Analysis

  • max time kernel
    145s
  • max time network
    146s
  • 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, 17:19

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 8 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:4340
    • 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:2860
    • 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:3104
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xdOaJTzpabdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE280.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4936
    • 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:628

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

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    Filesize

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sd3vdpap.djm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE280.tmp

    Filesize

    1KB

    MD5

    43d37e89c61467d3ede60cb1da0d17f9

    SHA1

    3f9e83f5ac2f66f61004799b815d86f248614efa

    SHA256

    667d3513fe39771090e0d8d301596711e3aa33d58ea92018f75e1aa52fd6b5fa

    SHA512

    c31a52510dbe3d98efdadadc1858c953fa2ef175cda2e151ea2775fdc628946d32c7bceb14ce812d1725fd0c4771f08d9f46c01e515f5d63c65326b7020a2a1e

  • memory/628-48-0x000000001B710000-0x000000001B760000-memory.dmp

    Filesize

    320KB

  • memory/628-47-0x000000001E010000-0x000000001E1D2000-memory.dmp

    Filesize

    1.8MB

  • memory/628-36-0x0000000140000000-0x0000000140048000-memory.dmp

    Filesize

    288KB

  • memory/3104-46-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3104-37-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3104-31-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3104-14-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3104-20-0x000002843CFA0000-0x000002843CFC2000-memory.dmp

    Filesize

    136KB

  • memory/4340-6-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/4340-9-0x000000001E000000-0x000000001E08A000-memory.dmp

    Filesize

    552KB

  • memory/4340-8-0x00000000017C0000-0x00000000017D4000-memory.dmp

    Filesize

    80KB

  • memory/4340-7-0x0000000003940000-0x0000000003956000-memory.dmp

    Filesize

    88KB

  • memory/4340-0-0x00007FFD676E3000-0x00007FFD676E5000-memory.dmp

    Filesize

    8KB

  • memory/4340-39-0x000000001CB40000-0x000000001CCE9000-memory.dmp

    Filesize

    1.7MB

  • memory/4340-40-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/4340-5-0x000000001CB40000-0x000000001CCE9000-memory.dmp

    Filesize

    1.7MB

  • memory/4340-4-0x00007FFD676E3000-0x00007FFD676E5000-memory.dmp

    Filesize

    8KB

  • memory/4340-3-0x0000000003900000-0x0000000003924000-memory.dmp

    Filesize

    144KB

  • memory/4340-2-0x00007FFD676E0000-0x00007FFD681A1000-memory.dmp

    Filesize

    10.8MB

  • memory/4340-1-0x0000000000DF0000-0x0000000000EC0000-memory.dmp

    Filesize

    832KB