Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11/07/2022, 08:10

General

  • Target
    ceb9237ecded700afae826f03d43c80c.exe
  • Size 630KB
  • Sample220711-j2pcysfdan
  • SHA256 6bacc8bd474bde817e968bcedfe508492a100eb73749894ba4b61b2f6d0dec0d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

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\ceb9237ecded700afae826f03d43c80c.exe
    "C:\Users\Admin\AppData\Local\Temp\ceb9237ecded700afae826f03d43c80c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\ceb9237ecded700afae826f03d43c80c.exe
      "C:\Users\Admin\AppData\Local\Temp\ceb9237ecded700afae826f03d43c80c.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1200

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ceb9237ecded700afae826f03d43c80c.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ceb9237ecded700afae826f03d43c80c.exe.log
        • Size 1KB
        • SHA256 555433299641100efeaaa819ca6c261d12dd9b265916606ce6644e8abda57b1f
        • MD5 SHA1 SHA512

        memory/1200-137-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1200-139-0x0000000006D20000-0x0000000006EE2000-memory.dmp

        memory/2804-130-0x0000000000970000-0x0000000000A14000-memory.dmp

        memory/2804-131-0x00000000058E0000-0x0000000005E84000-memory.dmp

        memory/2804-132-0x00000000053D0000-0x0000000005462000-memory.dmp

        memory/2804-133-0x00000000053C0000-0x00000000053CA000-memory.dmp

        memory/2804-134-0x0000000007AB0000-0x0000000007B4C000-memory.dmp

        memory/2804-135-0x00000000080C0000-0x0000000008126000-memory.dmp