Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 06:30

General

  • Target

    Quote-00373.exe

  • Size

    826KB

  • MD5

    b1c84580b3ed9a6a92745469090ea1df

  • SHA1

    a093025ae4dc574b5ce7dd9525fafea003cac18f

  • SHA256

    f4908b84c29c8157e12f3e8beddefbf853631d93714642309a5ba80c258fdc33

  • SHA512

    4a424f4abb4fe2e65d45bde5acf91685f413ae53d52f0748d4368a653470c1159050db2ab72dbd7919929dcd07a497c22f19f3d96bfb35a058435106f56e19ef

  • SSDEEP

    24576:rUgP0YW8EiCguUre4h3Z6A/vo+K+Mw97SuGJc6z46:r30zcCm3xvoe97Su2c6E6

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote-00373.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote-00373.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:4228
    • 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\Quote-00373.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Dtfpkj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4764
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Dtfpkj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC85.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1944
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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\Temp\__PSScriptPolicyTest_e2sv3pv3.t55.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpDC85.tmp

      Filesize

      1KB

      MD5

      1ab416aaed64ba003c9a39ccf7acb428

      SHA1

      ebbd18e62d63b1bc24b0a1381cf07f138867f67a

      SHA256

      7c04a5532209002f36ca79bd51057d7c3f6b30dc100b0bebe498deed6ae25af4

      SHA512

      20e4e50afd4fe499e6ecf988eb7901ff6819f874626677ab73000cb60c70a88a1ee3d139c0634ac839a5fafeac9ea5666f33f34a3a503bb6bed0feaad9520c18

    • memory/1312-44-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/1312-46-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/3736-15-0x00000000024C0000-0x00000000024F6000-memory.dmp

      Filesize

      216KB

    • memory/3736-33-0x0000000005800000-0x0000000005B54000-memory.dmp

      Filesize

      3.3MB

    • memory/3736-77-0x0000000007770000-0x0000000007DEA000-memory.dmp

      Filesize

      6.5MB

    • memory/3736-65-0x00000000063B0000-0x00000000063CE000-memory.dmp

      Filesize

      120KB

    • memory/3736-76-0x0000000006E20000-0x0000000006EC3000-memory.dmp

      Filesize

      652KB

    • memory/3736-83-0x0000000007360000-0x0000000007374000-memory.dmp

      Filesize

      80KB

    • memory/3736-54-0x0000000006DE0000-0x0000000006E12000-memory.dmp

      Filesize

      200KB

    • memory/3736-17-0x0000000004FE0000-0x0000000005608000-memory.dmp

      Filesize

      6.2MB

    • memory/3736-16-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/3736-18-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/3736-55-0x0000000075C20000-0x0000000075C6C000-memory.dmp

      Filesize

      304KB

    • memory/3736-20-0x0000000005680000-0x00000000056A2000-memory.dmp

      Filesize

      136KB

    • memory/3736-45-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/3736-21-0x0000000005720000-0x0000000005786000-memory.dmp

      Filesize

      408KB

    • memory/3736-90-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/3736-82-0x0000000007350000-0x000000000735E000-memory.dmp

      Filesize

      56KB

    • memory/3736-52-0x0000000005E00000-0x0000000005E1E000-memory.dmp

      Filesize

      120KB

    • memory/3736-53-0x0000000006290000-0x00000000062DC000-memory.dmp

      Filesize

      304KB

    • memory/3736-23-0x0000000005790000-0x00000000057F6000-memory.dmp

      Filesize

      408KB

    • memory/4228-1-0x0000000000220000-0x00000000002F4000-memory.dmp

      Filesize

      848KB

    • memory/4228-2-0x0000000005160000-0x0000000005704000-memory.dmp

      Filesize

      5.6MB

    • memory/4228-50-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/4228-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

      Filesize

      584KB

    • memory/4228-4-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

      Filesize

      40KB

    • memory/4228-6-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/4228-5-0x0000000004F80000-0x000000000501C000-memory.dmp

      Filesize

      624KB

    • memory/4228-0-0x000000007539E000-0x000000007539F000-memory.dmp

      Filesize

      4KB

    • memory/4228-10-0x0000000005FB0000-0x0000000006064000-memory.dmp

      Filesize

      720KB

    • memory/4228-9-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/4228-8-0x000000007539E000-0x000000007539F000-memory.dmp

      Filesize

      4KB

    • memory/4228-7-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

      Filesize

      72KB

    • memory/4764-43-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/4764-79-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

      Filesize

      40KB

    • memory/4764-80-0x00000000072E0000-0x0000000007376000-memory.dmp

      Filesize

      600KB

    • memory/4764-81-0x0000000007260000-0x0000000007271000-memory.dmp

      Filesize

      68KB

    • memory/4764-78-0x0000000006E50000-0x0000000006E6A000-memory.dmp

      Filesize

      104KB

    • memory/4764-66-0x0000000075C20000-0x0000000075C6C000-memory.dmp

      Filesize

      304KB

    • memory/4764-85-0x0000000007380000-0x0000000007388000-memory.dmp

      Filesize

      32KB

    • memory/4764-84-0x00000000073A0000-0x00000000073BA000-memory.dmp

      Filesize

      104KB

    • memory/4764-51-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/4764-89-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/4764-22-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB