Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 05:44

General

  • Target

    Hesap_Hareketleri_09122024_html.exe

  • Size

    775KB

  • MD5

    ca2a4c48977c3b639e3aa420745432fb

  • SHA1

    4414642ab2f92b536d59a05d4ddfa838fdf3a9b5

  • SHA256

    227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a

  • SHA512

    00fec3c4ce9e26aba652594871818277b9ffcb06b21a6ea227a6b376e5f69d134e98cee87891c18fdb54901ebaf658717ec2a415cd29c3d60dc377d8b91bb8dc

  • SSDEEP

    12288:PNl4dY9shQgZbGen4mrXc541rjRIIBbg3EuTFd5doUQuGAhR1KuIeyxqSp+:Idhl5x3Q21pIL3EuBdAUbG82mSp

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 8 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_09122024_html.exe
    "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_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:1324
    • 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_09122024_html.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rZfPSwO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rZfPSwO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7C7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2880
    • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe
      "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_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:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF7C7.tmp

    Filesize

    1KB

    MD5

    4a088c5dbccb5224a410416ac5193060

    SHA1

    715fdbdc6f4ef893c4a3b37ab3e240715ae2a1b1

    SHA256

    d710c2b218f42cfc87e7cdee4926b13780177222be9406eaaed101f26c543b76

    SHA512

    06832232a8258041f0387a07d6bcaa3d5160b0bbf1faa762818fd283614a8e06bff586c0df5b949abe19bf1bc0b8d7878676b624a9ca8f6f87326605cf6507f7

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

    Filesize

    7KB

    MD5

    f5449cdb9f74cfcafa0e260f4b558051

    SHA1

    1f6cdc11f9f7836f807af3ce37b4e3ef6d5d25a2

    SHA256

    e49699c1014f124a262f5f7539122356e3625f684420cbed3c279587b09cc5e5

    SHA512

    a16ba4ce83142ba953c9b8ba28f66293bb31baebfe70c6262bffe611bb942be56ead7d666f8c9dde5fdc6670cbeaa99239951d5b3480c3f6cb4ffa902ae5c202

  • memory/1324-4-0x000000007452E000-0x000000007452F000-memory.dmp

    Filesize

    4KB

  • memory/1324-3-0x00000000009D0000-0x00000000009EE000-memory.dmp

    Filesize

    120KB

  • memory/1324-0-0x000000007452E000-0x000000007452F000-memory.dmp

    Filesize

    4KB

  • memory/1324-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1324-6-0x0000000005C00000-0x0000000005C8E000-memory.dmp

    Filesize

    568KB

  • memory/1324-7-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1324-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1324-1-0x00000000009F0000-0x0000000000AB8000-memory.dmp

    Filesize

    800KB

  • memory/1324-33-0x0000000074520000-0x0000000074C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2844-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2844-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2844-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2844-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2844-32-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2844-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2844-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB