Analysis
-
max time kernel
144s -
max time network
145s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
26-04-2021 05:22
Static task
static1
Behavioral task
behavioral1
Sample
ID9028739203.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
-
Target
ID9028739203.js
-
Size
29KB
-
MD5
98ed66d9f5fa9369ce8023f1aca299f6
-
SHA1
ccaf5fb13f8b6f7b1215d59e9cd1a13efeeac627
-
SHA256
9b58b6d8da0b079a6514bf6614832ea98b35bfad7674f94387a417d17a6ba9c4
-
SHA512
0fe7ef9d3783a18f5567bdc70e0606deeebb31effbd90f47a2dfcd0e0762f71cb944e37d4a8d44b794d996edc7040830d7f89ae22e766c6894e1c74e84668b26
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 1164 powershell.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsSystemUpdate.js wscript.exe File created 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 1164 powershell.exe 1164 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1164 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1096 wrote to memory of 1164 1096 wscript.exe powershell.exe PID 1096 wrote to memory of 1164 1096 wscript.exe powershell.exe PID 1096 wrote to memory of 1164 1096 wscript.exe powershell.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ID9028739203.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/1164-59-0x0000000000000000-mapping.dmp
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memory/1164-60-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmpFilesize
8KB
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memory/1164-61-0x00000000023F0000-0x00000000023F1000-memory.dmpFilesize
4KB
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memory/1164-62-0x000000001AAF0000-0x000000001AAF1000-memory.dmpFilesize
4KB
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memory/1164-63-0x000000001AA70000-0x000000001AA72000-memory.dmpFilesize
8KB
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memory/1164-64-0x000000001AA74000-0x000000001AA76000-memory.dmpFilesize
8KB
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memory/1164-65-0x0000000002540000-0x0000000002541000-memory.dmpFilesize
4KB
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memory/1164-66-0x0000000002430000-0x0000000002431000-memory.dmpFilesize
4KB
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memory/1164-67-0x000000001B930000-0x000000001B931000-memory.dmpFilesize
4KB
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memory/1164-68-0x000000001C400000-0x000000001C401000-memory.dmpFilesize
4KB