Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2023 08:48

General

  • Target

    5yjBTV1RX69ix2q.exe

  • Size

    573KB

  • MD5

    6b4f6cc2f9b20734530acf3124a14cac

  • SHA1

    a07f1d4fe758c87819ff62671e015dbb38b8a7ac

  • SHA256

    d0018553788684559db6376fe759c7eb91b56532f24fcdee4468dae430511231

  • SHA512

    9000588d205a4e8ce68f3f6568ec9b82be16c85cd34695c9045f6e968f6529316995efa8cd11c889fcca89b287eb3e8a7a9d079662eba71aa3e102c79f194eaf

  • SSDEEP

    12288:QMiyiRJU/WceD6+kpqkIaHkuhirf6Kgtom55Nk5PMVFS:jZFe/ZkcH+kp2nHHm0

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1tcl.com
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    RRa*ysS8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
    "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
      "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
      2⤵
        PID:968
      • C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe
        "C:\Users\Admin\AppData\Local\Temp\5yjBTV1RX69ix2q.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5yjBTV1RX69ix2q.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1384-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1384-21-0x0000000005410000-0x0000000005420000-memory.dmp

      Filesize

      64KB

    • memory/1384-20-0x00000000746B0000-0x0000000074E60000-memory.dmp

      Filesize

      7.7MB

    • memory/1384-19-0x00000000066F0000-0x00000000068B2000-memory.dmp

      Filesize

      1.8MB

    • memory/1384-18-0x00000000064D0000-0x0000000006520000-memory.dmp

      Filesize

      320KB

    • memory/1384-17-0x0000000005410000-0x0000000005420000-memory.dmp

      Filesize

      64KB

    • memory/1384-15-0x00000000746B0000-0x0000000074E60000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-10-0x00000000075C0000-0x000000000761E000-memory.dmp

      Filesize

      376KB

    • memory/5020-9-0x0000000004EF0000-0x0000000004EFC000-memory.dmp

      Filesize

      48KB

    • memory/5020-0-0x00000000746B0000-0x0000000074E60000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-11-0x0000000009CF0000-0x0000000009D8C000-memory.dmp

      Filesize

      624KB

    • memory/5020-8-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

      Filesize

      64KB

    • memory/5020-7-0x00000000746B0000-0x0000000074E60000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-6-0x0000000004ED0000-0x0000000004EEA000-memory.dmp

      Filesize

      104KB

    • memory/5020-16-0x00000000746B0000-0x0000000074E60000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

      Filesize

      40KB

    • memory/5020-4-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

      Filesize

      64KB

    • memory/5020-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

      Filesize

      584KB

    • memory/5020-2-0x0000000005180000-0x0000000005724000-memory.dmp

      Filesize

      5.6MB

    • memory/5020-1-0x0000000000090000-0x0000000000124000-memory.dmp

      Filesize

      592KB