Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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 02:09

General

  • Target

    0cf14ff76c5d927ad6de94e8d632592a776adb36c733680fcf6385a5d1fed069.exe

  • Size

    685KB

  • MD5

    2494d7b2fd14dc5604fd6aa412f170fc

  • SHA1

    dc2b1e324c49c9f0fa446211ed24841c48371ef0

  • SHA256

    0cf14ff76c5d927ad6de94e8d632592a776adb36c733680fcf6385a5d1fed069

  • SHA512

    93543406973f6243703fa508a16c37166fc25227755eb97b62556a2d5370cd9b22bf21f0cb7c825b3d2fc4c727f623fa0fe586c0e653c3f9a48ef9a83dea6d90

  • SSDEEP

    12288:fTkuHDdugNuvuAE69ciyBfwKvpsQKnsk2axTsy:fTRogNATSNJvqxTsy

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7807279596:AAEZM1QwkCh738-y0Qmnc3ubaoLMl6bUCVw/sendMessage?chat_id=7267131103

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\0cf14ff76c5d927ad6de94e8d632592a776adb36c733680fcf6385a5d1fed069.exe
    "C:\Users\Admin\AppData\Local\Temp\0cf14ff76c5d927ad6de94e8d632592a776adb36c733680fcf6385a5d1fed069.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:3648
    • C:\Users\Admin\AppData\Local\Temp\0cf14ff76c5d927ad6de94e8d632592a776adb36c733680fcf6385a5d1fed069.exe
      "C:\Users\Admin\AppData\Local\Temp\0cf14ff76c5d927ad6de94e8d632592a776adb36c733680fcf6385a5d1fed069.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:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsk7967.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/2632-30-0x0000000000480000-0x00000000004C8000-memory.dmp

    Filesize

    288KB

  • memory/2632-41-0x00000000392B0000-0x00000000392BA000-memory.dmp

    Filesize

    40KB

  • memory/2632-29-0x0000000071FDE000-0x0000000071FDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-12-0x0000000077168000-0x0000000077169000-memory.dmp

    Filesize

    4KB

  • memory/2632-13-0x0000000077185000-0x0000000077186000-memory.dmp

    Filesize

    4KB

  • memory/2632-26-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/2632-28-0x00000000770E1000-0x0000000077201000-memory.dmp

    Filesize

    1.1MB

  • memory/2632-27-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/2632-11-0x00000000770E1000-0x0000000077201000-memory.dmp

    Filesize

    1.1MB

  • memory/2632-40-0x00000000391E0000-0x0000000039272000-memory.dmp

    Filesize

    584KB

  • memory/2632-32-0x00000000383E0000-0x000000003847C000-memory.dmp

    Filesize

    624KB

  • memory/2632-31-0x00000000385C0000-0x0000000038B64000-memory.dmp

    Filesize

    5.6MB

  • memory/2632-33-0x0000000071FD0000-0x0000000072780000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-35-0x0000000071FDE000-0x0000000071FDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-36-0x0000000071FD0000-0x0000000072780000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-37-0x0000000038F30000-0x00000000390F2000-memory.dmp

    Filesize

    1.8MB

  • memory/2632-38-0x0000000039100000-0x0000000039150000-memory.dmp

    Filesize

    320KB

  • memory/3648-10-0x0000000073F44000-0x0000000073F45000-memory.dmp

    Filesize

    4KB

  • memory/3648-9-0x00000000770E1000-0x0000000077201000-memory.dmp

    Filesize

    1.1MB