Analysis

  • max time kernel
    108s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    07-06-2021 13:00

General

  • Target

    TT500202106029589435472.exe

  • Size

    937KB

  • MD5

    85aa9d1b698d8f57b88e32f8a6a31a1a

  • SHA1

    4d4a7f6a9256c37081393aba3e48f188a0aad630

  • SHA256

    ff99d00779dbb0c55d69212b104f4fcf7f52e7ff265df47ee780d6ed84b606e9

  • SHA512

    7f5697ae243993dac743e51b1cee126a782da7c2d405d94e99e22fad6693ec52f76c487c02b60a5cab85f5b554d5db89dc1baae5be76a602b1c44b62175309c4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.totalkitchensandbathrooms.com.au
  • Port:
    587
  • Username:
    sales@totalkitchensandbathrooms.com.au
  • Password:
    smith@247

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.totalkitchensandbathrooms.com.au
  • Port:
    587
  • Username:
    sales@totalkitchensandbathrooms.com.au
  • Password:
    smith@247

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT500202106029589435472.exe
    "C:\Users\Admin\AppData\Local\Temp\TT500202106029589435472.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Users\Admin\AppData\Local\Temp\TT500202106029589435472.exe
      "C:\Users\Admin\AppData\Local\Temp\TT500202106029589435472.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2920

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TT500202106029589435472.exe.log
      MD5

      a8225268a0cfd23e60750624c7fe5113

      SHA1

      92567d25c5ef4fc85c9dda60a0625e0bb9c72d97

      SHA256

      2d820f6fb6c206a25e346f653150ae314d58de33c4e15ac600e7618093ac2261

      SHA512

      8f7ecc25006b79173ae9fdca2843a315df5aa259882953e4864aafefcb8ca62c0d0a4f16baf2f0fdc3b0a8235bd63fdb345f991e9d5c5cce290a0ef032ce2ef1

    • memory/424-123-0x0000000002530000-0x000000000253F000-memory.dmp
      Filesize

      60KB

    • memory/424-116-0x0000000005030000-0x0000000005031000-memory.dmp
      Filesize

      4KB

    • memory/424-118-0x0000000004B30000-0x0000000004B31000-memory.dmp
      Filesize

      4KB

    • memory/424-119-0x00000000024E0000-0x00000000024E1000-memory.dmp
      Filesize

      4KB

    • memory/424-120-0x0000000004B30000-0x000000000502E000-memory.dmp
      Filesize

      5.0MB

    • memory/424-121-0x00000000049A0000-0x00000000049DB000-memory.dmp
      Filesize

      236KB

    • memory/424-117-0x0000000004A40000-0x0000000004A41000-memory.dmp
      Filesize

      4KB

    • memory/424-114-0x0000000000030000-0x0000000000031000-memory.dmp
      Filesize

      4KB

    • memory/424-122-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
      Filesize

      4KB

    • memory/576-124-0x0000000000400000-0x000000000042C000-memory.dmp
      Filesize

      176KB

    • memory/576-125-0x000000000041FC0E-mapping.dmp
    • memory/576-131-0x00000000050C0000-0x00000000055BE000-memory.dmp
      Filesize

      5.0MB

    • memory/576-134-0x0000000006710000-0x0000000006711000-memory.dmp
      Filesize

      4KB

    • memory/576-135-0x0000000006660000-0x0000000006661000-memory.dmp
      Filesize

      4KB

    • memory/2920-133-0x0000000000000000-mapping.dmp