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Analysis

  • max time kernel
    104s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2024, 17:49

General

  • Target

    MTLADYYASSOVESSELBRIEFDETAILS.exe

  • Size

    748KB

  • MD5

    e831581bced8750ffada97258b002ead

  • SHA1

    a49a29ebfe5e2fad0e051ce28c981d0169f1ea62

  • SHA256

    e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3

  • SHA512

    7659d281b7751f22d7a1383887d53d6ded4e7d1bdc83c7bb71ffde0b2f1316ba31d81ea8eab8ee1be261a620c65dbb1d5e26dfcb2a737db21b3158dfea843cd4

  • SSDEEP

    12288:wvSqYOE5WEgGpqmzV4uZ380dUxUPtAaesE1gqd1tw8:BcEj4Q80W8RedFx

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7148398804:AAESLKl9fVODMrpM8H4Wkq1Zbm-83PcMLro/sendMessage?chat_id=2135869667

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 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\MTLADYYASSOVESSELBRIEFDETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\MTLADYYASSOVESSELBRIEFDETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Users\Admin\AppData\Local\Temp\MTLADYYASSOVESSELBRIEFDETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\MTLADYYASSOVESSELBRIEFDETAILS.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3328-8-0x0000000005830000-0x0000000005838000-memory.dmp

    Filesize

    32KB

  • memory/3328-13-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-2-0x0000000005C60000-0x0000000006204000-memory.dmp

    Filesize

    5.6MB

  • memory/3328-3-0x00000000055A0000-0x0000000005632000-memory.dmp

    Filesize

    584KB

  • memory/3328-4-0x0000000005640000-0x0000000005694000-memory.dmp

    Filesize

    336KB

  • memory/3328-6-0x0000000005820000-0x000000000582A000-memory.dmp

    Filesize

    40KB

  • memory/3328-5-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-7-0x0000000005900000-0x000000000599C000-memory.dmp

    Filesize

    624KB

  • memory/3328-1-0x0000000000AD0000-0x0000000000B92000-memory.dmp

    Filesize

    776KB

  • memory/3328-0-0x000000007523E000-0x000000007523F000-memory.dmp

    Filesize

    4KB

  • memory/3328-12-0x000000007523E000-0x000000007523F000-memory.dmp

    Filesize

    4KB

  • memory/4200-11-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-9-0x0000000000550000-0x0000000000576000-memory.dmp

    Filesize

    152KB

  • memory/4200-10-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-14-0x0000000006350000-0x00000000063A0000-memory.dmp

    Filesize

    320KB

  • memory/4200-15-0x0000000006570000-0x0000000006732000-memory.dmp

    Filesize

    1.8MB

  • memory/4200-16-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-17-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB