Analysis
- max time kernel
152s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
12/07/2022, 08:18
General
- Target Remittance Transfer form - ppt.exe
- Size 881KB
- Sample220712-j6958acec3
- SHA256 78f4c1b57aeb42e553d83ffdcfdb1dbbc9ab906fa96682d83b6284c6f1fcc5a4
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.atriaholdings.co.zw
-
Port
587
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Username
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Password
z(o(agu(RV
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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
- 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.
- 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 20 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Remittance Transfer form - ppt.exe"C:\Users\Admin\AppData\Local\Temp\Remittance Transfer form - ppt.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\VzPgFxEHngftP.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\VzPgFxEHngftP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2083.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Remittance Transfer form - ppt.exe"C:\Users\Admin\AppData\Local\Temp\Remittance Transfer form - ppt.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp2083.tmp
memory/3112-131-0x0000000005570000-0x0000000005B14000-memory.dmp
memory/3112-132-0x0000000004EE0000-0x0000000004F72000-memory.dmp
memory/3112-133-0x0000000004FA0000-0x0000000004FAA000-memory.dmp
memory/3112-134-0x00000000085F0000-0x000000000868C000-memory.dmp
memory/3112-135-0x000000000B230000-0x000000000B296000-memory.dmp
memory/3112-130-0x0000000000450000-0x0000000000532000-memory.dmp
memory/4768-141-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4768-146-0x0000000006950000-0x00000000069A0000-memory.dmp
memory/4852-142-0x0000000004EA0000-0x00000000054C8000-memory.dmp
memory/4852-139-0x0000000000E70000-0x0000000000EA6000-memory.dmp
memory/4852-143-0x0000000004C30000-0x0000000004C52000-memory.dmp
memory/4852-144-0x0000000004DD0000-0x0000000004E36000-memory.dmp
memory/4852-145-0x0000000005AD0000-0x0000000005AEE000-memory.dmp
memory/4852-147-0x0000000006140000-0x0000000006172000-memory.dmp
memory/4852-148-0x0000000070920000-0x000000007096C000-memory.dmp
memory/4852-149-0x0000000006000000-0x000000000601E000-memory.dmp
memory/4852-150-0x00000000075E0000-0x0000000007C5A000-memory.dmp
memory/4852-151-0x0000000006F80000-0x0000000006F9A000-memory.dmp
memory/4852-152-0x0000000006F40000-0x0000000006F4A000-memory.dmp
memory/4852-153-0x00000000071A0000-0x0000000007236000-memory.dmp