Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 03:17

General

  • Target

    548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe

  • Size

    960KB

  • MD5

    cd437678986f11ba11e754bb1153f9a0

  • SHA1

    24fe760f960ce0653d014fa5348decfae1918f13

  • SHA256

    548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108

  • SHA512

    78eb44e2c9b64ecaf87875ce4aff4dc97bc84e4706f56ff263066e138fbaf5cd0cbf4b4eb63deb82413d20bd9eb2b6b3f468d4e7ba127ba640ff5163ba615a1c

  • SSDEEP

    12288:yAgyHUPF5kLOj/+wwFSNS5nc1QB1RXS5g4TdXjFjwQvqZywZfsMl37qYjyndWVrt:hUPQk+wwFS85nc1Qp4gWdpkQEP7oS6w

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe
    "C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1688
    • C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.exe
      "C:\Users\Admin\AppData\Local\Temp\548c158482e4cc2f2b6c931c92f66dc70a0e35c8a8031709249f8634e10e0108N.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:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1728-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/1728-1-0x0000000000810000-0x0000000000906000-memory.dmp

    Filesize

    984KB

  • memory/1728-2-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1728-3-0x00000000007B0000-0x00000000007CE000-memory.dmp

    Filesize

    120KB

  • memory/1728-4-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/1728-5-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1728-6-0x0000000000420000-0x00000000004AA000-memory.dmp

    Filesize

    552KB

  • memory/1728-26-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2976-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-22-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-23-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2976-27-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-28-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB