Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2025, 06:02

General

  • Target

    4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe

  • Size

    700KB

  • MD5

    ce25a78cb6991d5b684c6259f5bc2a87

  • SHA1

    49cafe104a00b61c9591a0c07f5896e7ce83bc66

  • SHA256

    4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7

  • SHA512

    e76af5d142303469a9918887f4565755e9813789a5b71c9f1f02524b1f3a46034550980c9552da0ae51ab3d2b2b7c987b0ef8dcbee37ad5457bcfcbcadc689b8

  • SSDEEP

    12288:qDGKUSd7xLweNT3wamtSkQOwGPLLgmHvfSghvpnJ4JrG/A/cEgAnRtekr2Q:2UeN3qt3pMm3PyJYqJRoQ

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Blocklisted process makes network request 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
    "C:\Users\Admin\AppData\Local\Temp\4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Lysters=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Helnode\mylohyoideus\opholdstidens\Pericenter.cya';$Kitchens=$Lysters.SubString(54802,3);.$Kitchens($Lysters)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3896
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
          PID:3012
        • C:\Windows\SysWOW64\msiexec.exe
          "C:\Windows\SysWOW64\msiexec.exe"
          3⤵
            PID:2304
          • C:\Windows\SysWOW64\msiexec.exe
            "C:\Windows\SysWOW64\msiexec.exe"
            3⤵
            • Blocklisted process makes network request
            • Suspicious use of NtCreateThreadExHideFromDebugger
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3180

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Helnode\mylohyoideus\opholdstidens\Pericenter.cya

        Filesize

        53KB

        MD5

        2d7a9b17a981757aeb3b8945b15bb897

        SHA1

        7c27d9e5ce5ec9dfc5f13985769ca91698980e2a

        SHA256

        7c7023149ea38184f67f040b8fac8f56804e7a84886678e7df8409354d3b0b7d

        SHA512

        83370533553f6f55c644fc3b203c1e7e3572c69bc570776f0fbe79c146174fdfd3a037cf54c943222fd07d72fb0ac466b9154753adf4c5314a91ebfdbd8b2efe

      • C:\Users\Admin\AppData\Local\Helnode\mylohyoideus\opholdstidens\sentimentalismes.Sca

        Filesize

        330KB

        MD5

        71f77172bb96d4d9468f775a6940df07

        SHA1

        3b06a98a8abe00ba343021d9bc7353dd7dbcafba

        SHA256

        2c15aac7dbcf007bfb79bc677aa5e24bd4644175a783620ad1b9c311fbfd45ee

        SHA512

        c909183573979d754684de6cb84a06642890e37ca969c9ecd8c40d1157befd39cdc05f3467ecd988db346168a28c14350ec8955a117eee53bd3f4fd923240529

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xdzluk3j.s0s.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/3180-98-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-96-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-102-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-100-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-99-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-103-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-97-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-101-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-95-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-94-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-90-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-89-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-76-0x0000000077121000-0x0000000077241000-memory.dmp

        Filesize

        1.1MB

      • memory/3180-104-0x0000000000400000-0x00000000005E4000-memory.dmp

        Filesize

        1.9MB

      • memory/3180-75-0x00000000771A8000-0x00000000771A9000-memory.dmp

        Filesize

        4KB

      • memory/3180-74-0x0000000077121000-0x0000000077241000-memory.dmp

        Filesize

        1.1MB

      • memory/3896-56-0x00000000076B0000-0x00000000076B8000-memory.dmp

        Filesize

        32KB

      • memory/3896-67-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-47-0x00000000073D0000-0x0000000007473000-memory.dmp

        Filesize

        652KB

      • memory/3896-48-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-49-0x00000000074D0000-0x00000000074DA000-memory.dmp

        Filesize

        40KB

      • memory/3896-50-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-51-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-52-0x0000000007630000-0x0000000007641000-memory.dmp

        Filesize

        68KB

      • memory/3896-53-0x0000000007670000-0x000000000767E000-memory.dmp

        Filesize

        56KB

      • memory/3896-54-0x0000000007680000-0x0000000007694000-memory.dmp

        Filesize

        80KB

      • memory/3896-55-0x00000000076E0000-0x00000000076FA000-memory.dmp

        Filesize

        104KB

      • memory/3896-9-0x000000007381E000-0x000000007381F000-memory.dmp

        Filesize

        4KB

      • memory/3896-57-0x0000000007720000-0x000000000774A000-memory.dmp

        Filesize

        168KB

      • memory/3896-58-0x0000000007750000-0x0000000007774000-memory.dmp

        Filesize

        144KB

      • memory/3896-59-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-61-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-35-0x0000000007360000-0x0000000007392000-memory.dmp

        Filesize

        200KB

      • memory/3896-63-0x000000007381E000-0x000000007381F000-memory.dmp

        Filesize

        4KB

      • memory/3896-64-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-65-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-66-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-46-0x00000000073A0000-0x00000000073BE000-memory.dmp

        Filesize

        120KB

      • memory/3896-69-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-68-0x0000000008A60000-0x000000000E648000-memory.dmp

        Filesize

        91.9MB

      • memory/3896-70-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-71-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-73-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-36-0x000000006FC90000-0x000000006FCDC000-memory.dmp

        Filesize

        304KB

      • memory/3896-34-0x00000000083E0000-0x0000000008A5A000-memory.dmp

        Filesize

        6.5MB

      • memory/3896-32-0x00000000077B0000-0x0000000007D54000-memory.dmp

        Filesize

        5.6MB

      • memory/3896-31-0x00000000064A0000-0x00000000064C2000-memory.dmp

        Filesize

        136KB

      • memory/3896-29-0x0000000006F20000-0x0000000006FB6000-memory.dmp

        Filesize

        600KB

      • memory/3896-30-0x0000000006480000-0x000000000649A000-memory.dmp

        Filesize

        104KB

      • memory/3896-28-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

        Filesize

        304KB

      • memory/3896-27-0x0000000005F50000-0x0000000005F6E000-memory.dmp

        Filesize

        120KB

      • memory/3896-26-0x00000000059B0000-0x0000000005D04000-memory.dmp

        Filesize

        3.3MB

      • memory/3896-14-0x0000000005090000-0x00000000050B2000-memory.dmp

        Filesize

        136KB

      • memory/3896-15-0x0000000005860000-0x00000000058C6000-memory.dmp

        Filesize

        408KB

      • memory/3896-16-0x0000000005940000-0x00000000059A6000-memory.dmp

        Filesize

        408KB

      • memory/3896-11-0x00000000050C0000-0x00000000056E8000-memory.dmp

        Filesize

        6.2MB

      • memory/3896-13-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-12-0x0000000073810000-0x0000000073FC0000-memory.dmp

        Filesize

        7.7MB

      • memory/3896-10-0x0000000002660000-0x0000000002696000-memory.dmp

        Filesize

        216KB