Analysis

  • max time kernel
    183s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:57

General

  • Target

    AWB#5305323204643,pdf.iso.exe

  • Size

    450KB

  • MD5

    e78990ab515ff33eb54dca91716e8743

  • SHA1

    bc5880de78651a50896d0d4f5d2508bc180bf73d

  • SHA256

    05d2a876ff034215c958e49dcfb4b7230c869bf646e7a72efe26b35bd0ab6ce3

  • SHA512

    4b0828024af99e1e92028af68da933a97b9e2d1c0d2a0b6897534628f0a3a1c5e4e558846d3aaa947cc283dab681b23a65d1d3671d27c1fd9f2dadb1e413d53e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Johnpaulifeanyi

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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.

  • 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 SetWindowsHookEx 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\AWB#5305323204643,pdf.iso.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB#5305323204643,pdf.iso.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\AWB#5305323204643,pdf.iso.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1264-56-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-57-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-59-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-60-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-62-0x000000000044B44E-mapping.dmp
  • memory/1264-61-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-64-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-66-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1264-68-0x0000000074CD0000-0x000000007527B000-memory.dmp
    Filesize

    5.7MB

  • memory/1952-54-0x00000000765C1000-0x00000000765C3000-memory.dmp
    Filesize

    8KB

  • memory/1952-55-0x0000000074D40000-0x00000000752EB000-memory.dmp
    Filesize

    5.7MB