Analysis

  • max time kernel
    150s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-07-2021 16:32

General

  • Target

    templezx.exe

  • Size

    563KB

  • MD5

    2b1679e8ba0a15c211922ced9909c89e

  • SHA1

    e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

  • SHA256

    70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

  • SHA512

    924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bundabergtrophies.com.au
  • Port:
    587
  • Username:
    admin@bundabergtrophies.com.au
  • Password:
    nKlnBbMZLI

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\templezx.exe
    "C:\Users\Admin\AppData\Local\Temp\templezx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\templezx.exe
      "C:\Users\Admin\AppData\Local\Temp\templezx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2952-124-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/2952-131-0x00000000050F0000-0x00000000055EE000-memory.dmp
    Filesize

    5.0MB

  • memory/2952-130-0x0000000006380000-0x0000000006381000-memory.dmp
    Filesize

    4KB

  • memory/2952-125-0x000000000041F89E-mapping.dmp
  • memory/3128-118-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
    Filesize

    4KB

  • memory/3128-120-0x0000000004B10000-0x000000000500E000-memory.dmp
    Filesize

    5.0MB

  • memory/3128-121-0x0000000002410000-0x000000000241B000-memory.dmp
    Filesize

    44KB

  • memory/3128-122-0x0000000006FA0000-0x0000000007006000-memory.dmp
    Filesize

    408KB

  • memory/3128-123-0x0000000004FB0000-0x0000000004FD6000-memory.dmp
    Filesize

    152KB

  • memory/3128-119-0x00000000049D0000-0x00000000049D1000-memory.dmp
    Filesize

    4KB

  • memory/3128-114-0x0000000000120000-0x0000000000121000-memory.dmp
    Filesize

    4KB

  • memory/3128-117-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/3128-116-0x0000000005010000-0x0000000005011000-memory.dmp
    Filesize

    4KB