Analysis

  • max time kernel
    121s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 16:57

General

  • Target

    2efb7a094b303bdb0caf62dd8d676963.exe

  • Size

    844KB

  • MD5

    2efb7a094b303bdb0caf62dd8d676963

  • SHA1

    70a4fdaff3eb7dcefe8b472a515341ad216c2e49

  • SHA256

    14b33650cf6497ab5a9f973f61ca8b43ad33a0b1a85f378345f51855567f4d2a

  • SHA512

    5f930d4be2c259a40ec1abf2102124e36f2c17f2026ee5d23b868e9ea9c5efeee17e09eb955d2594bcaa668778d5ff00c6d2950935802e370ab99f32af42d6b9

  • SSDEEP

    12288:b2VrmcC2EsNa7iS/d348n0PhybuVj5T8h7GzULMMENOvgfXtUKA4qX:MrzVhlS/d3j6Vj5ghp2NOYqKS

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe
    "C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe
      "C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 1524
        3⤵
        • Program crash
        PID:2968

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1712-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1712-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1712-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1712-25-0x0000000074640000-0x0000000074D2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1712-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1712-20-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1712-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1712-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1712-26-0x0000000004D30000-0x0000000004D70000-memory.dmp

    Filesize

    256KB

  • memory/1712-24-0x0000000074640000-0x0000000074D2E000-memory.dmp

    Filesize

    6.9MB

  • memory/1712-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2672-7-0x0000000000FE0000-0x0000000001004000-memory.dmp

    Filesize

    144KB

  • memory/2672-6-0x00000000057B0000-0x0000000005842000-memory.dmp

    Filesize

    584KB

  • memory/2672-1-0x00000000746C0000-0x0000000074DAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-22-0x00000000746C0000-0x0000000074DAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-0-0x0000000001190000-0x000000000126A000-memory.dmp

    Filesize

    872KB

  • memory/2672-5-0x0000000004E10000-0x0000000004E50000-memory.dmp

    Filesize

    256KB

  • memory/2672-4-0x00000000746C0000-0x0000000074DAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-3-0x00000000004D0000-0x00000000004E2000-memory.dmp

    Filesize

    72KB

  • memory/2672-2-0x0000000004E10000-0x0000000004E50000-memory.dmp

    Filesize

    256KB