Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2023, 11:54

General

  • Target

    cae61098f571771339f1e2c60.exe

  • Size

    623KB

  • MD5

    cae61098f571771339f1e2c609059896

  • SHA1

    543051ca2efda9574bdbcf26aab61743d6ee0802

  • SHA256

    3cc73f7b43850205f2e810f4c82bf2c3c97864f19794fb62b9b0172e2ee3a6b4

  • SHA512

    8fe181f7b72875b8182f8b5a133722460621766509ce13b2979f79865dc9c3a1c2ed17365d113f0672b33b680923af75d53044cbb7cae7c210b34dca72af3571

  • SSDEEP

    12288:smRtpPVD9Epjsr82BY24XbWGslmv1XzUxk+:Xijsr82W24hBvVw

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mutuadebasto.pt
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mutua_Fernando123

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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.

  • 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 11 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cae61098f571771339f1e2c60.exe
    "C:\Users\Admin\AppData\Local\Temp\cae61098f571771339f1e2c60.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\cae61098f571771339f1e2c60.exe
      "C:\Users\Admin\AppData\Local\Temp\cae61098f571771339f1e2c60.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/228-140-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/228-142-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/228-143-0x00000000066D0000-0x0000000006892000-memory.dmp

    Filesize

    1.8MB

  • memory/228-144-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/4800-133-0x00000000007D0000-0x0000000000872000-memory.dmp

    Filesize

    648KB

  • memory/4800-134-0x0000000005760000-0x0000000005D04000-memory.dmp

    Filesize

    5.6MB

  • memory/4800-135-0x00000000051B0000-0x0000000005242000-memory.dmp

    Filesize

    584KB

  • memory/4800-136-0x0000000005D40000-0x0000000005D4A000-memory.dmp

    Filesize

    40KB

  • memory/4800-137-0x0000000005F50000-0x0000000005FEC000-memory.dmp

    Filesize

    624KB

  • memory/4800-138-0x0000000005370000-0x0000000005380000-memory.dmp

    Filesize

    64KB

  • memory/4800-139-0x0000000005370000-0x0000000005380000-memory.dmp

    Filesize

    64KB