Analysis

  • max time kernel
    91s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 10:51

General

  • Target

    RFQ.exe

  • Size

    757KB

  • MD5

    fbe6bc03a03310d3cb73b56f26c450c4

  • SHA1

    daef2bf82d629458f58ef53c2faf93970c27644e

  • SHA256

    1ffdb5b3f3b764b20dfc66d3c70d80d25a75b3707f42cce07b032398bce7b195

  • SHA512

    55972ac403bb20d4ff8f4da07c62c0172260f3e73889b4e5069ad999920409f30c7cbca95bb953ed0d10fe0af38555b816322bcfcea79fc75ea123b0471e5ad1

  • SSDEEP

    12288:HNit1Ay2Lr/xR65Qxh1D5N1IyXHu1/NeKtmtpqgqc5kp2PLitx+xRkR:At1yQUJW2OPbnlYLQx+xM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    foxwagon-equipment.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SVBd8Gv^}!B1

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 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\RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.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:5012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQmHXV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQmHXV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9749.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3440
    • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ.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:640
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4056,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=1044 /prefetch:8
    1⤵
      PID:3936

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ff3rqjrz.xg3.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9749.tmp

      Filesize

      1KB

      MD5

      67bd8b64b2d1a1278d7f80dd98f8c693

      SHA1

      483c5aa2519f7910156d5e53dba15ea91d47e450

      SHA256

      1a3e458be72ec7da6439c8ea5bb1b3acbe6b7c6665829c658fd3df6df37c2c12

      SHA512

      72b44a967342659b04e0afd205b272ed80b6a24c178b67ba0e32295b83181e8017ef28eeac450b65a417ece15414819763c39fb5886222e33b2506af9ac68050

    • memory/640-68-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/640-67-0x0000000006C60000-0x000000000718C000-memory.dmp

      Filesize

      5.2MB

    • memory/640-66-0x00000000063E0000-0x0000000006430000-memory.dmp

      Filesize

      320KB

    • memory/640-65-0x0000000006560000-0x0000000006722000-memory.dmp

      Filesize

      1.8MB

    • memory/640-26-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/640-19-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/4440-15-0x0000000004E10000-0x0000000004E46000-memory.dmp

      Filesize

      216KB

    • memory/4440-39-0x00000000063F0000-0x000000000643C000-memory.dmp

      Filesize

      304KB

    • memory/4440-64-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-16-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-17-0x00000000054E0000-0x0000000005B08000-memory.dmp

      Filesize

      6.2MB

    • memory/4440-61-0x0000000007A00000-0x0000000007A08000-memory.dmp

      Filesize

      32KB

    • memory/4440-60-0x0000000007A20000-0x0000000007A3A000-memory.dmp

      Filesize

      104KB

    • memory/4440-20-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-21-0x00000000052E0000-0x0000000005302000-memory.dmp

      Filesize

      136KB

    • memory/4440-22-0x0000000005400000-0x0000000005466000-memory.dmp

      Filesize

      408KB

    • memory/4440-25-0x0000000005B80000-0x0000000005BE6000-memory.dmp

      Filesize

      408KB

    • memory/4440-59-0x0000000007920000-0x0000000007934000-memory.dmp

      Filesize

      80KB

    • memory/4440-58-0x0000000007910000-0x000000000791E000-memory.dmp

      Filesize

      56KB

    • memory/4440-57-0x00000000078E0000-0x00000000078F1000-memory.dmp

      Filesize

      68KB

    • memory/4440-33-0x0000000005DF0000-0x0000000006144000-memory.dmp

      Filesize

      3.3MB

    • memory/4440-56-0x0000000007960000-0x00000000079F6000-memory.dmp

      Filesize

      600KB

    • memory/4440-38-0x00000000063C0000-0x00000000063DE000-memory.dmp

      Filesize

      120KB

    • memory/4440-55-0x0000000007750000-0x000000000775A000-memory.dmp

      Filesize

      40KB

    • memory/4440-40-0x0000000006980000-0x00000000069B2000-memory.dmp

      Filesize

      200KB

    • memory/4440-41-0x0000000070160000-0x00000000701AC000-memory.dmp

      Filesize

      304KB

    • memory/4440-51-0x0000000007590000-0x00000000075AE000-memory.dmp

      Filesize

      120KB

    • memory/4440-52-0x00000000075B0000-0x0000000007653000-memory.dmp

      Filesize

      652KB

    • memory/4440-53-0x0000000007D30000-0x00000000083AA000-memory.dmp

      Filesize

      6.5MB

    • memory/4440-54-0x00000000076E0000-0x00000000076FA000-memory.dmp

      Filesize

      104KB

    • memory/5012-10-0x000000000B5F0000-0x000000000B68C000-memory.dmp

      Filesize

      624KB

    • memory/5012-5-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5012-6-0x0000000005820000-0x000000000583E000-memory.dmp

      Filesize

      120KB

    • memory/5012-7-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/5012-27-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5012-8-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/5012-9-0x0000000002BC0000-0x0000000002C4C000-memory.dmp

      Filesize

      560KB

    • memory/5012-0-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/5012-4-0x00000000052D0000-0x00000000052DA000-memory.dmp

      Filesize

      40KB

    • memory/5012-3-0x0000000005330000-0x00000000053C2000-memory.dmp

      Filesize

      584KB

    • memory/5012-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

      Filesize

      5.6MB

    • memory/5012-1-0x0000000000810000-0x00000000008D0000-memory.dmp

      Filesize

      768KB