Analysis
- max time kernel
134s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
14/10/2022, 05:57
General
- Target SecuriteInfo.com.Win32.PWSX-gen.15371.11494.exe
- Size 1.2MB
- Sample221014-gnlc2aage8
- SHA256 78f97ed41aebd52392baaea3fb71f9ee25984ac6312b45794bcf21c333c2ab82
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.symmdentaesthetics.com/
-
Port
21
-
Username
-
Password
smartooo@12
-
Protocol
ftp
-
Host
ftp://ftp.symmdentaesthetics.com/
-
Port
21
-
Username
-
Password
smartooo@12
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.
- 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 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.15371.11494.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15371.11494.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VyvqWwktifBUp.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\VyvqWwktifBUp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E5C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15371.11494.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15371.11494.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
tmp5E5C.tmp
memory/2876-144-0x0000000004E00000-0x0000000005428000-memory.dmp
memory/2876-145-0x0000000004A30000-0x0000000004A52000-memory.dmp
memory/2876-157-0x0000000007230000-0x0000000007238000-memory.dmp
memory/2876-156-0x0000000007250000-0x000000000726A000-memory.dmp
memory/2876-155-0x0000000007140000-0x000000000714E000-memory.dmp
memory/2876-146-0x0000000004CD0000-0x0000000004D36000-memory.dmp
memory/2876-141-0x00000000021F0000-0x0000000002226000-memory.dmp
memory/2876-154-0x0000000007180000-0x0000000007216000-memory.dmp
memory/2876-153-0x0000000006F80000-0x0000000006F8A000-memory.dmp
memory/2876-152-0x0000000006F10000-0x0000000006F2A000-memory.dmp
memory/2876-151-0x0000000007560000-0x0000000007BDA000-memory.dmp
memory/2876-150-0x0000000006B90000-0x0000000006BAE000-memory.dmp
memory/2876-147-0x0000000005B20000-0x0000000005B3E000-memory.dmp
memory/2876-148-0x0000000006BB0000-0x0000000006BE2000-memory.dmp
memory/2876-149-0x0000000070AC0000-0x0000000070B0C000-memory.dmp
memory/3076-132-0x0000000000D90000-0x0000000000EC0000-memory.dmp
memory/3076-133-0x0000000005DD0000-0x0000000006374000-memory.dmp
memory/3076-135-0x0000000005860000-0x000000000586A000-memory.dmp
memory/3076-134-0x00000000058C0000-0x0000000005952000-memory.dmp
memory/3076-137-0x000000000A950000-0x000000000A9B6000-memory.dmp
memory/3076-136-0x000000000A540000-0x000000000A5DC000-memory.dmp
memory/3664-143-0x0000000000400000-0x000000000044C000-memory.dmp