Analysis

  • max time kernel
    120s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 02:57

General

  • Target

    ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe

  • Size

    739KB

  • MD5

    b5a03660242476827750ca96e6e0a69d

  • SHA1

    633163466408f69e051e75a7fb98f7ea78320fcd

  • SHA256

    ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a

  • SHA512

    0575aec2012103e588eea606a3ed4e67747875cefff7142f8d9779f36cfc23bd2b12ed2325ad4fc5cba98e75664eeb7a8ae1bf4900ab94440cac07127fe98332

  • SSDEEP

    12288:SZJpp3RbeX2LA2HNu3ba3beuqTfgE1taWN8LVLCmfxIy7vmzt5vXs60ZMF7dJOuu:STpp35eXeFw23C15aI8LtCs5GvcHs6uu

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 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 8 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\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.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:4968
    • 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\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mwkamAWUSfGsaX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwkamAWUSfGsaX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF07A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3988
    • C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
      "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
      2⤵
        PID:3420
      • C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
        "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.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:924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • 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\Temp\__PSScriptPolicyTest_rkq3aody.irq.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpF07A.tmp

      Filesize

      1KB

      MD5

      097c0ce5f7cb5abdb3e3f2a59d82c4ca

      SHA1

      0956bbf2ab5845fc76f0238619f1d7afc9291ea5

      SHA256

      995853606f651a156ae92f53b7974c69a3e6299fd3989d2e85f80f15abe6b38d

      SHA512

      f2c18346a7772d2d6b46f6d8ffe5685e401f4efe789f42d5c0efd7711f91d7a1ae70088738b9bfe480ec398c00032bc882a0233de4854f9ea4bc77d619325819

    • memory/924-91-0x0000000006420000-0x0000000006470000-memory.dmp

      Filesize

      320KB

    • memory/924-90-0x00000000065A0000-0x0000000006762000-memory.dmp

      Filesize

      1.8MB

    • memory/924-45-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2432-16-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2432-50-0x0000000005D00000-0x0000000005D1E000-memory.dmp

      Filesize

      120KB

    • memory/2432-88-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2432-81-0x0000000007290000-0x00000000072A4000-memory.dmp

      Filesize

      80KB

    • memory/2432-15-0x0000000002400000-0x0000000002436000-memory.dmp

      Filesize

      216KB

    • memory/2432-80-0x0000000007280000-0x000000000728E000-memory.dmp

      Filesize

      56KB

    • memory/2432-17-0x0000000004EB0000-0x00000000054D8000-memory.dmp

      Filesize

      6.2MB

    • memory/2432-18-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2432-78-0x00000000072D0000-0x0000000007366000-memory.dmp

      Filesize

      600KB

    • memory/2432-21-0x00000000055C0000-0x0000000005626000-memory.dmp

      Filesize

      408KB

    • memory/2432-20-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/2432-19-0x0000000004E60000-0x0000000004E82000-memory.dmp

      Filesize

      136KB

    • memory/2432-74-0x0000000006F10000-0x0000000006FB3000-memory.dmp

      Filesize

      652KB

    • memory/2432-63-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

      Filesize

      120KB

    • memory/2432-53-0x0000000071250000-0x000000007129C000-memory.dmp

      Filesize

      304KB

    • memory/2432-44-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2432-43-0x00000000057F0000-0x0000000005B44000-memory.dmp

      Filesize

      3.3MB

    • memory/2432-52-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

      Filesize

      200KB

    • memory/2432-51-0x0000000005D40000-0x0000000005D8C000-memory.dmp

      Filesize

      304KB

    • memory/2892-77-0x0000000007070000-0x000000000707A000-memory.dmp

      Filesize

      40KB

    • memory/2892-89-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-82-0x0000000007340000-0x000000000735A000-memory.dmp

      Filesize

      104KB

    • memory/2892-83-0x0000000007320000-0x0000000007328000-memory.dmp

      Filesize

      32KB

    • memory/2892-79-0x0000000007200000-0x0000000007211000-memory.dmp

      Filesize

      68KB

    • memory/2892-49-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-33-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-64-0x0000000071250000-0x000000007129C000-memory.dmp

      Filesize

      304KB

    • memory/2892-22-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-75-0x0000000007640000-0x0000000007CBA000-memory.dmp

      Filesize

      6.5MB

    • memory/2892-76-0x0000000007000000-0x000000000701A000-memory.dmp

      Filesize

      104KB

    • memory/4968-6-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

      Filesize

      624KB

    • memory/4968-7-0x0000000005E90000-0x0000000005EAC000-memory.dmp

      Filesize

      112KB

    • memory/4968-4-0x00000000058D0000-0x00000000058DA000-memory.dmp

      Filesize

      40KB

    • memory/4968-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

      Filesize

      4KB

    • memory/4968-10-0x0000000007300000-0x000000000738E000-memory.dmp

      Filesize

      568KB

    • memory/4968-5-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4968-8-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

      Filesize

      4KB

    • memory/4968-3-0x0000000005820000-0x00000000058B2000-memory.dmp

      Filesize

      584KB

    • memory/4968-9-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4968-48-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4968-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

      Filesize

      5.6MB

    • memory/4968-1-0x0000000000D70000-0x0000000000E2E000-memory.dmp

      Filesize

      760KB