Analysis

  • max time kernel
    136s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    17-10-2021 23:58

General

  • Target

    Nuevo orden002______________________________________________.bat.exe

  • Size

    84.0MB

  • MD5

    c4deb0e775ada24710322868786c06ea

  • SHA1

    a0b9f4806ad995bfc7a91fc55f6b1d13ca39f359

  • SHA256

    73a61a3210194826bff95994b29f43e906b2304ebd181371db8025785612ca3e

  • SHA512

    37277ebb1918a5924ad5cc98f063348381ec0f227c73cf3fb75e12a044608f104bb8f17a34833f74fe9478a253a7441f461bd80d99f15d52f21a7a9e61e5c745

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mudanzasdistintas.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\Nuevo orden002______________________________________________.bat.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/472-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/472-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/472-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/472-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/472-64-0x0000000000436DCE-mapping.dmp

  • memory/472-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/472-67-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

    Filesize

    4KB

  • memory/1528-55-0x0000000074B91000-0x0000000074B93000-memory.dmp

    Filesize

    8KB

  • memory/1528-56-0x0000000004C10000-0x0000000004C11000-memory.dmp

    Filesize

    4KB

  • memory/1528-57-0x00000000005E0000-0x00000000005E5000-memory.dmp

    Filesize

    20KB

  • memory/1528-58-0x0000000000FB0000-0x0000000001007000-memory.dmp

    Filesize

    348KB

  • memory/1528-53-0x0000000001010000-0x0000000001011000-memory.dmp

    Filesize

    4KB