Analysis

  • max time kernel
    118s
  • max time network
    190s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-10-2024 15:24

General

  • Target

    Würth factura 4052077636.exe

  • Size

    769KB

  • MD5

    bc78234ae8c44c54649083c30375ec7f

  • SHA1

    f45d85d2774e18062706879bbdcd385d892c9f9f

  • SHA256

    23a0c7ff2552ac978be0814af27520f076b2a94914862db85beb765c62ea350c

  • SHA512

    c218ae21d43fd214924caf348604327a21a8ef267601cd7a292e87f303b814bb3120ab14884fa61931448ba807fb9ccd210f23f2ce85150b5e2302cf1b7ca776

  • SSDEEP

    12288:I5gGipxkwKevTbZ3GH3EJX/dGz6RjhQ6q+gdD3/86DtrmT9cPfRNLiyi7TRdf:5GiwwnvTbw0JVGEq+Y/gcHv+yIdf

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7773291387:AAFW0tyP5tccfsSYvPespY2G7aDGr5DPwdk/sendMessage?chat_id=7981072606

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Würth factura 4052077636.exe
    "C:\Users\Admin\AppData\Local\Temp\Würth factura 4052077636.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Users\Admin\AppData\Local\Temp\Würth factura 4052077636.exe
      "C:\Users\Admin\AppData\Local\Temp\Würth factura 4052077636.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsyE235.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/2436-15-0x00000000036F0000-0x00000000066C1000-memory.dmp

    Filesize

    47.8MB

  • memory/2436-16-0x00000000773B1000-0x00000000774B2000-memory.dmp

    Filesize

    1.0MB

  • memory/2436-17-0x00000000773B0000-0x0000000077559000-memory.dmp

    Filesize

    1.7MB

  • memory/2436-18-0x00000000036F0000-0x00000000066C1000-memory.dmp

    Filesize

    47.8MB

  • memory/2616-19-0x00000000773B0000-0x0000000077559000-memory.dmp

    Filesize

    1.7MB

  • memory/2616-41-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2616-42-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2616-43-0x0000000000480000-0x00000000004C8000-memory.dmp

    Filesize

    288KB