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Analysis

  • max time kernel
    114s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 08:18

General

  • Target

    FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.exe

  • Size

    26KB

  • MD5

    c4b6e9359dac142bc8669819f9bf6092

  • SHA1

    32e7b0d35ddc72c5781825d303941d5ea17ae828

  • SHA256

    96a7766f5d19b90a2818078ea5d88c40dfa121fd812216cf5cba3b48e0708b79

  • SHA512

    ffc1648f771e4af44dd0327084b301036503c7c5d4f0929b543ed6588a7ff0597e5f6d49f03edea8458ba301f9d6b4f155b7a8de75fb1cf5e410369c51394f97

  • SSDEEP

    384:LjLHvSSTjrknoQlgaYG3lzH0vkLV0MteGv6H6GkncKxX+:LHvSPo8gBoV09GW6GAcKxX+

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "FACTURA NAVLU 246735688 30.01.25 DSV 4500728783" /t REG_SZ /F /D "C:\Users\Admin\Documents\FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.pif"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "FACTURA NAVLU 246735688 30.01.25 DSV 4500728783" /t REG_SZ /F /D "C:\Users\Admin\Documents\FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.pif"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:232
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c Copy "C:\Users\Admin\AppData\Local\Temp\FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.exe" "C:\Users\Admin\Documents\FACTURA NAVLU 246735688 30.01.25 DSV 4500728783.pif"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3948
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1060-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1060-22-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1060-21-0x0000000006A20000-0x0000000006BE2000-memory.dmp

    Filesize

    1.8MB

  • memory/1060-20-0x0000000006800000-0x0000000006850000-memory.dmp

    Filesize

    320KB

  • memory/1060-19-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1060-18-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2536-10-0x0000000006D70000-0x0000000006DD6000-memory.dmp

    Filesize

    408KB

  • memory/2536-6-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2536-8-0x0000000006A50000-0x0000000006B34000-memory.dmp

    Filesize

    912KB

  • memory/2536-9-0x0000000006BD0000-0x0000000006C6C000-memory.dmp

    Filesize

    624KB

  • memory/2536-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2536-11-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2536-12-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2536-7-0x00000000069A0000-0x00000000069BE000-memory.dmp

    Filesize

    120KB

  • memory/2536-5-0x0000000005520000-0x000000000552A000-memory.dmp

    Filesize

    40KB

  • memory/2536-17-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2536-4-0x00000000055D0000-0x0000000005646000-memory.dmp

    Filesize

    472KB

  • memory/2536-3-0x0000000005530000-0x00000000055C2000-memory.dmp

    Filesize

    584KB

  • memory/2536-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

    Filesize

    5.6MB

  • memory/2536-1-0x0000000000B10000-0x0000000000B1C000-memory.dmp

    Filesize

    48KB