Analysis
-
max time kernel
141s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
28-02-2022 03:12
Static task
static1
Behavioral task
behavioral1
Sample
82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe
Resource
win7-20220223-en
General
-
Target
82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe
-
Size
481KB
-
MD5
593ac1acb0452748340d6a5ccdb18f12
-
SHA1
2d2af604a8e4f0df9b36c047c8f9e9b0759327e9
-
SHA256
82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e
-
SHA512
627af0a78c4d5463b5899f1c75bdbbc5c8a08a29567a105f83e717b9b6e425946548fda6ae64381a5353904ee3351302fe93526ddceb89fbb020ddba670ca747
Malware Config
Signatures
-
SaintBot Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3376-149-0x0000000000400000-0x000000000040B000-memory.dmp family_saintbot -
Executes dropped EXE 1 IoCs
Processes:
6429.exepid process 4036 6429.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe -
Drops startup file 1 IoCs
Processes:
MSBuild.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6429.exe MSBuild.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum MSBuild.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\start /b "" cmd /c del "%~f0"&exit /b MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exedescription pid process target process PID 3572 set thread context of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4084 timeout.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exepid process 2124 powershell.exe 2124 powershell.exe 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exedescription pid process Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exepowershell.execmd.exeMSBuild.execmd.exedescription pid process target process PID 3572 wrote to memory of 2124 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe powershell.exe PID 3572 wrote to memory of 2124 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe powershell.exe PID 3572 wrote to memory of 2124 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe powershell.exe PID 2124 wrote to memory of 3964 2124 powershell.exe cmd.exe PID 2124 wrote to memory of 3964 2124 powershell.exe cmd.exe PID 2124 wrote to memory of 3964 2124 powershell.exe cmd.exe PID 3964 wrote to memory of 4084 3964 cmd.exe timeout.exe PID 3964 wrote to memory of 4084 3964 cmd.exe timeout.exe PID 3964 wrote to memory of 4084 3964 cmd.exe timeout.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3572 wrote to memory of 3376 3572 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe MSBuild.exe PID 3376 wrote to memory of 4036 3376 MSBuild.exe 6429.exe PID 3376 wrote to memory of 4036 3376 MSBuild.exe 6429.exe PID 3376 wrote to memory of 4036 3376 MSBuild.exe 6429.exe PID 3376 wrote to memory of 3864 3376 MSBuild.exe cmd.exe PID 3376 wrote to memory of 3864 3376 MSBuild.exe cmd.exe PID 3376 wrote to memory of 3864 3376 MSBuild.exe cmd.exe PID 3864 wrote to memory of 1956 3864 cmd.exe PING.EXE PID 3864 wrote to memory of 1956 3864 cmd.exe PING.EXE PID 3864 wrote to memory of 1956 3864 cmd.exe PING.EXE PID 3864 wrote to memory of 2116 3864 cmd.exe cmd.exe PID 3864 wrote to memory of 2116 3864 cmd.exe cmd.exe PID 3864 wrote to memory of 2116 3864 cmd.exe cmd.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe"C:\Users\Admin\AppData\Local\Temp\82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc YwBtAGQAIAAvAGMAIAB0AGkAbQBlAG8AdQB0ACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout 203⤵
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\timeout.exetimeout 204⤵
- Delays execution with timeout.exe
PID:4084
-
-
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6429.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6429.exe"3⤵
- Executes dropped EXE
PID:4036
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat3⤵
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Windows\SysWOW64\PING.EXEping localhost -n 34⤵
- Runs ping.exe
PID:1956
-
-
C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"4⤵PID:2116
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
8fdf47e0ff70c40ed3a17014aeea4232
SHA1e6256a0159688f0560b015da4d967f41cbf8c9bd
SHA256ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82
SHA512bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be
-
MD5
8fdf47e0ff70c40ed3a17014aeea4232
SHA1e6256a0159688f0560b015da4d967f41cbf8c9bd
SHA256ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82
SHA512bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be
-
MD5
df77611384b4fe4641d8b355086ba1bc
SHA15a2f90e6bbb19fdb73fe7bc19b2e1e42631b8313
SHA25600cb72eb24f8e7b58ea2542ba055a446e59184d22038a001d39762eb225b58fd
SHA5126c17d1f672b0418f71fba7e571b29c95013b24ae94efe04dc830dc322b7cd7af0ea925a2ca633969f640b7e28ee0d8f59c34d84789a59901ee8ead95ee3a4e99