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Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 10:11

General

  • Target

    442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe

  • Size

    1012KB

  • MD5

    55814557bfc6685e517304c4ea52a5c2

  • SHA1

    8a57b789c2a67b2f371b9b30bccf4545f60f6e23

  • SHA256

    442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928

  • SHA512

    80fc102f21aaf304fdb33e3eb3e4318541f3e70c14b8a95a2455284d0f294522ad888178556d785cf2e28a622a11c1921add64087a309b8a6dc551bde505b1cd

  • SSDEEP

    12288:RKWutRvP9f55k285170PlvGpv4B5UemwOKCNyx5ZMDooZp6nHB3Ld6ettCFoEc9W:RK7RHX5xiKvGdgWZ2sZEx6eckhS

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.

  • 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 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.

  • 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).

  • 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 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe
    "C:\Users\Admin\AppData\Local\Temp\442e91cc6ce49f245c3580c3b1b073466c83ea954239c0440ea5704796356928.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\heCLzWogkeJIUS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\heCLzWogkeJIUS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp995D.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3948
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kidujzfo.odp.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp995D.tmp

    Filesize

    1KB

    MD5

    a53d7ba7896efbfc22f4ceb9360c4a5a

    SHA1

    663d63916f2ed4f58e9defb700c3fe520b6b22c6

    SHA256

    10af28c80527f009f365e1a26c66544dd8399604119148771b5f42c97cf173d0

    SHA512

    803b405fdb36c04708a71c7190f49ee27019f2dfbe79580c3ad720733ab3957ef5890884f7d02ad9893af7739ec5dfef07d6ae6811e41da99a10d6407621f052

  • memory/940-8-0x000000001CDC0000-0x000000001CE48000-memory.dmp

    Filesize

    544KB

  • memory/940-1-0x0000000000130000-0x0000000000230000-memory.dmp

    Filesize

    1024KB

  • memory/940-4-0x00007FFCC8C53000-0x00007FFCC8C55000-memory.dmp

    Filesize

    8KB

  • memory/940-5-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

    Filesize

    10.8MB

  • memory/940-6-0x0000000001230000-0x0000000001246000-memory.dmp

    Filesize

    88KB

  • memory/940-7-0x0000000000D30000-0x0000000000D44000-memory.dmp

    Filesize

    80KB

  • memory/940-0-0x00007FFCC8C53000-0x00007FFCC8C55000-memory.dmp

    Filesize

    8KB

  • memory/940-2-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

    Filesize

    10.8MB

  • memory/940-3-0x0000000001190000-0x00000000011B4000-memory.dmp

    Filesize

    144KB

  • memory/940-17-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

    Filesize

    10.8MB

  • memory/1496-14-0x0000000140000000-0x0000000140046000-memory.dmp

    Filesize

    280KB

  • memory/1496-32-0x000001FAE0FB0000-0x000001FAE1172000-memory.dmp

    Filesize

    1.8MB

  • memory/1496-33-0x000001FAE0AF0000-0x000001FAE0B40000-memory.dmp

    Filesize

    320KB

  • memory/3052-16-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

    Filesize

    10.8MB

  • memory/3052-18-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

    Filesize

    10.8MB

  • memory/3052-25-0x0000022C6FD90000-0x0000022C6FDB2000-memory.dmp

    Filesize

    136KB

  • memory/3052-31-0x00007FFCC8C50000-0x00007FFCC9711000-memory.dmp

    Filesize

    10.8MB