Analysis
- max time kernel
128s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
12/09/2022, 12:48
General
- Target PROFORMA.EXE.exe
- Size 149KB
- Sample220912-p1ttyahadr
- SHA256 53cd75c785b440cbc32ded5c23144e59ec2d910618f3733dff686cefb699310c
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.overviewsupplies.com
-
Port
21
-
Username
-
Password
X#D=nV}7)9;]
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.overviewsupplies.com/
-
Port
21
-
Username
-
Password
X#D=nV}7)9;]
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 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 2 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe"C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\caspol.exe"C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\caspol.exe"C:\Users\Admin\AppData\Local\Temp\PROFORMA.EXE.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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
System.dll
memory/2672-145-0x0000000000401000-0x000000000062B000-memory.dmp
memory/2672-148-0x0000000072F90000-0x0000000073541000-memory.dmp
memory/2672-152-0x0000000072F90000-0x0000000073541000-memory.dmp
memory/2672-151-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/2672-150-0x00007FFD60350000-0x00007FFD60545000-memory.dmp
memory/2672-140-0x0000000000B30000-0x0000000000C30000-memory.dmp
memory/2672-141-0x0000000000B30000-0x0000000000C30000-memory.dmp
memory/2672-142-0x00007FFD60350000-0x00007FFD60545000-memory.dmp
memory/2672-144-0x0000000000400000-0x000000000062B000-memory.dmp
memory/2672-143-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/2672-147-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3324-134-0x0000000002800000-0x0000000002900000-memory.dmp
memory/3324-135-0x0000000002800000-0x0000000002900000-memory.dmp
memory/3324-149-0x0000000002800000-0x0000000002900000-memory.dmp
memory/3324-139-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/3324-137-0x00000000775B0000-0x0000000077753000-memory.dmp
memory/3324-136-0x00007FFD60350000-0x00007FFD60545000-memory.dmp