Analysis
- max time kernel
117s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 16:23
General
- Target Quote for Urgent Purchase Order_pdf.img.exe
- Size 693KB
- Sample240227-tvsf5sdg67
- SHA256 bdf27a5c5327e39ec2d7b3a6a7c5068b68f0d0e46791c7afad0ecd6b1a803ef5
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
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Username
-
Password
)Ivlmuj5
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
)Ivlmuj5
-
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.
- 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).
- 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"C:\Users\Admin\AppData\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"1⤵
- Checks computer location settings
- 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\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\bYNJaHSqQU.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bYNJaHSqQU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp568C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"C:\Users\Admin\AppData\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"C:\Users\Admin\AppData\Local\Temp\Quote for Urgent Purchase Order_pdf.img.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Quote for Urgent Purchase Order_pdf.img.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_x5aommk2.o04.ps1
tmp568C.tmp
memory/388-87-0x0000000007A00000-0x0000000007A14000-memory.dmp
memory/388-54-0x0000000007460000-0x0000000007492000-memory.dmp
memory/388-86-0x00000000079F0000-0x00000000079FE000-memory.dmp
memory/388-85-0x00000000079C0000-0x00000000079D1000-memory.dmp
memory/388-84-0x0000000007A40000-0x0000000007AD6000-memory.dmp
memory/388-82-0x00000000077C0000-0x00000000077DA000-memory.dmp
memory/388-80-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/388-78-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/388-57-0x00000000712C0000-0x000000007130C000-memory.dmp
memory/388-88-0x0000000007B00000-0x0000000007B1A000-memory.dmp
memory/388-19-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/388-20-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
memory/388-56-0x000000007F370000-0x000000007F380000-memory.dmp
memory/388-89-0x0000000007AE0000-0x0000000007AE8000-memory.dmp
memory/388-52-0x0000000006490000-0x00000000064AE000-memory.dmp
memory/388-24-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/388-25-0x0000000005DE0000-0x0000000005E46000-memory.dmp
memory/388-92-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/388-26-0x0000000005E50000-0x0000000005EB6000-memory.dmp
memory/388-45-0x0000000005FC0000-0x0000000006314000-memory.dmp
memory/1440-81-0x0000000008270000-0x00000000088EA000-memory.dmp
memory/1440-67-0x0000000006E90000-0x0000000006EAE000-memory.dmp
memory/1440-96-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/1440-83-0x0000000007CA0000-0x0000000007CAA000-memory.dmp
memory/1440-68-0x000000007F6B0000-0x000000007F6C0000-memory.dmp
memory/1440-22-0x0000000005850000-0x0000000005872000-memory.dmp
memory/1440-53-0x0000000006940000-0x000000000698C000-memory.dmp
memory/1440-21-0x0000000002F20000-0x0000000002F30000-memory.dmp
memory/1440-55-0x00000000712C0000-0x000000007130C000-memory.dmp
memory/1440-18-0x0000000002F20000-0x0000000002F30000-memory.dmp
memory/1440-16-0x00000000059C0000-0x0000000005FE8000-memory.dmp
memory/1440-79-0x0000000007AD0000-0x0000000007B73000-memory.dmp
memory/1440-17-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/1440-15-0x0000000005350000-0x0000000005386000-memory.dmp
memory/2640-2-0x0000000005F60000-0x0000000006504000-memory.dmp
memory/2640-4-0x00000000058F0000-0x0000000005900000-memory.dmp
memory/2640-10-0x000000000A830000-0x000000000A8CC000-memory.dmp
memory/2640-0-0x0000000000E90000-0x0000000000F42000-memory.dmp
memory/2640-1-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/2640-9-0x0000000006DD0000-0x0000000006E54000-memory.dmp
memory/2640-8-0x00000000031B0000-0x00000000031C2000-memory.dmp
memory/2640-7-0x0000000005F40000-0x0000000005F4C000-memory.dmp
memory/2640-49-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/2640-6-0x0000000005F10000-0x0000000005F2C000-memory.dmp
memory/2640-5-0x0000000005980000-0x000000000598A000-memory.dmp
memory/2640-3-0x00000000059B0000-0x0000000005A42000-memory.dmp
memory/4564-51-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/4564-50-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/4564-46-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4564-97-0x0000000006940000-0x0000000006990000-memory.dmp
memory/4564-98-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/4564-99-0x0000000005290000-0x00000000052A0000-memory.dmp