Analysis

  • max time kernel
    120s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 05:13

General

  • Target

    FACTURA.exe

  • Size

    865KB

  • MD5

    158d8d8e57ad1e305fce17d3e277cc6f

  • SHA1

    0ee2ca41f4b1898838fbd3c5c44baf124c21f4fb

  • SHA256

    51466536fb4a4b2f46c0344206795c49ca7a95ab1179c3c7c269a80623589477

  • SHA512

    4532aae393c59d63def7feb58bafa3530a7c77def52aa44892e76b72353f1fcd416ac388e8445be7041a370a72e4df692abbab899ff0a3afd9a87be4588d608b

  • SSDEEP

    12288:tTv21WRE10veA7aUJc+QS+shiCp++qsqwFnyZ7l:Fv2Q71W/OhPZryZ

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:584
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jGcAjS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2140
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGcAjS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE7DF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2728
    • C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
      "C:\Users\Admin\AppData\Local\Temp\FACTURA.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:1808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE7DF.tmp

    Filesize

    1KB

    MD5

    d7d16165f81747c7b6aa55d14e03d564

    SHA1

    c2b1a3de7293b467f9275aa15296eb6bc1a369cd

    SHA256

    254bdc06557f0f44a863d5b90ebc523629259ece19bd68e92f2b717de545d837

    SHA512

    a0ef335930a6ea5c45472feb1f1de983bb15b764b6c8e0dd72177153791402445d16c3362a5b66baeb26ae855607dcf8b30b0b3882a4a8e7828a494c520d6a3a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JN7G6XSIOSWJG2F39I8P.temp

    Filesize

    7KB

    MD5

    bc23c4aae32eac2c64d99f311e21e153

    SHA1

    b1f161ce81bee85a17dee1660bc75f2fbc7119c2

    SHA256

    568071aed65b32cb9d809b64c96fc6a4bcc1c0dd35d9a6eac5a46db995e4d201

    SHA512

    5cb6a42aa6174e63bcb7577122e2b8727ca542311db95523c8a39690a6c47904f713f73ee998168ec1931fca5895b7c7b9fba7e84276ca77b3aec0ae4ca44e08

  • memory/1732-4-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/1732-31-0x0000000074660000-0x0000000074D4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-0-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/1732-5-0x0000000074660000-0x0000000074D4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-6-0x0000000000200000-0x000000000028C000-memory.dmp

    Filesize

    560KB

  • memory/1732-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-1-0x0000000000B00000-0x0000000000BDE000-memory.dmp

    Filesize

    888KB

  • memory/1732-3-0x0000000000510000-0x000000000052E000-memory.dmp

    Filesize

    120KB

  • memory/1808-30-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1808-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1808-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1808-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1808-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1808-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1808-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1808-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB