Analysis

  • max time kernel
    143s
  • max time network
    146s
  • 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, 05:57

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 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:3728
    • 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:3060
      • 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:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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_tanpexi2.bxl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2844-72-0x0000000077071000-0x0000000077191000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-73-0x00000000770F8000-0x00000000770F9000-memory.dmp

    Filesize

    4KB

  • memory/2844-101-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-100-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-99-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-98-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-97-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-96-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-95-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-94-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-93-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-92-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-88-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-87-0x0000000000400000-0x00000000005E4000-memory.dmp

    Filesize

    1.9MB

  • memory/2844-74-0x0000000077071000-0x0000000077191000-memory.dmp

    Filesize

    1.1MB

  • memory/3060-51-0x0000000007350000-0x000000000735A000-memory.dmp

    Filesize

    40KB

  • memory/3060-64-0x000000007376E000-0x000000007376F000-memory.dmp

    Filesize

    4KB

  • memory/3060-34-0x0000000008060000-0x00000000086DA000-memory.dmp

    Filesize

    6.5MB

  • memory/3060-36-0x000000006FBE0000-0x000000006FC2C000-memory.dmp

    Filesize

    304KB

  • memory/3060-35-0x00000000071E0000-0x0000000007212000-memory.dmp

    Filesize

    200KB

  • memory/3060-47-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-46-0x0000000007220000-0x000000000723E000-memory.dmp

    Filesize

    120KB

  • memory/3060-48-0x0000000007250000-0x00000000072F3000-memory.dmp

    Filesize

    652KB

  • memory/3060-49-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-50-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-31-0x0000000006DA0000-0x0000000006DC2000-memory.dmp

    Filesize

    136KB

  • memory/3060-52-0x0000000007370000-0x0000000007381000-memory.dmp

    Filesize

    68KB

  • memory/3060-53-0x00000000073B0000-0x00000000073BE000-memory.dmp

    Filesize

    56KB

  • memory/3060-54-0x00000000073C0000-0x00000000073D4000-memory.dmp

    Filesize

    80KB

  • memory/3060-55-0x0000000007B20000-0x0000000007B3A000-memory.dmp

    Filesize

    104KB

  • memory/3060-56-0x00000000073F0000-0x00000000073F8000-memory.dmp

    Filesize

    32KB

  • memory/3060-57-0x0000000007B80000-0x0000000007BAA000-memory.dmp

    Filesize

    168KB

  • memory/3060-58-0x0000000007BB0000-0x0000000007BD4000-memory.dmp

    Filesize

    144KB

  • memory/3060-59-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-61-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-63-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-32-0x0000000007430000-0x00000000079D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3060-65-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-66-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-67-0x00000000086E0000-0x000000000E2C8000-memory.dmp

    Filesize

    91.9MB

  • memory/3060-68-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-29-0x0000000006340000-0x00000000063D6000-memory.dmp

    Filesize

    600KB

  • memory/3060-30-0x00000000062E0000-0x00000000062FA000-memory.dmp

    Filesize

    104KB

  • memory/3060-28-0x0000000005E10000-0x0000000005E5C000-memory.dmp

    Filesize

    304KB

  • memory/3060-27-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

    Filesize

    120KB

  • memory/3060-26-0x00000000057B0000-0x0000000005B04000-memory.dmp

    Filesize

    3.3MB

  • memory/3060-15-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/3060-16-0x0000000005700000-0x0000000005766000-memory.dmp

    Filesize

    408KB

  • memory/3060-14-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

    Filesize

    136KB

  • memory/3060-13-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-12-0x0000000004EB0000-0x00000000054D8000-memory.dmp

    Filesize

    6.2MB

  • memory/3060-11-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-10-0x0000000004790000-0x00000000047C6000-memory.dmp

    Filesize

    216KB

  • memory/3060-9-0x000000007376E000-0x000000007376F000-memory.dmp

    Filesize

    4KB

  • memory/3060-69-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3060-71-0x0000000073760000-0x0000000073F10000-memory.dmp

    Filesize

    7.7MB