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Analysis

  • max time kernel
    594s
  • max time network
    600s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-04-2024 04:01

General

  • Target

    67d39d9194a79f2f1aa0585b8cbc3a38a651964d72469e27692a62038ae3b412.exe

  • Size

    1.9MB

  • MD5

    456dad1f25fefa40f70c152a706316bc

  • SHA1

    c741c8e32f1510c175c6d518401f3cf4d4f6d8da

  • SHA256

    67d39d9194a79f2f1aa0585b8cbc3a38a651964d72469e27692a62038ae3b412

  • SHA512

    e51d7f476d0b92cef1d2bc012f9436aead835642381241ba6d2dd149251a3ccc09b28e0be160e1e8f62aa6da79b935a6016700e31605895042c1fe61b4ca876f

  • SSDEEP

    49152:F/MBkUJZCcifDFu/6nEkqg1kka+dW0hWk9NQXNF+9uop3biUIgYcoP:FEBkmZofDFu/6nR6SW+woVBlR

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    shop.niemann-frey.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Dr232311

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    shop.niemann-frey.net
  • Port:
    21
  • Username:
    screv
  • Password:
    Dr232311

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    shop.niemann-frey.net
  • Port:
    21
  • Username:
    admin
  • Password:
    Dr232311

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    shop.niemann-frey.net
  • Port:
    21
  • Username:
    shop
  • Password:
    Dr232311

Signatures

  • UPX packed file 50 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67d39d9194a79f2f1aa0585b8cbc3a38a651964d72469e27692a62038ae3b412.exe
    "C:\Users\Admin\AppData\Local\Temp\67d39d9194a79f2f1aa0585b8cbc3a38a651964d72469e27692a62038ae3b412.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:600
    • C:\Users\Admin\AppData\Local\Temp\67d39d9194a79f2f1aa0585b8cbc3a38a651964d72469e27692a62038ae3b412.exe
      "C:\Users\Admin\AppData\Local\Temp\67d39d9194a79f2f1aa0585b8cbc3a38a651964d72469e27692a62038ae3b412.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:2920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 40656
        3⤵
        • Program crash
        PID:13492
  • C:\Windows\system32\WerFault.exe
    "C:\Windows\system32\WerFault.exe" -k -lc PoW32kWatchdog PoW32kWatchdog-20240409-0840.dm
    1⤵
      PID:13800

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Network Service Discovery

    1
    T1046

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus.tmp
      Filesize

      2.6MB

      MD5

      a7322c0ba805744c82137309ef062277

      SHA1

      a7e721160f91611ab399948951a5a5d514fde409

      SHA256

      c89a350f2a67be2729932bd4216a02d6b6217704c84a283e07012d442f6ccce5

      SHA512

      d087fe0866f89235d193a5e1de751b3b7601c53b92ecbd092a5ee238b191254130c8a61b48796e4de2f42d77644238e7613f1aa9be8435ffee023c9baeb4c7c5

    • C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new
      Filesize

      7.2MB

      MD5

      78ffbb9ac5a43f0af6ae6ab8e3be24a2

      SHA1

      a3956f2eaf0e42c202f4ca94bbdb8ee9698b54e0

      SHA256

      f5f25a56e754e2bee9ac2641756f9993c11aba0c3fff769f1b0dc19dedd3e7ab

      SHA512

      2ad5ad784c5cbc848d3b4419b29423282ace0afe44e57a8969f6e0557756daefe0d73d7e0d200870d190e304591a9806193bbcb77097e99ef37ee4a4234c4334

    • memory/600-3-0x0000000002420000-0x00000000025D7000-memory.dmp
      Filesize

      1.7MB

    • memory/600-2-0x00000000009B0000-0x0000000000B74000-memory.dmp
      Filesize

      1.8MB

    • memory/2920-1-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-5-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-6-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-7-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-8-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-9-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-22-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-39-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-40-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-44-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-45-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-46-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-47-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-48-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-51-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-55-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-54-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-62-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-57-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-59-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-56-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-53-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-52-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-49-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-71-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-63-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-68-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-60-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-65-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-83-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-70-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-80-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-76-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-85-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-92-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-102-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-100-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-99-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-98-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-91-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-90-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-86-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-95-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-94-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-93-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-88-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-87-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-75-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-73-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB

    • memory/2920-66-0x0000000000400000-0x0000000000848000-memory.dmp
      Filesize

      4.3MB