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Analysis
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max time kernel
46s -
max time network
53s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 17:44
Behavioral task
behavioral1
Sample
78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Resource
win10v2004-20220901-en
General
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Target
78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
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Size
153KB
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MD5
5252049a47cabe2c8dfd2c2e72f0fcdb
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SHA1
d24a8c4073fd31b92ab16226e1e1b6f5030e27b8
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SHA256
78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876
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SHA512
be90136c134aa7d11a607506632c079120269a6359fba2ce2af07be2c2c802d3b42bfea660b8c369c184c1832a65ab5fcb3c6c5e8ccc3d6a4b9fca210efae5a3
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SSDEEP
3072:aOLwcnNj/z/xWikNES6et+lkWz1Rs3PYlNduFk2LOfauwN3V:aOLwcnNrzm0eWQ3YnuFkq6aDV
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1552-55-0x0000000001000000-0x000000000104F000-memory.dmp upx behavioral1/memory/1552-57-0x0000000001000000-0x000000000104F000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\alg.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\SysWOW64\svchost.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File created \??\c:\windows\SysWOW64\svchost.vir 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\SysWOW64\dllhost.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File created \??\c:\windows\SysWOW64\dllhost.vir 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\SysWOW64\lsass.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe -
Drops file in Windows directory 9 IoCs
description ioc Process File opened for modification \??\c:\windows\microsoft.net\framework64\v4.0.30319\mscorsvw.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\ehome\ehrecvr.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File created C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{5D0224D0-7E48-46A4-A68E-76F39EBC51DB}.crmlog dllhost.exe File opened for modification \??\c:\windows\ehome\ehsched.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\microsoft.net\framework64\v4.0.30319\aspnet_state.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\microsoft.net\framework\v2.0.50727\mscorsvw.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\microsoft.net\framework64\v2.0.50727\mscorsvw.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification \??\c:\windows\microsoft.net\framework\v4.0.30319\mscorsvw.exe 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe File opened for modification C:\Windows\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{5D0224D0-7E48-46A4-A68E-76F39EBC51DB}.crmlog dllhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 12 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard\Extension = ".vcf" 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vcf 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\ = "vcard_wab_auto_file" 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vcf\Content Type = "text/x-vcard" 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\ = "vCard File" 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\shell\open\command\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\" /vcard %1" 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\vcard_wab_auto_file\DefaultIcon\ = "\"C:\\Program Files (x86)\\Windows Mail\\wab.exe\",1" 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wab 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/x-vcard 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 1552 78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe"C:\Users\Admin\AppData\Local\Temp\78f3ada42dfe16e2f1e742e2851465a7916060f6b0cbd7981366bf142f424876.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1552
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C:\Windows\system32\dllhost.exeC:\Windows\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}1⤵
- Drops file in Windows directory
PID:280