Analysis
- max time kernel
144s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 10:13
General
- Target DAP Proforma Invoice,.exe
- Size 665KB
- Sample240213-l83v2afc5x
- SHA256 2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.strongbowoffshore.com
-
Port
587
-
Username
-
Password
vLz3hccG
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 3 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DAP Proforma Invoice,.exe"C:\Users\Admin\AppData\Local\Temp\DAP Proforma Invoice,.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\NXIRrKV.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NXIRrKV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8750.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_rp43urbt.ytx.ps1
tmp8750.tmp
memory/1404-6-0x0000000005F80000-0x0000000005F94000-memory.dmp
memory/1404-3-0x00000000059F0000-0x0000000005A82000-memory.dmp
memory/1404-4-0x0000000005B90000-0x0000000005BA0000-memory.dmp
memory/1404-5-0x00000000059C0000-0x00000000059CA000-memory.dmp
memory/1404-2-0x0000000005FA0000-0x0000000006544000-memory.dmp
memory/1404-7-0x0000000007340000-0x000000000734A000-memory.dmp
memory/1404-8-0x0000000007350000-0x000000000735E000-memory.dmp
memory/1404-9-0x00000000073A0000-0x000000000742A000-memory.dmp
memory/1404-10-0x0000000009AC0000-0x0000000009B5C000-memory.dmp
memory/1404-35-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/1404-0-0x0000000000F50000-0x0000000000FFC000-memory.dmp
memory/1404-38-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/1404-1-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/1600-16-0x0000000005560000-0x0000000005B88000-memory.dmp
memory/1600-55-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/1600-21-0x0000000005320000-0x0000000005342000-memory.dmp
memory/1600-68-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/1600-19-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/1600-27-0x0000000005C90000-0x0000000005CF6000-memory.dmp
memory/1600-30-0x0000000005DB0000-0x0000000005E16000-memory.dmp
memory/1600-65-0x0000000007A40000-0x0000000007A48000-memory.dmp
memory/1600-64-0x0000000007A60000-0x0000000007A7A000-memory.dmp
memory/1600-18-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/1600-15-0x0000000004E20000-0x0000000004E56000-memory.dmp
memory/1600-34-0x0000000005F20000-0x0000000006274000-memory.dmp
memory/1600-40-0x00000000063D0000-0x00000000063EE000-memory.dmp
memory/1600-41-0x0000000006410000-0x000000000645C000-memory.dmp
memory/1600-42-0x000000007F120000-0x000000007F130000-memory.dmp
memory/1600-44-0x0000000075800000-0x000000007584C000-memory.dmp
memory/1600-43-0x0000000007370000-0x00000000073A2000-memory.dmp
memory/1600-20-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/1600-54-0x0000000007350000-0x000000000736E000-memory.dmp
memory/1600-56-0x00000000073C0000-0x0000000007463000-memory.dmp
memory/1600-57-0x0000000007D60000-0x00000000083DA000-memory.dmp
memory/1600-58-0x0000000007720000-0x000000000773A000-memory.dmp
memory/1600-59-0x0000000007790000-0x000000000779A000-memory.dmp
memory/1600-60-0x00000000079A0000-0x0000000007A36000-memory.dmp
memory/1600-61-0x0000000007920000-0x0000000007931000-memory.dmp
memory/1600-62-0x0000000007950000-0x000000000795E000-memory.dmp
memory/1600-63-0x0000000007960000-0x0000000007974000-memory.dmp
memory/4992-39-0x0000000005010000-0x0000000005020000-memory.dmp
memory/4992-37-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/4992-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4992-70-0x0000000006660000-0x00000000066B0000-memory.dmp
memory/4992-71-0x0000000074FA0000-0x0000000075750000-memory.dmp
memory/4992-72-0x0000000005010000-0x0000000005020000-memory.dmp