Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
01/07/2024, 12:01
General
- Target 1b38c1e6bece1fbfd546f1016a6b17d7_JaffaCakes118.exe
- Size 533KB
- Sample240701-n6xbkstemn
- SHA256 eed1ff326beb0779b3fefef65ca73bec04723ccc72db283557aa6a73a28a3d1f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
godisgreat
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Executes dropped EXE 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b38c1e6bece1fbfd546f1016a6b17d7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1b38c1e6bece1fbfd546f1016a6b17d7_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- 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
InstallUtil.exe
memory/1960-11-0x0000000006BE0000-0x0000000006BF4000-memory.dmp
memory/1960-18-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/1960-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp
memory/1960-4-0x0000000004EC0000-0x0000000004F5C000-memory.dmp
memory/1960-5-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/1960-6-0x00000000062D0000-0x00000000062F8000-memory.dmp
memory/1960-7-0x0000000006370000-0x00000000063D6000-memory.dmp
memory/1960-8-0x0000000006330000-0x0000000006352000-memory.dmp
memory/1960-9-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/1960-1-0x0000000000350000-0x00000000003DC000-memory.dmp
memory/1960-2-0x0000000005330000-0x00000000058D4000-memory.dmp
memory/1960-12-0x00000000091E0000-0x00000000091E6000-memory.dmp
memory/1960-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp
memory/3312-14-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3312-19-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/3312-20-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/3312-21-0x00000000058F0000-0x0000000005908000-memory.dmp
memory/3312-22-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/3312-23-0x00000000064F0000-0x0000000006540000-memory.dmp
memory/3312-24-0x0000000006660000-0x000000000666A000-memory.dmp
memory/3312-25-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/3312-26-0x0000000074B10000-0x00000000752C0000-memory.dmp