Analysis
- max time kernel
123s - max time network
126s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:09
General
- Target a99174042329cd7d3a9cbe374833c1b8.exe
- Size 442KB
- Sample201109-yaj3el7phx
- SHA256 afa35fe4f4123c181f93d54914069a0e4f4ce56aa30f8051b2eec2ea66a0881a
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.landiee.me
-
Port
587
-
Username
-
Password
%paVnVt2
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.landiee.me
-
Port
587
-
Username
-
Password
%paVnVt2
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a99174042329cd7d3a9cbe374833c1b8.exe"C:\Users\Admin\AppData\Local\Temp\a99174042329cd7d3a9cbe374833c1b8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a99174042329cd7d3a9cbe374833c1b8.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\a99174042329cd7d3a9cbe374833c1b8.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/732-7-0x000000000A810000-0x000000000A863000-memory.dmp
memory/732-8-0x000000000A920000-0x000000000A921000-memory.dmp
memory/732-3-0x00000000074E0000-0x00000000074E1000-memory.dmp
memory/732-4-0x00000000070C0000-0x00000000070C1000-memory.dmp
memory/732-5-0x0000000007240000-0x0000000007241000-memory.dmp
memory/732-6-0x000000000A5B0000-0x000000000A5B2000-memory.dmp
memory/732-0-0x00000000730E0000-0x00000000737CE000-memory.dmp
memory/732-1-0x0000000000340000-0x0000000000341000-memory.dmp
memory/3336-17-0x0000000005B30000-0x0000000005B31000-memory.dmp
memory/3336-11-0x00000000730E0000-0x00000000737CE000-memory.dmp
memory/3336-16-0x0000000004F00000-0x0000000004F01000-memory.dmp
memory/3336-9-0x0000000000400000-0x0000000000452000-memory.dmp