Analysis
- max time kernel
112s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
20/04/2021, 11:33
General
- Target 334# ARD_QUOTATION (2).exe
- Size 343KB
- Sample210420-gp6lp1ew6a
- SHA256 49dfecc9b9d122b59de9c748c4c86308d6666a707bcdefa910cf9be7780b68bc
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.mynewexodus.com
-
Port
587
-
Username
-
Password
$FSBGU(7
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Loads dropped DLL 1 IoCs
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\334# ARD_QUOTATION (2).exe"C:\Users\Admin\AppData\Local\Temp\334# ARD_QUOTATION (2).exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\334# ARD_QUOTATION (2).exe"C:\Users\Admin\AppData\Local\Temp\334# ARD_QUOTATION (2).exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2004-122-0x0000000000400000-0x000000000044D000-memory.dmp
memory/2004-126-0x0000000004894000-0x0000000004895000-memory.dmp
memory/2004-118-0x00000000047D0000-0x0000000004807000-memory.dmp
memory/2004-120-0x00000000048A0000-0x00000000048A1000-memory.dmp
memory/2004-121-0x0000000004E70000-0x0000000004E71000-memory.dmp
memory/2004-130-0x00000000058B0000-0x00000000058B1000-memory.dmp
memory/2004-125-0x0000000004893000-0x0000000004894000-memory.dmp
memory/2004-123-0x0000000004890000-0x0000000004891000-memory.dmp
memory/2004-124-0x0000000004892000-0x0000000004893000-memory.dmp
memory/2004-129-0x0000000005C60000-0x0000000005C61000-memory.dmp
memory/2004-127-0x00000000057B0000-0x00000000057B1000-memory.dmp
memory/2004-128-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/3456-116-0x0000000002BB1000-0x0000000002BB3000-memory.dmp
memory/3456-115-0x0000000002BB0000-0x0000000002BB1000-memory.dmp