Analysis

  • max time kernel
    54s
  • max time network
    6s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-07-2020 05:33

General

  • Target

    RFQ_Scan P.List Offer.exe

  • Size

    798KB

  • MD5

    d28296c04c7d6294029920bbe303f657

  • SHA1

    7c61ab06a8d29ee8026e42cf75e1017464521726

  • SHA256

    e3574b9f84ca8cf778a664b60c2d6fde9049c51a384f5fbe49003fe806afd966

  • SHA512

    122bfe5aa7e1f1d72b15460614205308f3a641104f36f395a9ae4f6307dc27bf1875a460e6e07a2823e6331be7784877f977e6dca7748b479bd044ef79d73443

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.insooryaexpresscargo.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    GuG5GK(3m7*Z

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • UPX packed file 3 IoCs

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

  • 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ_Scan P.List Offer.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_Scan P.List Offer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\RFQ_Scan P.List Offer.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ_Scan P.List Offer.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1072

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1072-8-0x0000000000000000-mapping.dmp

    • memory/1196-0-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1196-1-0x00000000004AEDD0-mapping.dmp

    • memory/1196-2-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1196-3-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/1196-4-0x00000000002D0000-0x0000000000322000-memory.dmp

      Filesize

      328KB

    • memory/1196-5-0x0000000001E62000-0x0000000001E63000-memory.dmp

      Filesize

      4KB

    • memory/1196-6-0x0000000000220000-0x000000000026B000-memory.dmp

      Filesize

      300KB