Analysis

  • max time kernel
    132s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 06:51

General

  • Target

    3ae917821f25ac269e4f1b67cb08254e.exe

  • Size

    714KB

  • MD5

    3ae917821f25ac269e4f1b67cb08254e

  • SHA1

    cbf9e24748b03a678f091bcc3ff08c8ab0e53706

  • SHA256

    ea8c1f7cd78519ad333b1125813fa58ada79944f3dd39d0b059f32ed77a333eb

  • SHA512

    ee5949d281eec67bd28dad604f5bb0ed989d0a5bda450b8eaef5fd86b02acfa1cfe4e18c7637705b498cf9a872166b0e71cfbdb48d764ca0b2ad599039ecd86e

  • SSDEEP

    12288:wiBrZ1pcAxtGhZn558K4ZcUWfHaf+yiIbkV81BjMP:B7pcAxtGhx5GZO6PKshW

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1792089002:AAEPhaOGVcmGnS9wbcudlAWVztyQs4en3nU/sendMessage?chat_id=1155456627

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ae917821f25ac269e4f1b67cb08254e.exe
    "C:\Users\Admin\AppData\Local\Temp\3ae917821f25ac269e4f1b67cb08254e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\3ae917821f25ac269e4f1b67cb08254e.exe
      "C:\Users\Admin\AppData\Local\Temp\3ae917821f25ac269e4f1b67cb08254e.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 1624
        3⤵
        • Program crash
        PID:1516

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/852-64-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/852-63-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/852-69-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/852-67-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/852-62-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/852-59-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/852-65-0x000000000046447E-mapping.dmp
  • memory/852-60-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/1504-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp
    Filesize

    8KB

  • memory/1504-54-0x0000000001350000-0x0000000001408000-memory.dmp
    Filesize

    736KB

  • memory/1504-58-0x0000000005710000-0x0000000005780000-memory.dmp
    Filesize

    448KB

  • memory/1504-57-0x00000000053E0000-0x000000000544E000-memory.dmp
    Filesize

    440KB

  • memory/1504-56-0x0000000000970000-0x000000000097A000-memory.dmp
    Filesize

    40KB

  • memory/1516-71-0x0000000000000000-mapping.dmp