Analysis

  • max time kernel
    157s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 07:00

General

  • Target

    Quotation China.exe

  • Size

    124KB

  • MD5

    3adcb908c47a0e9e9358430dcc0c5b55

  • SHA1

    a3cc683b61c6b571d973ba51c682f48534e6d01f

  • SHA256

    2623f5e2a7aa90ec2c7d11a3e60fca615a629ca352a5ccdf9d4243c46e720738

  • SHA512

    a04d200902513678f86150473c223c83c2c4f84f78a34142a0e84c95b04b3ddf2f151358988971b57d0843644cc61e44ce23438314cf578d879d8099886108de

  • SSDEEP

    3072:eOOYz2Yaq4T7pwMxjF9uJokbUPITDlwBT8EDbY:vzJU+okbpTE8+b

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6553808600:AAEctl9z_ViEe1VbBXIi3Q8EzcyyXMP9F5g/sendMessage?chat_id=5086753017

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation China.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation China.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:4544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4544-0-0x0000000000750000-0x0000000000772000-memory.dmp

    Filesize

    136KB

  • memory/4544-1-0x00007FFDCB3C0000-0x00007FFDCBE81000-memory.dmp

    Filesize

    10.8MB

  • memory/4544-2-0x000000001C450000-0x000000001C460000-memory.dmp

    Filesize

    64KB

  • memory/4544-3-0x00007FFDCB3C0000-0x00007FFDCBE81000-memory.dmp

    Filesize

    10.8MB

  • memory/4544-4-0x00000000011B0000-0x0000000001200000-memory.dmp

    Filesize

    320KB

  • memory/4544-5-0x000000001C450000-0x000000001C460000-memory.dmp

    Filesize

    64KB

  • memory/4544-6-0x000000001E330000-0x000000001E4F2000-memory.dmp

    Filesize

    1.8MB