Analysis
- max time kernel
115s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 02:55
General
- Target RFQ 97571789.exe
- Size 757KB
- Sample240613-derxnssare
- SHA256 35ead951bb0acac03f205309cb2f0420ea15d60629911edc2010e7386ba8c689
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.manjeetsteelproductions.com
-
Port
21
-
Username
-
Password
CHIMAEZE12$
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.manjeetsteelproductions.com
-
Port
21
-
Username
-
Password
CHIMAEZE12$
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 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).
- Creates scheduled task(s) 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\RFQ 97571789.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 97571789.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\RFQ 97571789.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\oGuPcshdBK.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oGuPcshdBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C27.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ 97571789.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 97571789.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_2jgn1sgg.uq1.ps1
tmp6C27.tmp
memory/1020-7-0x00000000053D0000-0x00000000053E0000-memory.dmp
memory/1020-47-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1020-4-0x0000000005060000-0x000000000506A000-memory.dmp
memory/1020-5-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1020-2-0x00000000053E0000-0x0000000005984000-memory.dmp
memory/1020-0-0x000000007472E000-0x000000007472F000-memory.dmp
memory/1020-8-0x0000000006760000-0x00000000067E4000-memory.dmp
memory/1020-9-0x0000000008DF0000-0x0000000008E8C000-memory.dmp
memory/1020-1-0x0000000000040000-0x00000000000FE000-memory.dmp
memory/1020-6-0x0000000006740000-0x000000000675A000-memory.dmp
memory/1020-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp
memory/3052-63-0x0000000074FD0000-0x000000007501C000-memory.dmp
memory/3052-14-0x0000000002730000-0x0000000002766000-memory.dmp
memory/3052-18-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3052-16-0x00000000051A0000-0x00000000057C8000-memory.dmp
memory/3052-85-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3052-22-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/3052-81-0x0000000007640000-0x0000000007648000-memory.dmp
memory/3052-17-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3052-15-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3052-21-0x00000000050F0000-0x0000000005156000-memory.dmp
memory/3052-25-0x00000000059F0000-0x0000000005D44000-memory.dmp
memory/3052-80-0x0000000007660000-0x000000000767A000-memory.dmp
memory/3052-20-0x0000000005050000-0x0000000005072000-memory.dmp
memory/3052-48-0x0000000006000000-0x000000000601E000-memory.dmp
memory/3052-49-0x00000000065A0000-0x00000000065EC000-memory.dmp
memory/3052-77-0x0000000007520000-0x0000000007531000-memory.dmp
memory/3052-76-0x00000000075A0000-0x0000000007636000-memory.dmp
memory/3596-24-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3596-51-0x0000000074FD0000-0x000000007501C000-memory.dmp
memory/3596-61-0x0000000007400000-0x000000000741E000-memory.dmp
memory/3596-73-0x0000000007C10000-0x000000000828A000-memory.dmp
memory/3596-74-0x00000000075D0000-0x00000000075EA000-memory.dmp
memory/3596-75-0x0000000007640000-0x000000000764A000-memory.dmp
memory/3596-50-0x0000000007420000-0x0000000007452000-memory.dmp
memory/3596-62-0x0000000007470000-0x0000000007513000-memory.dmp
memory/3596-78-0x0000000007800000-0x000000000780E000-memory.dmp
memory/3596-79-0x0000000007810000-0x0000000007824000-memory.dmp
memory/3596-23-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3596-26-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3596-84-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/4504-45-0x0000000000400000-0x0000000000444000-memory.dmp
memory/4504-86-0x0000000006930000-0x0000000006980000-memory.dmp