Analysis
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max time kernel
32s -
max time network
141s -
platform
windows7_x64 -
resource
win7-en-20211104 -
submitted
07/12/2021, 14:07
Static task
static1
Behavioral task
behavioral1
Sample
SHIPMENTDOCUMENTS PDF.js
Resource
win7-en-20211104
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SHIPMENTDOCUMENTS PDF.js
Resource
win10-en-20211014
0 signatures
0 seconds
General
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Target
SHIPMENTDOCUMENTS PDF.js
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Size
531KB
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MD5
cf4ec0d22c787775c9f46dd0fe19da33
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SHA1
f0379f9363c0c9955d9b71064a2879fd6b1cff5c
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SHA256
c399dbe473150a5d2a9d3676d81971de66f2daf5360d2be26e62b5533c4fcbad
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SHA512
7248e804832f6eb2fb13e73af73a41a695fa131d239ce2b5aa3495858bd387053569e1d1a0e530a1e4f1a949a7c87e0995ad9443b9e2ec49d9a09889e8ccbb1f
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 11 1632 WScript.exe 14 1632 WScript.exe 15 1632 WScript.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IwhBHZSsWd.js WScript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IwhBHZSsWd.js WScript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bkoqhlyydh.txt java.exe -
Loads dropped DLL 1 IoCs
pid Process 1376 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\IwhBHZSsWd.js\"" WScript.exe Key created \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run WScript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1972 schtasks.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1620 wrote to memory of 1632 1620 wscript.exe 28 PID 1620 wrote to memory of 1632 1620 wscript.exe 28 PID 1620 wrote to memory of 1632 1620 wscript.exe 28 PID 1620 wrote to memory of 688 1620 wscript.exe 29 PID 1620 wrote to memory of 688 1620 wscript.exe 29 PID 1620 wrote to memory of 688 1620 wscript.exe 29 PID 688 wrote to memory of 1376 688 javaw.exe 34 PID 688 wrote to memory of 1376 688 javaw.exe 34 PID 688 wrote to memory of 1376 688 javaw.exe 34
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\SHIPMENTDOCUMENTS PDF.js"1⤵
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\IwhBHZSsWd.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1632
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C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\bkoqhlyydh.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\bkoqhlyydh.txt"3⤵
- Drops startup file
- Loads dropped DLL
PID:1376 -
C:\Program Files\Java\jre7\bin\java.exe"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\bkoqhlyydh.txt"4⤵PID:1456
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C:\Windows\system32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bkoqhlyydh.txt"4⤵PID:1280
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C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bkoqhlyydh.txt"5⤵
- Creates scheduled task(s)
PID:1972
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