Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 13:35

General

  • Target

    OZEKESSEVEN.20.01.2025.pdf.exe

  • Size

    815KB

  • MD5

    97a247124adb2f06a055989511504ae4

  • SHA1

    2682dcaa02f20fd62daf71d8e93249ab9cab2d05

  • SHA256

    fea0db3026f3e075b240d97b0ff93ac157c8dc69a7d56a32e3595ed261a9ea55

  • SHA512

    106769f08c0bbfb1dad521c9fc87842532235aba8b01893f51832590cf2082ab0c3954f9122880e13c6658ab5ad1f29da259a81223588e401f0828f12fe4691d

  • SSDEEP

    12288:X5y6WhRSUuncKBvu9vM0y/VLj5iyce8rhdyIu+FGLRxdqAdaXwjV:w6NncQu9+DcfhdFQxcA4K

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    kashmirestore.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    c%P+6,(]YFvP

Extracted

Family

vipkeylogger

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 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OZEKESSEVEN.20.01.2025.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\OZEKESSEVEN.20.01.2025.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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\OZEKESSEVEN.20.01.2025.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\apJjif.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\apJjif" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\OZEKESSEVEN.20.01.2025.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\OZEKESSEVEN.20.01.2025.pdf.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:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    23173b4a21db1f274082320aa90efee1

    SHA1

    60015bfc75c0ce716717cf7ab6cc207e9ce4afde

    SHA256

    848ca3716b4d42a6541a4b1a68e34789edafab6fdc74673295d9697072a8192d

    SHA512

    8c0f9708711fe64c9062c09c7adc50a0696fe8adfd1e821792c692d2f8d5b6915c5b93f8bd41068c9ec98d6660b81fc419774ab5542588e0d93e3e7386e4c9d4

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

    Filesize

    7KB

    MD5

    7180aefa83bda333342985f80a2c98d5

    SHA1

    72873ac0e91d211b49f71f7a84f2c79e207e3d52

    SHA256

    55c85b4089c5c18b5ac257633f1537a5695ba43256f7ff81aac492314a30b311

    SHA512

    7b1b1b502203dac01d8025ea799713d2717c89245411692692a4e8c6786c04d054a1644259120916079384f7fbfae4863e0045d1c9474d587bf5c68f3a084cbc

  • memory/2444-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2444-31-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2444-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-6-0x00000000002C0000-0x000000000034E000-memory.dmp

    Filesize

    568KB

  • memory/2444-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-1-0x00000000008E0000-0x00000000009B2000-memory.dmp

    Filesize

    840KB

  • memory/2444-3-0x0000000000730000-0x0000000000756000-memory.dmp

    Filesize

    152KB

  • memory/2752-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2752-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2752-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2752-30-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2752-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2752-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2752-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB