Resubmissions

12/04/2024, 14:24

240412-rq4mhabb4910

12/04/2024, 14:23

240412-rqj8vseb6x10

12/04/2024, 14:23

240412-rqhp2abb468

12/04/2024, 14:23

240412-rqhd9seb6w8

12/04/2024, 14:23

240412-rqgsqseb6v8

09/04/2024, 07:30

240409-jb97qsch3w10

09/04/2024, 07:30

240409-jb2wcshe8810

09/04/2024, 07:29

240409-jba3mscg9s10

09/04/2024, 07:28

240409-ja2h7she627

29/03/2024, 02:37

240329-c4jf6aga879

Analysis

  • max time kernel
    296s
  • max time network
    1807s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 07:30

General

  • Target
    bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
  • Size 1.9MB
  • Sample240409-jb97qsch3w
  • SHA256 bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    musicscore.co.kr

  • Port

    21

  • Password

    oh!08231108

Extracted

Credentials
  • Protocol

    ftp

  • Host

    musicscore.co.kr

  • Port

    21

  • Username

    ngsu58

  • Password

    oh!08231108

Signatures

  • Contacts a large (884) amount of remote hosts 1 TTPs

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

  • UPX packed file 54 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).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
    "C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe
      "C:\Users\Admin\AppData\Local\Temp\bee5a8794014d11323dfb0276e541a0ee9567f61521a1a885ade5ca2d87f36d8.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:2124
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4168 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3256
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1400 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:8692

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            cached-microdesc-consensus.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus.tmp
            • Size 2.6MB
            • SHA256 c89a350f2a67be2729932bd4216a02d6b6217704c84a283e07012d442f6ccce5
            • MD5 SHA1 SHA512 SSDEEP

            cached-microdescs.new

            • Path C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new
            • Size 8.3MB
            • SHA256 57c867a75e6a473f0e4335289c49a4e2a5788606e705b5da2e4d6cc627dd65c1
            • MD5 SHA1 SHA512 SSDEEP

            memory/2124-3-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-5-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-6-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-7-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-8-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-9-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-23-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-39-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-40-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-44-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-45-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-46-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-47-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-48-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-50-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-51-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-53-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-57-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-54-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-55-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-52-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-58-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-49-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-64-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-66-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-69-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-72-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-70-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-73-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-77-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-78-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-76-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-74-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-68-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-67-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-80-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-83-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-87-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-88-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-92-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-97-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-98-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-95-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-94-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-93-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-91-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-89-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-84-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-82-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-86-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-81-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-85-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-79-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2124-63-0x0000000000400000-0x0000000000848000-memory.dmp

            memory/2356-1-0x00000000025F0000-0x00000000027B6000-memory.dmp

            memory/2356-2-0x00000000027C0000-0x0000000002977000-memory.dmp