Analysis
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max time kernel
132s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
02-03-2021 22:27
Static task
static1
Behavioral task
behavioral1
Sample
2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe
Resource
win7v20201028
General
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Target
2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe
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Size
534KB
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MD5
fda53610c25408e427c84eebdc5b8ec2
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SHA1
13830e44fb35c5f6d4750abd620ecb4df85e7a6a
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SHA256
2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb
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SHA512
617b6fb67057c7207cbe9f73be85b6f4d9d69462aee9b526a1bea085d1c101f7ff9da98da6a0e266bd49cafc41c0cdb741453bc76e9c09011bf4f1ec446f52e7
Malware Config
Signatures
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Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/files/0x000200000001ab60-13.dat disable_win_def behavioral2/files/0x000200000001ab60-15.dat disable_win_def -
Executes dropped EXE 1 IoCs
pid Process 4028 Injector.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 9 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3856 schtasks.exe 1932 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1312 PING.EXE -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 3248 powershell.exe 3248 powershell.exe 3248 powershell.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 3976 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 4028 Injector.exe Token: SeDebugPrivilege 4028 Injector.exe Token: SeDebugPrivilege 3976 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3620 wrote to memory of 3856 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 76 PID 3620 wrote to memory of 3856 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 76 PID 3620 wrote to memory of 3856 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 76 PID 3620 wrote to memory of 4028 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 78 PID 3620 wrote to memory of 4028 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 78 PID 3620 wrote to memory of 4028 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 78 PID 3620 wrote to memory of 3248 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 79 PID 3620 wrote to memory of 3248 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 79 PID 3620 wrote to memory of 3248 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 79 PID 4028 wrote to memory of 1932 4028 Injector.exe 81 PID 4028 wrote to memory of 1932 4028 Injector.exe 81 PID 4028 wrote to memory of 1932 4028 Injector.exe 81 PID 3620 wrote to memory of 3464 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 86 PID 3620 wrote to memory of 3464 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 86 PID 3620 wrote to memory of 3464 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 86 PID 3464 wrote to memory of 2120 3464 cmd.exe 88 PID 3464 wrote to memory of 2120 3464 cmd.exe 88 PID 3464 wrote to memory of 2120 3464 cmd.exe 88 PID 3620 wrote to memory of 3572 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 89 PID 3620 wrote to memory of 3572 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 89 PID 3620 wrote to memory of 3572 3620 2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe 89 PID 3572 wrote to memory of 1008 3572 cmd.exe 91 PID 3572 wrote to memory of 1008 3572 cmd.exe 91 PID 3572 wrote to memory of 1008 3572 cmd.exe 91 PID 3572 wrote to memory of 1312 3572 cmd.exe 92 PID 3572 wrote to memory of 1312 3572 cmd.exe 92 PID 3572 wrote to memory of 1312 3572 cmd.exe 92 PID 3572 wrote to memory of 3976 3572 cmd.exe 93 PID 3572 wrote to memory of 3976 3572 cmd.exe 93 PID 3572 wrote to memory of 3976 3572 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe"C:\Users\Admin\AppData\Local\Temp\2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe"1⤵
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Injector" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:3856
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C:\Users\Admin\AppData\Roaming\SubDir\Injector.exe"C:\Users\Admin\AppData\Roaming\SubDir\Injector.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Injector" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Injector.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:1932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3248
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*3⤵PID:2120
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\u991PXD4UBfm.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\SysWOW64\chcp.comchcp 650013⤵PID:1008
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost3⤵
- Runs ping.exe
PID:1312
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C:\Users\Admin\AppData\Local\Temp\2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe"C:\Users\Admin\AppData\Local\Temp\2c73be6b374db37dd28a204f49d78a61ebcc678a9164828b9f01e50e06ece3cb.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3976
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