Analysis

  • max time kernel
    65s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 13:25

General

  • Target

    f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4.exe

  • Size

    859KB

  • MD5

    c88254b37fefcdd89d2d0ec33dfbc297

  • SHA1

    a672d8c0063afa23fa25bea19de286e626dfe133

  • SHA256

    f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4

  • SHA512

    9a4472f6d7251d6b187b1382536f03e347937fb18e713ebb0e659b33a3378ea478585379331b889e49058a522c3015b0b46669ce19ca2e1f5bd12a0d2606cf25

  • SSDEEP

    24576:K1r1Fid2Zjri8yfYDFaHHminnen2kXHeDApmFeLW/OMZE:K1r1Fi+ju4Zafni2kX+DApm6h

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 6 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\f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4.exe
    "C:\Users\Admin\AppData\Local\Temp\f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2488
    • 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\f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oqRwcWctcQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2208
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oqRwcWctcQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD49E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2964
    • C:\Users\Admin\AppData\Local\Temp\f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4.exe
      "C:\Users\Admin\AppData\Local\Temp\f29760754e3234eeb7db1bb85484de7302639c4efcd387e525e84be5b57f29e4.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:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD49E.tmp

    Filesize

    1KB

    MD5

    2cc321d55cde18a8e7129dd8c69165b6

    SHA1

    9e9113f0fcef32bcbfdc66608445c4aef8761d57

    SHA256

    7b9dfbaaa2c889ae1a0c66546c6f15f36471cb60a5541018b4c7125147375d9a

    SHA512

    d244e7aa7ff7fd8d27e0c9b03db468c6d10827e5665d75b095a23801e34d294e3a6d9cb56a048ef9d85d2ff5993509ee3ebd5fd7b501ccced6ac1864df28f1de

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\38BSXUWKKUYF75BZK88N.temp

    Filesize

    7KB

    MD5

    80eeff3035fa071f1dd0a600952aa286

    SHA1

    f73191f179fd3b74492ca662cbeb0916dee61152

    SHA256

    a04c088cbbd3e69364c42cddf009c410587a74a2e273ee03322ad21ffa221b8e

    SHA512

    bd2b28c7aa3ff9c3d1f2db0ce33ab2cfba2a1f722c3d6ca20cc10c7d4ae220d2ea123d6a73482f815728bb991b21676b417a1ccc36ee3d8d9c0be85b4365b839

  • memory/2488-4-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

    Filesize

    4KB

  • memory/2488-31-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

    Filesize

    4KB

  • memory/2488-5-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-6-0x0000000005A30000-0x0000000005ABC000-memory.dmp

    Filesize

    560KB

  • memory/2488-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-1-0x00000000011E0000-0x00000000012BC000-memory.dmp

    Filesize

    880KB

  • memory/2488-3-0x0000000000870000-0x000000000088C000-memory.dmp

    Filesize

    112KB

  • memory/2800-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2800-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2800-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2800-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2800-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2800-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2800-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2800-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB