Analysis

  • max time kernel
    135s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2023, 07:14

General

  • Target
    0f51a3b984003a24b73266d958d515d2.exe
  • Size 648KB
  • Sample230528-h2mzfsfa2y
  • SHA256 1237eec0287f5d0590ef5a8d6bc33e37c3f1384ed1ee265645f8efa054255f38
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.pinnafidelis.com

  • Port

    587

  • Password

    *jrdFCF7IO.J

Extracted

Family
  • snakekeylogger

Credentials

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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe
    "C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe
      "C:\Users\Admin\AppData\Local\Temp\0f51a3b984003a24b73266d958d515d2.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4244

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        0f51a3b984003a24b73266d958d515d2.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0f51a3b984003a24b73266d958d515d2.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/368-133-0x0000000000C40000-0x0000000000CE8000-memory.dmp

        memory/368-134-0x0000000005CB0000-0x0000000006254000-memory.dmp

        memory/368-135-0x0000000005700000-0x0000000005792000-memory.dmp

        memory/368-136-0x0000000005690000-0x000000000569A000-memory.dmp

        memory/368-137-0x00000000056C0000-0x00000000056D0000-memory.dmp

        memory/368-138-0x00000000056C0000-0x00000000056D0000-memory.dmp

        memory/368-139-0x0000000007620000-0x00000000076BC000-memory.dmp

        memory/4244-140-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/4244-143-0x0000000005700000-0x0000000005710000-memory.dmp

        memory/4244-144-0x0000000006C50000-0x0000000006E12000-memory.dmp

        memory/4244-145-0x0000000005700000-0x0000000005710000-memory.dmp