Analysis

  • max time kernel
    118s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 02:20

General

  • Target

    227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.exe
    "C:\Users\Admin\AppData\Local\Temp\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • 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:2592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rZfPSwO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B12.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2632
    • C:\Users\Admin\AppData\Local\Temp\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.exe
      "C:\Users\Admin\AppData\Local\Temp\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.exe"
      2⤵
        PID:1808
      • C:\Users\Admin\AppData\Local\Temp\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.exe
        "C:\Users\Admin\AppData\Local\Temp\227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a.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:1432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6B12.tmp

      Filesize

      1KB

      MD5

      02e0dfc14ef9e6ccb9c55ff1fb90a2e8

      SHA1

      fe929bcc65b1b4b472053a6c562afa470019966e

      SHA256

      3a169c7b118f3b50872a17cbab4dc7e896c379fe2f12b2c316e2091273b92ec6

      SHA512

      4c3ea1cf337eed805ebba344e944ecfc44ecfcf701d7c6f7b6958bb814f5d64219e7e3b9ef775341aa00672c51b0324756d45e42aedbba6320e167ad738dcbad

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

      Filesize

      7KB

      MD5

      6eb009b3cc323971827cd525563d9832

      SHA1

      ebd5b5d731f337410b7b108fc58a69b03c2f5a00

      SHA256

      d4bee22c8fe97f08ec35dd72fe72b07ab8b6d964df1883f259674365a8733835

      SHA512

      2923a633580c0b2718e883ab0fc0bfd508389f2c7bf81ed2aabf8c157486bd0536cdd2b5df24b29d9f2bd351e49507489a0b59e7d6d589fd9c416330674260f1

    • memory/1432-29-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1432-26-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1432-20-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1432-22-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1432-24-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1432-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1432-30-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1432-31-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2080-1-0x00000000009C0000-0x0000000000A88000-memory.dmp

      Filesize

      800KB

    • memory/2080-2-0x0000000074140000-0x000000007482E000-memory.dmp

      Filesize

      6.9MB

    • memory/2080-0-0x000000007414E000-0x000000007414F000-memory.dmp

      Filesize

      4KB

    • memory/2080-32-0x0000000074140000-0x000000007482E000-memory.dmp

      Filesize

      6.9MB

    • memory/2080-7-0x0000000074140000-0x000000007482E000-memory.dmp

      Filesize

      6.9MB

    • memory/2080-3-0x0000000000460000-0x000000000047E000-memory.dmp

      Filesize

      120KB

    • memory/2080-6-0x0000000005120000-0x00000000051AE000-memory.dmp

      Filesize

      568KB

    • memory/2080-5-0x0000000074140000-0x000000007482E000-memory.dmp

      Filesize

      6.9MB

    • memory/2080-4-0x000000007414E000-0x000000007414F000-memory.dmp

      Filesize

      4KB