Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 5612 4816491c - 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 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Destination IP 2 223.5.5.5 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Destination IP 18 114.114.114.114 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Destination IP 19 223.5.5.5 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4816491c File created C:\Windows\SysWOW64\4816491c beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4816491c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4816491c -
resource yara_rule behavioral2/memory/2128-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/files/0x000700000001b871-2.dat upx behavioral2/memory/5612-3-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/memory/2128-10-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/5612-11-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/memory/5612-34-0x0000000000240000-0x00000000002CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\601458 4816491c File opened for modification C:\Windows\246ea0 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 4816491c Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe - 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 4816491c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4816491c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4816491c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4816491c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4816491c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4816491c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4816491c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4816491c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4816491c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5612 4816491c 5612 4816491c 5612 4816491c 5612 4816491c 5612 4816491c 5612 4816491c 5612 4816491c 5612 4816491c 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Token: SeTcbPrivilege 2128 beccb615000be76e98ef3a2f5c4845d0b0c24012a843815d712d7b989d74fe0a.exe Token: SeDebugPrivilege 5612 4816491c Token: SeTcbPrivilege 5612 4816491c
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:2128
-
C:\Windows\Syswow64\4816491cC:\Windows\Syswow64\4816491c1⤵
- 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:5612
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4816491c
- Size 761KB
- SHA256 26876765a9e6ab3e14fba4cd1ff7784cdcd3961f0f227266959428b3f5b85a01
- MD5 a77ba2566bf83cd3d1464168f91cfb9a
- SHA1 088f2ae1160fc19fc3c76393661138293943d655
- SHA512 a0134cbe48fe4c0e76d2b5bfccc3c274ae27d93a59cbd46436cf7a6db30b827dc7ee75911f8809c6faba98f8c92a99345f9a98a5e1c6e7d51452409487279c09
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:wvO2xJKRw2kOkxSkW298B
- TLSH T117F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH