Analysis

  • max time kernel
    41s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 13:26

General

  • Target

    InvWH-2E0865.exe

  • Size

    701KB

  • MD5

    7cc86a3f83fbb68e1a39193fd097304f

  • SHA1

    6e9f665a7f7266ad1a4d1693e84f3203744407c2

  • SHA256

    a2584975149658da70c801f79fbfdcdd66eddf114b84332d401d2ad6a0ddbf78

  • SHA512

    ef165943e3a378449976c8212bbfbfe91697fdf39afd6e52149395c7d1bb1796e9cb95eb6367017209b62aa2d00e97883ec0019b95869a265cc9010dbfbf1dfe

  • SSDEEP

    12288:ICc07BN2iN/QIuIBhye/+B0j17pgLF6Mkmwhbv/P2LRWZqk14GB:ICc07BN1FAay5Be9OkMk5VvHOEt

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6422013421:AAHaeSgAN5hyLvBtBCls-o9dHwHb-xkpsL4/sendMessage?chat_id=6803005190

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe
    "C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hHyfrga.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hHyfrga" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEF3.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2392
    • C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe
      "C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCEF3.tmp

    Filesize

    1KB

    MD5

    4fab85d169a51a0b0a7590942baad6b0

    SHA1

    23f097270e0e115118ff45549b15d5b22be60405

    SHA256

    a06f2980d350d3a0efcddce6f788c1bae0bce30737c064d332f30d99d66ea7cf

    SHA512

    9766fe2e82c4db2c1e72ebcc1b287ddbda4ee6202cfda237242b3cc8ab0fb453b74b90d729318c1d0df829f0636a8b5a4eb61533311e6434b3273b9ddcd308a6

  • memory/2824-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2824-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2824-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2824-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2824-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2824-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2824-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2824-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3004-5-0x0000000000370000-0x000000000037E000-memory.dmp

    Filesize

    56KB

  • memory/3004-1-0x00000000012A0000-0x0000000001356000-memory.dmp

    Filesize

    728KB

  • memory/3004-2-0x0000000073E70000-0x000000007455E000-memory.dmp

    Filesize

    6.9MB

  • memory/3004-0-0x0000000073E7E000-0x0000000073E7F000-memory.dmp

    Filesize

    4KB

  • memory/3004-6-0x0000000004E60000-0x0000000004EC8000-memory.dmp

    Filesize

    416KB

  • memory/3004-4-0x0000000000350000-0x0000000000358000-memory.dmp

    Filesize

    32KB

  • memory/3004-3-0x0000000000210000-0x0000000000222000-memory.dmp

    Filesize

    72KB

  • memory/3004-26-0x0000000073E70000-0x000000007455E000-memory.dmp

    Filesize

    6.9MB