Analysis
- max time kernel
99s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
17/09/2024, 15:27
General
- Target oc_202486545346576879879856879876756875246.exe
- Size 1.1MB
- Sample240917-svve3aybpc
- SHA256 6d7383506176b2d66904efea5dfee58a70ad683ee01d9bf6a49066a92ab81cf6
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1749457201:AAGWIY2QPzrHZIumAIUsWjyRAEWcJrauccY/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Drops file in Drivers directory 1 IoCs
- Drops startup file 1 IoCs
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of SetWindowsHookEx 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\oc_202486545346576879879856879876756875246.exe"C:\Users\Admin\AppData\Local\Temp\oc_202486545346576879879856879876756875246.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\zero\xapp.exe"C:\Users\Admin\AppData\Local\Temp\oc_202486545346576879879856879876756875246.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\oc_202486545346576879879856879876756875246.exe"3⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
xapp.exe
memory/1140-16-0x0000000075160000-0x0000000075910000-memory.dmp
memory/1140-17-0x0000000005140000-0x00000000051DC000-memory.dmp
memory/1140-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1140-13-0x000000007516E000-0x000000007516F000-memory.dmp
memory/1140-14-0x0000000005390000-0x0000000005934000-memory.dmp
memory/1140-15-0x0000000004EE0000-0x0000000004F72000-memory.dmp
memory/1140-24-0x0000000000FF0000-0x0000000000FFA000-memory.dmp
memory/1140-23-0x0000000006040000-0x0000000006090000-memory.dmp
memory/1140-18-0x00000000052E0000-0x00000000052F8000-memory.dmp
memory/1140-19-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/1140-20-0x000000007516E000-0x000000007516F000-memory.dmp
memory/1140-21-0x0000000075160000-0x0000000075910000-memory.dmp
memory/3144-2-0x0000000004360000-0x0000000004760000-memory.dmp
memory/4292-10-0x0000000003FD0000-0x00000000043D0000-memory.dmp