Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
01-07-2022 00:06
Static task
static1
Behavioral task
behavioral1
Sample
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
Resource
win10v2004-20220414-en
General
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Target
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe
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Size
16KB
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MD5
b5099869ad42589763e1cfb0d6c02080
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SHA1
36e8b076e80b3e92b753e476fb4d73c2d68997d1
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SHA256
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2
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SHA512
f5688d69ce280176d5abb00f04c68e5ef714d0436d6380447cfb8fd0155bed8081021ac566c327aef9aeac42954111596f7216b677c2a7709dd42742d1ffaf6f
Malware Config
Signatures
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LoaderBot executable 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2540-131-0x0000000000EF0000-0x0000000000EFA000-memory.dmp loaderbot -
Drops startup file 1 IoCs
Processes:
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe" 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe" 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3056 schtasks.exe 4680 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exepid process 2540 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe 2176 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exepid process 2540 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exedescription pid process Token: SeDebugPrivilege 2540 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe Token: SeDebugPrivilege 2176 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.execmd.exe3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.execmd.exedescription pid process target process PID 2540 wrote to memory of 4488 2540 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe cmd.exe PID 2540 wrote to memory of 4488 2540 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe cmd.exe PID 2540 wrote to memory of 4488 2540 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe cmd.exe PID 4488 wrote to memory of 3056 4488 cmd.exe schtasks.exe PID 4488 wrote to memory of 3056 4488 cmd.exe schtasks.exe PID 4488 wrote to memory of 3056 4488 cmd.exe schtasks.exe PID 2176 wrote to memory of 4732 2176 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe cmd.exe PID 2176 wrote to memory of 4732 2176 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe cmd.exe PID 2176 wrote to memory of 4732 2176 3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe cmd.exe PID 4732 wrote to memory of 4680 4732 cmd.exe schtasks.exe PID 4732 wrote to memory of 4680 4732 cmd.exe schtasks.exe PID 4732 wrote to memory of 4680 4732 cmd.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe"C:\Users\Admin\AppData\Local\Temp\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\SysWOW64\cmd.exe"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f3⤵
- Creates scheduled task(s)
PID:3056
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C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exeC:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\cmd.exe"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f2⤵
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3f92251c61010466cd2cd14846a6f4bde4054e8cf5c93e9cf576c603bead7ea2.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f3⤵
- Creates scheduled task(s)
PID:4680