Analysis
- max time kernel
148s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
25/03/2021, 07:10
General
- Target payment advice.pdf.exe
- Size 1001KB
- Sample210325-k4s4fxcd76
- SHA256 870eb8a97b16ac3b0f7c259a91be78b86778433e4e06d5f35ad2007427c28749
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
104socceryandex
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\payment advice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\payment advice.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ywCPCJNwztC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0D9.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\payment advice.pdf.exe"C:\Users\Admin\AppData\Local\Temp\payment advice.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/628-11-0x0000000000F10000-0x0000000000F1B000-memory.dmp
memory/628-5-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/628-7-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/628-8-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
memory/628-9-0x0000000005090000-0x0000000005091000-memory.dmp
memory/628-10-0x0000000001030000-0x0000000001031000-memory.dmp
memory/628-2-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/628-12-0x0000000005C90000-0x0000000005D0A000-memory.dmp
memory/628-3-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/628-6-0x0000000005390000-0x0000000005391000-memory.dmp
memory/3548-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3548-18-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/3548-23-0x0000000003250000-0x0000000003251000-memory.dmp
memory/3548-24-0x00000000054D0000-0x00000000054D1000-memory.dmp
memory/3548-25-0x0000000006040000-0x0000000006041000-memory.dmp