Analysis
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max time kernel
156s -
max time network
155s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
08-02-2022 01:27
Static task
static1
Behavioral task
behavioral1
Sample
RTK009ENF.js
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
RTK009ENF.js
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
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Target
RTK009ENF.js
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Size
61KB
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MD5
4aeac345ff0d52f7ea2e9a9b9de73cb4
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SHA1
cb3c9866359b2db03f80f9715cc84a3d9e743f12
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SHA256
16ee8787395039445c472df4c45834ac3e6299f753764dbe27b9bc031e383a9b
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SHA512
266a5a3ac9c6c88325f5234ad16918db5b936aeeffed41d003d340a3c24b05974fb78bb7575f00bff50b6d01da2a0b57d548d4bd51b8691540d982249c7bd6c9
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 15 IoCs
Processes:
wscript.exeflow pid process 5 1568 wscript.exe 6 1568 wscript.exe 7 1568 wscript.exe 9 1568 wscript.exe 10 1568 wscript.exe 11 1568 wscript.exe 13 1568 wscript.exe 14 1568 wscript.exe 15 1568 wscript.exe 17 1568 wscript.exe 18 1568 wscript.exe 19 1568 wscript.exe 21 1568 wscript.exe 22 1568 wscript.exe 23 1568 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\RTK009ENF.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RTK009ENF.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\Q0K8KAC1S1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\RTK009ENF.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 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1568 wrote to memory of 1560 1568 wscript.exe schtasks.exe PID 1568 wrote to memory of 1560 1568 wscript.exe schtasks.exe PID 1568 wrote to memory of 1560 1568 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\RTK009ENF.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\RTK009ENF.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/1568-55-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmpFilesize
8KB