Analysis
- max time kernel
135s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
20/06/2023, 06:28
General
- Target Proforma Invoice.exe
- Size 727KB
- Sample230620-g8bpbsbe9w
- SHA256 e33e4865fd5388cb8d3b67d1919d3ec2ee596463012327798fed93a2a282e4bb
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6171107032:AAGnuLkWapUakrcrpegbgibDbN3r0phVBG4/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"2⤵
- 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
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Downloads
Proforma Invoice.exe.log
memory/740-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/740-147-0x0000000006880000-0x0000000006A42000-memory.dmp
memory/740-146-0x0000000006660000-0x00000000066B0000-memory.dmp
memory/740-145-0x0000000005160000-0x0000000005170000-memory.dmp
memory/740-144-0x0000000005160000-0x0000000005170000-memory.dmp
memory/740-143-0x0000000005010000-0x0000000005076000-memory.dmp
memory/4572-136-0x0000000004B90000-0x0000000004B9A000-memory.dmp
memory/4572-139-0x0000000006840000-0x00000000068DC000-memory.dmp
memory/4572-138-0x0000000004DB0000-0x0000000004DC0000-memory.dmp
memory/4572-137-0x0000000004DB0000-0x0000000004DC0000-memory.dmp
memory/4572-133-0x0000000000120000-0x00000000001DC000-memory.dmp
memory/4572-135-0x0000000004C00000-0x0000000004C92000-memory.dmp
memory/4572-134-0x0000000005110000-0x00000000056B4000-memory.dmp