Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-10-2024 01:14

General

  • Target

    c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe

  • Size

    857KB

  • MD5

    3bc8fe52f28307cf921da1f1bdc448fb

  • SHA1

    0a213e9c8ace169379f108ccba01793ddcdc07f0

  • SHA256

    c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd

  • SHA512

    660d600323d9cfacbbca1f897d66e517693d10a316edc59e95ed02532a46dde7d7d0af0dbc9b750e3ee70bc0cf1b74fbc7fd7bcb2a257ea5d22c704b212353e3

  • SSDEEP

    24576:deq38JBG088vRAwGdZHczQh3Xq6iLlCFEY:2XG78ijFXq6iLsKY

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 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe
    "C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.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:444
    • 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\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1044
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EUjCRllSu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5044
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EUjCRllSu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9616.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe
      "C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"
      2⤵
        PID:3728
      • C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe
        "C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.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:4608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

      25ecdda7ffdd6979817f8ce83b7d1849

      SHA1

      25c0b6be733365c934e6664e51473b2c71248395

      SHA256

      998fff6623491159ddf69c4b1b7b930d2ce6ee4b1097cc772d144d690f6d168a

      SHA512

      d9400d666f5cda40e8516161458da0115db1b3ea05db593695d5fcad11da654d8657dfc8507f7bdb4c937c0476ffa6031ca464da5a1bdc39f29fbd60fbc430da

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jg1gtz1b.n5u.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9616.tmp

      Filesize

      1KB

      MD5

      57194817218c271eaf26c9ec55c1a441

      SHA1

      5e0afb7a675ad27d8f7490785f0755652fe0d3ee

      SHA256

      1006e86da050ae7efd9eff3346bc8cc311d6e59df123302b86b4e9176d7c9887

      SHA512

      f4d22413a23f0a1c0160e993860f380624a41a0cac0f2d86dd9e3f4db5c8f8b604a5b27f7c10ff24948e1788b84276b047f147b5af84144bff8626f14c838a3b

    • memory/444-8-0x00000000751AE000-0x00000000751AF000-memory.dmp

      Filesize

      4KB

    • memory/444-4-0x0000000004B70000-0x0000000004B7A000-memory.dmp

      Filesize

      40KB

    • memory/444-6-0x0000000004E20000-0x0000000004EBC000-memory.dmp

      Filesize

      624KB

    • memory/444-7-0x0000000004DF0000-0x0000000004DFE000-memory.dmp

      Filesize

      56KB

    • memory/444-5-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/444-9-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/444-10-0x00000000060E0000-0x000000000616C000-memory.dmp

      Filesize

      560KB

    • memory/444-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

      Filesize

      584KB

    • memory/444-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

      Filesize

      4KB

    • memory/444-2-0x0000000005160000-0x0000000005704000-memory.dmp

      Filesize

      5.6MB

    • memory/444-1-0x0000000000140000-0x000000000021C000-memory.dmp

      Filesize

      880KB

    • memory/444-48-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/1044-17-0x0000000005740000-0x0000000005D68000-memory.dmp

      Filesize

      6.2MB

    • memory/1044-51-0x00000000077C0000-0x00000000077F2000-memory.dmp

      Filesize

      200KB

    • memory/1044-89-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/1044-35-0x0000000006040000-0x0000000006394000-memory.dmp

      Filesize

      3.3MB

    • memory/1044-20-0x00000000056A0000-0x00000000056C2000-memory.dmp

      Filesize

      136KB

    • memory/1044-15-0x0000000002D20000-0x0000000002D56000-memory.dmp

      Filesize

      216KB

    • memory/1044-16-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/1044-34-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/1044-18-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/1044-21-0x0000000005EB0000-0x0000000005F16000-memory.dmp

      Filesize

      408KB

    • memory/1044-81-0x0000000007CB0000-0x0000000007CCA000-memory.dmp

      Filesize

      104KB

    • memory/1044-49-0x0000000006620000-0x000000000663E000-memory.dmp

      Filesize

      120KB

    • memory/1044-50-0x00000000068D0000-0x000000000691C000-memory.dmp

      Filesize

      304KB

    • memory/1044-82-0x0000000007C90000-0x0000000007C98000-memory.dmp

      Filesize

      32KB

    • memory/1044-79-0x0000000007BA0000-0x0000000007BAE000-memory.dmp

      Filesize

      56KB

    • memory/1044-62-0x0000000007800000-0x000000000781E000-memory.dmp

      Filesize

      120KB

    • memory/1044-52-0x0000000071730000-0x000000007177C000-memory.dmp

      Filesize

      304KB

    • memory/1044-22-0x0000000005FD0000-0x0000000006036000-memory.dmp

      Filesize

      408KB

    • memory/1044-74-0x0000000007FB0000-0x000000000862A000-memory.dmp

      Filesize

      6.5MB

    • memory/1044-80-0x0000000007BB0000-0x0000000007BC4000-memory.dmp

      Filesize

      80KB

    • memory/4608-37-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/4608-91-0x00000000068E0000-0x0000000006930000-memory.dmp

      Filesize

      320KB

    • memory/4608-90-0x0000000006A50000-0x0000000006C12000-memory.dmp

      Filesize

      1.8MB

    • memory/5044-75-0x0000000007630000-0x000000000764A000-memory.dmp

      Filesize

      104KB

    • memory/5044-73-0x0000000007520000-0x00000000075C3000-memory.dmp

      Filesize

      652KB

    • memory/5044-63-0x0000000071730000-0x000000007177C000-memory.dmp

      Filesize

      304KB

    • memory/5044-19-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/5044-88-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/5044-36-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/5044-76-0x00000000076B0000-0x00000000076BA000-memory.dmp

      Filesize

      40KB

    • memory/5044-29-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/5044-78-0x0000000007830000-0x0000000007841000-memory.dmp

      Filesize

      68KB

    • memory/5044-77-0x00000000078B0000-0x0000000007946000-memory.dmp

      Filesize

      600KB