Analysis

  • max time kernel
    139s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 11:32

General

  • Target

    f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe

  • Size

    858KB

  • MD5

    4ac76297abf58c73fdad41508853537c

  • SHA1

    9855c22d188988c1b8db019b5606fcf7cb192b6d

  • SHA256

    f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d

  • SHA512

    cf8e52b1dacd98abaa6244ad4f1be03cf6179fdc2d3f9d49be6207d5e7ad4155ef46f07ea3e801e3c5ea4662de0c6dcd2f34745e13cac80e7a472b0ab6bc30cc

  • SSDEEP

    12288:S6AMd6OdKEari+sNYvasQEU/xR8+jYQYIUsCXaNfFxDg70Q1ahPFqPneHWXtt7kR:S+6h1OHNYaLxtjUIUsftxDg7ncGf9o

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 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 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
    "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3340
    • 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\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hlxwOGwWpD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:448
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hlxwOGwWpD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BAF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3560
    • C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
      "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:60

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          3d086a433708053f9bf9523e1d87a4e8

          SHA1

          b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

          SHA256

          6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

          SHA512

          931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          c640708fc9d5eb2e9d873bd7ab0e1c43

          SHA1

          80e60da90e211114707a7dcb61cba50cebaf83d9

          SHA256

          53a6892d3ea519bf41166eeaaef3e102a95e9bd36160ebffe5fbda15cb5af61b

          SHA512

          488845c8cf3e1f783cf37e09dd1bf8de9bc1b5b0431ca76c40289e12203d9fd697583c1f1d3c6b226d79cad3fbdc41aeac64adc521dbaefc650ab00ff5133668

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qpjg4x0m.u1o.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp2BAF.tmp

          Filesize

          1KB

          MD5

          af8d78ef159ec799932802039900a4a7

          SHA1

          968ff9c77b20a5998831afa50836eb262cf317a2

          SHA256

          ba1216c4620212795f3154e241808e5b3ccb0a4bf5d6e98d02bb5631f4f7a078

          SHA512

          92592ad4871ad41017638a74469c231a102571ff29d8b1a844d327cff5282e32d6ce43c6cecbae32c21bb27859c41a72c2fa66dd95b2b50b18f29ed0fd6e64c9

        • memory/60-92-0x0000000006270000-0x00000000062C0000-memory.dmp

          Filesize

          320KB

        • memory/60-91-0x00000000063E0000-0x00000000065A2000-memory.dmp

          Filesize

          1.8MB

        • memory/60-26-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/448-75-0x0000000007750000-0x0000000007DCA000-memory.dmp

          Filesize

          6.5MB

        • memory/448-25-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/448-76-0x0000000007100000-0x000000000711A000-memory.dmp

          Filesize

          104KB

        • memory/448-77-0x0000000007170000-0x000000000717A000-memory.dmp

          Filesize

          40KB

        • memory/448-79-0x0000000007300000-0x0000000007311000-memory.dmp

          Filesize

          68KB

        • memory/448-49-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/448-65-0x0000000071860000-0x00000000718AC000-memory.dmp

          Filesize

          304KB

        • memory/448-89-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/448-80-0x0000000007330000-0x000000000733E000-memory.dmp

          Filesize

          56KB

        • memory/448-20-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/448-83-0x0000000007420000-0x0000000007428000-memory.dmp

          Filesize

          32KB

        • memory/3340-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

          Filesize

          5.6MB

        • memory/3340-5-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3340-6-0x0000000007FB0000-0x0000000007FC2000-memory.dmp

          Filesize

          72KB

        • memory/3340-7-0x000000007511E000-0x000000007511F000-memory.dmp

          Filesize

          4KB

        • memory/3340-3-0x0000000005460000-0x00000000054F2000-memory.dmp

          Filesize

          584KB

        • memory/3340-39-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3340-1-0x0000000000920000-0x00000000009F8000-memory.dmp

          Filesize

          864KB

        • memory/3340-4-0x00000000053C0000-0x00000000053CA000-memory.dmp

          Filesize

          40KB

        • memory/3340-11-0x00000000068A0000-0x000000000693C000-memory.dmp

          Filesize

          624KB

        • memory/3340-10-0x0000000006620000-0x00000000066AC000-memory.dmp

          Filesize

          560KB

        • memory/3340-8-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3340-0-0x000000007511E000-0x000000007511F000-memory.dmp

          Filesize

          4KB

        • memory/3340-9-0x00000000065C0000-0x00000000065D0000-memory.dmp

          Filesize

          64KB

        • memory/3664-51-0x0000000005FE0000-0x000000000602C000-memory.dmp

          Filesize

          304KB

        • memory/3664-63-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

          Filesize

          120KB

        • memory/3664-64-0x0000000006C90000-0x0000000006D33000-memory.dmp

          Filesize

          652KB

        • memory/3664-53-0x0000000071860000-0x00000000718AC000-memory.dmp

          Filesize

          304KB

        • memory/3664-52-0x0000000006A50000-0x0000000006A82000-memory.dmp

          Filesize

          200KB

        • memory/3664-50-0x0000000005A50000-0x0000000005A6E000-memory.dmp

          Filesize

          120KB

        • memory/3664-22-0x0000000004C80000-0x0000000004CA2000-memory.dmp

          Filesize

          136KB

        • memory/3664-78-0x0000000006FF0000-0x0000000007086000-memory.dmp

          Filesize

          600KB

        • memory/3664-23-0x0000000004D20000-0x0000000004D86000-memory.dmp

          Filesize

          408KB

        • memory/3664-38-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3664-81-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

          Filesize

          80KB

        • memory/3664-82-0x00000000070B0000-0x00000000070CA000-memory.dmp

          Filesize

          104KB

        • memory/3664-33-0x0000000005480000-0x00000000057D4000-memory.dmp

          Filesize

          3.3MB

        • memory/3664-90-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3664-24-0x0000000005410000-0x0000000005476000-memory.dmp

          Filesize

          408KB

        • memory/3664-19-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3664-17-0x0000000075110000-0x00000000758C0000-memory.dmp

          Filesize

          7.7MB

        • memory/3664-18-0x0000000004DE0000-0x0000000005408000-memory.dmp

          Filesize

          6.2MB

        • memory/3664-16-0x0000000002130000-0x0000000002166000-memory.dmp

          Filesize

          216KB