Analysis

  • max time kernel
    132s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2023 07:17

General

  • Target

    sfOaHOpvjEEpZRe.exe

  • Size

    511KB

  • MD5

    a73e719f752678044373f6040d958e99

  • SHA1

    ac782c945ea27230b1a87c6d1664cef5870540f6

  • SHA256

    3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9f

  • SHA512

    a3a36e382e6d4aac50f33d56ec259d10c8f01c7fad8d381e7475afecb8d9104bcce314631b23380f594e708f1d1ddbd4ef4a9529608271068e4d748456db5d77

  • SSDEEP

    12288:s/jaavJ3PH+xVXbTUpYBFVUYpxsMstXWGogkqwz:sL/vd2XUuBw2xsMUWGZk

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 7 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\sfOaHOpvjEEpZRe.exe
    "C:\Users\Admin\AppData\Local\Temp\sfOaHOpvjEEpZRe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\sfOaHOpvjEEpZRe.exe
      "C:\Users\Admin\AppData\Local\Temp\sfOaHOpvjEEpZRe.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1180-0-0x0000000000170000-0x00000000001F6000-memory.dmp

    Filesize

    536KB

  • memory/1180-1-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1180-2-0x0000000004E60000-0x0000000004EA0000-memory.dmp

    Filesize

    256KB

  • memory/1180-3-0x00000000002D0000-0x00000000002E8000-memory.dmp

    Filesize

    96KB

  • memory/1180-4-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1180-5-0x0000000004E60000-0x0000000004EA0000-memory.dmp

    Filesize

    256KB

  • memory/1180-6-0x00000000002B0000-0x00000000002C0000-memory.dmp

    Filesize

    64KB

  • memory/1180-7-0x0000000004630000-0x000000000468E000-memory.dmp

    Filesize

    376KB

  • memory/1180-22-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2884-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2884-23-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-24-0x0000000004A50000-0x0000000004A90000-memory.dmp

    Filesize

    256KB

  • memory/2884-25-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-26-0x0000000004A50000-0x0000000004A90000-memory.dmp

    Filesize

    256KB