Analysis

  • max time kernel
    28s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/03/2025, 20:09

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:3004
    • 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\xjuaon7z.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1908
      • 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\RESA880.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA87F.tmp"
        3⤵
          PID:2296
      • 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:2796
        • 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:2772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RESA880.tmp

      Filesize

      1KB

      MD5

      ad3a2cd460990bc00ce3f0a92e866ef7

      SHA1

      ff03945e9a8920067878266d27dbf40d8487acfc

      SHA256

      d56edcff3884a23d0976c770c91ce51612bded53754cec5b8c43635e7ff52c8f

      SHA512

      23cf1d5596aa66d5c366058c94806fc5662d6be32eff3acff2492600bcccb379bd7d1c0bf116488d8e2e60b4ffb2be8ecc686b508b96d7d28aaacfd7d09389da

    • C:\Users\Admin\AppData\Local\Temp\xjuaon7z.dll

      Filesize

      3KB

      MD5

      8d4d7967563dc0df1b4be5c8e3f2ffeb

      SHA1

      6097ff5eefef8485aee6951605e4a7b0f9bded40

      SHA256

      1d4482ea1b766ef101e52bdb3c46b162f88d26b47f22cc68937d8d6eab2da0f8

      SHA512

      be8f1a5e64477943fbc48f9148e3187a730743f37df8a48cdf283f77c85d3699f8af58453cfac97127eb6cb1f32d124dbb733c07a738c90ac31d8968b077fc3a

    • C:\Users\Admin\AppData\Local\Temp\xjuaon7z.pdb

      Filesize

      7KB

      MD5

      03107031929c7a24cd7918cb5241b4b9

      SHA1

      e93c1ac6f56cb6393dba48a3a1d38b404c983b0b

      SHA256

      c724c510130d2880de3ab0be7918b0fcf0815fd9e94cbc0e842af9bb82f5e7b0

      SHA512

      245d24470250a8689134fe81146645f98b7b1abf1e9b7465c8e9a2ab3a1b72fb5bd1dee7acac3888d257e214783221ceedb8265fd2135f1e6614e8516241b852

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

      Filesize

      1020KB

      MD5

      4397e5bc5bc3c6d79b917b17e8b122f3

      SHA1

      007b6e094526fb0bb0978672ff50024e1cc635fc

      SHA256

      63cae99ed47a3a8ad4fcf212d71c0700f5f99390f188ab2c45e17d1c4618ff04

      SHA512

      fd7dca44dbd973cff67d1a0cc2a80fbe2857d464d9c0d44988225c0104bce8b4b33ee01201ae3b91fecf07b2c5bef118b2a61514904b73272a5de4fa54ade386

    • \??\c:\Users\Admin\AppData\Local\Temp\CSCA87F.tmp

      Filesize

      652B

      MD5

      d09709ef3538bcfdc1f27a8767ec0c90

      SHA1

      cc7fa77befc60aed0b39ed60090f96424c90500d

      SHA256

      6d8cc10e872b67b830abb541e95ccf8e4bb4731c6041b8b7931908a90eb8f51b

      SHA512

      c310d2b6ecf344602de39e4c557b31749af3ddc318d6342d331fc1a06d05e5dd2dd25dcc1c42e8a134e130b015aa78d6020799d4eaad79049280504a1d7fa8bb

    • \??\c:\Users\Admin\AppData\Local\Temp\xjuaon7z.0.cs

      Filesize

      470B

      MD5

      fc199e95b98fd2bef9dc8c75ac49fd5c

      SHA1

      389c49f099b5da6b47d07e9de292d553c6713f83

      SHA256

      c443f29fb2f6d18f4cb0813c178248952b8856a8e27a157ce046e7eecd99604f

      SHA512

      07b4af2f464e011646d0deb2bd1639cc0ade38b507b84230ee3d4863416a6a9c9d9e6678a438ae203bd534adbe1160198c6575d87f8a88ce440aefd1d018d7ba

    • \??\c:\Users\Admin\AppData\Local\Temp\xjuaon7z.cmdline

      Filesize

      309B

      MD5

      88c00f402c5760ba9dc33479cfe8771c

      SHA1

      8b115a0b25c92ec5695b4ac06ccb198dfa639f06

      SHA256

      aa25673b1fe21775b08a2e0cf523fc6d2ae018a36669fac71816be0414f651fa

      SHA512

      3de627170a0b9147745a1db204dcab070d2963991bf6a8ac11190735441f93601be2a58abb3fd93787bb295ec18141e55f7ed0ce6ef8b82fe937baf31489ff9c

    • memory/2772-43-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2772-45-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2772-44-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3004-13-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-4-0x000007FEF540E000-0x000007FEF540F000-memory.dmp

      Filesize

      4KB

    • memory/3004-22-0x0000000002960000-0x0000000002968000-memory.dmp

      Filesize

      32KB

    • memory/3004-7-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-6-0x0000000001DD0000-0x0000000001DD8000-memory.dmp

      Filesize

      32KB

    • memory/3004-25-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-26-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

      Filesize

      9.6MB

    • memory/3004-5-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

      Filesize

      2.9MB

    • memory/3004-36-0x000007FEF5150000-0x000007FEF5AED000-memory.dmp

      Filesize

      9.6MB