Analysis
-
max time kernel
140s -
max time network
185s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
04-06-2021 08:06
Static task
static1
Behavioral task
behavioral1
Sample
Colis_FR-02155J12201.js
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
-
Target
Colis_FR-02155J12201.js
-
Size
959KB
-
MD5
c0c8a352c2910ffc568267e0ebdbeb4b
-
SHA1
bf32d068e402d356fb9a23606bcf8b6fbbf3684e
-
SHA256
4102440807529ce4a589a431070588adb2c6fc9df95f8a4f3323b0e89b3a42f8
-
SHA512
79e3ecee156c81d9dc887e932dc6e4d20416105112428673b082fa3691f5ea0d75242e3c47abff79df208a7aa13435174269f4b979b38d56af2ab48e78c07728
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 108 powershell.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSystemUpdate.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSystemUpdate.js wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 108 powershell.exe 108 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 108 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1100 wrote to memory of 108 1100 wscript.exe powershell.exe PID 1100 wrote to memory of 108 1100 wscript.exe powershell.exe PID 1100 wrote to memory of 108 1100 wscript.exe powershell.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Colis_FR-02155J12201.js1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy rEmOtEsIgNeD -Command Invoke-Expression 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- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/108-59-0x0000000000000000-mapping.dmp
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memory/108-60-0x000007FEFC391000-0x000007FEFC393000-memory.dmpFilesize
8KB
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memory/108-61-0x0000000001F10000-0x0000000001F11000-memory.dmpFilesize
4KB
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memory/108-62-0x000000001AD10000-0x000000001AD11000-memory.dmpFilesize
4KB
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memory/108-63-0x000000001AC90000-0x000000001AC92000-memory.dmpFilesize
8KB
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memory/108-64-0x000000001AC94000-0x000000001AC96000-memory.dmpFilesize
8KB
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memory/108-65-0x0000000002360000-0x0000000002361000-memory.dmpFilesize
4KB
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memory/108-66-0x00000000022B0000-0x00000000022B1000-memory.dmpFilesize
4KB
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memory/108-67-0x000000001C440000-0x000000001C441000-memory.dmpFilesize
4KB
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memory/108-68-0x0000000002820000-0x0000000002821000-memory.dmpFilesize
4KB