Analysis

  • max time kernel
    95s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2023, 05:56

General

  • Target
    PO TY656FG.xlsx.exe
  • Size 607KB
  • Sample230421-gm2cvsed58
  • SHA256 78ff2f0f8d66532c03451f447a0cc030363cca6ad195ec248d1d64dda9afb2b4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot6221660400:AAGb-WADrhdDFxd9kxzjtg3jdDw9-uvNVlM/sendMessage?chat_id=6200392710

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 6 IoCs
  • 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\PO TY656FG.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\PO TY656FG.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\PO TY656FG.xlsx.exe
      "C:\Users\Admin\AppData\Local\Temp\PO TY656FG.xlsx.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:372

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/372-66-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/372-68-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/372-72-0x00000000049E0000-0x0000000004A20000-memory.dmp

        memory/372-71-0x00000000049E0000-0x0000000004A20000-memory.dmp

        memory/372-70-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/372-64-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/372-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/372-61-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/372-62-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/372-63-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/2044-55-0x00000000004D0000-0x00000000004E4000-memory.dmp

        memory/2044-60-0x0000000004670000-0x0000000004698000-memory.dmp

        memory/2044-54-0x0000000000CF0000-0x0000000000D8E000-memory.dmp

        memory/2044-59-0x0000000005290000-0x00000000052F0000-memory.dmp

        memory/2044-58-0x00000000004F0000-0x00000000004FC000-memory.dmp

        memory/2044-57-0x0000000004940000-0x0000000004980000-memory.dmp

        memory/2044-56-0x0000000004940000-0x0000000004980000-memory.dmp