Analysis

  • max time kernel
    146s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 17:09

General

  • Target

    Wurth Invoice 4052616348.exe

  • Size

    681KB

  • MD5

    0270d9f65bf63999240fafabbea1bcab

  • SHA1

    9eda8853ea74470d59d953329341750cc420b161

  • SHA256

    b0fceff0ca55741de03d3c37d66b518e2edc3f31a75c8acea4d857397d11740f

  • SHA512

    bb2cb037c248c422bbfb838d13cdf6b8078949dbe508e58a4d1464fcef2efadffe1f7aba6e30df5b07f1c1ac121bdc3f25bbaee196fe6e351c44edf28db7becc

  • SSDEEP

    12288:fTkuHDdu5QpUjsXnkKJuSAgwCKousQKnsk2axTsv:fTRoaUj+USHToqxTsv

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.

  • Vipkeylogger family
  • Loads dropped DLL 1 IoCs
  • 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
  • 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 Windows directory 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 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wurth Invoice 4052616348.exe
    "C:\Users\Admin\AppData\Local\Temp\Wurth Invoice 4052616348.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Users\Admin\AppData\Local\Temp\Wurth Invoice 4052616348.exe
      "C:\Users\Admin\AppData\Local\Temp\Wurth Invoice 4052616348.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsp84B2.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/212-9-0x0000000077881000-0x00000000779A1000-memory.dmp

    Filesize

    1.1MB

  • memory/212-11-0x00000000746E4000-0x00000000746E5000-memory.dmp

    Filesize

    4KB

  • memory/212-10-0x0000000077881000-0x00000000779A1000-memory.dmp

    Filesize

    1.1MB

  • memory/3008-12-0x0000000077881000-0x00000000779A1000-memory.dmp

    Filesize

    1.1MB

  • memory/3008-13-0x0000000077908000-0x0000000077909000-memory.dmp

    Filesize

    4KB

  • memory/3008-14-0x0000000077925000-0x0000000077926000-memory.dmp

    Filesize

    4KB

  • memory/3008-18-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3008-19-0x0000000077881000-0x00000000779A1000-memory.dmp

    Filesize

    1.1MB

  • memory/3008-30-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3008-31-0x000000007277E000-0x000000007277F000-memory.dmp

    Filesize

    4KB

  • memory/3008-32-0x0000000000480000-0x00000000004C8000-memory.dmp

    Filesize

    288KB

  • memory/3008-33-0x00000000389C0000-0x0000000038F64000-memory.dmp

    Filesize

    5.6MB

  • memory/3008-34-0x0000000038F70000-0x000000003900C000-memory.dmp

    Filesize

    624KB

  • memory/3008-35-0x0000000072770000-0x0000000072F20000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-37-0x000000007277E000-0x000000007277F000-memory.dmp

    Filesize

    4KB

  • memory/3008-38-0x0000000039550000-0x0000000039712000-memory.dmp

    Filesize

    1.8MB

  • memory/3008-39-0x0000000039730000-0x0000000039780000-memory.dmp

    Filesize

    320KB

  • memory/3008-40-0x0000000072770000-0x0000000072F20000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-42-0x00000000363B0000-0x0000000036442000-memory.dmp

    Filesize

    584KB

  • memory/3008-43-0x0000000036460000-0x000000003646A000-memory.dmp

    Filesize

    40KB