Resubmissions

07/08/2023, 19:00

230807-xnsecaad4s 10

29/06/2023, 17:04

230629-vljy3sec74 10

Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    07/08/2023, 19:00

General

  • Target

    RbxCheats.exe

  • Size

    217KB

  • MD5

    84fe5aaf9d71e59205c851af53d6a1c7

  • SHA1

    1b93e136c567dce28cccd900a02b694d9f488d86

  • SHA256

    81046d6d4e474115dd898d8e4718bc2ba144928461baa26e23f26d73d8e3f2f7

  • SHA512

    db3bfcbccd1b6e22754fd40841f2b2f0d229852879ab1c10e214d8185e5c29f8a8d3e318182c80a2887cf77f7e59aa3e95088b2901eb96720afd9e4f7d775a2d

  • SSDEEP

    3072:WlP/chtWkOIGSAvD6vdnsUSaNZZDOAuIXk0IIIIIIEIIIIIIIIIIIlTIIIIIIIII:OcyHIGadsUSsZDO7+8eNHpDS

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 55 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RbxCheats.exe
    "C:\Users\Admin\AppData\Local\Temp\RbxCheats.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RbxCheats.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1952
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
        PID:1644
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1080
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic" path win32_VideoController get name
        2⤵
        • Detects videocard installed
        PID:1688
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      aa42b61ddb7f80f9f4b69050a53bd8d9

      SHA1

      25269901ecadebcbc551538b53e6a73963b23767

      SHA256

      8dee81cfa9d8515edd0d9670f9971dbbe8c0ee293fb0ed4d6dcd79c9d95615f6

      SHA512

      f9378b2bd3064e0a21d79f10c246087540400b9dd48a212a782c1e0026ef9454dda2849547d92fbbc14fa075552fc9e421bfb83f4fb0c85862decaacdd9137dc

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      aa42b61ddb7f80f9f4b69050a53bd8d9

      SHA1

      25269901ecadebcbc551538b53e6a73963b23767

      SHA256

      8dee81cfa9d8515edd0d9670f9971dbbe8c0ee293fb0ed4d6dcd79c9d95615f6

      SHA512

      f9378b2bd3064e0a21d79f10c246087540400b9dd48a212a782c1e0026ef9454dda2849547d92fbbc14fa075552fc9e421bfb83f4fb0c85862decaacdd9137dc

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      aa42b61ddb7f80f9f4b69050a53bd8d9

      SHA1

      25269901ecadebcbc551538b53e6a73963b23767

      SHA256

      8dee81cfa9d8515edd0d9670f9971dbbe8c0ee293fb0ed4d6dcd79c9d95615f6

      SHA512

      f9378b2bd3064e0a21d79f10c246087540400b9dd48a212a782c1e0026ef9454dda2849547d92fbbc14fa075552fc9e421bfb83f4fb0c85862decaacdd9137dc

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      aa42b61ddb7f80f9f4b69050a53bd8d9

      SHA1

      25269901ecadebcbc551538b53e6a73963b23767

      SHA256

      8dee81cfa9d8515edd0d9670f9971dbbe8c0ee293fb0ed4d6dcd79c9d95615f6

      SHA512

      f9378b2bd3064e0a21d79f10c246087540400b9dd48a212a782c1e0026ef9454dda2849547d92fbbc14fa075552fc9e421bfb83f4fb0c85862decaacdd9137dc

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PH8Z2M3EY89U8GEPXUWL.temp

      Filesize

      7KB

      MD5

      aa42b61ddb7f80f9f4b69050a53bd8d9

      SHA1

      25269901ecadebcbc551538b53e6a73963b23767

      SHA256

      8dee81cfa9d8515edd0d9670f9971dbbe8c0ee293fb0ed4d6dcd79c9d95615f6

      SHA512

      f9378b2bd3064e0a21d79f10c246087540400b9dd48a212a782c1e0026ef9454dda2849547d92fbbc14fa075552fc9e421bfb83f4fb0c85862decaacdd9137dc

    • memory/892-144-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-138-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-106-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-137-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-134-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-143-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-127-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/892-105-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

    • memory/1080-136-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/1080-131-0x0000000002530000-0x00000000025B0000-memory.dmp

      Filesize

      512KB

    • memory/1080-130-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/1080-129-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/1080-128-0x0000000002510000-0x0000000002518000-memory.dmp

      Filesize

      32KB

    • memory/1080-132-0x0000000002530000-0x00000000025B0000-memory.dmp

      Filesize

      512KB

    • memory/1080-135-0x0000000002530000-0x00000000025B0000-memory.dmp

      Filesize

      512KB

    • memory/1080-133-0x0000000002530000-0x00000000025B0000-memory.dmp

      Filesize

      512KB

    • memory/1696-117-0x0000000002B30000-0x0000000002BB0000-memory.dmp

      Filesize

      512KB

    • memory/1696-118-0x000007FEED990000-0x000007FEEE32D000-memory.dmp

      Filesize

      9.6MB

    • memory/1696-116-0x0000000002B30000-0x0000000002BB0000-memory.dmp

      Filesize

      512KB

    • memory/1696-115-0x000007FEED990000-0x000007FEEE32D000-memory.dmp

      Filesize

      9.6MB

    • memory/1696-114-0x0000000002B30000-0x0000000002BB0000-memory.dmp

      Filesize

      512KB

    • memory/1696-113-0x000007FEED990000-0x000007FEEE32D000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-81-0x000007FEF6010000-0x000007FEF69FC000-memory.dmp

      Filesize

      9.9MB

    • memory/2072-97-0x000000001B1D0000-0x000000001B250000-memory.dmp

      Filesize

      512KB

    • memory/2072-54-0x0000000000B10000-0x0000000000B4C000-memory.dmp

      Filesize

      240KB

    • memory/2072-142-0x000007FEF6010000-0x000007FEF69FC000-memory.dmp

      Filesize

      9.9MB

    • memory/2072-56-0x000000001B1D0000-0x000000001B250000-memory.dmp

      Filesize

      512KB

    • memory/2072-55-0x000007FEF6010000-0x000007FEF69FC000-memory.dmp

      Filesize

      9.9MB

    • memory/2784-100-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2784-104-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2784-103-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/2784-102-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/2784-101-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/2784-99-0x0000000002A90000-0x0000000002B10000-memory.dmp

      Filesize

      512KB

    • memory/2784-98-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2840-68-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2840-62-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2840-61-0x000000001B350000-0x000000001B632000-memory.dmp

      Filesize

      2.9MB

    • memory/2840-66-0x0000000002A30000-0x0000000002AB0000-memory.dmp

      Filesize

      512KB

    • memory/2840-65-0x000007FEEE330000-0x000007FEEECCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2840-64-0x0000000002A30000-0x0000000002AB0000-memory.dmp

      Filesize

      512KB

    • memory/2840-63-0x00000000023A0000-0x00000000023A8000-memory.dmp

      Filesize

      32KB

    • memory/2840-67-0x0000000002A30000-0x0000000002AB0000-memory.dmp

      Filesize

      512KB

    • memory/2960-84-0x000007FEED990000-0x000007FEEE32D000-memory.dmp

      Filesize

      9.6MB

    • memory/2960-74-0x000000001B390000-0x000000001B672000-memory.dmp

      Filesize

      2.9MB

    • memory/2960-76-0x000007FEED990000-0x000007FEEE32D000-memory.dmp

      Filesize

      9.6MB

    • memory/2960-75-0x0000000002520000-0x0000000002528000-memory.dmp

      Filesize

      32KB

    • memory/2960-77-0x0000000002780000-0x0000000002800000-memory.dmp

      Filesize

      512KB

    • memory/2960-80-0x0000000002780000-0x0000000002800000-memory.dmp

      Filesize

      512KB

    • memory/2960-79-0x0000000002780000-0x0000000002800000-memory.dmp

      Filesize

      512KB

    • memory/2960-78-0x000007FEED990000-0x000007FEEE32D000-memory.dmp

      Filesize

      9.6MB

    • memory/2960-82-0x0000000002780000-0x0000000002800000-memory.dmp

      Filesize

      512KB

    • memory/2960-83-0x0000000002780000-0x0000000002800000-memory.dmp

      Filesize

      512KB