Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
29-06-2022 07:57
Static task
static1
Behavioral task
behavioral1
Sample
receipt#.js
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
receipt#.js
Resource
win10v2004-20220414-en
General
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Target
receipt#.js
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Size
43KB
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MD5
c2fccb1379ea9c93fa035c236c0d0627
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SHA1
4fb24cde2f2879dfc0ca43ca2c2e42af8efcf7da
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SHA256
27026383c0fbcc79e6eacfb629b41261afac694e69fa67749ab2d0d1a6493d2b
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SHA512
dc0963d8a2fe131eccc800ea5a88cbd85aa6473c6080544cebde819e6cb8ad8e99387f604c2e2d9cb6bea086a01705e3230ce5cb09878dff0840cf3b766e0ee2
Malware Config
Extracted
vjw0rm
http://zeegod.duckdns.org:9004
http://paypalintelsassistant.duia.ro:8153
Signatures
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Blocklisted process makes network request 20 IoCs
Processes:
wscript.exewscript.exeflow pid process 6 1324 wscript.exe 7 1208 wscript.exe 8 1324 wscript.exe 10 1324 wscript.exe 12 1324 wscript.exe 14 1324 wscript.exe 17 1324 wscript.exe 20 1324 wscript.exe 21 1324 wscript.exe 23 1324 wscript.exe 26 1324 wscript.exe 27 1324 wscript.exe 29 1324 wscript.exe 32 1324 wscript.exe 34 1324 wscript.exe 35 1324 wscript.exe 38 1324 wscript.exe 39 1324 wscript.exe 41 1324 wscript.exe 44 1324 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\receipt#.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PLgBtFniEj.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PLgBtFniEj.js wscript.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
wscript.exewscript.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\KYXNMD0WI5 = "\"C:\\Users\\Admin\\receipt#.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\PLgBtFniEj.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 6 IoCs
Processes:
wscript.exedescription pid process target process PID 1208 wrote to memory of 1324 1208 wscript.exe wscript.exe PID 1208 wrote to memory of 1324 1208 wscript.exe wscript.exe PID 1208 wrote to memory of 1324 1208 wscript.exe wscript.exe PID 1208 wrote to memory of 592 1208 wscript.exe schtasks.exe PID 1208 wrote to memory of 592 1208 wscript.exe schtasks.exe PID 1208 wrote to memory of 592 1208 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
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PLgBtFniEj.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
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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\receipt#.js2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\PLgBtFniEj.jsFilesize
15KB
MD5f57b49d4468a8fbf4d775b1e7b86bac6
SHA15722a00fd5290541667c7c49fd11fa9efe739ebb
SHA25612c555961758332d34fe96bed18ca34aeffa81d64dfa651825ce505d36a92f73
SHA5124187de1abc4991d1ec8982c755b7d3dfdc032e884a1196d38d8be4f26c97ae51ff721867f7ac1ed72302c3833b1787d5685b9163b0a34b7917a4178d898e13ca
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memory/592-58-0x0000000000000000-mapping.dmp
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memory/1208-54-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmpFilesize
8KB
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memory/1324-55-0x0000000000000000-mapping.dmp