Analysis
- max time kernel
149s - max time network
144s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 22:31
Behavioral task
behavioral1
Sample
3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe
- Size 1.4MB
- Sample260426-2fnteaby5m
- SHA256 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997
- MD5 86888c6254d772b811c7c3f05f7a58a2
- SHA1 aa7e0b4ac9947bef9b7b85d4a0b4ec3cc419a738
- SHA512 fe62efc195272ec422a60dae8cbdedc4b64826ab579fd1285811d54fceefac5daba29ea10a967d48edeff13c677d99277161b9213a8c6a8bb4d9be4a959f6ae1
- SSDEEP 24576:9jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:9TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T156658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1444 16df18d0 - 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 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe Destination IP 2 223.5.5.5 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe Destination IP 8 114.114.114.114 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe Destination IP 9 223.5.5.5 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 16df18d0 File created C:\Windows\SysWOW64\16df18d0 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 16df18d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 16df18d0 -
resource yara_rule behavioral2/memory/3716-0-0x0000000000050000-0x00000000000D9000-memory.dmp upx behavioral2/files/0x002c00000000ba12-2.dat upx behavioral2/memory/1444-4-0x00000000003A0000-0x0000000000429000-memory.dmp upx behavioral2/memory/3716-10-0x0000000000050000-0x00000000000D9000-memory.dmp upx behavioral2/memory/1444-12-0x00000000003A0000-0x0000000000429000-memory.dmp upx behavioral2/memory/3716-29-0x0000000000050000-0x00000000000D9000-memory.dmp upx behavioral2/memory/1444-31-0x00000000003A0000-0x0000000000429000-memory.dmp upx behavioral2/memory/3716-68-0x0000000000050000-0x00000000000D9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3f9e88 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe File opened for modification C:\Windows\18b8c8 16df18d0 - 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 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 16df18d0 - 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" 16df18d0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 16df18d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 16df18d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 16df18d0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 16df18d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 16df18d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 16df18d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 16df18d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 16df18d0 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 16df18d0 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 16df18d0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1444 16df18d0 1444 16df18d0 1444 16df18d0 1444 16df18d0 1444 16df18d0 1444 16df18d0 1444 16df18d0 1444 16df18d0 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe Token: SeTcbPrivilege 3716 3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe Token: SeDebugPrivilege 1444 16df18d0 Token: SeTcbPrivilege 1444 16df18d0
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.exe"C:\Users\Admin\AppData\Local\Temp\3a3012a51021398d7f7665219e801a3aa58c7244fcaba9bca0c8da1a8aba6997.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:3716
-
C:\Windows\Syswow64\16df18d0C:\Windows\Syswow64\16df18d01⤵
- 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:1444
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\16df18d0
- Size 1.4MB
- SHA256 4adafca6649ccd4bc17fec9f7b64828da9223cb6cc31dcb4e50ccd03505a7ef1
- MD5 24de32e32c3e2cabb1050e9d87d9ee41
- SHA1 039f93664e777978eff547834bd3c0a18bf3f237
- SHA512 3f0b75308c3671af89e650b3648c1f516bab9d4f1567643e20f2f8cb427cb5656379efe5bf81e1525bb961ec8f18acdf8da25d7a2b1c63e4e4879af0d91d3f71
- SSDEEP 24576:LjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:LTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T11E658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH