Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    30-11-2021 08:03

General

  • Target

    PICTURE DRAWING DESIGN.exe

  • Size

    986KB

  • MD5

    bbc6caf6cfe3428798205216c2df85e1

  • SHA1

    ac68d4c0eb019bb5586057d2deb2174af18ad45a

  • SHA256

    eb869a427757689033110327cdcfbe5d406a47f60b3529b8903b0d00c1deb6e3

  • SHA512

    51dfda000e6dbb2f142c09e129b6fd87884ef3b642d289d69e2ceeee57d95386f22372bfb18038225d7bf37d5521776d7f072a2af174e1cfeb27d1df2565707b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.schoolofspanish.co.za
  • Port:
    587
  • Username:
    vds@schoolofspanish.co.za
  • Password:
    %pJ@=BsZ?pQv

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 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\PICTURE DRAWING DESIGN.exe
    "C:\Users\Admin\AppData\Local\Temp\PICTURE DRAWING DESIGN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:692
    • C:\Users\Admin\AppData\Local\Temp\PICTURE DRAWING DESIGN.exe
      "C:\Users\Admin\AppData\Local\Temp\PICTURE DRAWING DESIGN.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1756

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/692-55-0x0000000000D40000-0x0000000000D41000-memory.dmp
    Filesize

    4KB

  • memory/692-57-0x0000000004E90000-0x0000000004E91000-memory.dmp
    Filesize

    4KB

  • memory/692-58-0x0000000000B40000-0x0000000000B61000-memory.dmp
    Filesize

    132KB

  • memory/692-59-0x0000000004E91000-0x0000000004E92000-memory.dmp
    Filesize

    4KB

  • memory/692-60-0x0000000000A40000-0x0000000000A4B000-memory.dmp
    Filesize

    44KB

  • memory/692-61-0x0000000000A90000-0x0000000000A91000-memory.dmp
    Filesize

    4KB

  • memory/1756-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1756-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1756-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1756-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1756-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1756-67-0x0000000000436DDE-mapping.dmp
  • memory/1756-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1756-70-0x00000000049F0000-0x00000000049F1000-memory.dmp
    Filesize

    4KB