Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
09/06/2023, 09:35
General
- Target RFQ-SIS190523CS.exe
- Size 795KB
- Sample230609-lkbrmsbg73
- SHA256 cfc75e9e4f9a40fcfd3d8040a814a7922cde8086ea49087afafa6f23b97f048a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
DKL!@eK8
-
Email to
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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ-SIS190523CS.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-SIS190523CS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RFQ-SIS190523CS.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-SIS190523CS.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ-SIS190523CS.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-SIS190523CS.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
RFQ-SIS190523CS.exe.log
memory/2780-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2780-147-0x0000000005840000-0x0000000005850000-memory.dmp
memory/2780-146-0x00000000067F0000-0x00000000069B2000-memory.dmp
memory/2780-145-0x00000000065D0000-0x0000000006620000-memory.dmp
memory/2780-144-0x0000000005840000-0x0000000005850000-memory.dmp
memory/2780-143-0x00000000057C0000-0x0000000005826000-memory.dmp
memory/3700-136-0x0000000004D90000-0x0000000004D9A000-memory.dmp
memory/3700-139-0x0000000007C90000-0x0000000007D2C000-memory.dmp
memory/3700-138-0x0000000004F50000-0x0000000004F60000-memory.dmp
memory/3700-137-0x0000000004F50000-0x0000000004F60000-memory.dmp
memory/3700-133-0x0000000000300000-0x00000000003CE000-memory.dmp
memory/3700-135-0x0000000004DF0000-0x0000000004E82000-memory.dmp
memory/3700-134-0x0000000005300000-0x00000000058A4000-memory.dmp