Analysis
- max time kernel
124s - max time network
103s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/03/2021, 17:07
General
- Target triage_dropped_file.exe
- Size 666KB
- Sample210317-j82gnlsp1e
- SHA256 b8d2d8256bd8611011c3a33010dba982649acfbdce46270925ee14a6bdfa6d94
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
DANIEL3116
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/672-7-0x00000000074F0000-0x00000000074F1000-memory.dmp
memory/672-12-0x000000000B5C0000-0x000000000B62A000-memory.dmp
memory/672-6-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/672-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/672-8-0x0000000005800000-0x0000000005801000-memory.dmp
memory/672-9-0x00000000078A0000-0x00000000078A1000-memory.dmp
memory/672-10-0x00000000077E0000-0x00000000077E2000-memory.dmp
memory/672-11-0x0000000008F20000-0x0000000008FC3000-memory.dmp
memory/672-5-0x0000000005BC0000-0x0000000005BC1000-memory.dmp
memory/672-3-0x0000000000D10000-0x0000000000D11000-memory.dmp
memory/2000-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2000-16-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/2000-21-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/2000-22-0x00000000061A0000-0x00000000061A1000-memory.dmp
memory/2000-23-0x0000000006240000-0x0000000006241000-memory.dmp
memory/2000-26-0x00000000055D1000-0x00000000055D2000-memory.dmp