Analysis
- max time kernel
103s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
11/09/2022, 13:01
General
- Target RFQ-Purchase Order Delivery Reminder! #TT5433888.exe
- Size 1.0MB
- Sample220911-p87qrsbfa2
- SHA256 7baa3f43e31940f5f7a338fbcc9f99411b1edaab57d77ef64cb5c2f5a122a4e0
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
%2B
-
Port
21
-
Username
application/x-www-form-urlencoded
-
Password
image/jpg
-
p=
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 data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ-Purchase Order Delivery Reminder! #TT5433888.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-Purchase Order Delivery Reminder! #TT5433888.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\Roaming\qFiUjeGrvzWgGD.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\qFiUjeGrvzWgGD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA74.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ-Purchase Order Delivery Reminder! #TT5433888.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-Purchase Order Delivery Reminder! #TT5433888.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
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Downloads
RFQ-Purchase Order Delivery Reminder! #TT5433888.exe.log
tmpCA74.tmp
memory/376-153-0x0000000007730000-0x000000000774A000-memory.dmp
memory/376-147-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/376-159-0x0000000007A50000-0x0000000007A58000-memory.dmp
memory/376-158-0x0000000007A70000-0x0000000007A8A000-memory.dmp
memory/376-157-0x0000000007960000-0x000000000796E000-memory.dmp
memory/376-140-0x0000000004E80000-0x0000000004EB6000-memory.dmp
memory/376-150-0x0000000070760000-0x00000000707AC000-memory.dmp
memory/376-142-0x00000000055D0000-0x0000000005BF8000-memory.dmp
memory/376-155-0x00000000079B0000-0x0000000007A46000-memory.dmp
memory/376-154-0x00000000077A0000-0x00000000077AA000-memory.dmp
memory/376-146-0x0000000005470000-0x0000000005492000-memory.dmp
memory/376-148-0x0000000006430000-0x000000000644E000-memory.dmp
memory/376-151-0x00000000069C0000-0x00000000069DE000-memory.dmp
memory/376-152-0x0000000007D70000-0x00000000083EA000-memory.dmp
memory/376-149-0x00000000069F0000-0x0000000006A22000-memory.dmp
memory/1428-132-0x00000000002D0000-0x00000000003DC000-memory.dmp
memory/1428-135-0x0000000004DA0000-0x0000000004DAA000-memory.dmp
memory/1428-133-0x0000000005320000-0x00000000058C4000-memory.dmp
memory/1428-134-0x0000000004E10000-0x0000000004EA2000-memory.dmp
memory/1428-137-0x0000000007920000-0x0000000007986000-memory.dmp
memory/1428-136-0x0000000007610000-0x00000000076AC000-memory.dmp
memory/3604-156-0x00000000065E0000-0x0000000006630000-memory.dmp
memory/3604-144-0x0000000000400000-0x000000000043A000-memory.dmp