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Resubmissions

21/12/2024, 17:00

241221-vh4t3stpap 10

21/12/2024, 16:17

241221-trjptssqdl 10

Analysis

  • max time kernel
    598s
  • max time network
    589s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/12/2024, 17:00

General

  • Target

    gggg.exe

  • Size

    52KB

  • MD5

    fb6d592ff07d0e26a291b3e78c1ce139

  • SHA1

    e5e82e613372b0795f8347ac643e954f0c514df2

  • SHA256

    347586f7facf4ef5fcb456f6589d65cb3167a7fa4379740ff03b2c861d8cf364

  • SHA512

    5db5797fcb1a6c2cbd2e2f4aaf2a5fd47f693116583596292531b73a36eabc8517ee7bc1d8cb5a999f45a5ca91152f0b3a810ec00ce35c8283f02d1c5e287779

  • SSDEEP

    1536:2uu91TwSb2nth5csqQXb6HoTUdHN0QdH/:2uuDTwSb2tQsqwb6I4dtl9/

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:8808

10.59.25.45:8808

Mutex

KxaqMLMZrN62

Attributes
  • delay

    3

  • install

    true

  • install_file

    Maple.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 5 IoCs
  • 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gggg.exe
    "C:\Users\Admin\AppData\Local\Temp\gggg.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Maple" /tr '"C:\Users\Admin\AppData\Roaming\Maple.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3656
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Maple" /tr '"C:\Users\Admin\AppData\Roaming\Maple.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:436
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8760.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5048
      • C:\Users\Admin\AppData\Roaming\Maple.exe
        "C:\Users\Admin\AppData\Roaming\Maple.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1112
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault3edd2747h6b88h4596h81dfh130afe40638f
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x12c,0x130,0x134,0xfc,0x138,0x7ffab08846f8,0x7ffab0884708,0x7ffab0884718
      2⤵
        PID:3108
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,15130600351545634221,7499709520434050877,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
        2⤵
          PID:3888
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2108,15130600351545634221,7499709520434050877,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2308 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:404
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2108,15130600351545634221,7499709520434050877,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2828 /prefetch:8
          2⤵
            PID:4660
        • C:\Windows\System32\CompPkgSrv.exe
          C:\Windows\System32\CompPkgSrv.exe -Embedding
          1⤵
            PID:1336
          • C:\Windows\System32\CompPkgSrv.exe
            C:\Windows\System32\CompPkgSrv.exe -Embedding
            1⤵
              PID:1596
            • C:\Windows\SysWOW64\DllHost.exe
              C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
              1⤵
              • System Location Discovery: System Language Discovery
              PID:1292
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe /factory,{5BD95610-9434-43C2-886C-57852CC8A120} -Embedding
              1⤵
              • Modifies Internet Explorer settings
              • Modifies registry class
              PID:1724

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\7d14d900-8813-4fe4-a833-8e1d9f73667f.tmp

              Filesize

              8KB

              MD5

              52ac081bd1fcb8969cb82f4cb7ed6863

              SHA1

              cf77a1e9b64d630702b9a20a46d7c59887ad90b5

              SHA256

              6f4ad356eff681a6fd670642296f2252d26ed8b517045a567fd0e6230300033a

              SHA512

              5b1b55ba9b2e68e5157e364f426bdd8f940f129a3034ea40dde574b281624d9d9fb2aa840d2600482e2c0a4f46c7288ceb1cfe2300f8991f53df891e9ee45898

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

              Filesize

              152B

              MD5

              37f660dd4b6ddf23bc37f5c823d1c33a

              SHA1

              1c35538aa307a3e09d15519df6ace99674ae428b

              SHA256

              4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8

              SHA512

              807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

              Filesize

              5KB

              MD5

              c0940a59bf99979fee39622e2128ad26

              SHA1

              1afc96d70de350cfb55217c5ce0f62fd8a93ed9e

              SHA256

              5468de80e7ec9d65f3279c24fa6d75454a4895396bae24daca68b3ac560bed0a

              SHA512

              9ba63e829d2e72aeb5c5776a0fb26f7305677a317882880bf039d16f809da20447d72979f9e1b794b076564973a2ee412d5c90497a4672851482b75e9bf21391

            • C:\Users\Admin\AppData\Local\Temp\tmp8760.tmp.bat

              Filesize

              149B

              MD5

              77fa5f8bad80a133ab207311b763b9ef

              SHA1

              7e31c4c4d7291e27c0d1b234f31719e5f04e78db

              SHA256

              6da7b227acaebb03b08028ecc146a84ad7dbda23b59d71114659c30467075300

              SHA512

              fe5c512a6b918fcf1d79552175e94a3336593dd64c9883092d9951af4de5ed9f0fbd419cd9bd9e718035782bba5fd414ea4ac6c25a8ea2e58a6db3b047388fb1

            • C:\Users\Admin\AppData\Roaming\Maple.exe

              Filesize

              52KB

              MD5

              fb6d592ff07d0e26a291b3e78c1ce139

              SHA1

              e5e82e613372b0795f8347ac643e954f0c514df2

              SHA256

              347586f7facf4ef5fcb456f6589d65cb3167a7fa4379740ff03b2c861d8cf364

              SHA512

              5db5797fcb1a6c2cbd2e2f4aaf2a5fd47f693116583596292531b73a36eabc8517ee7bc1d8cb5a999f45a5ca91152f0b3a810ec00ce35c8283f02d1c5e287779

            • memory/1112-13-0x0000000074A40000-0x00000000751F0000-memory.dmp

              Filesize

              7.7MB

            • memory/1112-14-0x0000000074A40000-0x00000000751F0000-memory.dmp

              Filesize

              7.7MB

            • memory/2528-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

              Filesize

              7.7MB

            • memory/2528-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

              Filesize

              4KB

            • memory/2528-3-0x0000000005840000-0x00000000058DC000-memory.dmp

              Filesize

              624KB

            • memory/2528-2-0x0000000074AE0000-0x0000000075290000-memory.dmp

              Filesize

              7.7MB

            • memory/2528-1-0x0000000000DE0000-0x0000000000DF2000-memory.dmp

              Filesize

              72KB