Analysis

  • max time kernel
    134s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 13:10

General

  • Target

    7vbu8ZW8lFI8mn5.exe

  • Size

    730KB

  • MD5

    07188bef748562cde18f2b77f76bae94

  • SHA1

    70f3fddd3fb0030e4e7422a41d560374c463e1dc

  • SHA256

    2a53872f573a1817be1848779e60c7db22501badc0afd7f364ee30a77dce3395

  • SHA512

    fab75b7746af8b04bda1361737d47e33bb770be79872830722bf4affe2231d222c01032f73f48d92268027a20e0eb230c7c8ff3a94b6813b2ce4dd445e6ddf94

  • SSDEEP

    12288:EYkhMOoltiJE75jOnBtT/6YDr33baequP3y5Mg1YHJGtG3r8Ru4ZiOQkx:EYkh5oDiJftTDzagPfg2pGtQr87Zr

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.

  • 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\7vbu8ZW8lFI8mn5.exe
    "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3444
    • 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\7vbu8ZW8lFI8mn5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540
    • C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe
      "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.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:1848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7vbu8ZW8lFI8mn5.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_30facrv5.1io.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1540-51-0x00000000073D0000-0x00000000073EA000-memory.dmp

    Filesize

    104KB

  • memory/1540-16-0x0000000002770000-0x00000000027A6000-memory.dmp

    Filesize

    216KB

  • memory/1540-53-0x0000000007650000-0x00000000076E6000-memory.dmp

    Filesize

    600KB

  • memory/1540-32-0x0000000005B90000-0x0000000005EE4000-memory.dmp

    Filesize

    3.3MB

  • memory/1540-50-0x0000000007A10000-0x000000000808A000-memory.dmp

    Filesize

    6.5MB

  • memory/1540-49-0x00000000072D0000-0x0000000007373000-memory.dmp

    Filesize

    652KB

  • memory/1540-48-0x00000000066B0000-0x00000000066CE000-memory.dmp

    Filesize

    120KB

  • memory/1540-61-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-57-0x0000000007710000-0x000000000772A000-memory.dmp

    Filesize

    104KB

  • memory/1540-38-0x00000000702B0000-0x00000000702FC000-memory.dmp

    Filesize

    304KB

  • memory/1540-19-0x00000000052D0000-0x00000000052F2000-memory.dmp

    Filesize

    136KB

  • memory/1540-37-0x0000000006670000-0x00000000066A2000-memory.dmp

    Filesize

    200KB

  • memory/1540-35-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-17-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-18-0x0000000005310000-0x0000000005938000-memory.dmp

    Filesize

    6.2MB

  • memory/1540-52-0x0000000007440000-0x000000000744A000-memory.dmp

    Filesize

    40KB

  • memory/1540-20-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-21-0x00000000059B0000-0x0000000005A16000-memory.dmp

    Filesize

    408KB

  • memory/1540-58-0x00000000076F0000-0x00000000076F8000-memory.dmp

    Filesize

    32KB

  • memory/1540-22-0x0000000005A20000-0x0000000005A86000-memory.dmp

    Filesize

    408KB

  • memory/1540-56-0x0000000007610000-0x0000000007624000-memory.dmp

    Filesize

    80KB

  • memory/1540-55-0x0000000007600000-0x000000000760E000-memory.dmp

    Filesize

    56KB

  • memory/1540-54-0x00000000075D0000-0x00000000075E1000-memory.dmp

    Filesize

    68KB

  • memory/1540-34-0x00000000060D0000-0x000000000611C000-memory.dmp

    Filesize

    304KB

  • memory/1540-33-0x00000000060A0000-0x00000000060BE000-memory.dmp

    Filesize

    120KB

  • memory/1848-36-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-14-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1848-62-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-63-0x00000000064C0000-0x0000000006682000-memory.dmp

    Filesize

    1.8MB

  • memory/1848-64-0x0000000006340000-0x0000000006390000-memory.dmp

    Filesize

    320KB

  • memory/1848-65-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3444-4-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

    Filesize

    40KB

  • memory/3444-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/3444-15-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3444-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

    Filesize

    584KB

  • memory/3444-2-0x0000000005020000-0x00000000055C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3444-1-0x0000000000010000-0x00000000000CC000-memory.dmp

    Filesize

    752KB

  • memory/3444-10-0x0000000008520000-0x00000000085AA000-memory.dmp

    Filesize

    552KB

  • memory/3444-9-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3444-8-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/3444-7-0x0000000005D40000-0x0000000005D5C000-memory.dmp

    Filesize

    112KB

  • memory/3444-6-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3444-5-0x0000000004D40000-0x0000000004DDC000-memory.dmp

    Filesize

    624KB