Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 18:57

General

  • Target

    Hing Man PO 12000319.exe

  • Size

    508KB

  • MD5

    3df3495c4e5d1e16be4310026b04e8f9

  • SHA1

    07d730f54ba2558cf49c6d3309606f165111d9c6

  • SHA256

    889c0d28e7f3ed6a39871d3121d74f05698570e511dfc9c011c40e3fda020dcc

  • SHA512

    280d1e933583d4a5d01650b0b09c88bce09a29dae44b48babd88660ee82b8c6ea4c5132eff303aed8780f351cec3db2815ff253d5c7627a7936f42e42b54e191

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    chuk5anderson@yandex.ru
  • Password:
    chukwudi123

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hing Man PO 12000319.exe
    "C:\Users\Admin\AppData\Local\Temp\Hing Man PO 12000319.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\Hing Man PO 12000319.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:108

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

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Downloads

  • memory/108-56-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-57-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-60-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-59-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-62-0x0000000000449E3E-mapping.dmp
  • memory/108-61-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-64-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-66-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/108-68-0x0000000074AC0000-0x000000007506B000-memory.dmp
    Filesize

    5.7MB

  • memory/1376-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
    Filesize

    8KB

  • memory/1376-55-0x0000000074AC0000-0x000000007506B000-memory.dmp
    Filesize

    5.7MB