Analysis

  • max time kernel
    137s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2023 08:39

General

  • Target

    NEAS.4004dee4dd9f342596495d060e726a3c9d95829ce7b29d90424f784e33c9299f.exe

  • Size

    367KB

  • MD5

    0418579cab50e417f1ae9a29da073c03

  • SHA1

    6a5c928ea373e31b8777b9e7285c2bf52572b997

  • SHA256

    4004dee4dd9f342596495d060e726a3c9d95829ce7b29d90424f784e33c9299f

  • SHA512

    4a1fbbdc88698ca140172d58b31489df5083a9dc1935a3a794ac72f13c1abb9b420128319c391dfdba7021681e9b0ab21cfff3e4d5efcfc21e00df4d11a08cd1

  • SSDEEP

    6144:yAY8QgjLhyvPZQB0isNjGgbMmN8dgsg32Kvnz0PnjDvJxuL:BbFifLudg9rv0nbuL

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.4004dee4dd9f342596495d060e726a3c9d95829ce7b29d90424f784e33c9299f.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4004dee4dd9f342596495d060e726a3c9d95829ce7b29d90424f784e33c9299f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1324-13-0x0000000005F50000-0x0000000005FA0000-memory.dmp

    Filesize

    320KB

  • memory/1324-12-0x00000000051A0000-0x00000000051B0000-memory.dmp

    Filesize

    64KB

  • memory/1324-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1324-17-0x00000000051A0000-0x00000000051B0000-memory.dmp

    Filesize

    64KB

  • memory/1324-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1324-15-0x0000000005FD0000-0x0000000005FDA000-memory.dmp

    Filesize

    40KB

  • memory/1324-14-0x0000000006170000-0x0000000006332000-memory.dmp

    Filesize

    1.8MB

  • memory/1324-11-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2296-5-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/2296-4-0x0000000004F40000-0x0000000004F94000-memory.dmp

    Filesize

    336KB

  • memory/2296-7-0x00000000050E0000-0x00000000050EA000-memory.dmp

    Filesize

    40KB

  • memory/2296-2-0x0000000005470000-0x0000000005A14000-memory.dmp

    Filesize

    5.6MB

  • memory/2296-0-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2296-6-0x0000000005180000-0x000000000521C000-memory.dmp

    Filesize

    624KB

  • memory/2296-1-0x0000000000550000-0x00000000005B2000-memory.dmp

    Filesize

    392KB

  • memory/2296-10-0x0000000074BF0000-0x00000000753A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2296-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

    Filesize

    584KB