Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2022 06:41

General

  • Target

    99578fb388d42ef0d774ccc77d2204ae.exe

  • Size

    957KB

  • MD5

    99578fb388d42ef0d774ccc77d2204ae

  • SHA1

    d3ab5a6ae43e208b205fced1a1a0a40023f1ae06

  • SHA256

    9695ac0915eb637f2b284b0a0c602aca804f176b0e4ca97608a174bdbf9d7b3f

  • SHA512

    df3cfbd2f81229729ad2de5eca53ede816580bf6d2c4f686985c529adeeca9c3295db65aa65eee895d67f5d6431c75eeba12bdd20e6467b25b90278631f4dba7

  • SSDEEP

    12288:vvcfiy2sz74MCMpLbtW3B3myD/ieNKo6WySqDVfdw2KcHk:s6xspEpTxKfSWfKwk

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot5752513408:AAEZM5NWCrijmxmDFsYpCBVCbC14s-JJOXg/sendMessage?chat_id=5064120322

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99578fb388d42ef0d774ccc77d2204ae.exe
    "C:\Users\Admin\AppData\Local\Temp\99578fb388d42ef0d774ccc77d2204ae.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\99578fb388d42ef0d774ccc77d2204ae.exe
      "C:\Users\Admin\AppData\Local\Temp\99578fb388d42ef0d774ccc77d2204ae.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4148

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\99578fb388d42ef0d774ccc77d2204ae.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/1944-132-0x0000000000090000-0x0000000000186000-memory.dmp

    Filesize

    984KB

  • memory/1944-133-0x00000000051C0000-0x0000000005764000-memory.dmp

    Filesize

    5.6MB

  • memory/1944-134-0x0000000004B60000-0x0000000004BF2000-memory.dmp

    Filesize

    584KB

  • memory/1944-135-0x0000000004B30000-0x0000000004B3A000-memory.dmp

    Filesize

    40KB

  • memory/1944-136-0x00000000087E0000-0x000000000887C000-memory.dmp

    Filesize

    624KB

  • memory/1944-137-0x0000000008880000-0x00000000088E6000-memory.dmp

    Filesize

    408KB

  • memory/4148-138-0x0000000000000000-mapping.dmp

  • memory/4148-139-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4148-141-0x0000000006440000-0x0000000006602000-memory.dmp

    Filesize

    1.8MB