Overview

overview

10

Static

static

3

CaixaBank ...ow.exe

windows7-x64

10

CaixaBank ...ow.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-06-2023 13:20

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General

  • Target

    CaixaBank _ banca digital CaixaBankNow.exe

  • Size

    767KB

  • MD5

    4b6be38cb9bf11d6dfe312668ada7616

  • SHA1

    fef22666290a4dea202b4cce1ad934af6f61fd56

  • SHA256

    3c4b8818b3e073f0e5ac71ad850ae2ef3f1a5270d99169ee9892fe86977642af

  • SHA512

    2682673865311c2eda1c862f45974c5f43ff22357d8ccf849f91a8339a0095b1c7a1acf19ada128ef62c399eaf5ef61cd7f5e8e82b56df5fecc115a65ecefa81

  • SSDEEP

    12288:Lx+OSUAh3NVr572iNa7xdvo/MdyrhFgtDsuBHsSj5J4+saBGHfNP4yKylHaC1Z4h:0N1U9BqmycgiH75BMNP4yKDr3RXl/o1m

Score
10/10
snakekeyloggercollectionkeyloggerspywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.mutuadebasto.pt
  • Port:
    587
  • Username:
    fernando.basto@mutuadebasto.pt
  • Password:
    mutua_Fernando123

Extracted

Family

snakekeylogger

Credentials

  • Protocol:     smtp
  • Host:
    mail.mutuadebasto.pt
  • Port:
    587
  • Username:
    fernando.basto@mutuadebasto.pt
  • Password:
    mutua_Fernando123
  • Email To:
    brownrocketss@gmail.com

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • Snake Keylogger payload 1 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.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • 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 13 IoCs
  • Suspicious behavior: RenamesItself 1 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\CaixaBank _ banca digital CaixaBankNow.exe
    "C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe
      "C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe"
      2⤵
        PID:2272
      • C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe
        "C:\Users\Admin\AppData\Local\Temp\CaixaBank _ banca digital CaixaBankNow.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1604

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    2
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CaixaBank _ banca digital CaixaBankNow.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      Download Submit
    • memory/1604-140-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

      Download
    • memory/1604-143-0x00000000055B0000-0x00000000055C0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1604-144-0x0000000006C50000-0x0000000006E12000-memory.dmp
      Filesize

      1.8MB

      Download
    • memory/1604-145-0x00000000055B0000-0x00000000055C0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5084-133-0x0000000000250000-0x0000000000316000-memory.dmp
      Filesize

      792KB

      Download
    • memory/5084-134-0x0000000005040000-0x00000000055E4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/5084-135-0x0000000004B90000-0x0000000004C22000-memory.dmp
      Filesize

      584KB

      Download
    • memory/5084-136-0x0000000004D30000-0x0000000004D3A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/5084-137-0x0000000004DF0000-0x0000000004E00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5084-138-0x0000000004DF0000-0x0000000004E00000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5084-139-0x00000000067E0000-0x000000000687C000-memory.dmp
      Filesize

      624KB

      Download