Analysis
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max time kernel
134s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
12-04-2022 06:08
Static task
static1
Behavioral task
behavioral1
Sample
13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll
Resource
win7-20220331-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll
Resource
win10v2004-20220331-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll
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Size
219KB
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MD5
ecce8845921a91854ab34bff2623151e
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SHA1
736a4cfad1ed83a6a0b75b0474d5e01a3a36f950
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SHA256
13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033
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SHA512
36fda34df70629d054a55823a3cc83f9599446b36576fbc86a6aac6564460789e8b141eeb168d3e4578f28182da874dd840e57b642af1a1a315dfe08a17b53e0
Score
6/10
Malware Config
Signatures
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-1082102374-1487407228-1886994731-1000\desktop.ini rundll32.exe File opened for modification C:\Program Files\desktop.ini rundll32.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: rundll32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 rundll32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\System\Ole DB\sqloledb.rll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat rundll32.exe File opened for modification C:\Program Files\Common Files\System\ado\msadox28.tlb rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InkObj.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\micaut.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe rundll32.exe File opened for modification C:\Program Files\Common Files\System\ado\it-IT\Tmf9B94.tmp rundll32.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\th.txt rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\tipresx.dll.mui rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\cpprestsdk.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipstr.xml rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui rundll32.exe File opened for modification C:\Program Files\Common Files\System\msadc\msadco.dll rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\fa.pak rundll32.exe File opened for modification C:\Program Files\7-Zip\7zG.exe rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\yo.txt rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\ro.pak rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\hr.pak rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms rundll32.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\fr-FR\Tmf9D0B.tmp rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\it.pak rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_kor.xml rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\Tmf924D.tmp rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\tipresx.dll rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\swiftshader\libEGL.dll rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_200_percent.pak rundll32.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\java.exe rundll32.exe File opened for modification C:\Program Files\7-Zip\7z.exe rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\hr.txt rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\Tmf788B.tmp rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml rundll32.exe File opened for modification C:\Program Files\Common Files\Services\verisign.bmp rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\resources.pak rundll32.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcp140.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\nacl_irt_x86_64.nexe rundll32.exe File opened for modification C:\Program Files\Internet Explorer\IEShims.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.el-gr.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RCom.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml rundll32.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui rundll32.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\sl.pak rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ko-kr.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\Tmf92CA.tmp rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Locales\lt.pak rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.en-us.dll rundll32.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll rundll32.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4764 wrote to memory of 1092 4764 rundll32.exe 81 PID 4764 wrote to memory of 1092 4764 rundll32.exe 81 PID 4764 wrote to memory of 1092 4764 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\13037b749aa4b1eda538fda26d6ac41c8f7b1d02d83f47b0d187dd645154e033.dll,#12⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:1092
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