Analysis
- max time kernel
120s - max time network
123s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
12/10/2023, 07:00
General
- Target 10122023WONG.exe
- Size 662KB
- Sample231012-hsnvdsch5s
- SHA256 cba91ca10ce9ec62e5785a3f2004655540054a281cb76a4fce46b56441b2a119
Malware Config
Extracted
-
agenttesla
-
https://discordapp.com/api/webhooks/1153700699834691685/M5gCinKbgwx1y0Un3wShojVYyovSobKStS9hh3xaGpbehVxd9J0PoL95zLfmRDpOlFyJ
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
- Adds Run key to start application 2 TTPs 1 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\10122023WONG.exe"C:\Users\Admin\AppData\Local\Temp\10122023WONG.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\10122023WONG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zJxUuqnDuXs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zJxUuqnDuXs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE753.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\10122023WONG.exe"C:\Users\Admin\AppData\Local\Temp\10122023WONG.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
tmpE753.tmp
00MPEEP20MJ2SGG9P2US.temp
d93f411851d7c929.customDestinations-ms
newapp.exe
memory/1032-3-0x00000000005A0000-0x00000000005B6000-memory.dmp
memory/1032-5-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/1032-6-0x00000000005B0000-0x00000000005C0000-memory.dmp
memory/1032-7-0x00000000056C0000-0x000000000573C000-memory.dmp
memory/1032-4-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/1032-0-0x0000000000AE0000-0x0000000000B8A000-memory.dmp
memory/1032-2-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/1032-1-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/1032-32-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/2524-30-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-41-0x0000000004A20000-0x0000000004A60000-memory.dmp
memory/2524-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2524-24-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-22-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-33-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-35-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-20-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-47-0x0000000073710000-0x0000000073DFE000-memory.dmp
memory/2524-26-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2524-46-0x0000000004A20000-0x0000000004A60000-memory.dmp
memory/2524-43-0x0000000073710000-0x0000000073DFE000-memory.dmp
memory/2724-38-0x00000000024F0000-0x0000000002530000-memory.dmp
memory/2724-40-0x000000006F8A0000-0x000000006FE4B000-memory.dmp
memory/2724-44-0x000000006F8A0000-0x000000006FE4B000-memory.dmp
memory/2724-36-0x000000006F8A0000-0x000000006FE4B000-memory.dmp
memory/2828-42-0x0000000002750000-0x0000000002790000-memory.dmp
memory/2828-45-0x000000006F8A0000-0x000000006FE4B000-memory.dmp
memory/2828-39-0x000000006F8A0000-0x000000006FE4B000-memory.dmp
memory/2828-37-0x000000006F8A0000-0x000000006FE4B000-memory.dmp