Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 07:57

General

  • Target

    66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe

  • Size

    804KB

  • MD5

    1e06fff5e6b15158d998c36624fc0651

  • SHA1

    5b7df21c40e5c857054ead9c474135af9cf6ea80

  • SHA256

    66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19

  • SHA512

    48d2cc377d4114b608ce5f3487e3cba903658ba06f1d20d1275eaae30541c688b8189018362723ca060958a00ba3cc8aa09dc2d057ba7815d3eaf26040f0f2f7

  • SSDEEP

    12288:yujqGjJ80170oKQglNs0f0kWsrRu7e4vMp3R7PTdnfJgWPeodburDTnkR:yu1ld0rQglNsfPs2e+y7PBBgtodburq

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 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe
    "C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IyaQJBkaRvQnH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:228
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IyaQJBkaRvQnH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB650.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3112
    • C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe
      "C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.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:3744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txqgaffg.akl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB650.tmp

    Filesize

    1KB

    MD5

    0a7a1dd0267e638955b9afce9f7d93f3

    SHA1

    5909b73d7bae88965bcfaaec74dab3eaab258ccc

    SHA256

    7ac7bef0ce7f01ca31da7f50860c54ecd674e9a5855c238d8e176ec211fbd874

    SHA512

    f9e50ac1d0b19ae0d4f209b2b80ace2d78eb7703a8ebcdce10dc92892979c6c77a18d36a1af3a80bb214763b8d8451cfea502af6f27a74c72a738c9c8f1555b5

  • memory/228-27-0x0000000005620000-0x0000000005974000-memory.dmp

    Filesize

    3.3MB

  • memory/228-55-0x0000000006F70000-0x0000000006F7A000-memory.dmp

    Filesize

    40KB

  • memory/228-64-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/228-61-0x0000000007220000-0x0000000007228000-memory.dmp

    Filesize

    32KB

  • memory/228-60-0x0000000007240000-0x000000000725A000-memory.dmp

    Filesize

    104KB

  • memory/228-59-0x0000000007140000-0x0000000007154000-memory.dmp

    Filesize

    80KB

  • memory/228-58-0x0000000007130000-0x000000000713E000-memory.dmp

    Filesize

    56KB

  • memory/228-57-0x0000000007100000-0x0000000007111000-memory.dmp

    Filesize

    68KB

  • memory/228-56-0x0000000007180000-0x0000000007216000-memory.dmp

    Filesize

    600KB

  • memory/228-15-0x00000000022C0000-0x00000000022F6000-memory.dmp

    Filesize

    216KB

  • memory/228-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/228-17-0x0000000004DF0000-0x0000000005418000-memory.dmp

    Filesize

    6.2MB

  • memory/228-54-0x0000000006F00000-0x0000000006F1A000-memory.dmp

    Filesize

    104KB

  • memory/228-20-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/228-53-0x0000000007550000-0x0000000007BCA000-memory.dmp

    Filesize

    6.5MB

  • memory/228-52-0x0000000006BE0000-0x0000000006C83000-memory.dmp

    Filesize

    652KB

  • memory/228-24-0x0000000004C90000-0x0000000004CF6000-memory.dmp

    Filesize

    408KB

  • memory/228-23-0x0000000004BB0000-0x0000000004C16000-memory.dmp

    Filesize

    408KB

  • memory/228-22-0x0000000004B10000-0x0000000004B32000-memory.dmp

    Filesize

    136KB

  • memory/228-51-0x0000000006180000-0x000000000619E000-memory.dmp

    Filesize

    120KB

  • memory/228-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/228-41-0x0000000071330000-0x000000007137C000-memory.dmp

    Filesize

    304KB

  • memory/228-40-0x0000000006BA0000-0x0000000006BD2000-memory.dmp

    Filesize

    200KB

  • memory/228-38-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

    Filesize

    120KB

  • memory/228-39-0x0000000005C70000-0x0000000005CBC000-memory.dmp

    Filesize

    304KB

  • memory/3744-67-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-66-0x0000000006C40000-0x0000000006C90000-memory.dmp

    Filesize

    320KB

  • memory/3744-65-0x0000000006DB0000-0x0000000006F72000-memory.dmp

    Filesize

    1.8MB

  • memory/3744-25-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3744-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4044-9-0x0000000000B70000-0x0000000000BFC000-memory.dmp

    Filesize

    560KB

  • memory/4044-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

    Filesize

    584KB

  • memory/4044-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/4044-4-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-2-0x00000000051C0000-0x0000000005764000-memory.dmp

    Filesize

    5.6MB

  • memory/4044-7-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/4044-6-0x0000000004FB0000-0x0000000004FCE000-memory.dmp

    Filesize

    120KB

  • memory/4044-5-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

    Filesize

    40KB

  • memory/4044-37-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-8-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-1-0x00000000000F0000-0x00000000001BC000-memory.dmp

    Filesize

    816KB

  • memory/4044-10-0x00000000063C0000-0x000000000645C000-memory.dmp

    Filesize

    624KB