Analysis
- max time kernel
143s - max time network
135s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
14/12/2021, 16:03
General
- Target Notification_TNT AWB_IMAGE CI_IMAGE from TNT AWB# 167095453.pdf.exe
- Size 1.3MB
- Sample211214-thb9dshacn
- SHA256 e30fcccb3539c0df7725525f5e09402a2cf5a1088b784de122821ed2008dbd91
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1952154144:AAEHUKomldKQIyjgq_MWw4YWiGcA_iwz6T4/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Notification_TNT AWB_IMAGE CI_IMAGE from TNT AWB# 167095453.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Notification_TNT AWB_IMAGE CI_IMAGE from TNT AWB# 167095453.pdf.exe"1⤵
- 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\Notification_TNT AWB_IMAGE CI_IMAGE from TNT AWB# 167095453.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Notification_TNT AWB_IMAGE CI_IMAGE from TNT AWB# 167095453.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Notification_TNT AWB_IMAGE CI_IMAGE from TNT AWB# 167095453.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1352-145-0x00000000056C0000-0x0000000005BBE000-memory.dmp
memory/1352-129-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2668-118-0x0000000000710000-0x0000000000711000-memory.dmp
memory/2668-120-0x0000000005700000-0x0000000005701000-memory.dmp
memory/2668-121-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/2668-122-0x00000000050B0000-0x00000000050B1000-memory.dmp
memory/2668-123-0x0000000005020000-0x00000000050B2000-memory.dmp
memory/2668-124-0x0000000008970000-0x0000000008978000-memory.dmp
memory/2668-125-0x0000000008980000-0x0000000008981000-memory.dmp
memory/2668-126-0x0000000008CF0000-0x0000000008CF1000-memory.dmp
memory/2668-127-0x0000000009050000-0x00000000091B5000-memory.dmp
memory/3996-139-0x0000000007860000-0x0000000007861000-memory.dmp
memory/3996-146-0x00000000084F0000-0x00000000084F1000-memory.dmp
memory/3996-136-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/3996-137-0x0000000007B50000-0x0000000007B51000-memory.dmp
memory/3996-133-0x0000000003420000-0x0000000003421000-memory.dmp
memory/3996-140-0x0000000007900000-0x0000000007901000-memory.dmp
memory/3996-141-0x00000000079E0000-0x00000000079E1000-memory.dmp
memory/3996-142-0x0000000008180000-0x0000000008181000-memory.dmp
memory/3996-143-0x0000000007510000-0x0000000007511000-memory.dmp
memory/3996-144-0x0000000007512000-0x0000000007513000-memory.dmp
memory/3996-131-0x0000000003420000-0x0000000003421000-memory.dmp
memory/3996-147-0x00000000087B0000-0x00000000087B1000-memory.dmp
memory/3996-148-0x0000000008A10000-0x0000000008A11000-memory.dmp
memory/3996-149-0x0000000003420000-0x0000000003421000-memory.dmp
memory/3996-158-0x00000000097E0000-0x0000000009813000-memory.dmp
memory/3996-165-0x00000000097C0000-0x00000000097C1000-memory.dmp
memory/3996-170-0x0000000009B70000-0x0000000009B71000-memory.dmp
memory/3996-172-0x0000000007513000-0x0000000007514000-memory.dmp
memory/3996-171-0x000000007EF50000-0x000000007EF51000-memory.dmp
memory/3996-173-0x0000000009CF0000-0x0000000009CF1000-memory.dmp