Analysis

  • max time kernel
    40s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2023, 08:19

General

  • Target

    BL Draft Copy.exe

  • Size

    863KB

  • MD5

    5f76ec4261e9ee6104cadf963e1fdefe

  • SHA1

    4bd2b0895e37e92d70f5ae463aafbc7e912cb07a

  • SHA256

    41ec6096bbedc3527a97d8a427988cd2885bb23eebefbe17c563a1e5aff52586

  • SHA512

    15770c50185e4594f64a2cc16b641093a347845ce68d701b65d3981967ba3f4a797656bcc7d4382d17d358be61dbe53833dfd1e8680af7195768c8e4479324a7

  • SSDEEP

    24576:76AnFoJiY3TZ5ae0lVw+BBUWxn48qKoe:7dFW8e0ggBUg9qKoe

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    kiamotors-khyber.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Bno-MD&$40Kjy(Yd

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1472
    • C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1160-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1160-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1160-74-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1160-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1160-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1160-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1160-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1356-55-0x0000000075491000-0x0000000075493000-memory.dmp

    Filesize

    8KB

  • memory/1356-54-0x0000000000D80000-0x0000000000E5E000-memory.dmp

    Filesize

    888KB

  • memory/1356-57-0x0000000004CB0000-0x0000000004D42000-memory.dmp

    Filesize

    584KB

  • memory/1356-56-0x00000000009F0000-0x0000000000A96000-memory.dmp

    Filesize

    664KB

  • memory/1472-62-0x000000006EB20000-0x000000006F0CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1472-61-0x000000006EB20000-0x000000006F0CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1472-60-0x000000006EB20000-0x000000006F0CB000-memory.dmp

    Filesize

    5.7MB