Analysis

  • max time kernel
    137s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2025, 11:01

General

  • Target

    malware.exe

  • Size

    659KB

  • MD5

    37d6eb581b7ee935d965b21a56949a37

  • SHA1

    0f66f5e6adfe6a24c1dba303d7eef831bfac62df

  • SHA256

    0003cf72e0eda9f0e4b36d4fdb7017c9d56260f37b8f0e114a9cadb0a57b9ce4

  • SHA512

    877bad1a2dacc5149c9767dd0bffada4460032d2b76eb7ded1de5a7422a74b6aec29d47dbe155d9a39eae7819e23a086fb1474bf0fdb94be5cf518d027a7844c

  • SSDEEP

    12288:jY7kv5NH+x4KbZO0EZImx/dkQXqzr7QfHIapF+xgWfecd0+AjlwXzGTNej3UF+gX:jYo5NHcFy/dkkOXQfoe+LGcVqLAg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    (lqKKXb5

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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\malware.exe
    "C:\Users\Admin\AppData\Local\Temp\malware.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:5472
    • 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\malware.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5272
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lLbTQiluwC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lLbTQiluwC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5980
    • C:\Users\Admin\AppData\Local\Temp\malware.exe
      "C:\Users\Admin\AppData\Local\Temp\malware.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:5788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    4fc581763cc95803a4dacf4e2a520693

    SHA1

    e8947bda47b0b0edf282232f0a0e5d990de369e2

    SHA256

    09a5dc2487bff01535c86857a74adef27ba3d2851208f6177b472f06450c861c

    SHA512

    c27c12391f9305039ff0fa6f6ca2366b475c62de2d2d44c549b0b22fe3e824ccc3f53de15ba320bd8b818c948b0e21c43ca904a338fd314cd37423a5e958ce3e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hopgkw1v.0vg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDA7.tmp

    Filesize

    1KB

    MD5

    c2afbdb7bcb756c9bcc8de8a0abe8c02

    SHA1

    827ac8bcb043406293f3643d3c4ccf0155f020d4

    SHA256

    7c182a829f3ed60eba9614e2367f7ec1666cb15fa14211e5f6fca42aa3ab3078

    SHA512

    5696901e44c9ed24aec34c541ac7c126c72efaa1026f4e21686fa04ec7f0e9b32914c91d31f6f4b55bda200157e7fc2175b06f51834f38fe140da3f94ee5906a

  • memory/2400-19-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-80-0x0000000007690000-0x00000000076A4000-memory.dmp

    Filesize

    80KB

  • memory/2400-88-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-52-0x000000006FE10000-0x000000006FE5C000-memory.dmp

    Filesize

    304KB

  • memory/2400-62-0x0000000007080000-0x000000000709E000-memory.dmp

    Filesize

    120KB

  • memory/2400-82-0x0000000007770000-0x0000000007778000-memory.dmp

    Filesize

    32KB

  • memory/2400-81-0x0000000007790000-0x00000000077AA000-memory.dmp

    Filesize

    104KB

  • memory/2400-23-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-51-0x00000000070A0000-0x00000000070D2000-memory.dmp

    Filesize

    200KB

  • memory/2400-49-0x0000000006140000-0x000000000618C000-memory.dmp

    Filesize

    304KB

  • memory/2400-26-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-47-0x0000000006100000-0x000000000611E000-memory.dmp

    Filesize

    120KB

  • memory/2400-79-0x0000000007680000-0x000000000768E000-memory.dmp

    Filesize

    56KB

  • memory/5272-16-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5272-15-0x0000000002D40000-0x0000000002D76000-memory.dmp

    Filesize

    216KB

  • memory/5272-20-0x0000000005580000-0x00000000055A2000-memory.dmp

    Filesize

    136KB

  • memory/5272-22-0x0000000005790000-0x00000000057F6000-memory.dmp

    Filesize

    408KB

  • memory/5272-41-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5272-78-0x0000000007B60000-0x0000000007B71000-memory.dmp

    Filesize

    68KB

  • memory/5272-77-0x0000000007BE0000-0x0000000007C76000-memory.dmp

    Filesize

    600KB

  • memory/5272-75-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/5272-76-0x00000000079E0000-0x00000000079EA000-memory.dmp

    Filesize

    40KB

  • memory/5272-21-0x0000000005720000-0x0000000005786000-memory.dmp

    Filesize

    408KB

  • memory/5272-24-0x0000000005FC0000-0x0000000006314000-memory.dmp

    Filesize

    3.3MB

  • memory/5272-74-0x0000000007FB0000-0x000000000862A000-memory.dmp

    Filesize

    6.5MB

  • memory/5272-89-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5272-17-0x0000000005810000-0x0000000005E38000-memory.dmp

    Filesize

    6.2MB

  • memory/5272-63-0x000000006FE10000-0x000000006FE5C000-memory.dmp

    Filesize

    304KB

  • memory/5272-18-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5272-73-0x0000000007610000-0x00000000076B3000-memory.dmp

    Filesize

    652KB

  • memory/5472-10-0x0000000009A90000-0x0000000009B2C000-memory.dmp

    Filesize

    624KB

  • memory/5472-4-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5472-0-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/5472-9-0x00000000073F0000-0x000000000747C000-memory.dmp

    Filesize

    560KB

  • memory/5472-8-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5472-7-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/5472-6-0x0000000004D40000-0x0000000004D50000-memory.dmp

    Filesize

    64KB

  • memory/5472-50-0x0000000074950000-0x0000000075100000-memory.dmp

    Filesize

    7.7MB

  • memory/5472-5-0x0000000004B30000-0x0000000004B3A000-memory.dmp

    Filesize

    40KB

  • memory/5472-3-0x0000000004B40000-0x0000000004BD2000-memory.dmp

    Filesize

    584KB

  • memory/5472-2-0x0000000005050000-0x00000000055F4000-memory.dmp

    Filesize

    5.6MB

  • memory/5472-1-0x0000000000090000-0x000000000013A000-memory.dmp

    Filesize

    680KB

  • memory/5788-46-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/5788-90-0x0000000006860000-0x0000000006A22000-memory.dmp

    Filesize

    1.8MB

  • memory/5788-91-0x0000000006700000-0x0000000006750000-memory.dmp

    Filesize

    320KB

  • memory/5788-92-0x0000000007060000-0x000000000758C000-memory.dmp

    Filesize

    5.2MB