Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 19:31

General

  • Target

    7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36cexe.exe

  • Size

    636KB

  • MD5

    5ed94cc7fe7a91bd4ac32347864deec1

  • SHA1

    0e2f9c3959e309753ed8541447c9e0e4d15e3201

  • SHA256

    7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36c

  • SHA512

    9e3894c3c7e00902493b3dd063798dac8f1a61351f8486227b37b026f246572dced7613ace433b6a43baeb1dc4d6ab0d4f986231fdacb3b5632df67e6465fa18

  • SSDEEP

    12288:JRnQaueH5qnsO4AvEqNqMzaHTMM9HwjjJo1xFulwct1F7BU+9dZHzM83mYubTJZS:JRlqn37QjHv9qJyvulfdP9dZA8xa1gYp

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YAWALESS123@@kkk

Extracted

Family

agenttesla

Credentials

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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36cexe.exe
    "C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36cexe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36cexe.exe
      "C:\Users\Admin\AppData\Local\Temp\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36cexe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7f83ce8d8a358060a86621e58e4feb4842613b257d2ad51f193cba4a1e2de36cexe.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/656-10-0x00000000089A0000-0x0000000008A3C000-memory.dmp

    Filesize

    624KB

  • memory/656-14-0x0000000075270000-0x0000000075A20000-memory.dmp

    Filesize

    7.7MB

  • memory/656-9-0x0000000006410000-0x000000000648A000-memory.dmp

    Filesize

    488KB

  • memory/656-4-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

    Filesize

    64KB

  • memory/656-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

    Filesize

    40KB

  • memory/656-6-0x00000000063E0000-0x00000000063FA000-memory.dmp

    Filesize

    104KB

  • memory/656-7-0x0000000006050000-0x0000000006058000-memory.dmp

    Filesize

    32KB

  • memory/656-8-0x0000000006060000-0x000000000606A000-memory.dmp

    Filesize

    40KB

  • memory/656-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

    Filesize

    584KB

  • memory/656-2-0x0000000005290000-0x0000000005834000-memory.dmp

    Filesize

    5.6MB

  • memory/656-0-0x0000000000350000-0x00000000003F4000-memory.dmp

    Filesize

    656KB

  • memory/656-1-0x0000000075270000-0x0000000075A20000-memory.dmp

    Filesize

    7.7MB

  • memory/4816-20-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

    Filesize

    64KB

  • memory/4816-15-0x0000000075270000-0x0000000075A20000-memory.dmp

    Filesize

    7.7MB

  • memory/4816-16-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

    Filesize

    64KB

  • memory/4816-17-0x0000000004ED0000-0x0000000004F36000-memory.dmp

    Filesize

    408KB

  • memory/4816-18-0x0000000006540000-0x0000000006590000-memory.dmp

    Filesize

    320KB

  • memory/4816-19-0x0000000075270000-0x0000000075A20000-memory.dmp

    Filesize

    7.7MB

  • memory/4816-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB