Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    30-06-2020 13:21

General

  • Target

    customer ew order.exe

  • Size

    406KB

  • MD5

    3f9ef8b43424abd7de6ffda25e0f3084

  • SHA1

    6c9625c5d9d6ff7b15c391cee17b9c59499f61fe

  • SHA256

    9c3e77fb2e750cac9a2557d9b1a0bb202094e0a11605196c6786f3594fcd15d0

  • SHA512

    5608b14a8b43ab2c0aa77a89e9d7fc639384c77da261e4af373fdfe213a4083827a59e26ff36abe78c2666ca607a3a58ed0fda7fe47027353a53e348bb2bfb6c

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.good-speaker.com
  • Port:
    587
  • Username:
    info@good-speaker.com
  • Password:
    123456789

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.good-speaker.com
  • Port:
    587
  • Username:
    info@good-speaker.com
  • Password:
    123456789

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\customer ew order.exe
    "C:\Users\Admin\AppData\Local\Temp\customer ew order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Users\Admin\AppData\Local\Temp\customer ew order.exe
      "{path}"
      2⤵
        PID:3900
      • C:\Users\Admin\AppData\Local\Temp\customer ew order.exe
        "{path}"
        2⤵
          PID:3928
        • C:\Users\Admin\AppData\Local\Temp\customer ew order.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3948

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      3
      T1081

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\customer ew order.exe.log
        MD5

        3753b01eddc20f64178eaf3d55b5c146

        SHA1

        ca50665940eb8519e1df0c1f185fb72a271c2a66

        SHA256

        99096651b1d9b4a7562f56c8e42c06d1166f7f22a93816e2862317ada8154b37

        SHA512

        566366e651e94fab25454fb0199508cd62a64723137b32fbd5bee531110403d9194b9a4fc053740c571a69e820c1c72e48d65fc3a5410a22b6ae9d2e55508bf3

      • memory/3948-0-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

      • memory/3948-1-0x000000000044735E-mapping.dmp