Analysis
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max time kernel
82s -
max time network
110s -
platform
windows10_x64 -
resource
win10 -
submitted
07-07-2020 18:32
Static task
static1
Behavioral task
behavioral1
Sample
Plistan86Pem3#.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Plistan86Pem3#.exe
Resource
win10
General
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Target
Plistan86Pem3#.exe
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Size
580KB
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MD5
5f75df0152f83309cc8cd60b8efd8c62
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SHA1
fa3bf068baa83df55c3eaacd651979d4c89c8323
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SHA256
0137e0e90dcb38e88138add7478e567f93fef19512df0f1e166940696b790b7c
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SHA512
06f21e09f656217bcc97a651c0b20dff9e68ce6f2281fe400eeb3497d5210dc37f70449536a9d7e61e0bd802014491702c9fd5e4dce26dd66e78d89b3bc15835
Malware Config
Extracted
Protocol: ftp- Host:
ftp.ciftci.com.tr - Port:
21 - Username:
[email protected] - Password:
Idonhammer2#
Signatures
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Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Plistan86Pem3#.exedescription pid process target process PID 3176 wrote to memory of 688 3176 Plistan86Pem3#.exe schtasks.exe PID 3176 wrote to memory of 688 3176 Plistan86Pem3#.exe schtasks.exe PID 3176 wrote to memory of 688 3176 Plistan86Pem3#.exe schtasks.exe PID 3176 wrote to memory of 2976 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2976 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2976 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe PID 3176 wrote to memory of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Plistan86Pem3#.exePlistan86Pem3#.exedescription pid process Token: SeDebugPrivilege 3176 Plistan86Pem3#.exe Token: SeDebugPrivilege 2968 Plistan86Pem3#.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Plistan86Pem3#.exepid process 2968 Plistan86Pem3#.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
Plistan86Pem3#.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools Plistan86Pem3#.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Plistan86Pem3#.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Plistan86Pem3#.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 Plistan86Pem3#.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Plistan86Pem3#.exePlistan86Pem3#.exepid process 3176 Plistan86Pem3#.exe 3176 Plistan86Pem3#.exe 2968 Plistan86Pem3#.exe 2968 Plistan86Pem3#.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Plistan86Pem3#.exedescription pid process target process PID 3176 set thread context of 2968 3176 Plistan86Pem3#.exe Plistan86Pem3#.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Plistan86Pem3#.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Plistan86Pem3#.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Plistan86Pem3#.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
Plistan86Pem3#.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions Plistan86Pem3#.exe -
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
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C:\Users\Admin\AppData\Local\Temp\Plistan86Pem3#.exe"C:\Users\Admin\AppData\Local\Temp\Plistan86Pem3#.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Looks for VMWare Tools registry key
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Checks BIOS information in registry
- Looks for VirtualBox Guest Additions in registry
PID:3176 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yJOHnkqZuXnUpE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp680B.tmp"2⤵
- Creates scheduled task(s)
PID:688 -
C:\Users\Admin\AppData\Local\Temp\Plistan86Pem3#.exe"C:\Users\Admin\AppData\Local\Temp\Plistan86Pem3#.exe"2⤵PID:2976
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C:\Users\Admin\AppData\Local\Temp\Plistan86Pem3#.exe"C:\Users\Admin\AppData\Local\Temp\Plistan86Pem3#.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
PID:2968