Analysis

  • max time kernel
    59s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08-07-2020 11:35

General

  • Target

    Invoice approved.pdf.exe

  • Size

    676KB

  • MD5

    dec84f6b8adf05075f43025708c0ccaa

  • SHA1

    d8ed043b7b4057670dfbd7d7c8039fcb0f5de792

  • SHA256

    18a41b50c8885afe4978787aa8c44601134838f73f66e7edc520bad7d76bfad2

  • SHA512

    aaa3becc54d34d5ee1f884a527a1f73afbd774b72fc7d46106a87c4c08397447c3e2bae16275e5bc0b841ee332efd169fd12a9e4d021dbef086c69225e431cb9

Malware Config

Signatures

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 3 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.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe"
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice approved.pdf.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:1068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1068-0-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1068-2-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1068-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1068-4-0x0000000000390000-0x00000000003DC000-memory.dmp

    Filesize

    304KB

  • memory/1068-5-0x0000000000262000-0x0000000000263000-memory.dmp

    Filesize

    4KB

  • memory/1068-6-0x0000000000270000-0x00000000002B6000-memory.dmp

    Filesize

    280KB