Analysis
- max time kernel
120s - max time network
129s - platform
windows7_x64 - resource
win7-20241010-en - resource tags
- submitted
20/02/2025, 04:25
General
- Target CHEMROAD HAWK PARTICULARS.scr.exe
- Size 1019KB
- Sample250220-e17qpayjy9
- SHA256 fb98e235d9cd58d96ab4d3389fdacfff82beda19357f313fabd95729bc984ee1
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://beirutrest.com
-
Port
21
-
Username
-
Password
9yXQ39wz(uL+
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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 2 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 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CHEMROAD HAWK PARTICULARS.scr.exe"C:\Users\Admin\AppData\Local\Temp\CHEMROAD HAWK PARTICULARS.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\CHEMROAD HAWK PARTICULARS.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\oVIzqoWsuwRFon.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\oVIzqoWsuwRFon" /XML "C:\Users\Admin\AppData\Local\Temp\tmp12A6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\CHEMROAD HAWK PARTICULARS.scr.exe"C:\Users\Admin\AppData\Local\Temp\CHEMROAD HAWK PARTICULARS.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
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
tmp12A6.tmp
POKO2MGBZZ6U376GTA2S.temp
memory/2188-4-0x000000007479E000-0x000000007479F000-memory.dmp
memory/2188-32-0x0000000074790000-0x0000000074E7E000-memory.dmp
memory/2188-0-0x000000007479E000-0x000000007479F000-memory.dmp
memory/2188-5-0x0000000074790000-0x0000000074E7E000-memory.dmp
memory/2188-6-0x00000000052A0000-0x0000000005324000-memory.dmp
memory/2188-2-0x0000000074790000-0x0000000074E7E000-memory.dmp
memory/2188-1-0x0000000000DE0000-0x0000000000EE4000-memory.dmp
memory/2188-3-0x00000000005B0000-0x00000000005CE000-memory.dmp
memory/3008-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3008-25-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3008-29-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3008-31-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3008-28-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3008-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3008-23-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3008-21-0x0000000000400000-0x0000000000440000-memory.dmp