Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:27

General

  • Target

    Price offer-May.exe

  • Size

    698KB

  • MD5

    f5acd7166559a9e8257e9ab901ddc80f

  • SHA1

    28791247e81273360160598609b11056322ef827

  • SHA256

    cd41beb4d2b564bf1a91656755247e37487c7dd24d22cae84c9de2428535c7c0

  • SHA512

    8b420b8c122deb50548f34d1b85b030d14c4fdc5b8a6fa891e586207650ca7dc734c9e0e2dae25dc9aea277ace3014c6ee379528eb5f8c860f8bb59a7c5ff02c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sages101

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\Price offer-May.exe
    "C:\Users\Admin\AppData\Local\Temp\Price offer-May.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Local\Temp\Price offer-May.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2040

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/860-54-0x0000000075541000-0x0000000075543000-memory.dmp
    Filesize

    8KB

  • memory/860-55-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB

  • memory/2040-56-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-57-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-59-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-60-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-61-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-62-0x0000000000449EBE-mapping.dmp
  • memory/2040-64-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-66-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2040-68-0x0000000074280000-0x000000007482B000-memory.dmp
    Filesize

    5.7MB