Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2024, 12:11

General

  • Target

    d564c0d5c61048ede10a2c00e8fe559efae4e59d08b89c28045e6a6b57d1382cN.exe

  • Size

    746KB

  • MD5

    d01e55040a9c8369f14cf533fa2f09e0

  • SHA1

    eae783cefd2029e2953b268ba10fa6749cf74ed2

  • SHA256

    d564c0d5c61048ede10a2c00e8fe559efae4e59d08b89c28045e6a6b57d1382c

  • SHA512

    5a3cadb777a824197825221d9ca43f0e798843e7a192bad3611f57ce39592e6e49240d3d6fc3e1edcba00be8a448d69fab2378559cdc525b27882b74e1823665

  • SSDEEP

    12288:HAkhMOoltiJgoGWLfubZsRdZX3STwNob2cDFJLKlLqntH1yAWisXpPY9Zkr7kR:HAkh5oDiJcmOsfZHob2cDmsnVxW5pUZT

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7765490009:AAEKBTVCW4coSmqPn0gFaSfjvx0yrnKBJKU/sendMessage?chat_id=6155920142

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 4 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d564c0d5c61048ede10a2c00e8fe559efae4e59d08b89c28045e6a6b57d1382cN.exe
    "C:\Users\Admin\AppData\Local\Temp\d564c0d5c61048ede10a2c00e8fe559efae4e59d08b89c28045e6a6b57d1382cN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tdyfYQEYsF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tdyfYQEYsF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9FD8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2576
    • C:\Users\Admin\AppData\Local\Temp\d564c0d5c61048ede10a2c00e8fe559efae4e59d08b89c28045e6a6b57d1382cN.exe
      "C:\Users\Admin\AppData\Local\Temp\d564c0d5c61048ede10a2c00e8fe559efae4e59d08b89c28045e6a6b57d1382cN.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:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9FD8.tmp

    Filesize

    1KB

    MD5

    a7b23c0cfc8a1fcea97582ecb175458f

    SHA1

    f44edd9a6bd3165832f0403be4ae4e40d548b303

    SHA256

    c6e102b6ab3789c53fcbb99aed25edc40cdd145ad380797353a8a0d06860abc8

    SHA512

    caeef5c8e4ccaa8433f679c0ad9b19140096b5b4b5d0f8cb5ef5dc1e246609b352db644d831cc860572c1c4c0a7827d79a1db97f3a107e108d8841caba7eb9b6

  • memory/2756-26-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-1-0x0000000000870000-0x000000000092E000-memory.dmp

    Filesize

    760KB

  • memory/2756-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-3-0x0000000001DA0000-0x0000000001DBC000-memory.dmp

    Filesize

    112KB

  • memory/2756-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/2756-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-6-0x0000000005220000-0x00000000052AC000-memory.dmp

    Filesize

    560KB

  • memory/2756-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3068-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3068-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3068-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3068-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3068-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3068-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3068-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3068-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB