Analysis
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max time kernel
151s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
20-01-2022 19:03
Static task
static1
Behavioral task
behavioral1
Sample
e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556.bin
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556.bin
Resource
win10v2004-en-20220113
General
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Target
e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556.bin
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Size
1.8MB
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MD5
0f933d57cd4c5f5d8717eb126a99ece6
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SHA1
fd0d6046d6e3096bd38df9aa539d4b5502db9f85
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SHA256
e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556
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SHA512
55f10ab01700c730c387bff4d3ba94c55f62c8d8d95354ebcb2b4b9a685770a18294883d86ee5f4d89237448b1c3451453e88b729542e264c6961d4c9369c7b5
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.
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Modifies registry class 10 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\bin_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\bin_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.bin rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\.bin\ = "bin_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\bin_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\bin_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\bin_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1392 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1392 AcroRd32.exe 1392 AcroRd32.exe 1392 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1368 wrote to memory of 552 1368 cmd.exe 28 PID 1368 wrote to memory of 552 1368 cmd.exe 28 PID 1368 wrote to memory of 552 1368 cmd.exe 28 PID 552 wrote to memory of 1392 552 rundll32.exe 29 PID 552 wrote to memory of 1392 552 rundll32.exe 29 PID 552 wrote to memory of 1392 552 rundll32.exe 29 PID 552 wrote to memory of 1392 552 rundll32.exe 29
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556.bin1⤵
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556.bin2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\e7060538ee4b48b0b975c8928c617f218703dab7aa7814ce97481596f2a78556.bin"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1392
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