Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2023 17:24

General

  • Target

    Glbmmjsnr.exe

  • Size

    324KB

  • MD5

    a7e406a5384a28f4ccc5a7267d32eefe

  • SHA1

    db3a4ca66734359ba1e0b1d3bce800efc954c1ea

  • SHA256

    7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4d

  • SHA512

    3fd510cc50d3ff29c1a9a24127170ae4f541de648919127e1ad5d794f6601ee9372a5dd98694ca0502ead500dbc2647ea7a876a5d3ca3e1c95bd1f14fb26d2a9

  • SSDEEP

    6144:tRyDjxdpk5cGr90DqZDrUN9uy25EGFGMghhapd8b/fNMIpCO:tRyDtdpkOGrmDqlriKE9DrbZn

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6374710888:AAEIfnNpPcl1WaTjVtUebQo-ASG58vFZQXQ/sendMessage?chat_id=5532763142

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Glbmmjsnr.exe
    "C:\Users\Admin\AppData\Local\Temp\Glbmmjsnr.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\Glbmmjsnr.exe
      C:\Users\Admin\AppData\Local\Temp\Glbmmjsnr.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1244-0-0x0000000000F90000-0x0000000000FE8000-memory.dmp

    Filesize

    352KB

  • memory/1244-1-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/1244-2-0x00000000009F0000-0x0000000000A30000-memory.dmp

    Filesize

    256KB

  • memory/1244-3-0x0000000000990000-0x00000000009D6000-memory.dmp

    Filesize

    280KB

  • memory/1244-4-0x0000000000CC0000-0x0000000000D08000-memory.dmp

    Filesize

    288KB

  • memory/1244-5-0x0000000000AA0000-0x0000000000AD6000-memory.dmp

    Filesize

    216KB

  • memory/1244-6-0x0000000004AA0000-0x0000000004AEC000-memory.dmp

    Filesize

    304KB

  • memory/1244-22-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-20-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2680-24-0x0000000073960000-0x000000007404E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-25-0x0000000004A50000-0x0000000004A90000-memory.dmp

    Filesize

    256KB

  • memory/2680-26-0x0000000073960000-0x000000007404E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-27-0x0000000004A50000-0x0000000004A90000-memory.dmp

    Filesize

    256KB