Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 12:30

General

  • Target

    21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63.exe

  • Size

    370KB

  • MD5

    f41eca2de059fd987bc2506ab11e1e67

  • SHA1

    90b521dc3df97ad74294d52768df7f24d421d19c

  • SHA256

    21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63

  • SHA512

    29f5e378ad5aa54121f4f9c806165f6b1994921a0628b79876725fb1533923ede05ea7f21eb4f580559dba94799313e069ec95d9419d717beef1bb027bbcfba8

  • SSDEEP

    6144:y46tGdy2t4DREcMZ5vVCiiKrao9afJu3YYtWGaVoRiS6hxH5AgPaxA:y3N2+FuvVCiisao9Ii3aViKHye

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3420
      • C:\Users\Admin\AppData\Local\Temp\21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63.exe
        "C:\Users\Admin\AppData\Local\Temp\21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4428
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3608
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6F4F.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4544
          • C:\Users\Admin\AppData\Local\Temp\21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63.exe
            "C:\Users\Admin\AppData\Local\Temp\21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63.exe"
            4⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3592
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1176
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2512
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2376
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1800
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4684
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
      1⤵
        PID:1500
      • 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 --field-trial-handle=4272,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4208 /prefetch:8
        1⤵
          PID:3124

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

                Filesize

                251KB

                MD5

                f0ffb78b244367db6810ce9bf492504c

                SHA1

                eb1315c358576d7da18e9155a305e4f1bfda994b

                SHA256

                0a50841f7dec7062e2674b4521a52e4595b5e8640fec954854910d9291a7457f

                SHA512

                97dd1d97fab2cc99e3cd27e72843f03d849bee6949f80143c36e49830523f984b987a6a649517aa997797f0920bac3964e3bb4352bfe617e38934b914ba0c5b5

              • C:\Program Files\7-Zip\7z.exe

                Filesize

                577KB

                MD5

                73fb79a7c3b943aac9c3b3422e4bde5e

                SHA1

                76d0179f9aa8fb0dd4522e8be985039015e47f84

                SHA256

                cec42526e8122620d00aa459a6c0aed09b498d371f9609f0da3ffabb1bd7dc7b

                SHA512

                441178f80a6169b582db533a452c4a6dd55a982979bb8ea717209815998d9aad97a779cd0803633ade2b7b141b91106415ea058e80a9199a65ccc694a490526b

              • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

                Filesize

                643KB

                MD5

                d050665e659c92141fd75967324abbb9

                SHA1

                e46e74817f16de29105bd984629efff0a5a84489

                SHA256

                00f98615c07f81f148d5e7aa5136684f31e39553182087e42dfbb3dca31879ad

                SHA512

                91e101d08f3a68e8770b2ca1d7a41ab90b3563f05e4f1d1b59994a1c5aaeac9e3ff3eeda4bf178bd38ce706b1e5b306de2ba556bed4c754e82421bf20e047af1

              • C:\Users\Admin\AppData\Local\Temp\$$a6F4F.bat

                Filesize

                722B

                MD5

                67f4bfc09fbc42ee43176c84eac4ad6f

                SHA1

                5dd4ead5b1d97f88f71ca7f2e8184555bc9b099e

                SHA256

                912d7eb62550f39cde914f3301382ddfeb0d7a49326d1ac979537ac3687569dd

                SHA512

                e0a31973bc4d6c7104135e41b7e25916f4d7455911471f50b18de233f8c2a526739c80ae549e9be043f4b9a32171034ab1709ea2721353d65284a3f5c4fdf074

              • C:\Users\Admin\AppData\Local\Temp\21a501743218230bbea2df7d870e995bfab7e3f961a6acda96238925b026cf63.exe.exe

                Filesize

                337KB

                MD5

                383dcbf7e816408a7bcc0a2c41634356

                SHA1

                8179e5d4f88995a92110e4341be44335fa6636f6

                SHA256

                1a4bd956c34459258c85ca9c81dc547d2ef3e276c1f5d07f93902b4a8c74586e

                SHA512

                8b0b5015fc9100d58d73c1b331318f4568cf16529205b127c4ff473df95a8f0a52d5271cc4b66640630ed633449eccdf025166781b67834cc04d8ce23d79554a

              • C:\Windows\Logo1_.exe

                Filesize

                33KB

                MD5

                83e8fb4783b94b6aabff3203a25d1f0f

                SHA1

                a1f3950c7cb0bebc182695a34081d8d238dc276d

                SHA256

                1be4c5253dd76584a8eb966c6b6cd76cd452131660ee3d4ac7fad64d8241ac97

                SHA512

                37042f5517a418527235aedc23f2bd08b4b6fe25bcc115799f5707b1cde7b7ad9b0389a5a37173a8be331b3b7d8608b809da008466de3f7a9d6f4e7809ba5a6d

              • C:\Windows\system32\drivers\etc\hosts

                Filesize

                842B

                MD5

                6f4adf207ef402d9ef40c6aa52ffd245

                SHA1

                4b05b495619c643f02e278dede8f5b1392555a57

                SHA256

                d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

                SHA512

                a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

              • F:\$RECYCLE.BIN\S-1-5-21-2170637797-568393320-3232933035-1000\_desktop.ini

                Filesize

                8B

                MD5

                5d65d1288c9ecedfd5f28d17a01a30bc

                SHA1

                e5bb89b8ad5c73516abf7e3baeaf1855154381dc

                SHA256

                3501728ad227b52ce4d4f85ddd0e6d28dfa7acce977ae27f1e337be209825a5f

                SHA512

                6177ce001dd535382c3bae5e8c3cfda85d8d8b76b68bce10fa8e5e1e748fd1512a531ffc93fef1316f2c27d93b5b4a5b60a6391f0e131ccc5cc0a65c2755868e

              • memory/1176-20-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/1176-2424-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/1176-9-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/1176-9426-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/4252-0-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB

              • memory/4252-11-0x0000000000400000-0x000000000043E000-memory.dmp

                Filesize

                248KB