Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2025, 14:06

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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 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:4384
    • 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:4580
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
          PID:4704
        • C:\Windows\SysWOW64\msiexec.exe
          "C:\Windows\SysWOW64\msiexec.exe"
          3⤵
            PID:4160
          • C:\Windows\SysWOW64\msiexec.exe
            "C:\Windows\SysWOW64\msiexec.exe"
            3⤵
              PID:2276
            • C:\Windows\SysWOW64\msiexec.exe
              "C:\Windows\SysWOW64\msiexec.exe"
              3⤵
                PID:1028
              • C:\Windows\SysWOW64\msiexec.exe
                "C:\Windows\SysWOW64\msiexec.exe"
                3⤵
                  PID:1000
                • C:\Windows\SysWOW64\msiexec.exe
                  "C:\Windows\SysWOW64\msiexec.exe"
                  3⤵
                    PID:4372
                  • C:\Windows\SysWOW64\msiexec.exe
                    "C:\Windows\SysWOW64\msiexec.exe"
                    3⤵
                      PID:3688
                    • C:\Windows\SysWOW64\msiexec.exe
                      "C:\Windows\SysWOW64\msiexec.exe"
                      3⤵
                        PID:3784
                      • C:\Windows\SysWOW64\msiexec.exe
                        "C:\Windows\SysWOW64\msiexec.exe"
                        3⤵
                          PID:2532
                        • C:\Windows\SysWOW64\msiexec.exe
                          "C:\Windows\SysWOW64\msiexec.exe"
                          3⤵
                            PID:2184
                          • C:\Windows\SysWOW64\msiexec.exe
                            "C:\Windows\SysWOW64\msiexec.exe"
                            3⤵
                              PID:4916
                            • C:\Windows\SysWOW64\dxdiag.exe
                              "C:\Windows\SysWOW64\dxdiag.exe"
                              3⤵
                              • Suspicious use of NtCreateThreadExHideFromDebugger
                              • Suspicious use of NtSetInformationThreadHideFromDebugger
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of SetWindowsHookEx
                              PID:3284

                        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_cwupjt34.lxw.ps1

                          Filesize

                          60B

                          MD5

                          d17fe0a3f47be24a6453e9ef58c94641

                          SHA1

                          6ab83620379fc69f80c0242105ddffd7d98d5d9d

                          SHA256

                          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                          SHA512

                          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                        • memory/3284-92-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-95-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-94-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-96-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-93-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-97-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-91-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-90-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-89-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-88-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-85-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-83-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/3284-98-0x0000000000400000-0x00000000005E4000-memory.dmp

                          Filesize

                          1.9MB

                        • memory/4580-54-0x0000000008110000-0x000000000812A000-memory.dmp

                          Filesize

                          104KB

                        • memory/4580-62-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-36-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-35-0x00000000077E0000-0x0000000007812000-memory.dmp

                          Filesize

                          200KB

                        • memory/4580-37-0x0000000070310000-0x000000007035C000-memory.dmp

                          Filesize

                          304KB

                        • memory/4580-47-0x00000000077C0000-0x00000000077DE000-memory.dmp

                          Filesize

                          120KB

                        • memory/4580-48-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-49-0x0000000007830000-0x00000000078D3000-memory.dmp

                          Filesize

                          652KB

                        • memory/4580-50-0x0000000007950000-0x000000000795A000-memory.dmp

                          Filesize

                          40KB

                        • memory/4580-51-0x0000000007970000-0x0000000007981000-memory.dmp

                          Filesize

                          68KB

                        • memory/4580-52-0x00000000079B0000-0x00000000079BE000-memory.dmp

                          Filesize

                          56KB

                        • memory/4580-53-0x00000000080C0000-0x00000000080D4000-memory.dmp

                          Filesize

                          80KB

                        • memory/4580-9-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

                          Filesize

                          4KB

                        • memory/4580-55-0x00000000080E0000-0x00000000080E8000-memory.dmp

                          Filesize

                          32KB

                        • memory/4580-56-0x0000000008150000-0x000000000817A000-memory.dmp

                          Filesize

                          168KB

                        • memory/4580-57-0x0000000008180000-0x00000000081A4000-memory.dmp

                          Filesize

                          144KB

                        • memory/4580-58-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-60-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-32-0x00000000079D0000-0x0000000007F74000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/4580-34-0x0000000008600000-0x0000000008C7A000-memory.dmp

                          Filesize

                          6.5MB

                        • memory/4580-63-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

                          Filesize

                          4KB

                        • memory/4580-64-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-65-0x0000000008C80000-0x000000000E868000-memory.dmp

                          Filesize

                          91.9MB

                        • memory/4580-66-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-67-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-68-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-70-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-31-0x0000000006940000-0x0000000006962000-memory.dmp

                          Filesize

                          136KB

                        • memory/4580-30-0x00000000068F0000-0x000000000690A000-memory.dmp

                          Filesize

                          104KB

                        • memory/4580-29-0x0000000006990000-0x0000000006A26000-memory.dmp

                          Filesize

                          600KB

                        • memory/4580-28-0x0000000006410000-0x000000000645C000-memory.dmp

                          Filesize

                          304KB

                        • memory/4580-27-0x00000000063F0000-0x000000000640E000-memory.dmp

                          Filesize

                          120KB

                        • memory/4580-22-0x0000000005DA0000-0x00000000060F4000-memory.dmp

                          Filesize

                          3.3MB

                        • memory/4580-15-0x0000000005CC0000-0x0000000005D26000-memory.dmp

                          Filesize

                          408KB

                        • memory/4580-16-0x0000000005D30000-0x0000000005D96000-memory.dmp

                          Filesize

                          408KB

                        • memory/4580-14-0x00000000054A0000-0x00000000054C2000-memory.dmp

                          Filesize

                          136KB

                        • memory/4580-13-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-11-0x0000000005620000-0x0000000005C48000-memory.dmp

                          Filesize

                          6.2MB

                        • memory/4580-12-0x0000000073E90000-0x0000000074640000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4580-10-0x0000000002A30000-0x0000000002A66000-memory.dmp

                          Filesize

                          216KB