Analysis

  • max time kernel
    60s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 03:31

General

  • Target

    d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe

  • Size

    781KB

  • MD5

    77b41bd5ad40ca65a9b807ad7f56578c

  • SHA1

    bb0a8b1013ce05aa8a8fc3881bcb2a31e3ecc2bb

  • SHA256

    d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049

  • SHA512

    323321ee89f2671455cd7bfe85dc6198032293f70b1649562f7fb6f165715a1fdb5a351d7b0b9195f50cc113191dff7a00847b11fbcc27cf59bd510266da9e45

  • SSDEEP

    24576:dTgIeeHprA7IEylv5iawyIXPABCdWeSi4daI:WBeJryynOyFcWHvda

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 2 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 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe
    "C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • 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\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZuPqFXfyrxB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZuPqFXfyrxB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE35D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2812
    • C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe
      "C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.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:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE35D.tmp

    Filesize

    1KB

    MD5

    c38e36db6903ba60e8052624d5001f4b

    SHA1

    a5dfe0777ee406a533c20b6c16a3155c95c54891

    SHA256

    29c2f49021afc8a96e5d8b61be79b444066b336e6df7f3d0f77e875ec0fb24ca

    SHA512

    35502d16f1b58fceb4ed96c60ea7f5f4b3b034bdd5345bcf6e4be40d469f3c43a2549cf099b7a1ecbe7d1ce1fa5e7d0ecf8555f0d425f27e6d4dd8314def9d46

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    d323fca516f2e0b34e8b3ef536eeed4f

    SHA1

    eae0a53ff0398fca6a7c7453ac1050548a468aad

    SHA256

    4001c5b04ea30945d06b6b8e4633111e63073f3cdefbfb632becf2402ef27bc4

    SHA512

    5aea49b7092433b0f516d3daa7c2205472f06d5a7e3be8a47144d9c83d2a3e1a1bef4865d061314cd5deb035f86b7e9909eda51bc0ffe019533f0c2d39b29699

  • memory/1656-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/1656-31-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/1656-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-6-0x00000000049A0000-0x0000000004A2E000-memory.dmp

    Filesize

    568KB

  • memory/1656-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-1-0x00000000008D0000-0x000000000099A000-memory.dmp

    Filesize

    808KB

  • memory/1656-3-0x0000000000470000-0x0000000000488000-memory.dmp

    Filesize

    96KB

  • memory/2648-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2648-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2648-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2648-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2648-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2648-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2648-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2648-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB