Analysis
- max time kernel
143s - max time network
146s - platform
windows10_x64 - resource
win10v20210410 - submitted
22/04/2021, 06:14
General
- Target 75ab568fe148e4d229533c5a6cd6b572.exe
- Size 446KB
- Sample210422-bgqb8bg8cs
- SHA256 fb91f67073fef8d391ccb08c31183ff2ff00e8a8ca0f71fb5bfce17fb0ddbd26
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
-
Host
janryone.xyz
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Port
587
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Username
-
Password
xv*ZM6fqfw&7
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe"C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exeC:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exeC:\Users\Admin\AppData\Local\Temp\75ab568fe148e4d229533c5a6cd6b572.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1832-126-0x0000000004F10000-0x000000000540E000-memory.dmp
memory/1832-119-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1832-124-0x0000000005410000-0x0000000005411000-memory.dmp
memory/1832-125-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/1832-127-0x0000000005390000-0x0000000005391000-memory.dmp
memory/1832-128-0x0000000005C70000-0x0000000005C71000-memory.dmp
memory/1832-129-0x00000000062B0000-0x00000000062B1000-memory.dmp
memory/1832-130-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/4436-117-0x00000000052C0000-0x0000000005301000-memory.dmp
memory/4436-118-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/4436-116-0x0000000001250000-0x0000000001252000-memory.dmp
memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmp