Analysis

  • max time kernel
    77s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    14/08/2020, 08:11

General

  • Target
    shedy.exe
  • Size 799KB
  • Sample200814-kk8yerwxfe
  • SHA256 659cae123fddea653c5ca19e452e809bedb01e283b442dff20f0f5e674a35b1c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.myvfxpro.com

  • Port

    587

  • Password

    N)ZB+ym2x5QD

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 236 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shedy.exe
    "C:\Users\Admin\AppData\Local\Temp\shedy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\shedy.exe
      "C:\Users\Admin\AppData\Local\Temp\shedy.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1180
    • C:\Users\Admin\AppData\Local\Temp\shedy.exe
      "C:\Users\Admin\AppData\Local\Temp\shedy.exe" 2 1180 83343
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1300

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1180-11-0x0000000004E20000-0x0000000004E21000-memory.dmp

        memory/1180-14-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

        memory/1180-3-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/1180-15-0x0000000005C90000-0x0000000005C91000-memory.dmp

        memory/1180-4-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/1180-5-0x00000000009E0000-0x0000000000A2A000-memory.dmp

        memory/1180-10-0x0000000004920000-0x0000000004921000-memory.dmp

        memory/1180-6-0x0000000002302000-0x0000000002303000-memory.dmp

        memory/1180-0-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/1180-12-0x0000000004F00000-0x0000000004F01000-memory.dmp

        memory/1180-13-0x0000000005470000-0x0000000005471000-memory.dmp

        memory/1180-7-0x0000000073270000-0x000000007395E000-memory.dmp