Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:32
General
- Target Payment Transfer Request.exe
- Size 687KB
- Sample240607-byds2sgd73
- SHA256 59a171cad8778f50a4d3d80c3db0a337013e210e8aa147546ef8aeb360bbc11c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.merlinmotorworks.com
-
Port
587
-
Username
-
Password
Merlin1080S
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.merlinmotorworks.com
-
Port
587
-
Username
-
Password
Merlin1080S
-
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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 1 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).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Transfer Request.exe"C:\Users\Admin\AppData\Local\Temp\Payment Transfer Request.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\Local\Temp\Payment Transfer Request.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Transfer Request.exe"C:\Users\Admin\AppData\Local\Temp\Payment Transfer Request.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Transfer Request.exe"C:\Users\Admin\AppData\Local\Temp\Payment Transfer Request.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Payment Transfer Request.exe.log
__PSScriptPolicyTest_o4pozy3g.njh.ps1
memory/2660-6-0x00000000052D0000-0x00000000052E6000-memory.dmp
memory/2660-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp
memory/2660-4-0x0000000004D70000-0x0000000004D7A000-memory.dmp
memory/2660-5-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/2660-2-0x0000000005340000-0x00000000058E4000-memory.dmp
memory/2660-8-0x0000000005310000-0x0000000005320000-memory.dmp
memory/2660-7-0x0000000005300000-0x000000000530E000-memory.dmp
memory/2660-9-0x0000000006030000-0x00000000060B4000-memory.dmp
memory/2660-10-0x00000000086E0000-0x000000000877C000-memory.dmp
memory/2660-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp
memory/2660-14-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/2660-1-0x0000000000230000-0x00000000002E0000-memory.dmp
memory/3628-15-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/3628-34-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/3628-63-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/3628-62-0x00000000068A0000-0x00000000068F0000-memory.dmp
memory/3628-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3628-17-0x0000000005350000-0x00000000053B6000-memory.dmp
memory/5068-49-0x0000000006A70000-0x0000000006B13000-memory.dmp
memory/5068-38-0x0000000070AC0000-0x0000000070B0C000-memory.dmp
memory/5068-20-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5068-21-0x00000000051D0000-0x00000000051F2000-memory.dmp
memory/5068-23-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5068-22-0x0000000005370000-0x00000000053D6000-memory.dmp
memory/5068-35-0x0000000005A40000-0x0000000005A5E000-memory.dmp
memory/5068-36-0x0000000005DC0000-0x0000000005E0C000-memory.dmp
memory/5068-37-0x0000000006A10000-0x0000000006A42000-memory.dmp
memory/5068-19-0x0000000004B70000-0x0000000005198000-memory.dmp
memory/5068-48-0x0000000006010000-0x000000000602E000-memory.dmp
memory/5068-33-0x0000000005450000-0x00000000057A4000-memory.dmp
memory/5068-51-0x0000000006D80000-0x0000000006D9A000-memory.dmp
memory/5068-50-0x00000000073C0000-0x0000000007A3A000-memory.dmp
memory/5068-52-0x0000000006DF0000-0x0000000006DFA000-memory.dmp
memory/5068-53-0x0000000007000000-0x0000000007096000-memory.dmp
memory/5068-54-0x0000000006F80000-0x0000000006F91000-memory.dmp
memory/5068-56-0x0000000006FC0000-0x0000000006FD4000-memory.dmp
memory/5068-55-0x0000000006FB0000-0x0000000006FBE000-memory.dmp
memory/5068-58-0x00000000070A0000-0x00000000070A8000-memory.dmp
memory/5068-57-0x00000000070C0000-0x00000000070DA000-memory.dmp
memory/5068-61-0x0000000074E40000-0x00000000755F0000-memory.dmp
memory/5068-16-0x0000000002190000-0x00000000021C6000-memory.dmp
memory/5068-18-0x0000000074E40000-0x00000000755F0000-memory.dmp