Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 05:21

General

  • Target

    Conchoids12.exe

  • Size

    548KB

  • MD5

    59200787f2077fc98f9294ff5689c2c2

  • SHA1

    23138122229e03128b08ec086061d88d161f6e0c

  • SHA256

    368ea2fe8a9826ec9931cd21979213a0444cdbe7cf3f6bcadf1a0373822c510c

  • SHA512

    2d0b2e16e3ef8fe8a2cfb6ba16265d8fac6b13221cdb1a263d74f688d2efd65c7e9569901762f97df57e6ab8b4f2df8f50c54203762c08639fe1d307122d8691

  • SSDEEP

    12288:32EIGrEDwVYX4HG3MlF50Fe6a2KDZ5Qq/Tmd3ZhZk:3wGrgyGe50m2K95QqrmdPZk

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8124032214:AAHsMb8ZSRX6oiufFz1tRalXrmGjYujuzB4/sendMessage?chat_id=6198188190

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
  • Adds Run key to start application 2 TTPs 1 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\Conchoids12.exe
    "C:\Users\Admin\AppData\Local\Temp\Conchoids12.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:4548
    • C:\Users\Admin\AppData\Local\Temp\Conchoids12.exe
      "C:\Users\Admin\AppData\Local\Temp\Conchoids12.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • 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:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsyC15D.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/4548-8-0x0000000077011000-0x0000000077131000-memory.dmp

    Filesize

    1.1MB

  • memory/4548-9-0x0000000077011000-0x0000000077131000-memory.dmp

    Filesize

    1.1MB

  • memory/4548-10-0x0000000073D04000-0x0000000073D05000-memory.dmp

    Filesize

    4KB

  • memory/5048-11-0x0000000077098000-0x0000000077099000-memory.dmp

    Filesize

    4KB

  • memory/5048-12-0x0000000077011000-0x0000000077131000-memory.dmp

    Filesize

    1.1MB

  • memory/5048-14-0x00000000007E0000-0x0000000001A34000-memory.dmp

    Filesize

    18.3MB

  • memory/5048-15-0x00000000007E0000-0x0000000001A34000-memory.dmp

    Filesize

    18.3MB

  • memory/5048-16-0x000000007210E000-0x000000007210F000-memory.dmp

    Filesize

    4KB

  • memory/5048-17-0x00000000007E0000-0x000000000082A000-memory.dmp

    Filesize

    296KB

  • memory/5048-18-0x0000000037530000-0x0000000037AD4000-memory.dmp

    Filesize

    5.6MB

  • memory/5048-19-0x0000000037B20000-0x0000000037BBC000-memory.dmp

    Filesize

    624KB

  • memory/5048-20-0x0000000072100000-0x00000000728B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-21-0x00000000383B0000-0x0000000038572000-memory.dmp

    Filesize

    1.8MB

  • memory/5048-22-0x00000000385A0000-0x00000000385F0000-memory.dmp

    Filesize

    320KB

  • memory/5048-23-0x0000000038680000-0x0000000038BAC000-memory.dmp

    Filesize

    5.2MB

  • memory/5048-25-0x000000007210E000-0x000000007210F000-memory.dmp

    Filesize

    4KB

  • memory/5048-26-0x0000000072100000-0x00000000728B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-29-0x0000000038C00000-0x0000000038C92000-memory.dmp

    Filesize

    584KB

  • memory/5048-30-0x0000000038CF0000-0x0000000038CFA000-memory.dmp

    Filesize

    40KB