Analysis

  • max time kernel
    90s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 08:25

General

  • Target

    a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d.exe

  • Size

    982KB

  • MD5

    031f538bf91234929b1c3975c36691a0

  • SHA1

    ca89f6797c65c0ef1b3c6ea914863d60c36c54cf

  • SHA256

    a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d

  • SHA512

    2d2b5601a5074a37ab9e95b686eb91d880cf04800e816d3af94b3b32492a8fdf16b5ca32b0ab176b21c1474493dccf3cc47c8c0032caa7ee80f42660f7bfc2c2

  • SSDEEP

    24576:1Ey7VAyDXAiHWuYQBfD6YA1dHycx+GhCpG:1l7VAwzBtaS4+6CpG

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

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\a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d.exe
    "C:\Users\Admin\AppData\Local\Temp\a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d.exe
      "C:\Users\Admin\AppData\Local\Temp\a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a8b84e503c11cce5530fb019cd43a0306656dd22e78eac4279a332b00430ed8d.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/4688-139-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4688-141-0x0000000006460000-0x0000000006622000-memory.dmp

    Filesize

    1.8MB

  • memory/4744-132-0x0000000000E70000-0x0000000000F6C000-memory.dmp

    Filesize

    1008KB

  • memory/4744-133-0x0000000005E00000-0x00000000063A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4744-134-0x0000000005850000-0x00000000058E2000-memory.dmp

    Filesize

    584KB

  • memory/4744-135-0x00000000058F0000-0x00000000058FA000-memory.dmp

    Filesize

    40KB

  • memory/4744-136-0x0000000008200000-0x000000000829C000-memory.dmp

    Filesize

    624KB

  • memory/4744-137-0x0000000009530000-0x0000000009596000-memory.dmp

    Filesize

    408KB