Analysis
- max time kernel
9s - max time network
9s - platform
windows7_x64 - resource
win7v20201028 - submitted
26/02/2021, 13:42
General
- Target INVOICE_PRFpdf.exe
- Size 345KB
- Sample210226-6tpwd6raw2
- SHA256 95c008fdb0ff81d4b148fac86341f08e5ee8dc036b4f4a1a6d4140c98ae2a136
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Loads dropped DLL 2 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.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE_PRFpdf.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_PRFpdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVOICE_PRFpdf.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_PRFpdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 5083⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/792-2-0x0000000076861000-0x0000000076863000-memory.dmp
memory/1728-17-0x0000000001EF0000-0x0000000001EF1000-memory.dmp
memory/1728-15-0x0000000002310000-0x0000000002321000-memory.dmp
memory/1728-14-0x0000000001F40000-0x0000000001F51000-memory.dmp
memory/1976-9-0x00000000004A1000-0x00000000004A2000-memory.dmp
memory/1976-11-0x00000000004A7000-0x00000000004A8000-memory.dmp
memory/1976-12-0x00000000004A8000-0x00000000004A9000-memory.dmp
memory/1976-10-0x00000000004A2000-0x00000000004A4000-memory.dmp
memory/1976-8-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/1976-7-0x0000000000400000-0x000000000044B000-memory.dmp