Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 13:07

General

  • Target

    FT876567090.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\FT876567090.exe
    "C:\Users\Admin\AppData\Local\Temp\FT876567090.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:736
    • 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\FT876567090.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3100
    • 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:4592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EYDNKhhJr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB323.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2100
    • C:\Users\Admin\AppData\Local\Temp\FT876567090.exe
      "C:\Users\Admin\AppData\Local\Temp\FT876567090.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:1472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FT876567090.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

    33453f25c83a7a57d85a75a644f738c0

    SHA1

    75a2f40805c43aea4a20e9ac0e2e5fa6ed225122

    SHA256

    3fd6fb6b662539442691be7c46e06cb614cce9c9ac88b1d0b898a0de037bc356

    SHA512

    acae49df3a1a3260a2d44405383debc57b24dbb84dcf1538b81c50750dcc5de6507b1a1c58a855a2b95632f499f428c7f6aaa62ec54813d1a444d5f97e40d3d3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ztotg5ow.rti.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB323.tmp

    Filesize

    1KB

    MD5

    348e107e26d58948abdb8c3186c435bf

    SHA1

    803bdddb68a6edea13c3affc1442b2f5bffe90eb

    SHA256

    b4e5355becbb70a0bc00ada0e4acc69332ef9d404baf36787359230eefd4e087

    SHA512

    1ef3a16d207067521bfe7690b6072b570376afa32302bfa4e6f09435e6f7accaddf42b6e80cdb82432956f27bc12cf6b88379e7a51cded394b5e8295dac1d2c2

  • memory/736-8-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/736-6-0x0000000005CE0000-0x0000000005D06000-memory.dmp

    Filesize

    152KB

  • memory/736-7-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/736-5-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/736-9-0x0000000005130000-0x00000000051AE000-memory.dmp

    Filesize

    504KB

  • memory/736-10-0x000000000BA70000-0x000000000BB0C000-memory.dmp

    Filesize

    624KB

  • memory/736-4-0x0000000005730000-0x000000000573A000-memory.dmp

    Filesize

    40KB

  • memory/736-51-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/736-0-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/736-3-0x0000000005750000-0x00000000057E2000-memory.dmp

    Filesize

    584KB

  • memory/736-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

    Filesize

    5.6MB

  • memory/736-1-0x0000000000C70000-0x0000000000D36000-memory.dmp

    Filesize

    792KB

  • memory/1472-96-0x00000000065A0000-0x00000000065F0000-memory.dmp

    Filesize

    320KB

  • memory/1472-53-0x0000000005090000-0x00000000050DE000-memory.dmp

    Filesize

    312KB

  • memory/1472-95-0x0000000006700000-0x00000000068C2000-memory.dmp

    Filesize

    1.8MB

  • memory/1472-46-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/1472-97-0x0000000006E00000-0x000000000732C000-memory.dmp

    Filesize

    5.2MB

  • memory/1472-50-0x0000000002870000-0x00000000028C0000-memory.dmp

    Filesize

    320KB

  • memory/1472-47-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/3100-17-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3100-69-0x0000000075BD0000-0x0000000075C1C000-memory.dmp

    Filesize

    304KB

  • memory/3100-26-0x00000000057A0000-0x0000000005AF4000-memory.dmp

    Filesize

    3.3MB

  • memory/3100-15-0x00000000024D0000-0x0000000002506000-memory.dmp

    Filesize

    216KB

  • memory/3100-22-0x0000000004FA0000-0x0000000005006000-memory.dmp

    Filesize

    408KB

  • memory/3100-21-0x0000000004E00000-0x0000000004E22000-memory.dmp

    Filesize

    136KB

  • memory/3100-23-0x0000000005010000-0x0000000005076000-memory.dmp

    Filesize

    408KB

  • memory/3100-16-0x0000000005170000-0x0000000005798000-memory.dmp

    Filesize

    6.2MB

  • memory/3100-18-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3100-93-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3100-45-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4592-68-0x0000000007870000-0x0000000007EEA000-memory.dmp

    Filesize

    6.5MB

  • memory/4592-84-0x0000000007470000-0x0000000007484000-memory.dmp

    Filesize

    80KB

  • memory/4592-79-0x0000000007230000-0x000000000724A000-memory.dmp

    Filesize

    104KB

  • memory/4592-55-0x00000000070A0000-0x00000000070D2000-memory.dmp

    Filesize

    200KB

  • memory/4592-56-0x0000000075BD0000-0x0000000075C1C000-memory.dmp

    Filesize

    304KB

  • memory/4592-80-0x00000000072A0000-0x00000000072AA000-memory.dmp

    Filesize

    40KB

  • memory/4592-81-0x00000000074B0000-0x0000000007546000-memory.dmp

    Filesize

    600KB

  • memory/4592-82-0x0000000007430000-0x0000000007441000-memory.dmp

    Filesize

    68KB

  • memory/4592-83-0x0000000007460000-0x000000000746E000-memory.dmp

    Filesize

    56KB

  • memory/4592-67-0x0000000007100000-0x00000000071A3000-memory.dmp

    Filesize

    652KB

  • memory/4592-85-0x0000000007570000-0x000000000758A000-memory.dmp

    Filesize

    104KB

  • memory/4592-86-0x0000000007550000-0x0000000007558000-memory.dmp

    Filesize

    32KB

  • memory/4592-24-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4592-19-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4592-94-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4592-66-0x00000000070E0000-0x00000000070FE000-memory.dmp

    Filesize

    120KB

  • memory/4592-52-0x0000000005F10000-0x0000000005F2E000-memory.dmp

    Filesize

    120KB

  • memory/4592-54-0x0000000006040000-0x000000000608C000-memory.dmp

    Filesize

    304KB

  • memory/4592-25-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB