Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07-07-2020 09:58

General

  • Target

    pago albaran.exe

  • Size

    706KB

  • MD5

    bfb1ff98c1a8523e6fd93652bdc86f77

  • SHA1

    7f145a81dae5c26e6b6ea276c769e692ce60f0f6

  • SHA256

    db8790e7a52f33d965df31a00440e1a7d246bddd2fd9d7109e67c63b47630eb7

  • SHA512

    7315ed1f1f4a9ce9adc5df7f2652cbd951a6031f88a732aaa98b39fb2eb36b6b4d4bcf14c46c702fab422a6dee0329ecda1b6aad711659377a7385d390352f91

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.solivera.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ;4eT[uc"9A

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.solivera.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ;4eT[uc"9A

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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 64 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\pago albaran.exe
    "C:\Users\Admin\AppData\Local\Temp\pago albaran.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Users\Admin\AppData\Local\Temp\pago albaran.exe
      "C:\Users\Admin\AppData\Local\Temp\pago albaran.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
    • C:\Users\Admin\AppData\Local\Temp\pago albaran.exe
      "C:\Users\Admin\AppData\Local\Temp\pago albaran.exe" 2 2924 69406
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2924-1-0x00000000004A2300-mapping.dmp

  • memory/2924-0-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2924-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2924-4-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2924-5-0x0000000002160000-0x00000000021AC000-memory.dmp

    Filesize

    304KB

  • memory/2924-6-0x0000000002292000-0x0000000002293000-memory.dmp

    Filesize

    4KB

  • memory/3520-2-0x0000000000000000-mapping.dmp