Analysis

  • max time kernel
    136s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 03:33

General

  • Target

    86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.exe

  • Size

    764KB

  • MD5

    773778752662f5a81d6b7a2015890b79

  • SHA1

    662be6bed03ec5afac72029459157d7908797622

  • SHA256

    86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c

  • SHA512

    6f3cc620230339aa6ca7f988342e463feffca6c2be0023cb96879a6fe161a9868f0f702027be0487942c2fc2130a026f93f8efd5f7ff9cc0cbfb18fcff6bc598

  • SSDEEP

    12288:2jlIpHtMPku+l0CPPZlhn/3EHE69r3WJ/Ggh6Yz6Co7bbJ/k5ggzBv7V:2jlIhSPd+p9/AEESd5z5o7b9XgzBZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vvtrade.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qVyP6qyv6MQCmZJBRs4t

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

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 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).

  • 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 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.exe
    "C:\Users\Admin\AppData\Local\Temp\86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • 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\86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EYDNKhhJr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EYDNKhhJr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9CF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4928
    • C:\Users\Admin\AppData\Local\Temp\86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.exe
      "C:\Users\Admin\AppData\Local\Temp\86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.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:4520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • 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

    cf7019aa57d79740bed8baa0289408b3

    SHA1

    2d476f183f24602e443da180576d6b1ddbdef176

    SHA256

    abc6f1d6074982e4f5e106cb758682780bab044f8b1b9a1467477f87000ebd80

    SHA512

    911c3ab9f171f061d83226faa6e99f6811e572e46e970869efbccbc536a65604226d7d6b944e3180d839ed990bd494749c16f125eecb9f54db2a2445c534229a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_be1mrkwa.q2w.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9CF.tmp

    Filesize

    1KB

    MD5

    41bd28affe24fc72d473082a2c2459b0

    SHA1

    c1c9e9992e04e89532b19a06b2609cb58f80b58d

    SHA256

    a3aa8b2ec2f9943aef812008072249486997d9b4f90b5dd7ea291cd08e053010

    SHA512

    c5cb484d0eb1d0a73264ce212549d15d29f1e99e7e815ef97617d21a69ed39df581fceddda959b41546daa5ffaa2ea5210490f13d0cb5b7a141b84a97cd01e7e

  • memory/640-80-0x0000000007360000-0x00000000073F6000-memory.dmp

    Filesize

    600KB

  • memory/640-24-0x0000000004FA0000-0x0000000005006000-memory.dmp

    Filesize

    408KB

  • memory/640-91-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/640-82-0x0000000007310000-0x000000000731E000-memory.dmp

    Filesize

    56KB

  • memory/640-78-0x00000000070F0000-0x000000000710A000-memory.dmp

    Filesize

    104KB

  • memory/640-65-0x0000000006370000-0x000000000638E000-memory.dmp

    Filesize

    120KB

  • memory/640-15-0x00000000024A0000-0x00000000024D6000-memory.dmp

    Filesize

    216KB

  • memory/640-16-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/640-17-0x00000000050E0000-0x0000000005708000-memory.dmp

    Filesize

    6.2MB

  • memory/640-18-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/640-19-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/640-66-0x0000000007020000-0x00000000070C3000-memory.dmp

    Filesize

    652KB

  • memory/640-22-0x0000000004E00000-0x0000000004E22000-memory.dmp

    Filesize

    136KB

  • memory/640-25-0x0000000005010000-0x0000000005076000-memory.dmp

    Filesize

    408KB

  • memory/640-54-0x0000000006DE0000-0x0000000006E12000-memory.dmp

    Filesize

    200KB

  • memory/640-55-0x0000000070EB0000-0x0000000070EFC000-memory.dmp

    Filesize

    304KB

  • memory/640-52-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

    Filesize

    120KB

  • memory/640-53-0x0000000005E50000-0x0000000005E9C000-memory.dmp

    Filesize

    304KB

  • memory/640-35-0x00000000057A0000-0x0000000005AF4000-memory.dmp

    Filesize

    3.3MB

  • memory/640-77-0x0000000007750000-0x0000000007DCA000-memory.dmp

    Filesize

    6.5MB

  • memory/2308-1-0x0000000000F10000-0x0000000000FD6000-memory.dmp

    Filesize

    792KB

  • memory/2308-9-0x0000000005480000-0x00000000054FE000-memory.dmp

    Filesize

    504KB

  • memory/2308-7-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2308-6-0x0000000005EF0000-0x0000000005F16000-memory.dmp

    Filesize

    152KB

  • memory/2308-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2308-4-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-8-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

    Filesize

    40KB

  • memory/2308-51-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/2308-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2308-10-0x000000000B8C0000-0x000000000B95C000-memory.dmp

    Filesize

    624KB

  • memory/2308-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

    Filesize

    584KB

  • memory/4376-85-0x0000000007160000-0x0000000007168000-memory.dmp

    Filesize

    32KB

  • memory/4376-83-0x0000000007080000-0x0000000007094000-memory.dmp

    Filesize

    80KB

  • memory/4376-79-0x0000000006EB0000-0x0000000006EBA000-memory.dmp

    Filesize

    40KB

  • memory/4376-20-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4376-67-0x0000000070EB0000-0x0000000070EFC000-memory.dmp

    Filesize

    304KB

  • memory/4376-23-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4376-92-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4376-84-0x0000000007180000-0x000000000719A000-memory.dmp

    Filesize

    104KB

  • memory/4376-81-0x0000000007040000-0x0000000007051000-memory.dmp

    Filesize

    68KB

  • memory/4520-45-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4520-50-0x00000000053A0000-0x00000000053EE000-memory.dmp

    Filesize

    312KB

  • memory/4520-49-0x0000000002EA0000-0x0000000002EF0000-memory.dmp

    Filesize

    320KB

  • memory/4520-46-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4520-93-0x0000000006BA0000-0x0000000006D62000-memory.dmp

    Filesize

    1.8MB

  • memory/4520-94-0x0000000006A40000-0x0000000006A90000-memory.dmp

    Filesize

    320KB

  • memory/4520-95-0x00000000072A0000-0x00000000077CC000-memory.dmp

    Filesize

    5.2MB