Analysis

  • max time kernel
    152s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:15

General

  • Target

    bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe

  • Size

    400KB

  • MD5

    fe2ea6d5ba2e77e4f61c16b58586a93b

  • SHA1

    e7e0108d5531ca348be4522ec5e7371a824e8df5

  • SHA256

    bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59

  • SHA512

    6434cb760cba827d22795328d0bed5372a1844b19a44297e7c127f9a571752410906e2d08742daa322bc8b91e2da3b770d8ea1719e3ee501c6b3e1abba83698e

  • SSDEEP

    6144:mMawP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moHXG:mMadahVy41

Score
7/10

Malware Config

Signatures

  • 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 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3376
      • C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe
        "C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4412
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4992
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:5032
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aE753.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:732
            • C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe
              "C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe"
              4⤵
              • Executes dropped EXE
              PID:2704
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4548
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4364
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2484
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2124
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3516
          • 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=2808 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:3076

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

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

                    Filesize

                    584KB

                    MD5

                    20307acbf355d7d7204aea6d3b02a782

                    SHA1

                    2e2a1fabd856207be414b8717131d04581d6514a

                    SHA256

                    ebf6cdf9f57f2f50c05ade8511c8ea0e1b775891cea9e4fa081e58624e5b3007

                    SHA512

                    4b27b30e22ee94f23a82ceca0d0fc00970e25f654b9736d14b1b78d8e64039189f7d772351f1ace71a34d337b8e00994a238a8edc0bc25672af19a07d253fbaf

                  • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

                    Filesize

                    495KB

                    MD5

                    407d9e4c9bddf64762371463891b1006

                    SHA1

                    24b05da67f6d6a33807a74b43c728549a97ab7ba

                    SHA256

                    62816173c7319fdfd0ea73291bae772c6b116568b3ca2f71ae4268489ed29bb9

                    SHA512

                    7d74b2f03c6fef4d17b295e0541b8ab04d434918ef5c9bde4301b296cd1144fa2e6a0808297dbae38b9b232017e6fb457667e4fb3a655d02d9c4aee36aaae7ab

                  • C:\Users\Admin\AppData\Local\Temp\$$aE753.bat

                    Filesize

                    722B

                    MD5

                    789f9bfa4584d0b3ba086d5d71c34575

                    SHA1

                    ece19e5a9ae3185e4762b931b60a1b4716247959

                    SHA256

                    ee386e1ce6e8c027b3d529bd89e5ea7b6ee72d5da024b8144235998f9b7c8032

                    SHA512

                    dde47ae1c9c73705f3cd0c1e67d59692e211322c882800a3df65b3199d4596054ce9317461a8154de388afbd4e1faf648d0ea1f251b07ef55cdb15f0ac8f3678

                  • C:\Users\Admin\AppData\Local\Temp\bdfedddb96658d3a72de3f012316bbeec3bf557321a682ee73663ccc1c2a3c59.exe.exe

                    Filesize

                    360KB

                    MD5

                    5fbd45261a2de3bb42f489e825a9a935

                    SHA1

                    ff388f6e9efe651ec62c4152c1739783e7899293

                    SHA256

                    9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

                    SHA512

                    7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

                  • C:\Windows\Logo1_.exe

                    Filesize

                    40KB

                    MD5

                    341ec829f1445cfc22901ee3564a2407

                    SHA1

                    3b7d6d531808cf3d17f484d7984c5cbb2ae6d850

                    SHA256

                    f99b2ae8656781e1be65ad464d0472b39ca4fb48a31d9949ed12b0992390dc82

                    SHA512

                    1fd0ddca12d5b9cfc5ff6c5d3fb1bb5686a6a17e552f6af631ce019bd0f0fe194bd5770f96ad5af3226de91217c9715955d211145e373904b671cf75052da751

                  • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini

                    Filesize

                    9B

                    MD5

                    9d187c446579e70f430c5bb5556efc0c

                    SHA1

                    0379a56b3d4a9e75d426a088cd523d01929186b2

                    SHA256

                    544ddbeef004b81b45d0e94b3b745247127ea912498b2037a66e1b9e896ab85f

                    SHA512

                    6844cb10d0d40b145129edd38157ede9fdb8dacf2c8a0888c7478ff1d0346e5dfd451bb297aea18097330751ae7520761e4a51804b8fb60c19541b97c600ddbc

                  • memory/4412-1-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4412-12-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4412-0-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-97-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-18-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-257-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-427-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-569-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-1415-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-2393-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-5503-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-11-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-8335-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB

                  • memory/4548-8827-0x0000000000400000-0x000000000043F000-memory.dmp

                    Filesize

                    252KB