Analysis

  • max time kernel
    42s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 07:00

General

  • Target

    INV0021800.exe

  • Size

    280KB

  • MD5

    4da27060065354c79ade40db0732ca01

  • SHA1

    7f1e1d37eab023190a2529048caf55c0447e56a3

  • SHA256

    477ea88234cf1fd26570b7bdaf1d8b695d16a8b984ea0e4ef8f09c655a0f35db

  • SHA512

    478a8267fbef8751a4ccfea53f58e26de6824a2df82cde62b1c5625ad1a46e7d8a58cb9daf89631f144901b1adc8264bf2efdcaf2e87c31e522d6b7c71d5fec1

  • SSDEEP

    6144:kY9lSSxmJp3s8aRA1iHF/Tb1rcOyEr6zzWVhJms7BU+J3LbFe:kqSSShs/AATJcLEr6zzWVhZdrJ3LY

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5798068653:AAGKgOdYJyk9qm4DWZF93yUQ5gS6RyZYijc/sendMessage?chat_id=1277896104

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INV0021800.exe
    "C:\Users\Admin\AppData\Local\Temp\INV0021800.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\INV0021800.exe
      "C:\Users\Admin\AppData\Local\Temp\INV0021800.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1688-54-0x0000000000B90000-0x0000000000BDC000-memory.dmp
    Filesize

    304KB

  • memory/1688-55-0x00000000004B0000-0x00000000004F2000-memory.dmp
    Filesize

    264KB

  • memory/1688-56-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/1688-57-0x00000000003E0000-0x00000000003F6000-memory.dmp
    Filesize

    88KB

  • memory/2028-58-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2028-59-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2028-61-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2028-63-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2028-64-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2028-65-0x00000000004202FE-mapping.dmp
  • memory/2028-67-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2028-69-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB