Analysis
- max time kernel
89s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:53
General
- Target gunzipped.exe
- Size 401KB
- Sample201109-7yp7bckfcn
- SHA256 bcbc247fa3511376777587035868c9a0f8fda850fa5f7d84c81fa5de905bc0d6
Malware Config
Extracted
-
Protocol
smtp
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Host
smtp.mail.ru
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Port
587
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Username
-
Password
obinna300
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- 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\gunzipped.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/980-7-0x00000000089B0000-0x00000000089B1000-memory.dmp
memory/980-3-0x00000000059D0000-0x00000000059D1000-memory.dmp
memory/980-4-0x0000000005410000-0x0000000005411000-memory.dmp
memory/980-5-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/980-6-0x0000000005720000-0x0000000005722000-memory.dmp
memory/980-0-0x0000000073310000-0x00000000739FE000-memory.dmp
memory/980-8-0x0000000008950000-0x000000000899D000-memory.dmp
memory/980-1-0x0000000000B50000-0x0000000000B51000-memory.dmp
memory/2876-9-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2876-12-0x0000000073310000-0x00000000739FE000-memory.dmp
memory/2876-17-0x0000000005090000-0x0000000005091000-memory.dmp
memory/2876-18-0x0000000005BD0000-0x0000000005BD1000-memory.dmp