Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/07/2026, 05:09
Behavioral task
behavioral1
Sample
beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe
- Size 761KB
- Sample260730-ftmbvacb68
- SHA256 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a
- MD5 a69f5bed37cc9039e58138de8bc188be
- SHA1 08074241b2499a746ebcebcb68c8f04febff6589
- SHA512 6b65dcbc7218e084fa320dc15f5e8b0355af9fa9d5ee3fb09dce8e4721993231e668d8556be945beaeb8063097f6a2fb18513559760014b56b6aa6c6f68836d1
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:vvO2xJKRw2kOkxSkW298B
- TLSH T1F9F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2008 88270a00 - 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 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Destination IP 4 223.5.5.5 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Destination IP 36 114.114.114.114 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Destination IP 37 223.5.5.5 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 88270a00 File created C:\Windows\SysWOW64\88270a00 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 88270a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 88270a00 -
resource yara_rule behavioral1/memory/3944-0-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral1/files/0x000a000000024381-2.dat upx behavioral1/memory/2008-4-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral1/memory/3944-10-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral1/memory/2008-11-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral1/memory/2008-28-0x00000000005E0000-0x000000000066C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2260b0 88270a00 File opened for modification C:\Windows\4385d0 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.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 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 88270a00 - 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 88270a00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 88270a00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 88270a00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 88270a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 88270a00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 88270a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 88270a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 88270a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 88270a00 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2008 88270a00 2008 88270a00 2008 88270a00 2008 88270a00 2008 88270a00 2008 88270a00 2008 88270a00 2008 88270a00 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Token: SeTcbPrivilege 3944 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Token: SeDebugPrivilege 2008 88270a00 Token: SeTcbPrivilege 2008 88270a00
Processes
-
C:\Users\Admin\AppData\Local\Temp\beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe"C:\Users\Admin\AppData\Local\Temp\beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.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:3944
-
C:\Windows\Syswow64\88270a00C:\Windows\Syswow64\88270a001⤵
- 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:2008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\88270a00
- Size 761KB
- SHA256 1334609746077330f5676ab095650723414d4a685efa3b9b2aec5db4eb5b1a77
- MD5 0dc6ccd73de290dbdd80f38cc1eed384
- SHA1 1cf91d3e3918762e2c2a363bc46b699f3df33ed8
- SHA512 3f3a837d0974a2356323c8c2590ecf42d43ed202155269827ac786a641332fa0f1b9985d34847f3845f665b177533c98704c937c59c522eb0da969db7af85c54
- SSDEEP 12288:bSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:uvO2xJKRw2kOkxSkW298B
- TLSH T189F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH