Analysis
- max time kernel
57s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:45
General
- Target 285100727000782928_PDF.exe
- Size 815KB
- Sample201109-pwshr57612
- SHA256 1c2bc3fe39eadb67c0a9712e29ea2f2daa523eb3440606a0348827c3f84daeda
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.acroative.com
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Port
587
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Username
-
Password
onegod5050()
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.acroative.com
-
Port
587
-
Username
-
Password
onegod5050()
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\285100727000782928_PDF.exe"C:\Users\Admin\AppData\Local\Temp\285100727000782928_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\285100727000782928_PDF.exe"C:\Users\Admin\AppData\Local\Temp\285100727000782928_PDF.exe"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
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Downloads
memory/3760-0-0x0000000000400000-0x00000000004AC000-memory.dmp
memory/3760-2-0x0000000000400000-0x00000000004AC000-memory.dmp
memory/3760-3-0x0000000000400000-0x00000000004AC000-memory.dmp
memory/3760-4-0x00000000009F0000-0x0000000000A40000-memory.dmp
memory/3760-5-0x00000000009E2000-0x00000000009E3000-memory.dmp