Analysis

  • max time kernel
    25s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/03/2025, 20:07

General

  • Target

    void/469a30082aeff1c7367a5c98d83d4230947500771e86738903a026859f870f1b.ps1

  • Size

    951B

  • MD5

    991bfc052219f7e9b6e77e2268c08947

  • SHA1

    c6e8df55948ed92caa0401c28dfeb474c02136ef

  • SHA256

    469a30082aeff1c7367a5c98d83d4230947500771e86738903a026859f870f1b

  • SHA512

    bf7a963c06de9f3f66eb568f94bdeda1ea0236c39d8db768e7ecb942018fc1d7effc42295acebb114b7f40bdae5d72756eb1413d7221577bf202051fb7123fd4

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
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\void\469a30082aeff1c7367a5c98d83d4230947500771e86738903a026859f870f1b.ps1
    1⤵
    • Blocklisted process makes network request
    • Downloads MZ/PE file
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\_eesld1s.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA729.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA728.tmp"
        3⤵
          PID:2720
      • C:\Users\Admin\AppData\Roaming\cosse.exe
        "C:\Users\Admin\AppData\Roaming\cosse.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Roaming\cosse.exe"
          3⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RESA729.tmp

      Filesize

      1KB

      MD5

      afa7095180dd26220bac2076246c7aa0

      SHA1

      df030473c78f14ad4531b431bdacc8e5c48429de

      SHA256

      041917936d8000e6b9b46dba1f9002b56f94a4c79d0a011398d5a53d210a56f4

      SHA512

      1a28ecf60e577cc4d1432cf63b11d2f51fcaeda8cc8c670853a48e7d6c35e4f89217b6cd6185c847fc327f2f356037833919a69cf90e1ab918d5d03454542a0d

    • C:\Users\Admin\AppData\Local\Temp\_eesld1s.dll

      Filesize

      3KB

      MD5

      f7dc5069e9fb6a91c0791e113153f966

      SHA1

      67e4347e27ede1aa33a9b529070a262e3a78a6df

      SHA256

      3ccf54b5c16e1e45f5ce8f276d854713b4ddd03c2c5d80d703568a7591f5ce05

      SHA512

      aa95a4b049243c7bc6a4907a5d06bb7f1725de1bb7ea411fa111c248b477e0da6f84cc675ebd06c378cdcd24cd38842e84263971c58d0cdb77c1bff56fbaf72e

    • C:\Users\Admin\AppData\Local\Temp\_eesld1s.pdb

      Filesize

      7KB

      MD5

      1abd20b21e3aa11e75a965e93645dc0a

      SHA1

      bcc329fbfe702d95ba4032860e6322d00acaa190

      SHA256

      0e6f6f222211f5c7b4319ec79cc6507c42bfd0adcf295445a7ec8718301ffb7c

      SHA512

      2597063e8c4a1614c0d46a2f76ad03b57d4c34960551e821f9261524933e923d005bea8b9e3bc45b9e9644d343184887300babe9416f24ce8b64aa1a6a665b0a

    • C:\Users\Admin\AppData\Roaming\cosse.exe

      Filesize

      1020KB

      MD5

      4397e5bc5bc3c6d79b917b17e8b122f3

      SHA1

      007b6e094526fb0bb0978672ff50024e1cc635fc

      SHA256

      63cae99ed47a3a8ad4fcf212d71c0700f5f99390f188ab2c45e17d1c4618ff04

      SHA512

      fd7dca44dbd973cff67d1a0cc2a80fbe2857d464d9c0d44988225c0104bce8b4b33ee01201ae3b91fecf07b2c5bef118b2a61514904b73272a5de4fa54ade386

    • \??\c:\Users\Admin\AppData\Local\Temp\CSCA728.tmp

      Filesize

      652B

      MD5

      1c3b4bf4e4dab7679c9baa765313f803

      SHA1

      3c1cdbb22bd02cdf19101877b9073021886c7418

      SHA256

      9632b8262d8fc579e07a36737cbc014666a20e6418e32f2fcaae7f2041c3a021

      SHA512

      6ccfa2beca7af62f1759de95da4778504912182469a9e8cb7c1210a3f8361fe5e8eef052dd8b5cb03b798f56c9c784340b9513958238ec5dd9d77519305ee098

    • \??\c:\Users\Admin\AppData\Local\Temp\_eesld1s.0.cs

      Filesize

      470B

      MD5

      fc199e95b98fd2bef9dc8c75ac49fd5c

      SHA1

      389c49f099b5da6b47d07e9de292d553c6713f83

      SHA256

      c443f29fb2f6d18f4cb0813c178248952b8856a8e27a157ce046e7eecd99604f

      SHA512

      07b4af2f464e011646d0deb2bd1639cc0ade38b507b84230ee3d4863416a6a9c9d9e6678a438ae203bd534adbe1160198c6575d87f8a88ce440aefd1d018d7ba

    • \??\c:\Users\Admin\AppData\Local\Temp\_eesld1s.cmdline

      Filesize

      309B

      MD5

      5c072d3e5edd2e72556e627c7ff17178

      SHA1

      4f7f828532e92cce238fd50da61fb1e154c716b4

      SHA256

      329116eee05614b6b96c493103d055e858b0b28b30e5fa180829547cf2917219

      SHA512

      6d2656c1afce7b9b28d2e83fae034a48a613bd828fbb2858f02f3b1246c06de8abe3300dba0149cdf9377b672eb88c13dfb6420da118fa3893a43c4fe5bbd572

    • memory/2268-12-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

      Filesize

      9.6MB

    • memory/2268-15-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

      Filesize

      9.6MB

    • memory/2268-4-0x000007FEF5C8E000-0x000007FEF5C8F000-memory.dmp

      Filesize

      4KB

    • memory/2268-24-0x0000000002B90000-0x0000000002B98000-memory.dmp

      Filesize

      32KB

    • memory/2268-8-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

      Filesize

      9.6MB

    • memory/2268-7-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

      Filesize

      9.6MB

    • memory/2268-6-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

      Filesize

      32KB

    • memory/2268-31-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

      Filesize

      9.6MB

    • memory/2268-5-0x000000001B620000-0x000000001B902000-memory.dmp

      Filesize

      2.9MB

    • memory/2268-37-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

      Filesize

      9.6MB

    • memory/2732-46-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2732-45-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2732-44-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB