Analysis

  • max time kernel
    123s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-07-2021 09:31

General

  • Target

    catalogue.bin.exe

  • Size

    565KB

  • MD5

    e712e8ee3d9d3bdf34029516d2755ca5

  • SHA1

    5c8ad1cc914a225f386a6e8a3bdcb012580c33e2

  • SHA256

    69fb813254cb7d90156e5787b232f46ee4229d64dc1353488a7991ba830c223a

  • SHA512

    39b5c1b8d4a6e01a8588ae520683df143bc5e68b4f1bfd623accfaf67cf6c52e1663c5f0b3f3d55ee4bb144c8e0e570593eb17b04b288df23138da5305e7f932

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.seksiui.com
  • Port:
    587
  • Username:
    dedaiko@seksiui.com
  • Password:
    CcTduHh6

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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\catalogue.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\catalogue.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\catalogue.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\catalogue.bin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:340

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

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Downloads

  • memory/340-64-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/340-65-0x000000000041F84E-mapping.dmp
  • memory/340-66-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/340-68-0x0000000004B80000-0x0000000004B81000-memory.dmp
    Filesize

    4KB

  • memory/1832-59-0x0000000000E80000-0x0000000000E81000-memory.dmp
    Filesize

    4KB

  • memory/1832-61-0x00000000004E0000-0x0000000000519000-memory.dmp
    Filesize

    228KB

  • memory/1832-62-0x0000000000400000-0x000000000040F000-memory.dmp
    Filesize

    60KB

  • memory/1832-63-0x0000000000730000-0x0000000000731000-memory.dmp
    Filesize

    4KB