Analysis
- max time kernel
128s - max time network
121s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
18/02/2022, 17:52
General
- Target DHL Delivery Invoice.pdf.exe
- Size 803KB
- Sample220218-wfrbmsdfcl
- SHA256 39f3082d471fc7021c55f88ffaf38bc1996fdfe73685b526d1f5b2fafddf3e52
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
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Username
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Password
graceofgod@amen
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.pdf.exe"1⤵
- 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\sJtgBcvvrCla.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\sJtgBcvvrCla" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4682.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⤵
- 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
memory/1072-57-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/1072-56-0x0000000000390000-0x000000000039E000-memory.dmp
memory/1072-58-0x0000000005620000-0x00000000056DC000-memory.dmp
memory/1072-55-0x00000000748DE000-0x00000000748DF000-memory.dmp
memory/1072-61-0x0000000004750000-0x000000000478C000-memory.dmp
memory/1072-54-0x00000000001D0000-0x00000000002A0000-memory.dmp
memory/1424-69-0x000000006D1D1000-0x000000006D1D2000-memory.dmp
memory/1424-59-0x0000000075D61000-0x0000000075D63000-memory.dmp
memory/1424-74-0x0000000002612000-0x0000000002614000-memory.dmp
memory/1424-73-0x0000000002611000-0x0000000002612000-memory.dmp
memory/1424-71-0x000000006D1D2000-0x000000006D1D4000-memory.dmp
memory/1424-70-0x0000000002610000-0x0000000002611000-memory.dmp
memory/1812-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-68-0x00000000748DE000-0x00000000748DF000-memory.dmp
memory/1812-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-72-0x00000000049A0000-0x00000000049A1000-memory.dmp
memory/1812-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-75-0x00000000049A1000-0x00000000049A2000-memory.dmp