Analysis
- max time kernel
121s - max time network
121s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
20/06/2024, 00:17
General
- Target SALES CONTRACT (DRAFT).exe
- Size 635KB
- Sample240620-ak2ghsshjr
- SHA256 bf2bb447f3c3344ff70beede0d0889840d533b011f963136b9e3b1bf897f7991
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mahesh-ent.com
-
Port
587
-
Username
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Password
M@hesh3981
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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).
- 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SALES CONTRACT (DRAFT).exe"C:\Users\Admin\AppData\Local\Temp\SALES CONTRACT (DRAFT).exe"1⤵
- Suspicious use of SetThreadContext
- 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\Roaming\OjqJbaZYnrtg.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OjqJbaZYnrtg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AAE.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp5AAE.tmp
memory/1376-4-0x00000000004A0000-0x00000000004B2000-memory.dmp
memory/1376-27-0x0000000074D00000-0x00000000753EE000-memory.dmp
memory/1376-3-0x0000000004F00000-0x0000000004F9A000-memory.dmp
memory/1376-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/1376-5-0x0000000000A10000-0x0000000000A18000-memory.dmp
memory/1376-6-0x0000000000A20000-0x0000000000A2C000-memory.dmp
memory/1376-7-0x0000000005160000-0x00000000051E4000-memory.dmp
memory/1376-1-0x0000000000AD0000-0x0000000000B76000-memory.dmp
memory/1376-2-0x0000000074D00000-0x00000000753EE000-memory.dmp
memory/2796-17-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2796-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2796-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2796-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2796-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2796-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2796-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2796-21-0x0000000000400000-0x0000000000442000-memory.dmp