Analysis

  • max time kernel
    122s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 17:46

General

  • Target

    78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe

  • Size

    859KB

  • MD5

    851e7869e5438362cd42a2ee85a75d31

  • SHA1

    1af1d8cd2a9be17e6c8404034d43018704aad87e

  • SHA256

    78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b

  • SHA512

    ab05303a50e663b507358eb61e74ee09dd6127a6287f1d66a1954ab6312b3a04d5a1a36dc421f1e771b456d544e5e3f9f92213ad1b828e820da570a9a238f894

  • SSDEEP

    24576:G1E1FidojNJ+fQhsTlGrddL8x/LpuOu5pjK/OMZ:G1E1Fi+v7Lrm/y5N

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.

  • Vipkeylogger family
  • 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\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
    "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2916
    • 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\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:264
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IozAFiLzFrQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IozAFiLzFrQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF3D1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2156
    • C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
      "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.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:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF3D1.tmp

    Filesize

    1KB

    MD5

    ab9f05c862ef05624475455efaa55f97

    SHA1

    71213fa98534e5336fef4aeac3955853a9b6102d

    SHA256

    653da6c7a547ce7c88bdea210695644e5c679ee3e8644f0f41cac9a9c71d0994

    SHA512

    e6a9c349f714ba1c927e9538777591ef9b0a4f453c309d817aad30b8ecef385cf60a43b144a71a25679511349a24527c11aea3f242e64bebe56ef60e7ff6ec77

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E895CX8RH55WASNXE5RB.temp

    Filesize

    7KB

    MD5

    0cd68ad442567b8f757621c0af83faf2

    SHA1

    9136b27e7851742d28092a51e23330ec24b85a26

    SHA256

    0093badd00f6523e744ae86c8c36b8a3c8bbdd91a8637b736cf512f94cb28839

    SHA512

    9235a595ac18c5a4ed445900cef00e66368d6b7062512258f5d23e5a0241e01f1e8e35fa90b0756b46f90d1ce62d26fffdf6a34d0cf121dafb2db04e5dc02199

  • memory/2700-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2700-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2916-6-0x0000000001F70000-0x0000000001FFC000-memory.dmp

    Filesize

    560KB

  • memory/2916-1-0x0000000000A90000-0x0000000000B6C000-memory.dmp

    Filesize

    880KB

  • memory/2916-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2916-2-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2916-3-0x00000000005D0000-0x00000000005EC000-memory.dmp

    Filesize

    112KB

  • memory/2916-5-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB

  • memory/2916-4-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2916-32-0x0000000074B40000-0x000000007522E000-memory.dmp

    Filesize

    6.9MB