Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2023 18:23

General

  • Target

    dekontMPS20231003.exe

  • Size

    420KB

  • MD5

    fdc10b0a79f5e2d47f81c4f81ad4ac07

  • SHA1

    1a9b020fe2e21e9ab341643c8f9e96bd8a5da095

  • SHA256

    eb129d9324fffc4f901285201177387057e3d6c8f34e93aab8b08eee5b44dcb9

  • SHA512

    f0c76eea93c0e23cab41f63b4f7fcae895373134933c6755c56dd6d0d0c14c953b5f0725391dfb392ff22988deeacb5a194e50ac5a87428563367fecd883918b

  • SSDEEP

    12288:vQ/VsmwXLT+jUl+cQMFY523fXbfqfc/3ubyMN:4/VsdXLKjUl+cQMFYU3fXbf2c/3J

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6559576673:AAE6veQ5mMCrHEUknXuYdCi8fCjm4p3sg-0/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
  • Adds Run key to start application 2 TTPs 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dekontMPS20231003.exe
    "C:\Users\Admin\AppData\Local\Temp\dekontMPS20231003.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Users\Admin\AppData\Local\Temp\dekontMPS20231003.exe
      C:\Users\Admin\AppData\Local\Temp\dekontMPS20231003.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\dekontMPS20231003.exe.log

    Filesize

    1KB

    MD5

    159a40ccfd419bd60a20a1c278edaafd

    SHA1

    09bc35e46135b6b44c609fe6514ab7e2c8696a99

    SHA256

    24487f4b6318683dcd81970e9f57fb45167575f687f7831a563176e20da657b6

    SHA512

    b5c5b8c23479afff6b72c37c2cc1204c079ae003bae586d082d2b05acfdab8753fea78c5e53f692e4a45aba6746703d9ca99a2d0fa7bd88a7f35a910d1ad1ff3

  • memory/608-10-0x0000000140000000-0x0000000140022000-memory.dmp

    Filesize

    136KB

  • memory/608-19-0x000001F1F6210000-0x000001F1F6220000-memory.dmp

    Filesize

    64KB

  • memory/608-18-0x00007FFBCBD90000-0x00007FFBCC851000-memory.dmp

    Filesize

    10.8MB

  • memory/608-17-0x000001F1F63F0000-0x000001F1F65B2000-memory.dmp

    Filesize

    1.8MB

  • memory/608-16-0x000001F1F6170000-0x000001F1F61C0000-memory.dmp

    Filesize

    320KB

  • memory/608-15-0x000001F1F6210000-0x000001F1F6220000-memory.dmp

    Filesize

    64KB

  • memory/608-14-0x00007FFBCBD90000-0x00007FFBCC851000-memory.dmp

    Filesize

    10.8MB

  • memory/844-8-0x000002BE349D0000-0x000002BE349E0000-memory.dmp

    Filesize

    64KB

  • memory/844-0-0x000002BE1A320000-0x000002BE1A38C000-memory.dmp

    Filesize

    432KB

  • memory/844-7-0x00007FFBCBD90000-0x00007FFBCC851000-memory.dmp

    Filesize

    10.8MB

  • memory/844-6-0x000002BE34C90000-0x000002BE34CDC000-memory.dmp

    Filesize

    304KB

  • memory/844-13-0x00007FFBCBD90000-0x00007FFBCC851000-memory.dmp

    Filesize

    10.8MB

  • memory/844-5-0x000002BE1C080000-0x000002BE1C0B6000-memory.dmp

    Filesize

    216KB

  • memory/844-4-0x000002BE1BFC0000-0x000002BE1C008000-memory.dmp

    Filesize

    288KB

  • memory/844-3-0x000002BE349D0000-0x000002BE349E0000-memory.dmp

    Filesize

    64KB

  • memory/844-2-0x00007FFBCBD90000-0x00007FFBCC851000-memory.dmp

    Filesize

    10.8MB

  • memory/844-1-0x000002BE1A730000-0x000002BE1A738000-memory.dmp

    Filesize

    32KB