Analysis

  • max time kernel
    118s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2023 18:53

General

  • Target

    NEAS.e51cde73b2f4b0b897843235d5db557cbdcd41f3e5b4c2a4c31886b95e5301d4exe_JC.exe

  • Size

    530KB

  • MD5

    d5cf794b8931228454a9218eba67c8c6

  • SHA1

    c58237c6e67e028bccaac59d4fb6791bf8ed646f

  • SHA256

    e51cde73b2f4b0b897843235d5db557cbdcd41f3e5b4c2a4c31886b95e5301d4

  • SHA512

    c876b50f51c473755275fbf2972f4748ba9192ff6d07bd099bf0c2766678e75a7c8e921d878e2601acd2b67cd4885bc30b7298d8896a78a595364f0eef7ff483

  • SSDEEP

    12288:ob7s9TQ9WseH/0px4aPQqyYxe8Bxm78xlaGgci:c7s90EHu7t3xPiWyT

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6454266704:AAGc7MbDFOw3VJ52r1hPLsjSZvjH8GUmylk/sendMessage?chat_id=1467583453

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • 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 2 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.e51cde73b2f4b0b897843235d5db557cbdcd41f3e5b4c2a4c31886b95e5301d4exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.e51cde73b2f4b0b897843235d5db557cbdcd41f3e5b4c2a4c31886b95e5301d4exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\NEAS.e51cde73b2f4b0b897843235d5db557cbdcd41f3e5b4c2a4c31886b95e5301d4exe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.e51cde73b2f4b0b897843235d5db557cbdcd41f3e5b4c2a4c31886b95e5301d4exe_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/836-1-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/836-0-0x0000000000820000-0x00000000008AA000-memory.dmp

    Filesize

    552KB

  • memory/836-2-0x00000000007D0000-0x0000000000810000-memory.dmp

    Filesize

    256KB

  • memory/836-3-0x0000000000950000-0x0000000000968000-memory.dmp

    Filesize

    96KB

  • memory/836-4-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/836-5-0x00000000007D0000-0x0000000000810000-memory.dmp

    Filesize

    256KB

  • memory/836-6-0x00000000007C0000-0x00000000007D0000-memory.dmp

    Filesize

    64KB

  • memory/836-7-0x00000000022F0000-0x0000000002350000-memory.dmp

    Filesize

    384KB

  • memory/836-19-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2744-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-20-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2744-21-0x0000000004990000-0x00000000049D0000-memory.dmp

    Filesize

    256KB

  • memory/2744-22-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-23-0x0000000004990000-0x00000000049D0000-memory.dmp

    Filesize

    256KB