Analysis

  • max time kernel
    103s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2023 15:32

General

  • Target

    Confirmación de recibo de transferencia.exe

  • Size

    640KB

  • MD5

    fa023b2ab25eb6370a8776c8a94de7a7

  • SHA1

    94dad9c18b4098abecd0ef367d68e393dc5e9173

  • SHA256

    916813387ba52a892f9a9f10f3d709745bedf80adacd9e2c42869a1131535612

  • SHA512

    609d898602ac0d9385464eafe3e717d0a99357921acac0da43ce2846a5329197eb4ab1dea31f998633938020de9ad42a94db91ae5d66083c52f59a63dd552dac

  • SSDEEP

    12288:4xm+vY07/NBDiJpbY2Mo7YENsaMrtZForsk1lDuZGZ2SSGS:Ym0/NBWprM6zNi/yrV15uv3

Malware Config

Extracted

Family

snakekeylogger

Credentials

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 7 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 SetWindowsHookEx 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\Confirmación de recibo de transferencia.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/692-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-72-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/692-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-71-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/692-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/692-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1724-59-0x0000000005030000-0x0000000005092000-memory.dmp

    Filesize

    392KB

  • memory/1724-58-0x0000000000270000-0x000000000027C000-memory.dmp

    Filesize

    48KB

  • memory/1724-54-0x0000000001190000-0x0000000001236000-memory.dmp

    Filesize

    664KB

  • memory/1724-56-0x0000000004E20000-0x0000000004E60000-memory.dmp

    Filesize

    256KB

  • memory/1724-60-0x00000000005C0000-0x00000000005E8000-memory.dmp

    Filesize

    160KB

  • memory/1724-55-0x0000000000250000-0x000000000025E000-memory.dmp

    Filesize

    56KB

  • memory/1724-57-0x0000000004E20000-0x0000000004E60000-memory.dmp

    Filesize

    256KB