Analysis

  • max time kernel
    132s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 01:20

General

  • Target

    INVOICE #R684.exe

  • Size

    785KB

  • MD5

    3b00628329271451ed85c57b7d34c192

  • SHA1

    ea9d202448e12735edc1a40b8680cb954f7ef2c0

  • SHA256

    c53b13442d16e522db35af6431d5a3d9599206db9975245b9ca90c43d4c4645b

  • SHA512

    8e1e75758eeef735212408b80fd62612aa1db2ed4832899916bf9e5d260eb32278213199f5e3e47d893c0f933a512c7e18ba2fa69f3a89b7a26dae6336d30386

  • SSDEEP

    12288:g/FtL5JWm6cZp0EG9DZaDc6h1sDzyDRdZ0LERShupkaCc:g3L5JJ6cZqEG9DMlnr4+Iue/c

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aktagor-prom.by
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    71z&rRC84

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
  • 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 3 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE #R684.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE #R684.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Users\Admin\AppData\Local\Temp\INVOICE #R684.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE #R684.exe"
      2⤵
        PID:2548
      • C:\Users\Admin\AppData\Local\Temp\INVOICE #R684.exe
        "C:\Users\Admin\AppData\Local\Temp\INVOICE #R684.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:4968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE #R684.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/4240-10-0x00000000052C0000-0x000000000534E000-memory.dmp

      Filesize

      568KB

    • memory/4240-15-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4240-9-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4240-4-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

      Filesize

      40KB

    • memory/4240-5-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4240-6-0x0000000005BE0000-0x0000000005C7C000-memory.dmp

      Filesize

      624KB

    • memory/4240-7-0x0000000008320000-0x000000000833E000-memory.dmp

      Filesize

      120KB

    • memory/4240-8-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/4240-3-0x0000000005910000-0x00000000059A2000-memory.dmp

      Filesize

      584KB

    • memory/4240-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/4240-1-0x0000000000E70000-0x0000000000F3A000-memory.dmp

      Filesize

      808KB

    • memory/4240-2-0x0000000005F80000-0x0000000006524000-memory.dmp

      Filesize

      5.6MB

    • memory/4968-14-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4968-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/4968-16-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4968-17-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4968-18-0x0000000006D00000-0x0000000006EC2000-memory.dmp

      Filesize

      1.8MB

    • memory/4968-19-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

      Filesize

      320KB

    • memory/4968-20-0x0000000007400000-0x000000000792C000-memory.dmp

      Filesize

      5.2MB