Analysis
- max time kernel
122s - max time network
99s - platform
windows10_x64 - resource
win10v20201028 - 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 2 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nWlomDVuvkU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E8.tmp"2⤵
- Creates scheduled task(s)
-
-
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/896-11-0x00000000082B0000-0x00000000082B3000-memory.dmp
memory/896-5-0x0000000004B20000-0x0000000004B21000-memory.dmp
memory/896-7-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
memory/896-8-0x0000000002780000-0x0000000002781000-memory.dmp
memory/896-9-0x00000000027C0000-0x00000000027C1000-memory.dmp
memory/896-10-0x0000000004E50000-0x0000000004E51000-memory.dmp
memory/896-2-0x00000000739E0000-0x00000000740CE000-memory.dmp
memory/896-12-0x0000000000AE0000-0x0000000000B3C000-memory.dmp
memory/896-3-0x0000000000270000-0x0000000000271000-memory.dmp
memory/896-6-0x0000000005110000-0x0000000005111000-memory.dmp
memory/1520-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1520-18-0x00000000739E0000-0x00000000740CE000-memory.dmp
memory/1520-23-0x0000000005100000-0x0000000005101000-memory.dmp
memory/1520-24-0x0000000005C50000-0x0000000005C51000-memory.dmp
memory/1520-25-0x0000000005CE0000-0x0000000005CE1000-memory.dmp