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Resubmissions

29/01/2025, 13:51

250129-q6ahxsxqem 10

29/01/2025, 11:50

250129-nzvjeaxlez 10

29/01/2025, 11:23

250129-nhj2cawphz 10

Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2025, 13:51

General

  • Target

    WICUQABDHPpcbAU.exe

  • Size

    1.1MB

  • MD5

    e2bfaca136923b4e21f5ec3c94fa5add

  • SHA1

    4e4705871e548966fc2c842e0e05b949fac3b77f

  • SHA256

    286372582689c270359b64708765ec150af3fdf17f907bbacaa1680cbb8870d7

  • SHA512

    4a95ba2ff98c6ca6e520671c24c2bd98b1fea0b5511f73d93184d4a452d32986665b343c1d6e237b6343cd0018859bab2317026a1b9038e52957a07a55b96f11

  • SSDEEP

    24576:qXMbLqmVL/afbQvqKkzz+7FXVqL8YTUIe:5LqQjajQvqzGbYQIe

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 3 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe
    "C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2368
    • 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\WICUQABDHPpcbAU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4488
    • C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe
      "C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe"
      2⤵
        PID:2364
      • C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe
        "C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe"
        2⤵
          PID:2092
        • C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.exe
          "C:\Users\Admin\AppData\Local\Temp\WICUQABDHPpcbAU.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:556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_szkwkw1m.yjg.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/556-11-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/556-15-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/556-33-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/556-61-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/556-62-0x0000000006E00000-0x0000000006FC2000-memory.dmp

        Filesize

        1.8MB

      • memory/556-63-0x0000000006C80000-0x0000000006CD0000-memory.dmp

        Filesize

        320KB

      • memory/556-64-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2368-0-0x000000007531E000-0x000000007531F000-memory.dmp

        Filesize

        4KB

      • memory/2368-10-0x000000000CBF0000-0x000000000CC8C000-memory.dmp

        Filesize

        624KB

      • memory/2368-3-0x00000000058E0000-0x0000000005972000-memory.dmp

        Filesize

        584KB

      • memory/2368-2-0x0000000005DA0000-0x0000000006344000-memory.dmp

        Filesize

        5.6MB

      • memory/2368-1-0x0000000000DD0000-0x0000000000EFA000-memory.dmp

        Filesize

        1.2MB

      • memory/2368-9-0x0000000003290000-0x000000000331E000-memory.dmp

        Filesize

        568KB

      • memory/2368-17-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2368-8-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2368-7-0x000000007531E000-0x000000007531F000-memory.dmp

        Filesize

        4KB

      • memory/2368-6-0x00000000081E0000-0x00000000081FE000-memory.dmp

        Filesize

        120KB

      • memory/2368-5-0x00000000059A0000-0x00000000059AA000-memory.dmp

        Filesize

        40KB

      • memory/2368-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4488-16-0x0000000005970000-0x0000000005F98000-memory.dmp

        Filesize

        6.2MB

      • memory/4488-50-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

        Filesize

        104KB

      • memory/4488-20-0x0000000006190000-0x00000000061F6000-memory.dmp

        Filesize

        408KB

      • memory/4488-21-0x0000000006200000-0x0000000006266000-memory.dmp

        Filesize

        408KB

      • memory/4488-34-0x0000000006890000-0x00000000068AE000-memory.dmp

        Filesize

        120KB

      • memory/4488-35-0x00000000068B0000-0x00000000068FC000-memory.dmp

        Filesize

        304KB

      • memory/4488-36-0x0000000006E50000-0x0000000006E82000-memory.dmp

        Filesize

        200KB

      • memory/4488-47-0x0000000006E30000-0x0000000006E4E000-memory.dmp

        Filesize

        120KB

      • memory/4488-37-0x0000000070D40000-0x0000000070D8C000-memory.dmp

        Filesize

        304KB

      • memory/4488-48-0x0000000007AB0000-0x0000000007B53000-memory.dmp

        Filesize

        652KB

      • memory/4488-49-0x0000000008200000-0x000000000887A000-memory.dmp

        Filesize

        6.5MB

      • memory/4488-19-0x00000000060F0000-0x0000000006112000-memory.dmp

        Filesize

        136KB

      • memory/4488-51-0x0000000007C30000-0x0000000007C3A000-memory.dmp

        Filesize

        40KB

      • memory/4488-52-0x0000000007E40000-0x0000000007ED6000-memory.dmp

        Filesize

        600KB

      • memory/4488-53-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

        Filesize

        68KB

      • memory/4488-54-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

        Filesize

        56KB

      • memory/4488-55-0x0000000007E00000-0x0000000007E14000-memory.dmp

        Filesize

        80KB

      • memory/4488-56-0x0000000007F00000-0x0000000007F1A000-memory.dmp

        Filesize

        104KB

      • memory/4488-57-0x0000000007EE0000-0x0000000007EE8000-memory.dmp

        Filesize

        32KB

      • memory/4488-60-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4488-28-0x0000000006270000-0x00000000065C4000-memory.dmp

        Filesize

        3.3MB

      • memory/4488-22-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/4488-14-0x00000000052D0000-0x0000000005306000-memory.dmp

        Filesize

        216KB

      • memory/4488-18-0x0000000075310000-0x0000000075AC0000-memory.dmp

        Filesize

        7.7MB