Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 19:19

General

  • Target

    Payment Slip_Pdf.exe

  • Size

    1.0MB

  • MD5

    cbc85c6e67d54fbd245e715137333f99

  • SHA1

    92225d2d10b0894eb9aea75ad9e5d6a230c5d290

  • SHA256

    5911349922ae05bdb94047a5ac5c6070b79583380a277e88ecf9d74ba7a0d851

  • SHA512

    fe09671717697c95ea45ab4c08e76e33d6709d59fa217301c4fe0ba097aa71a4f13386e6d8eb0494ed91f87fd1b24da402c89e1d9ebc8618286914f887944427

  • SSDEEP

    24576:pRmJkcoQricOIQxiZY1iaajV1YVEpIxurZh/L0:mJZoQrbTFZY1iaiXYqpxVhw

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Slip_Pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Slip_Pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Slip_Pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1452
        3⤵
        • Program crash
        PID:1000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4060 -ip 4060
    1⤵
      PID:3124

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2668-2-0x0000000003C90000-0x0000000003E90000-memory.dmp

      Filesize

      2.0MB

    • memory/4060-3-0x0000000000180000-0x00000000001A6000-memory.dmp

      Filesize

      152KB

    • memory/4060-4-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

      Filesize

      4KB

    • memory/4060-5-0x0000000005140000-0x00000000056E4000-memory.dmp

      Filesize

      5.6MB

    • memory/4060-6-0x0000000004AB0000-0x0000000004B4C000-memory.dmp

      Filesize

      624KB

    • memory/4060-7-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4060-8-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB