Analysis

  • max time kernel
    56s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 19:06

General

  • Target

    bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.exe

  • Size

    1010KB

  • MD5

    c5aaf7edf38868d8174a8b96a91eacd1

  • SHA1

    b588352c86e985be1ca6024f3c802a61a276c8f2

  • SHA256

    bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854

  • SHA512

    d6c1e9991d20eda66be55ce4497a7167cc11effa53524b1435aed8d756d8bb67277a10b30d3512b94843c746854a647d252d84d4d6f0286e1616fa7491d969ec

  • SSDEEP

    12288:7alfVhpeGijKZozi9+SNCcSPaAKI9Fb18K0MFrelYukpFM5e6G:7ifVvijKZOi9H6MI9FJHdemu6FMg

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.

  • Vipkeylogger family
  • 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\bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.exe
    "C:\Users\Admin\AppData\Local\Temp\bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2176
    • 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\bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1956
    • C:\Users\Admin\AppData\Local\Temp\bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.exe
      "C:\Users\Admin\AppData\Local\Temp\bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.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:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bb2ec68446fa77051715fe791633c7ee7191698d263ceee182903a7cbf24a854.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ixxqvrqa.pk3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1956-51-0x0000000007150000-0x000000000715A000-memory.dmp

    Filesize

    40KB

  • memory/1956-49-0x0000000007720000-0x0000000007D9A000-memory.dmp

    Filesize

    6.5MB

  • memory/1956-33-0x00000000057C0000-0x0000000005B14000-memory.dmp

    Filesize

    3.3MB

  • memory/1956-60-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1956-57-0x0000000007400000-0x0000000007408000-memory.dmp

    Filesize

    32KB

  • memory/1956-56-0x0000000007420000-0x000000000743A000-memory.dmp

    Filesize

    104KB

  • memory/1956-55-0x0000000007320000-0x0000000007334000-memory.dmp

    Filesize

    80KB

  • memory/1956-54-0x0000000007310000-0x000000000731E000-memory.dmp

    Filesize

    56KB

  • memory/1956-53-0x00000000072E0000-0x00000000072F1000-memory.dmp

    Filesize

    68KB

  • memory/1956-52-0x0000000007360000-0x00000000073F6000-memory.dmp

    Filesize

    600KB

  • memory/1956-50-0x00000000070E0000-0x00000000070FA000-memory.dmp

    Filesize

    104KB

  • memory/1956-35-0x0000000005E80000-0x0000000005ECC000-memory.dmp

    Filesize

    304KB

  • memory/1956-23-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/1956-48-0x0000000006DA0000-0x0000000006E43000-memory.dmp

    Filesize

    652KB

  • memory/1956-17-0x00000000024C0000-0x00000000024F6000-memory.dmp

    Filesize

    216KB

  • memory/1956-18-0x0000000004F80000-0x00000000055A8000-memory.dmp

    Filesize

    6.2MB

  • memory/1956-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1956-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1956-21-0x0000000004DE0000-0x0000000004E02000-memory.dmp

    Filesize

    136KB

  • memory/1956-22-0x00000000056E0000-0x0000000005746000-memory.dmp

    Filesize

    408KB

  • memory/1956-47-0x0000000006D80000-0x0000000006D9E000-memory.dmp

    Filesize

    120KB

  • memory/1956-37-0x00000000701B0000-0x00000000701FC000-memory.dmp

    Filesize

    304KB

  • memory/1956-36-0x0000000006D40000-0x0000000006D72000-memory.dmp

    Filesize

    200KB

  • memory/1956-34-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

    Filesize

    120KB

  • memory/2176-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-10-0x0000000004B50000-0x0000000004BDA000-memory.dmp

    Filesize

    552KB

  • memory/2176-3-0x00000000050D0000-0x0000000005162000-memory.dmp

    Filesize

    584KB

  • memory/2176-5-0x0000000005170000-0x000000000517A000-memory.dmp

    Filesize

    40KB

  • memory/2176-6-0x0000000005410000-0x00000000054AC000-memory.dmp

    Filesize

    624KB

  • memory/2176-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

    Filesize

    5.6MB

  • memory/2176-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/2176-7-0x00000000053E0000-0x00000000053FC000-memory.dmp

    Filesize

    112KB

  • memory/2176-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-1-0x0000000000710000-0x0000000000812000-memory.dmp

    Filesize

    1.0MB

  • memory/2176-8-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/2248-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2248-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-61-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-62-0x00000000066A0000-0x0000000006862000-memory.dmp

    Filesize

    1.8MB

  • memory/2248-63-0x0000000006530000-0x0000000006580000-memory.dmp

    Filesize

    320KB