Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2024 01:14

General

  • Target

    fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f.exe

  • Size

    733KB

  • MD5

    4f2f75603b3e569aa58e271df79065a0

  • SHA1

    72c2abd8b2fedb3a63ec239bf34d6ed722dbd8b3

  • SHA256

    fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f

  • SHA512

    e32b9b4c75fb120c7111aa362e5d89e53ddfe2a0e427b9c7dc6afd1a9ef05274cceb73dfe668828a7aad071935fbb7b32a45709be6bec79a61f3275e5884764c

  • SSDEEP

    12288:MDkhMOoltiJleHU6o8lRK4Eh3tkZPejDMSurQrks8ZtaENCA6RbBUwuOB:MDkh5oDiJle0D3tkwjAXBs8Z0SGRaw

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.

  • 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\fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2920
    • 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\fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\koNbfQXa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\koNbfQXa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BE1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2156
    • C:\Users\Admin\AppData\Local\Temp\fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f.exe
      "C:\Users\Admin\AppData\Local\Temp\fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f.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:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2BE1.tmp

    Filesize

    1KB

    MD5

    4f608366652011a8c14444fa61a74a9a

    SHA1

    c40c6e877f40bf4d05588f46a5ac4c3fdbb903f2

    SHA256

    6d28dc4625a3923dfaaf8ce98aa583cac5d17504c87b01428afada974671f17e

    SHA512

    ec262d48df82361a00d041e9040c94af03644341d13a1530450f7b1b85f31702cf5978f701d59e8e630f6bf37e9ad453f88f01e3c0180cb093e0f6bf73edefb9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ED57OXAXR1T4ZWOL4ZNI.temp

    Filesize

    7KB

    MD5

    862a9fa83f901307829e4d687347ebdb

    SHA1

    fbc80eca49c6eef7d0679b36571ef6d957f6fee3

    SHA256

    8fb42916e2b67f07d97f5063f9cecac97ae3e88916874c7229c43c02680c27cd

    SHA512

    df6b3f0513a5aad7784cccd1397d39b45f44c9a1dd9945eddc9447075edd289d9a37f3f774e605d6116eb5408eafb4300e83fdf5edf24861a031b59367ca4014

  • memory/2456-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2456-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-6-0x00000000053E0000-0x000000000546C000-memory.dmp

    Filesize

    560KB

  • memory/2920-1-0x0000000000E70000-0x0000000000F2E000-memory.dmp

    Filesize

    760KB

  • memory/2920-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/2920-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-3-0x00000000002A0000-0x00000000002BC000-memory.dmp

    Filesize

    112KB

  • memory/2920-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-4-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/2920-32-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB