Analysis
- max time kernel
166s - max time network
175s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
04/10/2022, 13:31
General
- Target payment.exe
- Size 1.2MB
- Sample221004-qsc2wsbdcl
- SHA256 a11dec6fb979c85a9709903d66713f682c3ea031480b2e80cfb289b8073b1a43
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.pisc.lk
-
Port
587
-
Username
-
Password
PIsafeTY2021
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\payment.exe"C:\Users\Admin\AppData\Local\Temp\payment.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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\UzwOFK.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\UzwOFK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp26D7.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- 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
tmp26D7.tmp
memory/2336-151-0x0000000006990000-0x00000000069E0000-memory.dmp
memory/2336-144-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2740-147-0x0000000006980000-0x000000000699E000-memory.dmp
memory/2740-158-0x0000000008030000-0x0000000008038000-memory.dmp
memory/2740-157-0x0000000008050000-0x000000000806A000-memory.dmp
memory/2740-140-0x0000000003050000-0x0000000003086000-memory.dmp
memory/2740-156-0x0000000007F00000-0x0000000007F0E000-memory.dmp
memory/2740-142-0x0000000005E20000-0x0000000006448000-memory.dmp
memory/2740-155-0x0000000007F10000-0x0000000007FA6000-memory.dmp
memory/2740-154-0x0000000007D00000-0x0000000007D0A000-memory.dmp
memory/2740-145-0x00000000058D0000-0x00000000058F2000-memory.dmp
memory/2740-146-0x0000000005A70000-0x0000000005AD6000-memory.dmp
memory/2740-153-0x0000000006FA0000-0x0000000006FBA000-memory.dmp
memory/2740-148-0x0000000006F50000-0x0000000006F82000-memory.dmp
memory/2740-149-0x0000000070970000-0x00000000709BC000-memory.dmp
memory/2740-150-0x0000000006D30000-0x0000000006D4E000-memory.dmp
memory/2740-152-0x0000000008320000-0x000000000899A000-memory.dmp
memory/4444-133-0x0000000008120000-0x00000000086C4000-memory.dmp
memory/4444-137-0x000000000BB40000-0x000000000BBA6000-memory.dmp
memory/4444-134-0x0000000007C10000-0x0000000007CA2000-memory.dmp
memory/4444-135-0x0000000007BC0000-0x0000000007BCA000-memory.dmp
memory/4444-136-0x000000000B710000-0x000000000B7AC000-memory.dmp
memory/4444-132-0x0000000000C10000-0x0000000000D50000-memory.dmp