Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2023, 12:27

General

  • Target
    Belge.exe
  • Size 1.0MB
  • Sample230307-pmrseshh86
  • SHA256 606157eb85fa1f90ad5b6def0cbddc1445298156aecb9da21bcc925e6cd7638c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5587666659:AAG8NrrXJQs__dhk8nLJBFOspz2my8OVpX0/sendMessage?chat_id=5569775004

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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 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\Belge.exe
    "C:\Users\Admin\AppData\Local\Temp\Belge.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\Belge.exe
      "C:\Users\Admin\AppData\Local\Temp\Belge.exe"
      2⤵
        PID:5048
      • C:\Users\Admin\AppData\Local\Temp\Belge.exe
        "C:\Users\Admin\AppData\Local\Temp\Belge.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3664

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Belge.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Belge.exe.log
          • Size 1KB
          • SHA256 839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd
          • MD5 SHA1 SHA512

          memory/1516-133-0x0000000000260000-0x0000000000370000-memory.dmp

          memory/1516-134-0x0000000004D90000-0x0000000004DA0000-memory.dmp

          memory/1516-135-0x00000000053C0000-0x0000000005964000-memory.dmp

          memory/1516-136-0x0000000004EE0000-0x0000000004F72000-memory.dmp

          memory/1516-137-0x0000000005CF0000-0x0000000005D8C000-memory.dmp

          memory/3664-138-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/3664-141-0x0000000005830000-0x0000000005840000-memory.dmp

          memory/3664-142-0x0000000006870000-0x0000000006A32000-memory.dmp

          memory/3664-143-0x0000000006810000-0x000000000681A000-memory.dmp

          memory/3664-144-0x0000000005830000-0x0000000005840000-memory.dmp