Analysis

  • max time kernel
    121s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 15:09

General

  • Target

    Hesap_Hareketleri_10122024_html.exe

  • Size

    846KB

  • MD5

    18709f2606d2834d725a5677bdd4d737

  • SHA1

    bbc16514aea1e283ba1863a5db34c71b0f574fc8

  • SHA256

    50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682

  • SHA512

    758d818dd3d252010e612ded4bf4846f053b1ad9c06d5139c7d65c35a9956ee7655c567c9efcfdb24122fe1dd55a324bf30277152da85e56be2f2e656e853b9e

  • SSDEEP

    12288:nFMFoFvNLrJG2FYswEHLwSdNY8O7jbXdhb0mqqbNtYKy0QZURoSGb5hfBMG+wy9n:vFnJNY8KDzqCXW0g2edhf5+wFO

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\Hesap_Hareketleri_10122024_html.exe
    "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • 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\Hesap_Hareketleri_10122024_html.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDYiGmDlq.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDYiGmDlq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2984
    • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe
      "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.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:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEB0.tmp

    Filesize

    1KB

    MD5

    ca22db3769c6d444776afb84f7d90d4f

    SHA1

    8782024280d6a1e37cd4e8a4d06b63a1d486f6e8

    SHA256

    28f9b690ac7bfa1a7631bb082cc4d1be37e0a709b90cdbe427230094f56c4ae5

    SHA512

    70ee40896db6b1bd605d93b3f91eff05bd95ee1a0a2c2290202683a09bc4b28f3e9f1b35270bbfc17492dac0d82233fe15551428f2dc77ecae2cab53aa222af6

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

    Filesize

    7KB

    MD5

    0c1782583c116127c6d6b6edeb52fdd3

    SHA1

    be988371e7b42163904fd1a4e1c6381c6dda4223

    SHA256

    a64095efa1c6f0453389608d87b0cc24205b5bbf6ef4771203fb50cfb139b63f

    SHA512

    ac0e7dc57ef9b3db11b9e66cafcd98942463bc210a79dbf971dd6aab3ea6950ab07cd4dcbf05446f9be613095b33aedf28f8242102d2f8307c7cf9489f0cd42b

  • memory/2388-4-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2388-32-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2388-5-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-6-0x0000000006190000-0x000000000621E000-memory.dmp

    Filesize

    568KB

  • memory/2388-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-1-0x00000000013B0000-0x000000000148A000-memory.dmp

    Filesize

    872KB

  • memory/2388-3-0x00000000008E0000-0x00000000008FE000-memory.dmp

    Filesize

    120KB

  • memory/2856-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2856-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2856-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2856-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2856-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2856-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2856-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2856-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB