Analysis
- max time kernel
138s - max time network
121s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
03/04/2024, 19:44
General
- Target a4f9f5947d5b83dd5ae0c2d9bf1e0cc0_JaffaCakes118.exe
- Size 697KB
- Sample240403-yf2tgsbb79
- SHA256 9e36a287a30a93cddef62728a1b2455d3959cadabff594359d58cbf9ed4701af
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.aivazibis.com
-
Port
587
-
Username
-
Password
kp@BFLC1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 7 IoCs
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4f9f5947d5b83dd5ae0c2d9bf1e0cc0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a4f9f5947d5b83dd5ae0c2d9bf1e0cc0_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a4f9f5947d5b83dd5ae0c2d9bf1e0cc0_JaffaCakes118.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1224-1-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/1224-0-0x0000000000F80000-0x0000000001034000-memory.dmp
memory/1224-2-0x0000000004A40000-0x0000000004A80000-memory.dmp
memory/1224-3-0x00000000002C0000-0x00000000002D4000-memory.dmp
memory/1224-4-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/1224-5-0x0000000004A40000-0x0000000004A80000-memory.dmp
memory/1224-6-0x0000000004E50000-0x0000000004ECA000-memory.dmp
memory/1224-7-0x0000000000500000-0x000000000053C000-memory.dmp
memory/1224-18-0x00000000747A0000-0x0000000074E8E000-memory.dmp
memory/2556-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2556-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-21-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-19-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-16-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2556-22-0x0000000073870000-0x0000000073F5E000-memory.dmp
memory/2556-23-0x0000000000270000-0x00000000002B0000-memory.dmp
memory/2556-24-0x0000000073870000-0x0000000073F5E000-memory.dmp
memory/2556-25-0x0000000000270000-0x00000000002B0000-memory.dmp
memory/2556-26-0x0000000000270000-0x00000000002B0000-memory.dmp
memory/2556-27-0x0000000000270000-0x00000000002B0000-memory.dmp