Analysis
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max time kernel
143s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
19-04-2021 06:17
Static task
static1
Behavioral task
behavioral1
Sample
RFQ.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
RFQ.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
RFQ.js
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Size
3KB
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MD5
f68bfaf10007b75b933c2a2acab4d54c
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SHA1
7cabe5b37ea9d22450e80d41378c5e8eefa7eea5
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SHA256
a89127ec0c19df41166916cfa4c199d97eade3ec4f0cf4d2281408cfe2790c2a
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SHA512
7ea74f93293e6171338e896243e2ecb696c6b4fbd7cfeffba6e0312a4b8c3789a949e9a0e4e8a566f946d36ebaad59d8477fcaf7681e91b9cc399ff865219a8d
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 6 3236 wscript.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RFQ.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RFQ.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\U1FBR8C2J2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RFQ.js\"" 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.
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Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid process target process PID 3236 wrote to memory of 992 3236 wscript.exe schtasks.exe PID 3236 wrote to memory of 992 3236 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\RFQ.js1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\RFQ.js2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/992-114-0x0000000000000000-mapping.dmp