Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2023 06:54

General

  • Target

    Invoice YA 2023.exe

  • Size

    577KB

  • MD5

    2fdd47b3a729217cdd1848ce1d832bd2

  • SHA1

    80b1f475e7c906927b87b76bea1d72a0ae0ce2c7

  • SHA256

    855f8c478918d0202a467a90a5ead1be7a4e87e08485106a6a545938979204ac

  • SHA512

    1036403542f266d9acc5203889fa55cd95d7a11559ce65baf44bdfc2f447a0575a87399067eafa89c15fe8d93fef52b1e1fb046ec388bfdf66076b6e465587e0

  • SSDEEP

    12288:ANCCCCCCC8CpCPCCsCCOcopox4IpEMEKrMZtn0Mz2YhsDZIwNP:ECCCCCCC8CpCPCCsCCNeiCjP2+sDvNP

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice YA 2023.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice YA 2023.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:4156
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1920-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1920-19-0x0000000006E10000-0x0000000006FD2000-memory.dmp

      Filesize

      1.8MB

    • memory/1920-18-0x0000000006BF0000-0x0000000006C40000-memory.dmp

      Filesize

      320KB

    • memory/1920-17-0x0000000005B40000-0x0000000005B50000-memory.dmp

      Filesize

      64KB

    • memory/1920-16-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/1920-15-0x0000000005B40000-0x0000000005B50000-memory.dmp

      Filesize

      64KB

    • memory/1920-14-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/3372-8-0x0000000005020000-0x000000000502A000-memory.dmp

      Filesize

      40KB

    • memory/3372-0-0x0000000000B70000-0x0000000000C06000-memory.dmp

      Filesize

      600KB

    • memory/3372-9-0x0000000006DF0000-0x0000000006E50000-memory.dmp

      Filesize

      384KB

    • memory/3372-10-0x0000000007EF0000-0x0000000007F8C000-memory.dmp

      Filesize

      624KB

    • memory/3372-7-0x0000000005C50000-0x0000000005C56000-memory.dmp

      Filesize

      24KB

    • memory/3372-13-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/3372-6-0x0000000005BF0000-0x0000000005C08000-memory.dmp

      Filesize

      96KB

    • memory/3372-5-0x00000000056B0000-0x00000000056BA000-memory.dmp

      Filesize

      40KB

    • memory/3372-4-0x0000000005590000-0x00000000055A0000-memory.dmp

      Filesize

      64KB

    • memory/3372-3-0x00000000055E0000-0x0000000005672000-memory.dmp

      Filesize

      584KB

    • memory/3372-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

      Filesize

      5.6MB

    • memory/3372-1-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB