Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/04/2026, 10:10
Behavioral task
behavioral1
Sample
bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe
- Size 4.4MB
- Sample260430-l7s97sdt21
- SHA256 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d
- MD5 8150d087e060a53f412d7799fee2c137
- SHA1 0254fea5bb357b6c45b9131e5adf20baf5a370f7
- SHA512 5f8ec777776d596c977c7dfa494d078f163886c876f9ccd0c1c21c49269866bf768124575990d0d4322b5cca02462d95837a289c6a73ba8e0159d62686b60146
- SSDEEP 49152:oTGkQ35QZuTtS0rQMYOQ+q8CEOTG4QwTGHQS9KFeM/:oKkwWsM0r1QnRK4xKH90Fem
- TLSH T194267B12F390C136C4AA473588BB439A6779FD214F2247CB67C477AE2E732C19E35A49
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1044 2e3783d8 - 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 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe Destination IP 4 223.5.5.5 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe Destination IP 26 114.114.114.114 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe Destination IP 27 223.5.5.5 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2e3783d8 File created C:\Windows\SysWOW64\2e3783d8 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2e3783d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2e3783d8 -
resource yara_rule behavioral1/memory/3972-0-0x00000000003A0000-0x0000000000429000-memory.dmp upx behavioral1/files/0x0015000000024164-2.dat upx behavioral1/memory/1044-4-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/memory/3972-12-0x00000000003A0000-0x0000000000429000-memory.dmp upx behavioral1/memory/1044-14-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/memory/3972-32-0x00000000003A0000-0x0000000000429000-memory.dmp upx behavioral1/memory/1044-34-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/memory/1044-52-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/memory/3972-64-0x00000000003A0000-0x0000000000429000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\11dfa8 2e3783d8 File opened for modification C:\Windows\440088 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.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 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2e3783d8 - 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\Content\CachePrefix 2e3783d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2e3783d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2e3783d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2e3783d8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2e3783d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2e3783d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2e3783d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2e3783d8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2e3783d8 - 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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 2e3783d8 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 2e3783d8 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 1044 2e3783d8 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe Token: SeTcbPrivilege 3972 bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe Token: SeDebugPrivilege 1044 2e3783d8 Token: SeTcbPrivilege 1044 2e3783d8
Processes
-
C:\Users\Admin\AppData\Local\Temp\bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.exe"C:\Users\Admin\AppData\Local\Temp\bcc1496ec8b8d242d445c3df672ed5c85562d63e12faa5d056827fa5498c307d.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:3972
-
C:\Windows\Syswow64\2e3783d8C:\Windows\Syswow64\2e3783d81⤵
- 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:1044
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2e3783d8
- Size 4.4MB
- SHA256 b96858973b083c6f968879aa1d4edc9e40a032dfa27af8358b0fc71eaca5a024
- MD5 912cb3d0773a846cbd2cc675bce6223b
- SHA1 02567b61de1b8f41796db44985f5cd1161bec278
- SHA512 d0c900d49e61ccd590ba4b09cbc03b19f19f5833e9139cbee499ddf50b15f0ca7a9b7ba4c0e65de507ace833294783dd435d068c51b7a31bfd25339ef5fd1a9d
- SSDEEP 49152:GTGkQ35QZuTtS0rQMYOQ+q8CEOTG4QwTGHQS9KFeM/:GKkwWsM0r1QnRK4xKH90Fem
- TLSH T1B0267B12F390C136C4AA473588BB439A6779FD214F2247CB67C477AE2E732C19E35A49
- MD5 SHA1 SHA512 SSDEEP TLSH