Analysis
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max time kernel
101s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
03-06-2021 17:00
Static task
static1
Behavioral task
behavioral1
Sample
D939065332_Invoice.js
Resource
win7v20210410
Behavioral task
behavioral2
Sample
D939065332_Invoice.js
Resource
win10v20210408
General
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Target
D939065332_Invoice.js
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Size
3KB
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MD5
d4de5dc8ff47ccb10f1465c056da29b7
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SHA1
df833e94a7e8613fbbce2b0bb21a0a0176a72371
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SHA256
5491810d64aecff4eb29aa664014704c1cf3687868629ad9156bed5923d5e358
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SHA512
8c2a199cbb6f86b694805df1af8dfa5c666d3cfd280af7d7a853f15babee3a33efc417669cd2e15b354649b631a22507c97a9bfbc4c89ea92d3fdc461bf8c318
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 9 4024 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\D939065332_Invoice.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\D939065332_Invoice.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\UKRZWF15HK = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\D939065332_Invoice.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 4024 wrote to memory of 1596 4024 wscript.exe schtasks.exe PID 4024 wrote to memory of 1596 4024 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\D939065332_Invoice.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\D939065332_Invoice.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/1596-114-0x0000000000000000-mapping.dmp