Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2024 19:31

General

  • Target

    e9e59ca2c8e786f92e81134f088ea08c53fc4c8c252871613ccc51b473814633.exe

  • Size

    89KB

  • MD5

    b53eee189e09945c07a464d82be57e4e

  • SHA1

    93bf21ecb240ba177734600f6eef642f8a41f229

  • SHA256

    e9e59ca2c8e786f92e81134f088ea08c53fc4c8c252871613ccc51b473814633

  • SHA512

    6a7bc4d1447f5cc906152c591e1f2737c22059d1915febcbe8906eb9fcf2da3e9b33de215ce4498ed01024b57a7e12e9801c4907ca4109e01f94180545782a61

  • SSDEEP

    1536:EOrgQySDTYowOxhyR999vAFH/N1k7SZCHvqxuV/QHzw4iQMTq:uGMt999vUHF5ZCHvguV/QHzw2MTq

Malware Config

Extracted

Family

exelastealer

C2

https://discord.com/api/webhooks/1152920158470414406/e6cZMhR2c46WKJhAHuxbkYiUUJtxA61zPHZaJSHYHMBE8RWYV1mQZ1ZfleRCDXbyLf_t

Signatures

  • Exela Stealer

    Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

  • Exelastealer family
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9e59ca2c8e786f92e81134f088ea08c53fc4c8c252871613ccc51b473814633.exe
    "C:\Users\Admin\AppData\Local\Temp\e9e59ca2c8e786f92e81134f088ea08c53fc4c8c252871613ccc51b473814633.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      "wmic" path win32_VideoController get name
      2⤵
      • System Location Discovery: System Language Discovery
      • Detects videocard installed
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\SysWOW64\attrib.exe
      "attrib" +h +s "C:\Users\Admin\AppData\Local\Exela"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2560
    • C:\Windows\SysWOW64\attrib.exe
      "attrib" +h +s "C:\Users\Admin\AppData\Local\Exela\Exela.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /f /sc onlogon /rl highest /tn "AutoUpdateCheckerOnLogon" /tr "C:\Users\Admin\AppData\Local\Exela\Exela.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2708
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /f /sc hourly /mo 1 /rl highest /tn "AutoUpdateCheckerHourly" /tr "C:\Users\Admin\AppData\Local\Exela\Exela.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2652
    • C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profiles
      2⤵
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      PID:2212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 1384
      2⤵
      • Program crash
      PID:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Exela\Exela.exe

    Filesize

    89KB

    MD5

    b53eee189e09945c07a464d82be57e4e

    SHA1

    93bf21ecb240ba177734600f6eef642f8a41f229

    SHA256

    e9e59ca2c8e786f92e81134f088ea08c53fc4c8c252871613ccc51b473814633

    SHA512

    6a7bc4d1447f5cc906152c591e1f2737c22059d1915febcbe8906eb9fcf2da3e9b33de215ce4498ed01024b57a7e12e9801c4907ca4109e01f94180545782a61

  • memory/3028-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

    Filesize

    4KB

  • memory/3028-1-0x00000000008B0000-0x00000000008CC000-memory.dmp

    Filesize

    112KB

  • memory/3028-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB

  • memory/3028-20-0x0000000073D10000-0x00000000743FE000-memory.dmp

    Filesize

    6.9MB