Analysis
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max time kernel
38s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 19:56
Static task
static1
Behavioral task
behavioral1
Sample
5037565d01bb241b223cbac1c00138a15815c6346f9c39a2ce5a7de24e2986b0.dll
Resource
win7-20220812-en
windows7-x64
3 signatures
150 seconds
General
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Target
5037565d01bb241b223cbac1c00138a15815c6346f9c39a2ce5a7de24e2986b0.dll
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Size
92KB
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MD5
5e4d640448f0aa9a4de7dbc62650ef00
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SHA1
eed28700ef655dfeb1cc059ee19cd042bae770f9
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SHA256
5037565d01bb241b223cbac1c00138a15815c6346f9c39a2ce5a7de24e2986b0
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SHA512
c9a3b05a9ed21aa98b638b837448c51e76558e8e810f99cdca69938324b4d2f87c44c64425f98e162b7955a8df250c7fc3d168f4603a9da030aaf04e69923c5d
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SSDEEP
1536:nF02xfJf2xmsxkDzn0vRLkcHcEgIMICBRtLa3YwsWv54orpk9B2vVm+gM6/WMN4h:nfoxmsxe0v5kc8pJnRpaIHWv5Zvr
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{13693ADD-75F3-8D79-7E30-0597C37CE8FB} regsvr32.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13693ADD-75F3-8D79-7E30-0597C37CE8FB}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13693ADD-75F3-8D79-7E30-0597C37CE8FB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13693ADD-75F3-8D79-7E30-0597C37CE8FB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5037565d01bb241b223cbac1c00138a15815c6346f9c39a2ce5a7de24e2986b0.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{13693ADD-75F3-8D79-7E30-0597C37CE8FB}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 584 wrote to memory of 1788 584 regsvr32.exe 28 PID 584 wrote to memory of 1788 584 regsvr32.exe 28 PID 584 wrote to memory of 1788 584 regsvr32.exe 28 PID 584 wrote to memory of 1788 584 regsvr32.exe 28 PID 584 wrote to memory of 1788 584 regsvr32.exe 28 PID 584 wrote to memory of 1788 584 regsvr32.exe 28 PID 584 wrote to memory of 1788 584 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5037565d01bb241b223cbac1c00138a15815c6346f9c39a2ce5a7de24e2986b0.dll1⤵
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5037565d01bb241b223cbac1c00138a15815c6346f9c39a2ce5a7de24e2986b0.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1788
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