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
31/07/2026, 06:38
Behavioral task
behavioral1
Sample
33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe
- Size 576KB
- Sample260731-hd3d8sec22
- SHA256 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205
- MD5 3863cf8d2843753967b095f6a3ea241c
- SHA1 74fdc8c0cff5c331e61b17df19024d7b20218a80
- SHA512 cb3032ba636807b19558d27699b53baa94f52d40fae9d342bb383918f62720172723fbf1a9381c799bec7d1b9af8c0ef1c2febf1c1fbf790bfd1538311e4b7bc
- SSDEEP 12288:JqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:JjHPOSOkx2LFscUQPK
- TLSH T1BBC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4364 1c871d08 - 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 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe Destination IP 6 223.5.5.5 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe Destination IP 26 114.114.114.114 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe Destination IP 27 223.5.5.5 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 1c871d08 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c871d08 File created C:\Windows\SysWOW64\1c871d08 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1c871d08 -
resource yara_rule behavioral1/memory/4356-0-0x0000000000E70000-0x0000000000EF9000-memory.dmp upx behavioral1/memory/4364-3-0x0000000000F90000-0x0000000001019000-memory.dmp upx behavioral1/files/0x000800000002453d-4.dat upx behavioral1/memory/4356-10-0x0000000000E70000-0x0000000000EF9000-memory.dmp upx behavioral1/memory/4364-12-0x0000000000F90000-0x0000000001019000-memory.dmp upx behavioral1/memory/4356-26-0x0000000000E70000-0x0000000000EF9000-memory.dmp upx behavioral1/memory/4364-27-0x0000000000F90000-0x0000000001019000-memory.dmp upx behavioral1/memory/4356-49-0x0000000000E70000-0x0000000000EF9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ab698 1c871d08 File opened for modification C:\Windows\4a9388 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.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 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c871d08 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1c871d08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1c871d08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1c871d08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1c871d08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1c871d08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1c871d08 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1c871d08 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1c871d08 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1c871d08 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 1c871d08 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 1c871d08 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4364 1c871d08 4364 1c871d08 4364 1c871d08 4364 1c871d08 4364 1c871d08 4364 1c871d08 4364 1c871d08 4364 1c871d08 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe Token: SeTcbPrivilege 4356 33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe Token: SeDebugPrivilege 4364 1c871d08 Token: SeTcbPrivilege 4364 1c871d08
Processes
-
C:\Users\Admin\AppData\Local\Temp\33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.exe"C:\Users\Admin\AppData\Local\Temp\33381802dc8cb1a4b80acff0200db0773be1fd14b9067e1fd75fb9f447a80205.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:4356
-
C:\Windows\Syswow64\1c871d08C:\Windows\Syswow64\1c871d081⤵
- 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:4364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1c871d08
- Size 576KB
- SHA256 08ec695302e9c6c259230edc8ada6df02f12e6f112402ae6bafe93ac9deaea06
- MD5 5499557ea86a61dc28e29c8b5e09215f
- SHA1 bdac1bb8bf30de90badd0589933cc3073dc0c10d
- SHA512 d4284f5e86523c7e0dcd86e6617b655e2c52d8b4ea9e535d908942640e2788948762834067644c4c3b59e9c1789a63c08556819288062454040e1605fe601e00
- SSDEEP 12288:UqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:UjHPOSOkx2LFscUQPK
- TLSH T1F7C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH