Analysis

  • max time kernel
    169s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2023 07:59

General

  • Target

    PO#757764.PDF.exe

  • Size

    367KB

  • MD5

    7d35dcb3b0fbd2ac5df7fa3bd140d5ed

  • SHA1

    a7976420e477172042cd97c7e717b6fe793e9e9a

  • SHA256

    483d3db33740a19cf3e53acd5a0b50e223121c6828553d14449a6dc12497e894

  • SHA512

    a73434f71723cef7b88430d824d50d742861dc9afde4ee4eb5d9aa1075a2dd8310c112a54921cc34c69caedde51937fae4d0415dbfe3838922cd6f143d9c0b74

  • SSDEEP

    6144:yAY8QgjLaR06z1RI5HiZB/vgiEIogkzeXk0uEGpJSVwaPZP8sqgds8wJdbrrhLPl:BaR06z1RI5HgdEgkzeXkWusDdsIDvywi

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\PO#757764.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#757764.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:60
    • 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:3684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/60-8-0x0000000005250000-0x0000000005260000-memory.dmp

    Filesize

    64KB

  • memory/60-9-0x0000000000980000-0x000000000098A000-memory.dmp

    Filesize

    40KB

  • memory/60-0-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/60-3-0x0000000005030000-0x00000000050C2000-memory.dmp

    Filesize

    584KB

  • memory/60-4-0x0000000004F90000-0x0000000004FE4000-memory.dmp

    Filesize

    336KB

  • memory/60-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/60-6-0x0000000005250000-0x0000000005260000-memory.dmp

    Filesize

    64KB

  • memory/60-7-0x0000000005400000-0x000000000549C000-memory.dmp

    Filesize

    624KB

  • memory/60-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB

  • memory/60-1-0x0000000000550000-0x00000000005B2000-memory.dmp

    Filesize

    392KB

  • memory/60-12-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-19-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/3684-13-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-14-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/3684-15-0x00000000064A0000-0x00000000064F0000-memory.dmp

    Filesize

    320KB

  • memory/3684-16-0x00000000066C0000-0x0000000006882000-memory.dmp

    Filesize

    1.8MB

  • memory/3684-17-0x0000000006530000-0x000000000653A000-memory.dmp

    Filesize

    40KB

  • memory/3684-18-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB