Analysis

  • max time kernel
    92s
  • max time network
    132s
  • 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, 14:07

General

  • Target

    94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe

  • Size

    853KB

  • MD5

    a6ccb9255baee007cb4350101a2a8b2b

  • SHA1

    ff666e71f6c4e071f7c836de86eccf73f9717f54

  • SHA256

    94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79

  • SHA512

    6cca7e30834a342608940ae7a37d37934439b7607f6ab61177a6138aaee25d8a38632b2667ca48df6aa9780ea0338ccab151dca341baa9a8664adbc32d5302a4

  • SSDEEP

    24576:zbYU8Q9u4MqYY5xwXCv2lL/rCI3NHQF9hUI+T:zXZ9uXqDxzv2VrFi9hUtT

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    @StrFtpServer
  • Port:
    21
  • Username:
    @StrFtpUser
  • Password:
    @StrFtpPass

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • 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 20 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\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe
    "C:\Users\Admin\AppData\Local\Temp\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.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:2904
    • 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\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1052
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ECmmsbHOaKPh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECmmsbHOaKPh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp360F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3236
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:884
      • 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 use of SetWindowsHookEx
        PID:1784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      aa31514522ec5c0cb8c101feb3f77d56

      SHA1

      dc90c00a85574fbe59e660a2b1367832aefa1feb

      SHA256

      5f4459935b56fe7afc6aa48641e44c0e3ad38403e9be5bf2a91b8542481670f7

      SHA512

      6b3ac5968ef03eed4bb450996af3c9890524297be5b04dbb77b19b128e0efdec17bd167f94e0161b65807fc4e0c4b87a6a8571d0fb1aa9adc6b658453286aae1

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eh1ecemv.v2t.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp360F.tmp

      Filesize

      1KB

      MD5

      fbdd739b3e715d83163a8468abfda3bb

      SHA1

      aba76302657d281009554b1e3453572ec907ddf9

      SHA256

      3f4c4fa29a7f6a7119badd91f599dbe9322abd9b80a36afd8138a6cfc1d5148d

      SHA512

      13f3aeab256086903b12dcb56dcf742720ffe5cf1d3bba842a5910b1ed301b8e4f7a290cc8188b5d3995df0b035c04c34e69a47069ceb98843b4bf794d39aead

    • memory/1052-46-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-29-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

      Filesize

      120KB

    • memory/1052-12-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-13-0x0000000004F90000-0x00000000055B8000-memory.dmp

      Filesize

      6.2MB

    • memory/1052-50-0x0000000007380000-0x0000000007416000-memory.dmp

      Filesize

      600KB

    • memory/1052-58-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-55-0x0000000007420000-0x0000000007428000-memory.dmp

      Filesize

      32KB

    • memory/1052-17-0x0000000005670000-0x00000000056D6000-memory.dmp

      Filesize

      408KB

    • memory/1052-16-0x0000000004F20000-0x0000000004F86000-memory.dmp

      Filesize

      408KB

    • memory/1052-15-0x0000000004D00000-0x0000000004D22000-memory.dmp

      Filesize

      136KB

    • memory/1052-27-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-28-0x00000000057E0000-0x0000000005B34000-memory.dmp

      Filesize

      3.3MB

    • memory/1052-49-0x0000000007170000-0x000000000717A000-memory.dmp

      Filesize

      40KB

    • memory/1052-30-0x0000000006350000-0x000000000639C000-memory.dmp

      Filesize

      304KB

    • memory/1052-33-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-32-0x000000006FE80000-0x000000006FECC000-memory.dmp

      Filesize

      304KB

    • memory/1052-43-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

      Filesize

      120KB

    • memory/1052-31-0x00000000063A0000-0x00000000063D2000-memory.dmp

      Filesize

      200KB

    • memory/1052-44-0x0000000006DC0000-0x0000000006E63000-memory.dmp

      Filesize

      652KB

    • memory/1052-45-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-11-0x00000000047F0000-0x0000000004826000-memory.dmp

      Filesize

      216KB

    • memory/1052-48-0x0000000007100000-0x000000000711A000-memory.dmp

      Filesize

      104KB

    • memory/1052-54-0x0000000007440000-0x000000000745A000-memory.dmp

      Filesize

      104KB

    • memory/1052-47-0x0000000007740000-0x0000000007DBA000-memory.dmp

      Filesize

      6.5MB

    • memory/1052-14-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1052-51-0x0000000007300000-0x0000000007311000-memory.dmp

      Filesize

      68KB

    • memory/1052-52-0x0000000007330000-0x000000000733E000-memory.dmp

      Filesize

      56KB

    • memory/1052-53-0x0000000007340000-0x0000000007354000-memory.dmp

      Filesize

      80KB

    • memory/1784-74-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1784-77-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2904-0-0x000000007534E000-0x000000007534F000-memory.dmp

      Filesize

      4KB

    • memory/2904-7-0x000000007534E000-0x000000007534F000-memory.dmp

      Filesize

      4KB

    • memory/2904-2-0x0000000005250000-0x00000000057F4000-memory.dmp

      Filesize

      5.6MB

    • memory/2904-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp

      Filesize

      40KB

    • memory/2904-1-0x00000000000F0000-0x00000000001C8000-memory.dmp

      Filesize

      864KB

    • memory/2904-6-0x0000000006510000-0x000000000652E000-memory.dmp

      Filesize

      120KB

    • memory/2904-5-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-9-0x0000000002480000-0x0000000002524000-memory.dmp

      Filesize

      656KB

    • memory/2904-8-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-3-0x0000000004B90000-0x0000000004C22000-memory.dmp

      Filesize

      584KB

    • memory/2904-10-0x000000000C160000-0x000000000C1FC000-memory.dmp

      Filesize

      624KB

    • memory/2904-78-0x0000000075340000-0x0000000075AF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3384-83-0x0000000005C70000-0x0000000005CBC000-memory.dmp

      Filesize

      304KB

    • memory/3384-90-0x00000000719F0000-0x0000000071A3C000-memory.dmp

      Filesize

      304KB

    • memory/3384-100-0x0000000006E10000-0x0000000006EB3000-memory.dmp

      Filesize

      652KB

    • memory/3384-101-0x0000000007160000-0x0000000007171000-memory.dmp

      Filesize

      68KB

    • memory/3384-102-0x00000000071A0000-0x00000000071B4000-memory.dmp

      Filesize

      80KB