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Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/09/2024, 07:12

General

  • Target

    050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51.exe

  • Size

    766KB

  • MD5

    b4802f261224f8520d3e4163cf6b130c

  • SHA1

    3777ead2b4fb46341968a3282879c2f76bff79e5

  • SHA256

    050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51

  • SHA512

    82cd1b4a9cef4d0ec25cfe54c8f85d39aeaa05803b5f265b7f83221ba4886c8c63941c6c254489631ec48b1ee701118021ebc84821b6b954d195ce62714b833b

  • SSDEEP

    12288:kqDAgBcvRYW5OKhkTcJScvRMOmR237PXFXy70wjPR0qjpkR:kq3Bc2W5OYJRbmRoz16JRg

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7225408063:AAEgGgg3GKLOlD5GJRf4Ls9TO1C7A1S8af8/sendMessage?chat_id=6089330336

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51.exe
    "C:\Users\Admin\AppData\Local\Temp\050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2844
    • 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\050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vCLadntPJwTI.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vCLadntPJwTI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE28.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2660
    • C:\Users\Admin\AppData\Local\Temp\050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51.exe
      "C:\Users\Admin\AppData\Local\Temp\050df8bfd189bd7a1afd68570e091e8a72e3e4b98ad8ac232df0743e7c057f51.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCE28.tmp

    Filesize

    1KB

    MD5

    5c8b2616c37831c9f142def7ddb88681

    SHA1

    740a2ff1c38ee2fb9f3b059ae3e352ae7ee0ddd5

    SHA256

    3457247bf8dd807428562f7b06d94c273f14c4dbe06d2eecfef2509868ffc6a0

    SHA512

    86d2eeaa9eaf44f48c0b15ab506f94bf57db6b9b919e795f623409eee594459dfc1faa5220ad0b2dec4a4c88a7b2c4044fa98c552570d616ead5e5d582ae09c9

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

    Filesize

    7KB

    MD5

    bf3adf43329dd9372cb9058ff1cae3b3

    SHA1

    3602d51be1af82a7ae433e4fcd8c2c4db40dbed6

    SHA256

    9c4714e01d8c3331fb4da70b8b7041a78b8f5bebb155de0f8dc7bef4ba25ae36

    SHA512

    2c0bd058aa82620d8f6a70423dfad1710a54342915eb91a4bc46bccbe495da68f39c349e4c0a4a8fcf4f19a312757e5ba6716f46aad9fcee73de3e4b51293fa5

  • memory/580-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/580-30-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/580-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/580-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/580-22-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/580-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/580-27-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/580-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2844-6-0x0000000004E90000-0x0000000004F1C000-memory.dmp

    Filesize

    560KB

  • memory/2844-2-0x0000000074100000-0x00000000747EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-3-0x0000000000A60000-0x0000000000A78000-memory.dmp

    Filesize

    96KB

  • memory/2844-1-0x0000000000A90000-0x0000000000B52000-memory.dmp

    Filesize

    776KB

  • memory/2844-0-0x000000007410E000-0x000000007410F000-memory.dmp

    Filesize

    4KB

  • memory/2844-5-0x0000000074100000-0x00000000747EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-4-0x000000007410E000-0x000000007410F000-memory.dmp

    Filesize

    4KB

  • memory/2844-31-0x0000000074100000-0x00000000747EE000-memory.dmp

    Filesize

    6.9MB