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Analysis

  • max time kernel
    117s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2025, 20:44

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

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 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 use of WriteProcessMemory
    PID:1796
    • 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:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1796-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

    Filesize

    4KB

  • memory/1796-1-0x0000000000F60000-0x000000000102A000-memory.dmp

    Filesize

    808KB

  • memory/1796-2-0x0000000074D60000-0x000000007544E000-memory.dmp

    Filesize

    6.9MB

  • memory/1796-3-0x00000000006A0000-0x00000000006BE000-memory.dmp

    Filesize

    120KB

  • memory/1796-4-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

    Filesize

    4KB

  • memory/1796-5-0x0000000074D60000-0x000000007544E000-memory.dmp

    Filesize

    6.9MB

  • memory/1796-6-0x00000000003E0000-0x000000000046E000-memory.dmp

    Filesize

    568KB

  • memory/1796-24-0x0000000074D60000-0x000000007544E000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-13-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-17-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2500-23-0x0000000074D60000-0x000000007544E000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-22-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-7-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2500-25-0x0000000074D60000-0x000000007544E000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-26-0x0000000074D60000-0x000000007544E000-memory.dmp

    Filesize

    6.9MB