Analysis

  • max time kernel
    119s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 16:50

General

  • Target

    Ramona voy 2022003.exe

  • Size

    430KB

  • MD5

    b56154e2714ac86af823d0eeb549d84d

  • SHA1

    09e68a7275e1d21b5e6e28b9014790981cd0c5cd

  • SHA256

    3a91774dd2b3db1a5670f1f974110bb09154a0b28e66fdeb8274164c6c41aa74

  • SHA512

    0230267d992be14c8caeb469d85d5d31bff5664f50093af9b56f72311943cc9ce7fb0f8fc9ab00695768bd47bb031c258872e4acf5889e0df907822c307bc997

  • SSDEEP

    12288:+lQjc/wxiNUzmVFLLUBd9nTPGWlQB/LVDquaLj99vXe:3eUYUzmV+LGWlQxLVHaX7/e

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ramona voy 2022003.exe
    "C:\Users\Admin\AppData\Local\Temp\Ramona voy 2022003.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2164-0-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-1-0x0000000000FE0000-0x0000000001050000-memory.dmp

    Filesize

    448KB

  • memory/2164-3-0x0000000000470000-0x00000000004C4000-memory.dmp

    Filesize

    336KB

  • memory/2164-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB

  • memory/2164-4-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-5-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB

  • memory/2164-6-0x00000000002F0000-0x00000000002F8000-memory.dmp

    Filesize

    32KB

  • memory/2164-15-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2776-8-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2776-9-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2776-10-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2776-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2776-13-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2776-7-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2776-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2776-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB