Analysis

  • max time kernel
    125s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:09

General

  • Target

    3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe

  • Size

    743KB

  • MD5

    5d187da30baee4d1caa3fa7dc6756dde

  • SHA1

    c2904d4627f79ff40a922bd604dc30be04fc48c9

  • SHA256

    3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1

  • SHA512

    287adda92ffc32b6070de1bdbeebfa03285f1d45aee93114b056e62cf3b174d1820269f2375bb1ee0ba55de453dc297d68d2b5aac4a3578f0a9eb6db63e83fdd

  • SSDEEP

    12288:svIdKRwhyM8aqsj0EaQhsMyN69xaLT2RpPT2XzTbQ:sj2r8aHEQ9ye/P6XzY

Malware Config

Extracted

Family

vipkeylogger

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe
    "C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2948
    • 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\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4504
    • C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe
      "C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.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:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hnyumgcn.j4i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2216-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2216-14-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/2216-64-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/2216-62-0x0000000006420000-0x00000000065E2000-memory.dmp

    Filesize

    1.8MB

  • memory/2216-63-0x00000000062A0000-0x00000000062F0000-memory.dmp

    Filesize

    320KB

  • memory/2216-29-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

    Filesize

    40KB

  • memory/2948-6-0x0000000006C40000-0x0000000006C5E000-memory.dmp

    Filesize

    120KB

  • memory/2948-10-0x000000000B5F0000-0x000000000B68C000-memory.dmp

    Filesize

    624KB

  • memory/2948-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

    Filesize

    4KB

  • memory/2948-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

    Filesize

    5.6MB

  • memory/2948-15-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-5-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/2948-1-0x0000000000800000-0x00000000008C0000-memory.dmp

    Filesize

    768KB

  • memory/2948-7-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

    Filesize

    4KB

  • memory/2948-9-0x0000000002B20000-0x0000000002BAC000-memory.dmp

    Filesize

    560KB

  • memory/2948-3-0x0000000005300000-0x0000000005392000-memory.dmp

    Filesize

    584KB

  • memory/4504-36-0x0000000006010000-0x000000000605C000-memory.dmp

    Filesize

    304KB

  • memory/4504-51-0x00000000072C0000-0x00000000072DA000-memory.dmp

    Filesize

    104KB

  • memory/4504-21-0x0000000005090000-0x00000000050F6000-memory.dmp

    Filesize

    408KB

  • memory/4504-22-0x0000000005790000-0x00000000057F6000-memory.dmp

    Filesize

    408KB

  • memory/4504-17-0x0000000005160000-0x0000000005788000-memory.dmp

    Filesize

    6.2MB

  • memory/4504-34-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4504-35-0x0000000005F80000-0x0000000005F9E000-memory.dmp

    Filesize

    120KB

  • memory/4504-19-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4504-37-0x0000000006540000-0x0000000006572000-memory.dmp

    Filesize

    200KB

  • memory/4504-38-0x00000000704B0000-0x00000000704FC000-memory.dmp

    Filesize

    304KB

  • memory/4504-48-0x00000000065B0000-0x00000000065CE000-memory.dmp

    Filesize

    120KB

  • memory/4504-49-0x0000000007170000-0x0000000007213000-memory.dmp

    Filesize

    652KB

  • memory/4504-50-0x0000000007910000-0x0000000007F8A000-memory.dmp

    Filesize

    6.5MB

  • memory/4504-20-0x0000000004FF0000-0x0000000005012000-memory.dmp

    Filesize

    136KB

  • memory/4504-52-0x0000000007340000-0x000000000734A000-memory.dmp

    Filesize

    40KB

  • memory/4504-53-0x0000000007540000-0x00000000075D6000-memory.dmp

    Filesize

    600KB

  • memory/4504-54-0x00000000074C0000-0x00000000074D1000-memory.dmp

    Filesize

    68KB

  • memory/4504-55-0x00000000074F0000-0x00000000074FE000-memory.dmp

    Filesize

    56KB

  • memory/4504-56-0x0000000007500000-0x0000000007514000-memory.dmp

    Filesize

    80KB

  • memory/4504-57-0x0000000007600000-0x000000000761A000-memory.dmp

    Filesize

    104KB

  • memory/4504-58-0x00000000075E0000-0x00000000075E8000-memory.dmp

    Filesize

    32KB

  • memory/4504-61-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4504-28-0x0000000005960000-0x0000000005CB4000-memory.dmp

    Filesize

    3.3MB

  • memory/4504-18-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4504-16-0x00000000026A0000-0x00000000026D6000-memory.dmp

    Filesize

    216KB