Overview

overview

10

Static

static

1

purchase list.exe

windows7-x64

10

purchase list.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 09:03

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General

  • Target
    purchase list.exe
  • Size 296KB
  • Sample221121-kz2e6scd39
  • SHA256 9d4faa17adb02b020e7d9d7807a84ccb4e9285eb05f5cbae9ba7ee1e07d7b52a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
snakekeyloggerkeyloggerpersistencestealer

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

    stealerkeyloggersnakekeylogger
  • Snake Keylogger payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase list.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase list.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5092
    • C:\Users\Admin\AppData\Local\Temp\nvylagw.exe
      "C:\Users\Admin\AppData\Local\Temp\nvylagw.exe" C:\Users\Admin\AppData\Local\Temp\pizvkqrpi.p
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Users\Admin\AppData\Local\Temp\nvylagw.exe
        "C:\Users\Admin\AppData\Local\Temp\nvylagw.exe" C:\Users\Admin\AppData\Local\Temp\pizvkqrpi.p
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 1480
          4⤵
          • Program crash
          PID:708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2464 -ip 2464
    1⤵
      PID:5072

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          nvylagw.exe
          • Path C:\Users\Admin\AppData\Local\Temp\nvylagw.exe
          • Size 92KB
          • SHA256 b91e3abfafaf8dc7dfb94a7bfdf45ac83e06a0e83fbd35ae02f29c3ecbf18b99
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          nvylagw.exe
          • Path C:\Users\Admin\AppData\Local\Temp\nvylagw.exe
          • Size 92KB
          • SHA256 b91e3abfafaf8dc7dfb94a7bfdf45ac83e06a0e83fbd35ae02f29c3ecbf18b99
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          nvylagw.exe
          • Path C:\Users\Admin\AppData\Local\Temp\nvylagw.exe
          • Size 92KB
          • SHA256 b91e3abfafaf8dc7dfb94a7bfdf45ac83e06a0e83fbd35ae02f29c3ecbf18b99
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          pizvkqrpi.p
          • Path C:\Users\Admin\AppData\Local\Temp\pizvkqrpi.p
          • Size 7KB
          • SHA256 35fccdd1cc03e0c1454535601b83a48c44bf3d02c730ab4ee683a5425fecbd5e
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          xisbz.ds
          • Path C:\Users\Admin\AppData\Local\Temp\xisbz.ds
          • Size 205KB
          • SHA256 3022794c65928ea7b11fb10591749ed74e6aa6ec3c18a989e0213120830283af
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/2464-139-0x0000000000400000-0x0000000000437000-memory.dmp
          Download

          memory/2464-140-0x0000000004850000-0x0000000004DF4000-memory.dmp
          Download

          memory/2464-141-0x0000000004E10000-0x0000000004EAC000-memory.dmp
          Download