Analysis
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max time kernel
45s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
14-11-2022 18:54
Static task
static1
Behavioral task
behavioral1
Sample
pss10r.chm
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
pss10r.chm
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
run.cmd
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
run.cmd
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
ver123.dll
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
ver123.dll
Resource
win10v2004-20220901-en
General
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Target
pss10r.chm
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Size
392KB
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MD5
20fbaccd2166d324d53948e87fe15c26
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SHA1
5b022b124335d837ada79b093e807a2dbdc6fd0d
-
SHA256
e6c58b329804c30442be8159296b54b612c32b038d826d7e2cb058042d9aa852
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SHA512
4020dbcdc49b92b771b0d71c5e62e28def9196643c495bcb12fa91b367669d2df6075b79a6f70ed9c91e027de3d91a8c1d572c3ee740a4d53ba67b2b1a2af0df
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SSDEEP
6144:MWDGvSvzMJP0MFNZQFsI5w3IohQsEuzzH1Skh3j/A4FCR4CKK3xhk8:MQGabxkvqw3BAeH1SkdIyazHhk8
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
hh.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main hh.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
hh.exepid process 1324 hh.exe 1324 hh.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
hh.execmd.exedescription pid process target process PID 1324 wrote to memory of 856 1324 hh.exe cmd.exe PID 1324 wrote to memory of 856 1324 hh.exe cmd.exe PID 1324 wrote to memory of 856 1324 hh.exe cmd.exe PID 856 wrote to memory of 1740 856 cmd.exe mshta.exe PID 856 wrote to memory of 1740 856 cmd.exe mshta.exe PID 856 wrote to memory of 1740 856 cmd.exe mshta.exe
Processes
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C:\Windows\hh.exe"C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\pss10r.chm1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start/min mshta %CD%\pss10r.chm2⤵
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows\system32\mshta.exemshta C:\Users\Admin\AppData\Local\Temp\pss10r.chm3⤵PID:1740