Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 16:36

General

  • Target

    Todas las facturas.exe

  • Size

    744KB

  • MD5

    169fb424223fb55b4b8383d48cdf79c6

  • SHA1

    0e3397da0b40a864a2100fbcbb919491ae5c2407

  • SHA256

    1d21c6206cdf72e796c32a7a747a5af0bcea50f89438a211c2b8d6814593e5dd

  • SHA512

    76139a52bbc5e9b4f2f12571c578666aa46edac240be3d8b9ec928d5287928e42373c710cd52592f84ba22cd2439d179bc0a8c3342135d6d7629228bfc60e478

  • SSDEEP

    12288:oMTOrpqgjy1Euu5XPPA3GdPbFAcJx1/A3R1LcUzg4zYKxYSq/er/3t0EPVMQ:Ipv21EDfq8PbqC/AB1L1rxYLU/3t0g1

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\Todas las facturas.exe
    "C:\Users\Admin\AppData\Local\Temp\Todas las facturas.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1292
    • 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\Todas las facturas.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HDhsWiNna.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDhsWiNna" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE225.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\Todas las facturas.exe
      "C:\Users\Admin\AppData\Local\Temp\Todas las facturas.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:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE225.tmp

    Filesize

    1KB

    MD5

    a1b951318776ffa138a303678390ef8f

    SHA1

    f06a82ef1c83c86a4befcd98e20518ca0693443b

    SHA256

    4abbf3f1b7f8a70b485867208e35fda97a07e251d0c9f63d9464676f1c0c0834

    SHA512

    22f575e2fe6c69010ad999315d624cea62f84a4caedc380923f5d67894b204871bb71afe850db3e8d74fece76a9ac998961a413349cd174926f0fbadb492231f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    45ab16b12f38e6ca95ee9fc3ad1f9238

    SHA1

    46bcd380e0fec11e1e1abc2c37a24f6f3e0d3793

    SHA256

    60d851bf1143b5472014f4fc8bd67df5282fee0d2e36d9bb284f9413a4bc6b3c

    SHA512

    e603f0ed13cb75749555e893b56694d22e9533ccc62fe5cd0203ae0e4037287429fbd17cd9ef0de717e38765eb15254e9391c1473945daa6058a1598e2ddc85c

  • memory/1292-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/1292-32-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/1292-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-6-0x0000000000B20000-0x0000000000BAC000-memory.dmp

    Filesize

    560KB

  • memory/1292-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-1-0x0000000000CB0000-0x0000000000D70000-memory.dmp

    Filesize

    768KB

  • memory/1292-3-0x0000000000340000-0x000000000035E000-memory.dmp

    Filesize

    120KB

  • memory/2992-31-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2992-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2992-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2992-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2992-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2992-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2992-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2992-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB