Analysis

  • max time kernel
    146s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 03:27

General

  • Target

    RFQ-04-2025-N0 010-9223-613809.exe

  • Size

    1.2MB

  • MD5

    7be434447e850a24388a7a90f1f1c877

  • SHA1

    dddc1028e5615dceed9f66ba9f598e4da5b1984c

  • SHA256

    8cb7fc99d1b138e4ebab403634ae627a8b918f92c41621ec409f23cac2c36c90

  • SHA512

    b30da6300cb99fb2d2774670a45b1001ee458da1447daf0c3610fee3b3479a95ace9bfb162806f0922a76d7db9616c39604f881a7d363ad5992b434d955b2bd8

  • SSDEEP

    24576:Ru6J33O0c+JY5UZ+XC0kGso6FaH6NyUZqoGMCccPqSaH9WY:Du0c++OCvkGs9FaH6NWoGMCccPnhY

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.mailo.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Rosemary01@01@!!0404

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe"
        3⤵
          PID:1132
        • C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe
          "C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1168
          • C:\Windows\SysWOW64\svchost.exe
            "C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:1692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\aut56DA.tmp

      Filesize

      309KB

      MD5

      b312938367e98c7bdf3a2344568d21a4

      SHA1

      e2aaedd81589614e7c580664fecfd33470d0458b

      SHA256

      132a01b68621ab9bf0c3d1d21d2e4b865f09ccf7a803aaf704f9ce5467ef66e8

      SHA512

      fd98717b533877c3805c6fce859de5603613206bb677d5327a4ee409d20c158e0f0ffca073cf094cc25eca5a1cf677aba658d0cb9fda7bd7fe60490c9e173492

    • C:\Users\Admin\AppData\Local\Temp\myriopodous

      Filesize

      364KB

      MD5

      6837f33b21ed176bf5a507868f69f4ee

      SHA1

      89ed163cc742d125da289df303cbf2364634d242

      SHA256

      0954b30a40daa48e727799bae209a1b434a8710aedf0656070d20822734f6232

      SHA512

      d85e454e41cd5291f6e53ee41d0b16ec62738be37760b4f3afa8f6ced6b16a1a1ebb8acd89fc9a7008830e30b7bfc7c91065fbad3bb2b0b22e7389562bcd4ebf

    • C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe

      Filesize

      1.2MB

      MD5

      7be434447e850a24388a7a90f1f1c877

      SHA1

      dddc1028e5615dceed9f66ba9f598e4da5b1984c

      SHA256

      8cb7fc99d1b138e4ebab403634ae627a8b918f92c41621ec409f23cac2c36c90

      SHA512

      b30da6300cb99fb2d2774670a45b1001ee458da1447daf0c3610fee3b3479a95ace9bfb162806f0922a76d7db9616c39604f881a7d363ad5992b434d955b2bd8

    • memory/1168-28-0x0000000000D90000-0x0000000001190000-memory.dmp

      Filesize

      4.0MB

    • memory/1692-29-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/1692-31-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/1692-44-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/4636-6-0x0000000000F00000-0x0000000001300000-memory.dmp

      Filesize

      4.0MB

    • memory/4708-18-0x00000000018C0000-0x0000000001CC0000-memory.dmp

      Filesize

      4.0MB