Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
13/06/2023, 10:33
General
- Target f652ff62cc4b617cc1faf81f1d57a192.exe
- Size 741KB
- Sample230613-mlh3sagc8x
- SHA256 eb4b358d784a43733f3b307b562f7d3282cc07d94be7526cd8600bf8a4bee530
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.agrilivestock.net
-
Port
587
-
Username
-
Password
bk?fbH0ox.EC^
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.agrilivestock.net
-
Port
587
-
Username
-
Password
bk?fbH0ox.EC^
-
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 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
- Looks up external IP address via web service 2 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f652ff62cc4b617cc1faf81f1d57a192.exe"C:\Users\Admin\AppData\Local\Temp\f652ff62cc4b617cc1faf81f1d57a192.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\tnKxTjIeQjV.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\tnKxTjIeQjV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D31.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\f652ff62cc4b617cc1faf81f1d57a192.exe"C:\Users\Admin\AppData\Local\Temp\f652ff62cc4b617cc1faf81f1d57a192.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\f652ff62cc4b617cc1faf81f1d57a192.exe"C:\Users\Admin\AppData\Local\Temp\f652ff62cc4b617cc1faf81f1d57a192.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
__PSScriptPolicyTest_0d1uhnje.3kg.ps1
tmp6D31.tmp
memory/616-134-0x0000000005260000-0x0000000005804000-memory.dmp
memory/616-135-0x0000000004D50000-0x0000000004DE2000-memory.dmp
memory/616-136-0x0000000004CE0000-0x0000000004CEA000-memory.dmp
memory/616-137-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
memory/616-138-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
memory/616-139-0x0000000007D10000-0x0000000007DAC000-memory.dmp
memory/616-133-0x0000000000250000-0x0000000000310000-memory.dmp
memory/968-145-0x0000000004750000-0x0000000004786000-memory.dmp
memory/968-177-0x00000000062A0000-0x00000000062BE000-memory.dmp
memory/968-148-0x0000000004DC0000-0x00000000053E8000-memory.dmp
memory/968-185-0x0000000007330000-0x0000000007338000-memory.dmp
memory/968-151-0x0000000004D40000-0x0000000004D62000-memory.dmp
memory/968-152-0x0000000005520000-0x0000000005586000-memory.dmp
memory/968-153-0x0000000005690000-0x00000000056F6000-memory.dmp
memory/968-146-0x0000000000AE0000-0x0000000000AF0000-memory.dmp
memory/968-184-0x0000000007350000-0x000000000736A000-memory.dmp
memory/968-164-0x0000000005D00000-0x0000000005D1E000-memory.dmp
memory/968-165-0x0000000000AE0000-0x0000000000AF0000-memory.dmp
memory/968-166-0x00000000062C0000-0x00000000062F2000-memory.dmp
memory/968-167-0x0000000070910000-0x000000007095C000-memory.dmp
memory/968-147-0x0000000000AE0000-0x0000000000AF0000-memory.dmp
memory/968-178-0x0000000007650000-0x0000000007CCA000-memory.dmp
memory/968-179-0x0000000007000000-0x000000000701A000-memory.dmp
memory/968-180-0x000000007F1D0000-0x000000007F1E0000-memory.dmp
memory/968-181-0x0000000007070000-0x000000000707A000-memory.dmp
memory/968-182-0x0000000007290000-0x0000000007326000-memory.dmp
memory/968-183-0x0000000007240000-0x000000000724E000-memory.dmp
memory/3788-163-0x0000000005650000-0x0000000005660000-memory.dmp
memory/3788-149-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3788-188-0x0000000006CC0000-0x0000000006D10000-memory.dmp
memory/3788-189-0x0000000006EE0000-0x00000000070A2000-memory.dmp
memory/3788-196-0x0000000005650000-0x0000000005660000-memory.dmp