Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
30/09/2024, 16:14
General
- Target PPPscan_87333.scr.exe
- Size 745KB
- Sample240930-tpmnpsthpr
- SHA256 5ea66e4e338b5ded7b00ad1575010d7c1149341323a646069f3b00a518f300d5
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.fosna.net
-
Port
21
-
Username
-
Password
(=8fPSH$KO_!
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.fosna.net
-
Port
21
-
Username
-
Password
(=8fPSH$KO_!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ejRAbgfUflKqo.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ejRAbgfUflKqo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1C8C.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_vfgyvbfp.4rr.ps1
tmp1C8C.tmp
memory/736-76-0x0000000007810000-0x000000000781A000-memory.dmp
memory/736-24-0x0000000005D30000-0x0000000005D96000-memory.dmp
memory/736-77-0x0000000007A10000-0x0000000007AA6000-memory.dmp
memory/736-78-0x0000000007990000-0x00000000079A1000-memory.dmp
memory/736-73-0x0000000007640000-0x00000000076E3000-memory.dmp
memory/736-51-0x00000000073F0000-0x0000000007422000-memory.dmp
memory/736-52-0x0000000074D40000-0x0000000074D8C000-memory.dmp
memory/736-72-0x0000000006A20000-0x0000000006A3E000-memory.dmp
memory/736-90-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/736-18-0x0000000005690000-0x0000000005CB8000-memory.dmp
memory/736-81-0x00000000079D0000-0x00000000079E4000-memory.dmp
memory/736-49-0x0000000006470000-0x000000000648E000-memory.dmp
memory/736-20-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/736-22-0x00000000053A0000-0x00000000053C2000-memory.dmp
memory/736-23-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/736-32-0x0000000005EA0000-0x00000000061F4000-memory.dmp
memory/736-25-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/1728-3-0x0000000005610000-0x00000000056A2000-memory.dmp
memory/1728-10-0x0000000005010000-0x0000000005094000-memory.dmp
memory/1728-6-0x0000000006CF0000-0x0000000006DA0000-memory.dmp
memory/1728-48-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/1728-5-0x00000000056C0000-0x00000000056CA000-memory.dmp
memory/1728-4-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/1728-0-0x000000007449E000-0x000000007449F000-memory.dmp
memory/1728-7-0x0000000005C60000-0x0000000005C7E000-memory.dmp
memory/1728-2-0x0000000005CD0000-0x0000000006274000-memory.dmp
memory/1728-11-0x000000000C6F0000-0x000000000C78C000-memory.dmp
memory/1728-1-0x0000000000BB0000-0x0000000000C6E000-memory.dmp
memory/1728-9-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/1728-8-0x000000007449E000-0x000000007449F000-memory.dmp
memory/3412-79-0x0000000006A10000-0x0000000006A60000-memory.dmp
memory/3412-46-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3540-19-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3540-75-0x0000000007550000-0x000000000756A000-memory.dmp
memory/3540-74-0x0000000007B90000-0x000000000820A000-memory.dmp
memory/3540-58-0x0000000074D40000-0x0000000074D8C000-memory.dmp
memory/3540-80-0x0000000007780000-0x000000000778E000-memory.dmp
memory/3540-50-0x0000000006780000-0x00000000067CC000-memory.dmp
memory/3540-82-0x0000000007890000-0x00000000078AA000-memory.dmp
memory/3540-83-0x0000000007870000-0x0000000007878000-memory.dmp
memory/3540-26-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3540-17-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3540-89-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3540-16-0x0000000002910000-0x0000000002946000-memory.dmp