Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/08/2026, 16:03
Behavioral task
behavioral1
Sample
b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe
- Size 576KB
- Sample260822-thrdbafe54
- SHA256 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472
- MD5 c8e9bdb76b312e6e28b0cdba36a03b6e
- SHA1 59b7e7d67ef4446bed71c9339438d4480d5d3d31
- SHA512 7f6cebfc4577948d245df6f184637e828b346f1d6487c6014c6d165bcc8157e91f3680f3364661b239e97ab4521c88e9534d76c5839ef6c2a507631c96d0526d
- SSDEEP 12288:SqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:SjHPOSOkx2LFscUQPK
- TLSH T196C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 640 1d714dba - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 100 114.114.114.114 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 101 223.5.5.5 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 3 114.114.114.114 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 6 223.5.5.5 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 30 114.114.114.114 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Destination IP 32 223.5.5.5 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1d714dba File created C:\Windows\SysWOW64\1d714dba b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1d714dba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1d714dba -
resource yara_rule behavioral1/memory/3056-0-0x0000000000CC0000-0x0000000000D49000-memory.dmp upx behavioral1/files/0x000c0000000242e1-2.dat upx behavioral1/memory/640-4-0x0000000000470000-0x00000000004F9000-memory.dmp upx behavioral1/memory/3056-16-0x0000000000CC0000-0x0000000000D49000-memory.dmp upx behavioral1/memory/640-18-0x0000000000470000-0x00000000004F9000-memory.dmp upx behavioral1/memory/640-22-0x0000000000470000-0x00000000004F9000-memory.dmp upx behavioral1/memory/3056-33-0x0000000000CC0000-0x0000000000D49000-memory.dmp upx behavioral1/memory/640-34-0x0000000000470000-0x00000000004F9000-memory.dmp upx behavioral1/memory/3056-41-0x0000000000CC0000-0x0000000000D49000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3451e0 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe File opened for modification C:\Windows\af500 1d714dba - 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 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1d714dba - 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 1d714dba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1d714dba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1d714dba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1d714dba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1d714dba Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1d714dba Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1d714dba Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1d714dba Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1d714dba - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 640 1d714dba 640 1d714dba 640 1d714dba 640 1d714dba 640 1d714dba 640 1d714dba 640 1d714dba 640 1d714dba 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Token: SeTcbPrivilege 3056 b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe Token: SeDebugPrivilege 640 1d714dba Token: SeTcbPrivilege 640 1d714dba
Processes
-
C:\Users\Admin\AppData\Local\Temp\b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.exe"C:\Users\Admin\AppData\Local\Temp\b8ddf24641e51c9c95175abe484db0a5a53275c42e264e3a4ff8525bd8a27472.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:3056
-
C:\Windows\Syswow64\1d714dbaC:\Windows\Syswow64\1d714dba1⤵
- 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:640
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1d714dba
- Size 576KB
- SHA256 bafece8299228a94ec97a315a6cf43c68806520f853cd3ed0ab70d6fff6a21e0
- MD5 5e5ea37d1cb12444a5994185eb7b56ae
- SHA1 fd3f6c120c82221982f5f3b0e75536c6c05c9957
- SHA512 f699f3e94d52abed6b388bdfb4ae197d2cb75e2118024fba033865fe9c42119343dc4a887ac0db76d54834f798ac0a047aa1b6704d70fe51b549932c76700ec8
- SSDEEP 12288:wqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:wjHPOSOkx2LFscUQPK
- TLSH T176C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH