Analysis
- max time kernel
105s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
05/05/2023, 14:35
General
- Target AWB#5118476327.pdf.exe
- Size 1013KB
- Sample230505-rxzxwsda21
- SHA256 a1147ccf60f6595605bbdef6050964cfe9223e65820ea9c354f54ceabdab8d9b
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
marcellinus360
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
marcellinus360
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.
- 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 7 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\AWB#5118476327.pdf.exe"C:\Users\Admin\AppData\Local\Temp\AWB#5118476327.pdf.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\hOgQfGNEAXHggJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hOgQfGNEAXHggJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8618.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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_pwn1nmct.5n5.ps1
tmp8618.tmp
memory/3256-134-0x0000000007AF0000-0x0000000008094000-memory.dmp
memory/3256-135-0x0000000007540000-0x00000000075D2000-memory.dmp
memory/3256-136-0x0000000005130000-0x000000000513A000-memory.dmp
memory/3256-137-0x00000000077B0000-0x00000000077C0000-memory.dmp
memory/3256-138-0x00000000077B0000-0x00000000077C0000-memory.dmp
memory/3256-139-0x0000000005870000-0x000000000590C000-memory.dmp
memory/3256-133-0x0000000000500000-0x0000000000604000-memory.dmp
memory/3308-162-0x0000000005460000-0x0000000005470000-memory.dmp
memory/3308-168-0x0000000072E80000-0x0000000072ECC000-memory.dmp
memory/3308-149-0x0000000005A60000-0x0000000005A82000-memory.dmp
memory/3308-155-0x00000000061C0000-0x0000000006226000-memory.dmp
memory/3308-146-0x0000000005AA0000-0x00000000060C8000-memory.dmp
memory/3308-157-0x00000000062A0000-0x0000000006306000-memory.dmp
memory/3308-185-0x0000000007EE0000-0x0000000007EE8000-memory.dmp
memory/3308-144-0x00000000052F0000-0x0000000005326000-memory.dmp
memory/3308-163-0x0000000005460000-0x0000000005470000-memory.dmp
memory/3308-164-0x0000000005620000-0x000000000563E000-memory.dmp
memory/3308-165-0x0000000005460000-0x0000000005470000-memory.dmp
memory/3308-166-0x000000007EEA0000-0x000000007EEB0000-memory.dmp
memory/3308-167-0x0000000007A70000-0x0000000007AA2000-memory.dmp
memory/3308-184-0x0000000007F00000-0x0000000007F1A000-memory.dmp
memory/3308-178-0x0000000006E60000-0x0000000006E7E000-memory.dmp
memory/3308-179-0x00000000081F0000-0x000000000886A000-memory.dmp
memory/3308-180-0x0000000007BB0000-0x0000000007BCA000-memory.dmp
memory/3308-181-0x0000000007C20000-0x0000000007C2A000-memory.dmp
memory/3308-182-0x0000000007E40000-0x0000000007ED6000-memory.dmp
memory/3308-183-0x0000000007DF0000-0x0000000007DFE000-memory.dmp
memory/4988-147-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4988-161-0x0000000005400000-0x0000000005410000-memory.dmp
memory/4988-188-0x0000000005400000-0x0000000005410000-memory.dmp
memory/4988-189-0x00000000068C0000-0x0000000006910000-memory.dmp
memory/4988-193-0x0000000005400000-0x0000000005410000-memory.dmp
memory/4988-194-0x0000000005400000-0x0000000005410000-memory.dmp