Analysis
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max time kernel
117s -
max time network
120s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
19-07-2021 22:03
Static task
static1
Behavioral task
behavioral1
Sample
ZW9HA3OKMA.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ZW9HA3OKMA.js
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
ZW9HA3OKMA.js
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Size
9KB
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MD5
b12f18bbf06a2ef14d44e718e59c10c9
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SHA1
f59ddd62f47020de9e61d9fb06ae9cbe6a51c583
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SHA256
2e59b22f26362321a0e7e3e5608108eaa4a78c31f2c09990ec8d468e38061326
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SHA512
03a11689b7bf71e736d622c6648a1e236e3849bce0dd9e55ba66047a9972e0a7110a07afb50f2c48336b5424baee5ca2fd15288f07a027307dd4844a4c3274fc
Score
10/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
wscript.exeflow pid process 7 772 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\ZW9HA3OKMA.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ZW9HA3OKMA.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
wscript.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\OXKHGDB6LZ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ZW9HA3OKMA.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run 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 772 wrote to memory of 2396 772 wscript.exe schtasks.exe PID 772 wrote to memory of 2396 772 wscript.exe schtasks.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ZW9HA3OKMA.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\ZW9HA3OKMA.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/2396-114-0x0000000000000000-mapping.dmp