Analysis

  • max time kernel
    99s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2022 07:38

General

  • Target

    a99825a4e67381047a40882b19035d89.exe

  • Size

    836KB

  • MD5

    a99825a4e67381047a40882b19035d89

  • SHA1

    5e62adeb2881aba4c9d53dac5337ba8e8ebf6ccd

  • SHA256

    8e13d2811b868a517d94bfe74134e172fa719c752510802cbb26a60131b7a9f3

  • SHA512

    bdd83e1c6a21ba1d7dab2a474ed64ba0bb7ccec2946aea465cff1d800c1a54ba82499bdf288d03192e1639d3796609fe7a5b1e600d4195a0bd866bf78801b510

  • SSDEEP

    12288:z2iN7QhQ/Zl6+auQKuIcJhjeVa7FYDoSFJgnPecAz40gotP0oe:z1qC/2+aeBcJhaWFYDoSz4ecAz4Gtre

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5618720367:AAFqeS2K5cBYFRaIBpS6oi_RaSYSI0_A__w/

Signatures

  • AgentTesla

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

  • 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\a99825a4e67381047a40882b19035d89.exe
    "C:\Users\Admin\AppData\Local\Temp\a99825a4e67381047a40882b19035d89.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\a99825a4e67381047a40882b19035d89.exe
      "C:\Users\Admin\AppData\Local\Temp\a99825a4e67381047a40882b19035d89.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1124

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/1124-64-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1124-63-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1124-70-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1124-68-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1124-66-0x00000000004359EE-mapping.dmp
  • memory/1124-61-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1124-65-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1124-60-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1248-55-0x0000000075351000-0x0000000075353000-memory.dmp
    Filesize

    8KB

  • memory/1248-54-0x0000000000AA0000-0x0000000000B78000-memory.dmp
    Filesize

    864KB

  • memory/1248-59-0x0000000004360000-0x000000000439A000-memory.dmp
    Filesize

    232KB

  • memory/1248-58-0x0000000004F10000-0x0000000004FA2000-memory.dmp
    Filesize

    584KB

  • memory/1248-57-0x0000000000560000-0x000000000056C000-memory.dmp
    Filesize

    48KB

  • memory/1248-56-0x0000000000550000-0x0000000000564000-memory.dmp
    Filesize

    80KB