Analysis
- max time kernel
97s - max time network
48s - platform
windows7_x64 - resource
win7-20220414-en - submitted
11/05/2022, 09:41
General
- Target PLACI-MIE SRL 11 MAY 22 - BML PAYMENT_pdf.exe
- Size 689KB
- Sample220511-lnt3dsbaak
- SHA256 bc69363fcef0e7f595585f876b41915ccd50ee5e2efcc27b23f18a905b03f0e5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.valtronics-ae.com
-
Port
587
-
Username
-
Password
DhdXcLr4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PLACI-MIE SRL 11 MAY 22 - BML PAYMENT_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PLACI-MIE SRL 11 MAY 22 - BML PAYMENT_pdf.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- 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\Local\Temp\PLACI-MIE SRL 11 MAY 22 - BML PAYMENT_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\PLACI-MIE SRL 11 MAY 22 - BML PAYMENT_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PLACI-MIE SRL 11 MAY 22 - BML PAYMENT_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/112-60-0x0000000005540000-0x0000000005586000-memory.dmp
memory/112-55-0x0000000076191000-0x0000000076193000-memory.dmp
memory/112-56-0x0000000000390000-0x0000000000398000-memory.dmp
memory/112-57-0x0000000005390000-0x0000000005426000-memory.dmp
memory/112-54-0x0000000000AA0000-0x0000000000B52000-memory.dmp
memory/992-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/992-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/992-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/992-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/992-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/992-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/992-71-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1704-72-0x000000006CB50000-0x000000006D0FB000-memory.dmp