Analysis

  • max time kernel
    137s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 01:56

General

  • Target

    a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe

  • Size

    822KB

  • MD5

    5783a1fa182d62eb3838a2e3954a1f36

  • SHA1

    eec476fcc102b50390cf983725dbffaee693200e

  • SHA256

    a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1

  • SHA512

    31d8cd0fa9f08b7ada602fdd4877c246e892f1d18fdee0cc3e49ac7f293d3b41857009c3a3b97fa14737bdcfa786ed2cdb88b4d5e6383d5f83eda69e5bd4f7d8

  • SSDEEP

    12288:XMf55k2851eTl3GpqJTWwK6WP/FlTW/Md3SlpAVF/8CxeYm8ba/DONRoT9H:Xy5xR5VKBXvTUOlNm8bkDD

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 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 2 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).

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 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\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe
    "C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3692
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xdOaJTzpabdo.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4576
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xdOaJTzpabdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1860
    • C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe
      C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    a43e653ffb5ab07940f4bdd9cc8fade4

    SHA1

    af43d04e3427f111b22dc891c5c7ee8a10ac4123

    SHA256

    c4c53abb13e99475aebfbe9fec7a8fead81c14c80d9dcc2b81375304f3a683fe

    SHA512

    62a97e95e1f19a8d4302847110dae44f469877eed6aa8ea22345c6eb25ee220e7d310fa0b7ec5df42356815421c0af7c46a0f1fee8933cc446641800eda6cd1b

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

    Filesize

    944B

    MD5

    6d3e9c29fe44e90aae6ed30ccf799ca8

    SHA1

    c7974ef72264bbdf13a2793ccf1aed11bc565dce

    SHA256

    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

    SHA512

    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tjsr5oaz.aht.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp

    Filesize

    1KB

    MD5

    7ab50fa5ecc7c1b2c57a2a47b37f3eb1

    SHA1

    ce19aea4f97ab3982d4291f7a77678e1b7b00525

    SHA256

    ed82520e6ebf6028c88aed2fb6c0b7e3dbc610c928d2b4dd5a7bf4ad67394009

    SHA512

    8ce2ebcb1b0d1d5124ebebef6cc0e2f884b60a8964b0b4cb9985353921b16426ce370e67d08fe7dcfcac75ce05e7c6d096625d9ab7b14a22b84c9242c3fe022c

  • memory/1612-5-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB

  • memory/1612-2-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB

  • memory/1612-6-0x00000000036C0000-0x00000000036D6000-memory.dmp

    Filesize

    88KB

  • memory/1612-7-0x0000000001970000-0x0000000001984000-memory.dmp

    Filesize

    80KB

  • memory/1612-8-0x000000001DAF0000-0x000000001DB7A000-memory.dmp

    Filesize

    552KB

  • memory/1612-4-0x00007FFEDCE23000-0x00007FFEDCE25000-memory.dmp

    Filesize

    8KB

  • memory/1612-3-0x0000000001990000-0x00000000019B4000-memory.dmp

    Filesize

    144KB

  • memory/1612-1-0x0000000000AA0000-0x0000000000B70000-memory.dmp

    Filesize

    832KB

  • memory/1612-0-0x00007FFEDCE23000-0x00007FFEDCE25000-memory.dmp

    Filesize

    8KB

  • memory/1612-29-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2384-26-0x0000000140000000-0x0000000140048000-memory.dmp

    Filesize

    288KB

  • memory/2384-45-0x000000001EC90000-0x000000001EE52000-memory.dmp

    Filesize

    1.8MB

  • memory/2384-46-0x000000001C5D0000-0x000000001C620000-memory.dmp

    Filesize

    320KB

  • memory/4576-25-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4576-28-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4576-23-0x00000180BC9F0000-0x00000180BCA12000-memory.dmp

    Filesize

    136KB

  • memory/4576-24-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4576-41-0x00007FFEDCE20000-0x00007FFEDD8E1000-memory.dmp

    Filesize

    10.8MB