara_rule behavioral1/memory/3892-0-0x00000000007D0000-0x0000000000859000-memory.dmp upx behavioral1/memory/3280-4-0x0000000000130000-0x00000000001B9000-memory.dmp upx behavioral1/files/0x00100000000217bd-3.dat upx behavioral1/memory/3892-18-0x00000000007D0000-0x0000000000859000-memory.dmp upx behavioral1/memory/3280-21-0x0000000000130000-0x00000000001B9000-memory.dmp upx behavioral1/memory/3280-25-0x0000000000130000-0x00000000001B9000-memory.dmp upx behavioral1/memory/3280-31-0x0000000000130000-0x00000000001B9000-memory.dmp upx behavioral1/memory/3892-30-0x00000000007D0000-0x0000000000859000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3827a0 e18defac File opened for modification C:\Windows\42a1e8 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.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 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e18defac - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e18defac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e18defac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e18defac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e18defac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e18defac Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e18defac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e18defac Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e18defac Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e18defac - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3280 e18defac 3280 e18defac 3280 e18defac 3280 e18defac 3280 e18defac 3280 e18defac 3280 e18defac 3280 e18defac 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe Token: SeTcbPrivilege 3892 a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe Token: SeDebugPrivilege 3280 e18defac Token: SeTcbPrivilege 3280 e18defac
Processes
-
C:\Users\Admin\AppData\Local\Temp\a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.exe"C:\Users\Admin\AppData\Local\Temp\a448582dcd681bcf67e6a33cbcbae4ed8b757d119d3751adbc2730df9c5ffce7.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:3892
-
C:\Windows\Syswow64\e18defacC:\Windows\Syswow64\e18defac1⤵
- 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:3280
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e18defac
- Size 576KB
- SHA256 b6d607c615af8bdf3d0fda111f7273ea363e39356571281e51b926a00fc8de16
- MD5 6ed5e2a960015563e84d9ca4365f68f9
- SHA1 e16f0caa46fc166a6c8e7bfb93b4e2da32ca429d
- SHA512 93279301ca8782112b1e3b3c7a2d34251cd78c5ffb52adecf83417d833db2f72e7f6bdb45bd51b5eb4c636f06816be12e2ae06269889ee40ad1b3407861bb348
- SSDEEP 12288:PqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:PjHPOSOkx2LFscUQPK
- TLSH T1F7C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH