Analysis

  • max time kernel
    11s
  • max time network
    104s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:55

General

  • Target
    DEMAND QUOTE Mr Steve.exe
  • Size 399KB
  • Sample201109-wbb4jbfsze
  • SHA256 9ebc53c7c3ea8d2540a12a1f49fe2f7bd026d468edd9fedeff57d39079d9d29e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.ru

  • Port

    587

  • Password

    solomon12345$$$1

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

  • AgentTesla Payload 2 IoCs
  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DEMAND QUOTE Mr Steve.exe
    "C:\Users\Admin\AppData\Local\Temp\DEMAND QUOTE Mr Steve.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4348

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4348-9-0x0000000000400000-0x000000000044E000-memory.dmp

        memory/4348-17-0x0000000005700000-0x0000000005701000-memory.dmp

        memory/4348-16-0x0000000005210000-0x0000000005211000-memory.dmp

        memory/4348-11-0x00000000739D0000-0x00000000740BE000-memory.dmp

        memory/4804-4-0x0000000005350000-0x0000000005351000-memory.dmp

        memory/4804-7-0x0000000007550000-0x00000000075A0000-memory.dmp

        memory/4804-8-0x00000000087F0000-0x00000000087F1000-memory.dmp

        memory/4804-6-0x0000000005810000-0x0000000005812000-memory.dmp

        memory/4804-5-0x00000000052F0000-0x00000000052F1000-memory.dmp

        memory/4804-0-0x00000000739D0000-0x00000000740BE000-memory.dmp

        memory/4804-3-0x0000000005850000-0x0000000005851000-memory.dmp

        memory/4804-1-0x0000000000A60000-0x0000000000A61000-memory.dmp