Analysis
- max time kernel
132s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
16/12/2022, 03:29
General
- Target SecuriteInfo.com.Win32.PWSX-gen.991.8244.exe
- Size 1.1MB
- Sample221216-d1wsragh3w
- SHA256 a35b36ce845e94ffdc55c885576befdaebe87409de141d3128815d65b7701b28
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
graceofgod@amenn
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- 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
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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\SecuriteInfo.com.Win32.PWSX-gen.991.8244.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.991.8244.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\GVmDWOSNRJZaWt.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GVmDWOSNRJZaWt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2376.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⤵
- 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
tmp2376.tmp
memory/2280-133-0x0000000007520000-0x0000000007AC4000-memory.dmp
memory/2280-134-0x0000000007050000-0x00000000070E2000-memory.dmp
memory/2280-135-0x0000000007030000-0x000000000703A000-memory.dmp
memory/2280-136-0x0000000005080000-0x000000000511C000-memory.dmp
memory/2280-132-0x00000000000A0000-0x00000000001C2000-memory.dmp
memory/4228-158-0x00000000063E0000-0x0000000006430000-memory.dmp
memory/4228-143-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4764-150-0x0000000006D00000-0x0000000006D1E000-memory.dmp
memory/4764-154-0x0000000007CE0000-0x0000000007D76000-memory.dmp
memory/4764-139-0x0000000002E30000-0x0000000002E66000-memory.dmp
memory/4764-144-0x00000000057B0000-0x00000000057D2000-memory.dmp
memory/4764-145-0x0000000005FA0000-0x0000000006006000-memory.dmp
memory/4764-146-0x0000000006110000-0x0000000006176000-memory.dmp
memory/4764-147-0x0000000006760000-0x000000000677E000-memory.dmp
memory/4764-148-0x0000000006D20000-0x0000000006D52000-memory.dmp
memory/4764-149-0x0000000070DB0000-0x0000000070DFC000-memory.dmp
memory/4764-151-0x00000000080B0000-0x000000000872A000-memory.dmp
memory/4764-152-0x0000000007A60000-0x0000000007A7A000-memory.dmp
memory/4764-153-0x0000000007AD0000-0x0000000007ADA000-memory.dmp
memory/4764-141-0x0000000005970000-0x0000000005F98000-memory.dmp
memory/4764-155-0x0000000007C90000-0x0000000007C9E000-memory.dmp
memory/4764-156-0x0000000007DA0000-0x0000000007DBA000-memory.dmp
memory/4764-157-0x0000000007D80000-0x0000000007D88000-memory.dmp