Analysis
- max time kernel
78s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
22/04/2022, 06:49
General
- Target Paynent Proof.exe
- Size 570KB
- Sample220422-hlb71sbba3
- SHA256 e4bba9c2af86f903aeecbaf44534222faf78b07bdb4c7604e747ecd6898e38e2
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5247465678:AAGGOHLa8afXBjk1YyN5cn09wUqGzH4PTuQ/sendDocument
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 6 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\Paynent Proof.exe"C:\Users\Admin\AppData\Local\Temp\Paynent Proof.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\SNjztgfJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SNjztgfJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EC9.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Paynent Proof.exe"C:\Users\Admin\AppData\Local\Temp\Paynent Proof.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- 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
Paynent Proof.exe.log
tmp5EC9.tmp
memory/3108-142-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3108-154-0x0000000006E20000-0x0000000006E70000-memory.dmp
memory/4380-131-0x0000000005AB0000-0x0000000006054000-memory.dmp
memory/4380-132-0x0000000005430000-0x00000000054C2000-memory.dmp
memory/4380-133-0x00000000054D0000-0x00000000054DA000-memory.dmp
memory/4380-134-0x0000000007650000-0x00000000076EC000-memory.dmp
memory/4380-135-0x0000000009150000-0x00000000091B6000-memory.dmp
memory/4380-130-0x0000000000A10000-0x0000000000AA4000-memory.dmp
memory/4700-144-0x00000000052F0000-0x0000000005312000-memory.dmp
memory/4700-149-0x0000000006850000-0x000000000686E000-memory.dmp
memory/4700-138-0x00000000029A0000-0x00000000029D6000-memory.dmp
memory/4700-145-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/4700-146-0x00000000062B0000-0x00000000062CE000-memory.dmp
memory/4700-147-0x0000000006870000-0x00000000068A2000-memory.dmp
memory/4700-148-0x0000000071580000-0x00000000715CC000-memory.dmp
memory/4700-140-0x00000000057F0000-0x0000000005E18000-memory.dmp
memory/4700-150-0x0000000007C00000-0x000000000827A000-memory.dmp
memory/4700-151-0x00000000075C0000-0x00000000075DA000-memory.dmp
memory/4700-152-0x0000000007630000-0x000000000763A000-memory.dmp
memory/4700-153-0x0000000007840000-0x00000000078D6000-memory.dmp
memory/4700-155-0x00000000077F0000-0x00000000077FE000-memory.dmp
memory/4700-156-0x0000000007900000-0x000000000791A000-memory.dmp
memory/4700-157-0x00000000078E0000-0x00000000078E8000-memory.dmp