Analysis

  • max time kernel
    118s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2023 17:55

General

  • Target

    VSL Q88.exe

  • Size

    315KB

  • MD5

    6be8e9398d30635fbca93732150a7840

  • SHA1

    39c5164b57efa461a0ddfe1d262344a183a2287c

  • SHA256

    9858672b7c7fa3f8b4ef2ed4b8ab8686f1edfdc46a382ae6296051ac3b2742c3

  • SHA512

    91497507077c4e9f63a95f94221423968ce015878fdee0cd457ad45474171336d2f4a8b86679a8dd3542fa0f78658e67be6854d261e909e987dde7febaefbe36

  • SSDEEP

    6144:pl8AdaxZli+Ua0z4my8PJ4+YcNM2IqEHTd51KSK:4AdahfUlz4mBPJ4gI1zd5kS

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.biglifshipping.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    6[p8H(X_rbxr8&*k

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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
  • Adds Run key to start application 2 TTPs 1 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
    "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
      "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2452-1-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2452-0-0x0000000000820000-0x0000000000876000-memory.dmp

    Filesize

    344KB

  • memory/2452-2-0x0000000000660000-0x00000000006A0000-memory.dmp

    Filesize

    256KB

  • memory/2452-3-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2452-4-0x00000000022D0000-0x0000000002318000-memory.dmp

    Filesize

    288KB

  • memory/2452-5-0x0000000002190000-0x00000000021C6000-memory.dmp

    Filesize

    216KB

  • memory/2452-6-0x00000000051D0000-0x000000000521C000-memory.dmp

    Filesize

    304KB

  • memory/2452-20-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2704-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-24-0x0000000073FC0000-0x00000000746AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-25-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB

  • memory/2704-26-0x0000000073FC0000-0x00000000746AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-27-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB