Analysis
-
max time kernel
124s -
max time network
128s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
23-06-2021 16:02
Static task
static1
Behavioral task
behavioral1
Sample
ColisFR210512010J00202.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
-
Target
ColisFR210512010J00202.js
-
Size
782KB
-
MD5
f975d03ad1cc50935dc385a3a91d3df3
-
SHA1
0bffedeae3d8e0a52d9f7b8d143232e653ebc352
-
SHA256
6f6504835638f4a55666af25325774f44cc44c0f0e6e7d726dfeb7ca6c586e84
-
SHA512
891af6a53fb54e65b872ba4fec1d522ee7ea269ccd5349e26cb62e2c2770b5c62a3fd1db1967ccb544a342e9e47a9efbb97c38db87f7323895db3ade33109b1e
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 1352 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 1352 powershell.exe 1352 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1352 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1116 wrote to memory of 1352 1116 wscript.exe powershell.exe PID 1116 wrote to memory of 1352 1116 wscript.exe powershell.exe PID 1116 wrote to memory of 1352 1116 wscript.exe powershell.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ColisFR210512010J00202.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/1352-59-0x0000000000000000-mapping.dmp
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memory/1352-60-0x000007FEFC301000-0x000007FEFC303000-memory.dmpFilesize
8KB
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memory/1352-62-0x000000001AD10000-0x000000001AD11000-memory.dmpFilesize
4KB
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memory/1352-61-0x0000000001C30000-0x0000000001C31000-memory.dmpFilesize
4KB
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memory/1352-63-0x0000000001EF0000-0x0000000001EF1000-memory.dmpFilesize
4KB
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memory/1352-64-0x000000001AC90000-0x000000001AC92000-memory.dmpFilesize
8KB
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memory/1352-65-0x000000001AC94000-0x000000001AC96000-memory.dmpFilesize
8KB
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memory/1352-66-0x0000000002100000-0x0000000002101000-memory.dmpFilesize
4KB
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memory/1352-67-0x000000001BA30000-0x000000001BA31000-memory.dmpFilesize
4KB
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memory/1352-68-0x00000000026F0000-0x00000000026F1000-memory.dmpFilesize
4KB