Analysis
- max time kernel
149s - max time network
11s - platform
windows7_x64 - resource
win7v20201028 - submitted
26/02/2021, 08:55
General
- Target RFQ.exe
- Size 519KB
- Sample210226-ejaejq2yfs
- SHA256 ce45f8e14c6ad2c325d7b4037dbcdc5f3308a9e9aec290ed9b91809054a4a4b8
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1430995407:AAHXagqOb3lOiloF-tdsg1GOLPStlDuzDNw/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nWlomDVuvkU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1A1.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/324-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/324-12-0x0000000074D20000-0x000000007540E000-memory.dmp
memory/324-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/324-15-0x0000000004500000-0x0000000004501000-memory.dmp
memory/1012-2-0x0000000074D20000-0x000000007540E000-memory.dmp
memory/1012-3-0x0000000000260000-0x0000000000261000-memory.dmp
memory/1012-5-0x0000000004800000-0x0000000004801000-memory.dmp
memory/1012-6-0x0000000000660000-0x0000000000663000-memory.dmp
memory/1012-7-0x0000000004840000-0x000000000489C000-memory.dmp