Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-03-2022 17:40
Static task
static1
Behavioral task
behavioral1
Sample
receipt.js
Resource
win7-20220310-en
Behavioral task
behavioral2
Sample
receipt.js
Resource
win10v2004-en-20220113
General
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Target
receipt.js
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Size
66KB
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MD5
97dca8a40e40a71719b53c1f2d1aa1ef
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SHA1
1527242f0615a962d4987aa4a5f3f3c356579196
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SHA256
3be7dd44f3dd4e96f34da6bfec722fdeb5f1c7220bc11bb709825a07e6294c6e
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SHA512
9fd75526f17448b01f45f60842bfb060a797507adad20b0d2f5dd162e1a6a37949a43b89fdbddedf91c2db9f8c3e9f2dfe08dd35971bedc7e26fd05dfbdf3f6e
Malware Config
Extracted
vjw0rm
http://zeegod.duckdns.org:9998
Signatures
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Blocklisted process makes network request 17 IoCs
Processes:
wscript.exewscript.exeflow pid process 9 2364 wscript.exe 10 1660 wscript.exe 17 2364 wscript.exe 21 2364 wscript.exe 30 2364 wscript.exe 31 2364 wscript.exe 32 2364 wscript.exe 35 2364 wscript.exe 38 2364 wscript.exe 39 2364 wscript.exe 40 2364 wscript.exe 41 2364 wscript.exe 42 2364 wscript.exe 43 2364 wscript.exe 44 2364 wscript.exe 48 2364 wscript.exe 49 2364 wscript.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 3 IoCs
Processes:
wscript.exewscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wnVneYztZf.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wnVneYztZf.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\receipt.js wscript.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
wscript.exewscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\00FAYTSXGU = "\"C:\\Users\\Admin\\AppData\\Roaming\\wnVneYztZf.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YSAGQWKNY8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt.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 4 IoCs
Processes:
wscript.exedescription pid process target process PID 1660 wrote to memory of 2364 1660 wscript.exe wscript.exe PID 1660 wrote to memory of 2364 1660 wscript.exe wscript.exe PID 1660 wrote to memory of 436 1660 wscript.exe schtasks.exe PID 1660 wrote to memory of 436 1660 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\receipt.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\wnVneYztZf.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2364 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\receipt.js2⤵
- Creates scheduled task(s)
PID:436
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\wnVneYztZf.jsMD5
eaa8511b7082f30b4a6e46702014f014
SHA1dbc2dfad64e5f7b00492743f706fddeed984fd9b
SHA256545360cb2972730fa0cdcd01b56deab97cdbe4a113b626962ab20877c79586d2
SHA51217cf9357656987f5c9595c8157cad0b864a836a2cf910bdaf67f1468838fff42fedde1cfe419487d177f9ef472d88a72378300230d6b2deb2cb56a6bc9d7c9f2