Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-02-2025 07:52

General

  • Target

    250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe

  • Size

    1.1MB

  • MD5

    ebbb79aac4f4b4bcf4aaf9a4770ecac4

  • SHA1

    ba8a196dfb2b1f35251fd1e44ab88c7503f80c90

  • SHA256

    03a1067ea97c62599aed6ca14c23d9310b2fcfd406a97875c730d41b92f4cb38

  • SHA512

    6d5301ef69bf5903e1a29b9805d597ea47cafcf913cab502397be4708e09e991b05810025cd4d47961f2a8e363e81c5a4e895819ffb46ddaa2d44e524636662b

  • SSDEEP

    24576:oqgGL8Y01qoeZgGdYqggpJD3CR7VpI8d:PLLjoeZgipJi7T

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.

  • 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 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe
    "C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4300
    • 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\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JoUvpw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JoUvpw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE34.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4944
    • C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe
      "C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.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:4996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1buo550d.axf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE34.tmp

    Filesize

    1KB

    MD5

    96f1d76c70c271cb94e2b62c85d06511

    SHA1

    e3066f32e9c4ac0c34ba2c70026bc58f97d13acf

    SHA256

    b70d07f6e908b7d57cc8a02d00006781717fbcacd5486201724136e2073b4fa2

    SHA512

    e063a2b3526fe43574c47b8f4d934f8afd98888e484575c08b4d46e0fb176ee9b2357a956275b423fdce05ccd7c40491a72477f71280d586f8537d5f15512215

  • memory/468-26-0x0000000005A80000-0x0000000005AE6000-memory.dmp

    Filesize

    408KB

  • memory/468-64-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/468-49-0x00000000061E0000-0x000000000622C000-memory.dmp

    Filesize

    304KB

  • memory/468-48-0x0000000006130000-0x000000000614E000-memory.dmp

    Filesize

    120KB

  • memory/468-24-0x00000000058C0000-0x00000000058E2000-memory.dmp

    Filesize

    136KB

  • memory/468-25-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/468-20-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/468-18-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/468-19-0x0000000005290000-0x00000000058B8000-memory.dmp

    Filesize

    6.2MB

  • memory/468-16-0x0000000002840000-0x0000000002876000-memory.dmp

    Filesize

    216KB

  • memory/468-17-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/924-72-0x0000000007DE0000-0x0000000007DFA000-memory.dmp

    Filesize

    104KB

  • memory/924-68-0x0000000007D20000-0x0000000007DB6000-memory.dmp

    Filesize

    600KB

  • memory/924-67-0x0000000007B10000-0x0000000007B1A000-memory.dmp

    Filesize

    40KB

  • memory/924-21-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/924-65-0x00000000080F0000-0x000000000876A000-memory.dmp

    Filesize

    6.5MB

  • memory/924-73-0x0000000007DC0000-0x0000000007DC8000-memory.dmp

    Filesize

    32KB

  • memory/924-66-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

    Filesize

    104KB

  • memory/924-50-0x0000000006CF0000-0x0000000006D22000-memory.dmp

    Filesize

    200KB

  • memory/924-23-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/924-76-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/924-62-0x0000000007950000-0x00000000079F3000-memory.dmp

    Filesize

    652KB

  • memory/924-69-0x0000000007CA0000-0x0000000007CB1000-memory.dmp

    Filesize

    68KB

  • memory/924-70-0x0000000007CD0000-0x0000000007CDE000-memory.dmp

    Filesize

    56KB

  • memory/924-71-0x0000000007CE0000-0x0000000007CF4000-memory.dmp

    Filesize

    80KB

  • memory/924-61-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

    Filesize

    120KB

  • memory/924-51-0x0000000071740000-0x000000007178C000-memory.dmp

    Filesize

    304KB

  • memory/4300-11-0x000000000F9C0000-0x000000000FA5C000-memory.dmp

    Filesize

    624KB

  • memory/4300-7-0x0000000004F80000-0x0000000004F9E000-memory.dmp

    Filesize

    120KB

  • memory/4300-1-0x00000000002F0000-0x000000000041C000-memory.dmp

    Filesize

    1.2MB

  • memory/4300-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

    Filesize

    4KB

  • memory/4300-10-0x0000000002640000-0x00000000026CE000-memory.dmp

    Filesize

    568KB

  • memory/4300-9-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-8-0x00000000753BE000-0x00000000753BF000-memory.dmp

    Filesize

    4KB

  • memory/4300-47-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-6-0x0000000004E00000-0x0000000004E0A000-memory.dmp

    Filesize

    40KB

  • memory/4300-5-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-4-0x0000000005020000-0x0000000005374000-memory.dmp

    Filesize

    3.3MB

  • memory/4300-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp

    Filesize

    584KB

  • memory/4300-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

    Filesize

    5.6MB

  • memory/4996-27-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4996-77-0x0000000006CD0000-0x0000000006E92000-memory.dmp

    Filesize

    1.8MB

  • memory/4996-78-0x0000000006B50000-0x0000000006BA0000-memory.dmp

    Filesize

    320KB