Analysis

  • max time kernel
    132s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2023 22:28

General

  • Target

    b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe

  • Size

    628KB

  • MD5

    c8fa93aa2b19901add93130d7e19ac8c

  • SHA1

    674ddfbbde28933ccd2c45192ab1fe864ce8fda8

  • SHA256

    b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b

  • SHA512

    4aa0519657f0fc4589e25a0cfdf954782aa8c2b9f756655eb79f428350786f7a9492b8be979eb235010d3e6c8e2cd8b31adb8482e580e47b4752b6f087209b27

  • SSDEEP

    12288:0WOTNXc33HunBAFnS1GDtb7AufW1mIzAnf0EFQWhf3lnacr6aSTr:j3XuBqSOqNmIzAcEFdhf5a+

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6630888620:AAE93xtVx5O2Dxt-GABfyfFS0US096iv3q8/sendMessage?chat_id=1467583453

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
    "C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
      "C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"
      2⤵
        PID:1132
      • C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
        "C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"
        2⤵
          PID:4380
        • C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe
          "C:\Users\Admin\AppData\Local\Temp\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4088

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/4088-15-0x00000000745C0000-0x0000000074D70000-memory.dmp

        Filesize

        7.7MB

      • memory/4088-21-0x00000000050C0000-0x00000000050D0000-memory.dmp

        Filesize

        64KB

      • memory/4088-20-0x00000000745C0000-0x0000000074D70000-memory.dmp

        Filesize

        7.7MB

      • memory/4088-19-0x00000000061C0000-0x0000000006382000-memory.dmp

        Filesize

        1.8MB

      • memory/4088-18-0x0000000005FA0000-0x0000000005FF0000-memory.dmp

        Filesize

        320KB

      • memory/4088-17-0x00000000050C0000-0x00000000050D0000-memory.dmp

        Filesize

        64KB

      • memory/4088-12-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/4632-10-0x00000000745C0000-0x0000000074D70000-memory.dmp

        Filesize

        7.7MB

      • memory/4632-9-0x0000000008190000-0x000000000822C000-memory.dmp

        Filesize

        624KB

      • memory/4632-0-0x0000000000400000-0x00000000004A2000-memory.dmp

        Filesize

        648KB

      • memory/4632-11-0x0000000005030000-0x0000000005040000-memory.dmp

        Filesize

        64KB

      • memory/4632-8-0x0000000005BE0000-0x0000000005C40000-memory.dmp

        Filesize

        384KB

      • memory/4632-7-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

        Filesize

        40KB

      • memory/4632-6-0x0000000004F30000-0x0000000004F46000-memory.dmp

        Filesize

        88KB

      • memory/4632-16-0x00000000745C0000-0x0000000074D70000-memory.dmp

        Filesize

        7.7MB

      • memory/4632-5-0x0000000004F50000-0x0000000004F5A000-memory.dmp

        Filesize

        40KB

      • memory/4632-4-0x0000000005030000-0x0000000005040000-memory.dmp

        Filesize

        64KB

      • memory/4632-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

        Filesize

        584KB

      • memory/4632-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

        Filesize

        5.6MB

      • memory/4632-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

        Filesize

        7.7MB