Analysis

  • max time kernel
    195s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 09:20

General

  • Target

    RFQ 77900.exe

  • Size

    631KB

  • MD5

    246d186d8e2142c91501e9c20f67d08f

  • SHA1

    b18de426e6d28d6551beee2ab1f6ef85f8ea525a

  • SHA256

    8f5a23cb25c7cb7ec6ea3a53261ed6c7983751eabaccae62dd964b8dee5259ee

  • SHA512

    2c226534a8e86dd507960d3a8e77e3cf65dfc1bba7524691abd3e0480f22ba878ef0fc3295e29e3969125563503296dcd608be37a47958625af1c5b1afb56196

  • SSDEEP

    6144:ZZbWdOtQpf1+4oIxW0kGLBwN/Mo7Yu6D4XsX/ZwlWhxBJjSKXWqrvEPkVPRmk5eG:6cQT+qZkEB6N6DYkvvjSCumZJbxpDF

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ 77900.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 77900.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Users\Admin\AppData\Local\Temp\RFQ 77900.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ 77900.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ 77900.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1908-137-0x0000000000000000-mapping.dmp
  • memory/1908-138-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1908-140-0x0000000006730000-0x00000000068F2000-memory.dmp
    Filesize

    1.8MB

  • memory/3484-132-0x0000000000380000-0x0000000000424000-memory.dmp
    Filesize

    656KB

  • memory/3484-133-0x0000000005430000-0x00000000059D4000-memory.dmp
    Filesize

    5.6MB

  • memory/3484-134-0x0000000004DD0000-0x0000000004E62000-memory.dmp
    Filesize

    584KB

  • memory/3484-135-0x0000000004F70000-0x0000000004F7A000-memory.dmp
    Filesize

    40KB

  • memory/3484-136-0x0000000000DA0000-0x0000000000E3C000-memory.dmp
    Filesize

    624KB