Analysis

  • max time kernel
    116s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-07-2021 01:41

General

  • Target

    comprobante de pago.PDF.bat.exe

  • Size

    1.1MB

  • MD5

    8b606ce363521b23c5db44784d3999c4

  • SHA1

    ec7ad43128b11370fc53d93573c65b6e5b048fcd

  • SHA256

    a2cb7106a55573bd7292b3bda6280a141c91e0e0fdaf4253f4f8e18b7127823e

  • SHA512

    fac927b712ac43c2cfe9d6c46ae189a1b41e1b0f85081f4379056de8a7c218d193da9e07a6a51ee1d451be74f894092a627b1d50e2dbc5e73ba5340a45132694

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    serv-10708.handsonwebhosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\comprobante de pago.PDF.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\comprobante de pago.PDF.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\comprobante de pago.PDF.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\comprobante de pago.PDF.bat.exe"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1748

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1748-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1748-66-0x000000000043774E-mapping.dmp
  • memory/1748-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1748-69-0x0000000004C80000-0x0000000004C81000-memory.dmp
    Filesize

    4KB

  • memory/1944-59-0x00000000001D0000-0x00000000001D1000-memory.dmp
    Filesize

    4KB

  • memory/1944-61-0x0000000004D70000-0x0000000004D71000-memory.dmp
    Filesize

    4KB

  • memory/1944-62-0x00000000003C0000-0x00000000003DB000-memory.dmp
    Filesize

    108KB

  • memory/1944-63-0x0000000007F90000-0x0000000008012000-memory.dmp
    Filesize

    520KB

  • memory/1944-64-0x00000000009E0000-0x0000000000A1D000-memory.dmp
    Filesize

    244KB