Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/05/2026, 19:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe
- Size 511KB
- Sample260508-yk9d5agy6n
- SHA256 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf
- MD5 2e4d768e880ea0033f4ec6ecaed64e27
- SHA1 f2196d7f7f8b5cddbe44d3b1b1e5cedaa1dc6b8b
- SHA512 29f4f7206ce55d6079035a6d84121e0f66e24bc4e77d35d41bb54513559c4f217981b1ff488bb6de00354ba691567f18028a6a4790ef3a6d2c9df08f3d9d627a
- SSDEEP 6144:hcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOax5Rv0:hSvO2x9mONvKRILSFnOkx2LIax5F0
- TLSH T19EB45C26F6908036C4B34575C5F64BAAFAB4BC21631156CBA3943A6A1F737D2BD3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4304 e43e398a - 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 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe Destination IP 2 223.5.5.5 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe Destination IP 9 114.114.114.114 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe Destination IP 11 223.5.5.5 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe - Drops file in System32 directory 19 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C e43e398a File created C:\Windows\SysWOW64\e43e398a 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e43e398a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e43e398a - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\49afa0 e43e398a File opened for modification C:\Windows\534600 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.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 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e43e398a - 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\Cookies\CachePrefix = "Cookie:" e43e398a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e43e398a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e43e398a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e43e398a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e43e398a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e43e398a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e43e398a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e43e398a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e43e398a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4304 e43e398a 4304 e43e398a 4304 e43e398a 4304 e43e398a 4304 e43e398a 4304 e43e398a 4304 e43e398a 4304 e43e398a 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe Token: SeTcbPrivilege 4864 021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe Token: SeDebugPrivilege 4304 e43e398a Token: SeTcbPrivilege 4304 e43e398a
Processes
-
C:\Users\Admin\AppData\Local\Temp\021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.exe"C:\Users\Admin\AppData\Local\Temp\021b1283b990c39ca7497e233c8c7c0dca05552ec64768914e7691892e810fbf.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:4864
-
C:\Windows\Syswow64\e43e398aC:\Windows\Syswow64\e43e398a1⤵
- 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:4304
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e43e398a
- Size 511KB
- SHA256 e2d46f80825d1d508cada6f05599103706b84a6fd22818c060a1aa04fe0157e0
- MD5 638cf5af1e9a0963c0dc22d9985d9428
- SHA1 073ecf4e18af6eff25fc141ef5d3a6d6f042de06
- SHA512 22c831c36e7f381e02074b31226ef15571f47fb13e9268990acc98a31281acfb189dbdb0110bffbf6198cbf03d0ac895aae95b84cb80f57f3bc3101eae7c7984
- SSDEEP 6144:1cTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOax5Rv0:1SvO2x9mONvKRILSFnOkx2LIax5F0
- TLSH T1A0B45C26F6908036C4B34575C5F64BAAFAB4BC21631156CBA3943A6A1F737D2BD3130E
- MD5 SHA1 SHA512 SSDEEP TLSH