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Analysis

  • max time kernel
    119s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:08

General

  • Target

    19ec0ef7b7ce9c5d9d5a2c9ee955a5c4.exe

  • Size

    692KB

  • MD5

    19ec0ef7b7ce9c5d9d5a2c9ee955a5c4

  • SHA1

    bbd3e289f570cd50d76f9df0179d3febb4d97664

  • SHA256

    a9a87510d6ea1ba4e8ac3d7fe1fc5099a356b6d99fe729d384cbf2b665a653a5

  • SHA512

    a50c1bb6fa61e714c2087f1f840000cf80f60b18667d64d3f7537caa9aaef10f533c3b64786cd4df451d2ef9b5ea175ecd33281909496e3d33e31adde479323c

  • SSDEEP

    12288:BiSXA/qAJFACu0/MB3IXE8Hqmxs3+1umRdHJtMTHAVqaKHenI4PY:BxXWb/E3IXE8KWstmRNHXgHenlA

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 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 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\19ec0ef7b7ce9c5d9d5a2c9ee955a5c4.exe
    "C:\Users\Admin\AppData\Local\Temp\19ec0ef7b7ce9c5d9d5a2c9ee955a5c4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • 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\19ec0ef7b7ce9c5d9d5a2c9ee955a5c4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LbXyTV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LbXyTV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp15B2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\19ec0ef7b7ce9c5d9d5a2c9ee955a5c4.exe
      "C:\Users\Admin\AppData\Local\Temp\19ec0ef7b7ce9c5d9d5a2c9ee955a5c4.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:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp15B2.tmp

    Filesize

    1KB

    MD5

    466b40fe54d1ea6c03f569d5bb3607e2

    SHA1

    1699e64c15e44b536752d2bd40799ffffbea167c

    SHA256

    d6e49379d1626cb5811940cfb7b29b40cc313c6986b80388ed603db300ac4dc2

    SHA512

    6566bff61ee5c8c730372e65fc2dd7088d94ddd5c5a796adfb2efcde2052585da18693b55173c58cadfb7a800baed853760f82c5b3a97fd3338634e5ff5dda6a

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

    Filesize

    7KB

    MD5

    de4be458c2cfefc6beee3c56062c6183

    SHA1

    fe3886cda20167b5d7bf95fa9b378365217c1d66

    SHA256

    39a329d4ae9ffd316b6fa338127d7d727bb17cf30e0cc0178f322b2933cbf7d1

    SHA512

    7d9ea9a7a0df15d72be8d378a8546a6d43a56bdc319754746060f404a1f14712b82a0498e95b9684111db313c9f7e7a53a3e496afbed65a866ca6b8071d1b8c9

  • memory/2452-4-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/2452-31-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2452-3-0x0000000000B30000-0x0000000000B40000-memory.dmp

    Filesize

    64KB

  • memory/2452-5-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2452-6-0x0000000004680000-0x000000000470E000-memory.dmp

    Filesize

    568KB

  • memory/2452-1-0x0000000000B40000-0x0000000000BF2000-memory.dmp

    Filesize

    712KB

  • memory/2452-2-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2452-0-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/2604-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2604-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB