Analysis

  • max time kernel
    145s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2023 21:23

General

  • Target

    d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe

  • Size

    489KB

  • MD5

    b4021c454e2c87647872ba4851700174

  • SHA1

    8c8f281ce90af9a24dd230ad47c1e52b57f9f87e

  • SHA256

    d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370

  • SHA512

    88ed1cf4011e4a072c938635569be22ad836ff30b9bea2d043edb377a745dabebf5f0b589207c017b590c8fee9cd6a82652517dccd37a96c2ec9b00c5baafefe

  • SSDEEP

    12288:O725kL+UonN7GqXkxpgPgI5ZzVqpiUxDdfyQOnXJ:tA+UoNr0HgTbxixDdfy

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1tcl.com
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    RRa*ysS8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2724-22-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-27-0x0000000000F30000-0x0000000000F70000-memory.dmp

    Filesize

    256KB

  • memory/2724-26-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-25-0x0000000000F30000-0x0000000000F70000-memory.dmp

    Filesize

    256KB

  • memory/2724-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2724-23-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-20-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3004-6-0x00000000003E0000-0x00000000003EC000-memory.dmp

    Filesize

    48KB

  • memory/3004-3-0x00000000010A0000-0x00000000010E0000-memory.dmp

    Filesize

    256KB

  • memory/3004-4-0x0000000000380000-0x0000000000390000-memory.dmp

    Filesize

    64KB

  • memory/3004-0-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-2-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-24-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-7-0x0000000004FE0000-0x000000000503E000-memory.dmp

    Filesize

    376KB

  • memory/3004-1-0x0000000001120000-0x000000000119E000-memory.dmp

    Filesize

    504KB

  • memory/3004-5-0x00000000010A0000-0x00000000010E0000-memory.dmp

    Filesize

    256KB