Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/08/2024, 16:06
General
- Target trucking instructions.exe
- Size 824KB
- Sample240813-tj267stamf
- SHA256 87044fd80bd4cb7069021fa48e337e1ffc5d6f192932645045536ffccab8c4db
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.mahesh-ent.com
-
Port
587
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Username
-
Password
M@hesh3981
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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 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 2 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\trucking instructions.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\qRqBmS.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qRqBmS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9858.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_njcap5jj.vj5.ps1
tmp9858.tmp
memory/2428-74-0x0000000007B00000-0x0000000007B1A000-memory.dmp
memory/2428-75-0x0000000007B80000-0x0000000007B8A000-memory.dmp
memory/2428-18-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/2428-73-0x0000000008150000-0x00000000087CA000-memory.dmp
memory/2428-62-0x0000000075B70000-0x0000000075BBC000-memory.dmp
memory/2428-44-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/2428-81-0x0000000007E20000-0x0000000007E28000-memory.dmp
memory/2428-87-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/2428-19-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3644-15-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3644-20-0x0000000005490000-0x00000000054B2000-memory.dmp
memory/3644-16-0x0000000005540000-0x0000000005B68000-memory.dmp
memory/3644-22-0x0000000005DD0000-0x0000000005E36000-memory.dmp
memory/3644-88-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3644-21-0x0000000005D60000-0x0000000005DC6000-memory.dmp
memory/3644-14-0x0000000004E90000-0x0000000004EC6000-memory.dmp
memory/3644-34-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3644-80-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/3644-17-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3644-33-0x0000000005E40000-0x0000000006194000-memory.dmp
memory/3644-76-0x00000000079F0000-0x0000000007A86000-memory.dmp
memory/3644-79-0x00000000079B0000-0x00000000079C4000-memory.dmp
memory/3644-48-0x0000000006440000-0x000000000645E000-memory.dmp
memory/3644-49-0x0000000006920000-0x000000000696C000-memory.dmp
memory/3644-51-0x0000000075B70000-0x0000000075BBC000-memory.dmp
memory/3644-61-0x00000000069F0000-0x0000000006A0E000-memory.dmp
memory/3644-78-0x00000000079A0000-0x00000000079AE000-memory.dmp
memory/3644-72-0x0000000007450000-0x00000000074F3000-memory.dmp
memory/3644-50-0x0000000006A20000-0x0000000006A52000-memory.dmp
memory/3644-77-0x0000000007970000-0x0000000007981000-memory.dmp
memory/4188-45-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4188-89-0x00000000067C0000-0x0000000006810000-memory.dmp
memory/5064-4-0x0000000005200000-0x000000000520A000-memory.dmp
memory/5064-6-0x00000000054A0000-0x00000000054BE000-memory.dmp
memory/5064-7-0x0000000006400000-0x0000000006416000-memory.dmp
memory/5064-8-0x0000000002AA0000-0x0000000002B24000-memory.dmp
memory/5064-47-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/5064-9-0x000000000BC30000-0x000000000BCCC000-memory.dmp
memory/5064-5-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/5064-3-0x00000000052A0000-0x0000000005332000-memory.dmp
memory/5064-2-0x0000000005850000-0x0000000005DF4000-memory.dmp
memory/5064-1-0x0000000000790000-0x0000000000864000-memory.dmp
memory/5064-0-0x00000000752CE000-0x00000000752CF000-memory.dmp