Analysis

  • max time kernel
    131s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 11:42

General

  • Target

    1ba78cc61dcd5a846639762fb954d1de.exe

  • Size

    1.3MB

  • MD5

    1ba78cc61dcd5a846639762fb954d1de

  • SHA1

    80eb96d449d0e676c6bb608b7787834e80ca84e4

  • SHA256

    a4bb03a910b76efa7a34c7eb0554be36011abadbf0ec37055de74b0e7879582e

  • SHA512

    475c4237fa19f57e301e5e1a7487a201238952aca4d764d837979effb84071e968c6e119b180712a65144e88fff48a7702ccc6ed1bc015e887ae2a6ce0e77f70

  • SSDEEP

    24576:SWS/d32KzksSks2y8jA9aJu65iyxQogKVBtMN6ZNmZ:vKrQ9VZo7JIN6ZNm

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.barigarabia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ZdexWDrMLSb=

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 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\1ba78cc61dcd5a846639762fb954d1de.exe
    "C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe
      "C:\Users\Admin\AppData\Local\Temp\1ba78cc61dcd5a846639762fb954d1de.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2228-0-0x0000000000F10000-0x0000000001058000-memory.dmp

    Filesize

    1.3MB

  • memory/2228-1-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-2-0x0000000004F40000-0x0000000004F80000-memory.dmp

    Filesize

    256KB

  • memory/2228-3-0x0000000000350000-0x0000000000362000-memory.dmp

    Filesize

    72KB

  • memory/2228-4-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-5-0x0000000004F40000-0x0000000004F80000-memory.dmp

    Filesize

    256KB

  • memory/2228-6-0x00000000056B0000-0x000000000574E000-memory.dmp

    Filesize

    632KB

  • memory/2228-7-0x00000000006D0000-0x000000000070C000-memory.dmp

    Filesize

    240KB

  • memory/2228-19-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2656-21-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/2656-20-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2656-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2656-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-23-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2656-24-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/2656-25-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB