Analysis

  • max time kernel
    124s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 11:59

General

  • Target

    RFQ.scr.exe

  • Size

    1.1MB

  • MD5

    f30993e7984ac60c08d69710eaae6ef4

  • SHA1

    5caad7257cb88084ac77915bc6247450fdd7faf1

  • SHA256

    c8d717bc9d9c2bd335a79ac5e189d98f36fcd7ab0c62475a7aa7da5fd5ae75d1

  • SHA512

    c2a9353e6cf3ceb641dc4d4f68917d9d55a23cb8ca1cbc9f6c9ba9492cfb8fc7a8cbcc9a389ad877244afc15fec03204cd747b9a3e073b70a24776143a25bd74

  • SSDEEP

    24576:HEMpzxW67lClGVT2tpH3tJBmqzzz2LA5BEHgeCr0Mn0P6:jWAl/2ndJbzL/EHgtr4C

Malware Config

Signatures

  • 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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 42 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.scr.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:3916
    • 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\RFQ.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:956
    • C:\Users\Admin\AppData\Local\Temp\RFQ.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ.scr.exe"
      2⤵
        PID:3548
      • C:\Users\Admin\AppData\Local\Temp\RFQ.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ.scr.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:4736
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'RFQ.scr';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'RFQ.scr' -Value '"C:\Users\Admin\AppData\Roaming\RFQ.scr.exe"' -PropertyType 'String'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5700

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ.scr.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\Microsoft\Windows\PowerShell\ModuleAnalysisCache

      Filesize

      53KB

      MD5

      124edf3ad57549a6e475f3bc4e6cfe51

      SHA1

      80f5187eeebb4a304e9caa0ce66fcd78c113d634

      SHA256

      638c51e173ca6b3469494a7e2e0b656021a761f77b4a83f3e430e82e7b9af675

      SHA512

      b6c1a9051feeffad54ba1092fd799d34a9578368d7e66b31780fe478c1def0eb4094dce2879003f7389f2f9d86b94a3ef3975e78092a604597841c9b8db120ee

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      c942888faa96268aae37fbdc285f79f0

      SHA1

      bec149b6aa12da035e78e0203c069cd03c3a4ca5

      SHA256

      cb45a3dc68287f1148c83037c79d02942817510bf2ea87b5efaa51af65f337a3

      SHA512

      d2afca6ac660dce6feebf07b8cf198989b03f648379151827220cd1a5b17535c3bf030a007ba27b45f0167770a0e135acbb0cfa8d1c0bb97234f20f41983763b

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbwdiqfz.wnp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/956-3981-0x00000000074C0000-0x00000000074D4000-memory.dmp

      Filesize

      80KB

    • memory/956-2929-0x0000000007480000-0x0000000007491000-memory.dmp

      Filesize

      68KB

    • memory/956-68-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/956-207-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/956-310-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/956-313-0x0000000005190000-0x00000000051F6000-memory.dmp

      Filesize

      408KB

    • memory/956-323-0x0000000005A80000-0x0000000005DD4000-memory.dmp

      Filesize

      3.3MB

    • memory/956-324-0x0000000005F50000-0x0000000005F6E000-memory.dmp

      Filesize

      120KB

    • memory/956-325-0x0000000006000000-0x000000000604C000-memory.dmp

      Filesize

      304KB

    • memory/956-35-0x0000000005450000-0x0000000005A78000-memory.dmp

      Filesize

      6.2MB

    • memory/956-7961-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/956-17-0x0000000002660000-0x0000000002696000-memory.dmp

      Filesize

      216KB

    • memory/956-312-0x0000000005120000-0x0000000005186000-memory.dmp

      Filesize

      408KB

    • memory/956-5876-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/956-4987-0x00000000075A0000-0x00000000075A8000-memory.dmp

      Filesize

      32KB

    • memory/956-5204-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/956-4326-0x00000000075C0000-0x00000000075DA000-memory.dmp

      Filesize

      104KB

    • memory/956-311-0x0000000005080000-0x00000000050A2000-memory.dmp

      Filesize

      136KB

    • memory/956-3425-0x00000000074B0000-0x00000000074BE000-memory.dmp

      Filesize

      56KB

    • memory/956-2922-0x0000000006FB0000-0x0000000007053000-memory.dmp

      Filesize

      652KB

    • memory/956-2928-0x0000000007500000-0x0000000007596000-memory.dmp

      Filesize

      600KB

    • memory/956-2927-0x00000000072F0000-0x00000000072FA000-memory.dmp

      Filesize

      40KB

    • memory/956-2926-0x0000000007280000-0x000000000729A000-memory.dmp

      Filesize

      104KB

    • memory/956-2925-0x00000000078E0000-0x0000000007F5A000-memory.dmp

      Filesize

      6.5MB

    • memory/956-2910-0x0000000006510000-0x0000000006542000-memory.dmp

      Filesize

      200KB

    • memory/956-2911-0x00000000718F0000-0x000000007193C000-memory.dmp

      Filesize

      304KB

    • memory/956-2921-0x0000000006550000-0x000000000656E000-memory.dmp

      Filesize

      120KB

    • memory/3916-6-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

      Filesize

      624KB

    • memory/3916-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

      Filesize

      4KB

    • memory/3916-15-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3916-3-0x00000000058A0000-0x0000000005932000-memory.dmp

      Filesize

      584KB

    • memory/3916-4-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-5-0x0000000005830000-0x000000000583A000-memory.dmp

      Filesize

      40KB

    • memory/3916-1-0x0000000000D20000-0x0000000000E40000-memory.dmp

      Filesize

      1.1MB

    • memory/3916-10-0x0000000005D20000-0x0000000005DD4000-memory.dmp

      Filesize

      720KB

    • memory/3916-9-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/3916-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

      Filesize

      4KB

    • memory/3916-7-0x0000000005870000-0x0000000005882000-memory.dmp

      Filesize

      72KB

    • memory/4736-80-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-47-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-77-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-74-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-72-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-70-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-67-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-82-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-30-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-32-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-19-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-20-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-22-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-26-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-28-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-34-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-37-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-39-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-41-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-43-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-45-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-2924-0x0000000005280000-0x00000000052CC000-memory.dmp

      Filesize

      304KB

    • memory/4736-2923-0x0000000005250000-0x000000000527C000-memory.dmp

      Filesize

      176KB

    • memory/4736-78-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-49-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-51-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-53-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-56-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-2930-0x0000000005640000-0x0000000005732000-memory.dmp

      Filesize

      968KB

    • memory/4736-57-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-59-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-61-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-4327-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4736-63-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-65-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-24-0x00000000050A0000-0x0000000005136000-memory.dmp

      Filesize

      600KB

    • memory/4736-18-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4736-7962-0x0000000006960000-0x0000000006972000-memory.dmp

      Filesize

      72KB

    • memory/4736-7963-0x00000000069D0000-0x0000000006A20000-memory.dmp

      Filesize

      320KB

    • memory/4736-16-0x00000000050A0000-0x000000000513C000-memory.dmp

      Filesize

      624KB

    • memory/4736-7966-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/4736-11-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/4736-14-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/5700-7978-0x00000000066D0000-0x000000000671C000-memory.dmp

      Filesize

      304KB

    • memory/5700-7976-0x0000000005CF0000-0x0000000006044000-memory.dmp

      Filesize

      3.3MB

    • memory/5700-7980-0x00000000074D0000-0x00000000074F2000-memory.dmp

      Filesize

      136KB