Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 10:18

General

  • Target

    b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36.exe

  • Size

    47KB

  • MD5

    35ad4a5df82a58e29516cc6cecfa7988

  • SHA1

    8839daf770de6a149ca22983450353f67c3ed009

  • SHA256

    b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36

  • SHA512

    f7cc0b34b0682e1f522f6723f5800968782f1c86f91f3c640779438c7609e2f468b51a114dbb9eb864ff68fe350ef73e97addd3fe1dad1b8f08c2cbc98f9f411

  • SSDEEP

    768:QioRJbj/O5RroZJ767395uINCjPZf44S6nCaexaNjWQ3655Kv1X/qY1MSd:QioRJbj/e+Zk77RNCLp44x6UHqaNrFd

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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3240
      • C:\Users\Admin\AppData\Local\Temp\b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36.exe
        "C:\Users\Admin\AppData\Local\Temp\b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:640
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4856
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD6.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1064
            • C:\Users\Admin\AppData\Local\Temp\b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36.exe
              "C:\Users\Admin\AppData\Local\Temp\b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36.exe"
              4⤵
              • Executes dropped EXE
              PID:1548
          • 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:2408
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1616
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:5052
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3660
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2492
          • 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=3688 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:496

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Credential Access

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Query Registry

            1
            T1012

            Peripheral Device Discovery

            1
            T1120

            System Information Discovery

            1
            T1082

            Collection

            Data from Local System

            1
            T1005

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
              Filesize

              258KB

              MD5

              087437b5d40197b39196f13de881a4c3

              SHA1

              1730cf453aae759eb6270bd4268270f99648019c

              SHA256

              64300550756f2872e5cc83e44b3a9e9a1fd48db40d70255244d7fea2d7188256

              SHA512

              9cf8e79721002615fd73b80ad843b5a36db0fab4adac9a9411800b0e506b25b61fdaf939ea2bb60291694abc50449afb4106e3af327971b89d926624c9d00ae0

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

              577KB

              MD5

              b18288af60b5a5145bcc8c16d5f876e0

              SHA1

              5997adbc3d70e593914f7084ce020739e8eb390c

              SHA256

              3d62454a3b6609ca8420823c9443f2cafb90aa55ad139681d86b7b124beaca3f

              SHA512

              83dd4b6c63bfc7bca51e9e7b58411c3b6cf8419db0356fbd1254f27fb6434e995f6a8fd9acf47a67a50d073d0a865c31adc42cdd4ee1589b5dd5913e8ffc555f

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

              488KB

              MD5

              85b76d0e0da4b34c0acc7abcd83d7150

              SHA1

              3c361c827353e87281950c2baef4ed7a24eee844

              SHA256

              a2beda607517ea941d193ff76cd746ba01dd55a62725874c59e93776cf3f3f53

              SHA512

              407a41a1fd8a4e24dbddbc624a50a94d101c541e9d73e5db4b1fa68fd2915c1cb92f6444fa8416429134b88610de31be620eaacda2b9a96e76182ca2323c3644

            • C:\Users\Admin\AppData\Local\Temp\$$aD6.bat
              Filesize

              720B

              MD5

              c0d2ff75186424903714c7f2e203aa48

              SHA1

              0234f493b6fec57ef8e9070f60a5fdb1be023195

              SHA256

              f002213517afbe609dad87b9644b4fd4e7d0e56f126898fd62805cf45820a5db

              SHA512

              4038f96901973d7a6e26216907ccca12593aaa1ed6a20996b25d564c41beda36d51c7acc42fe0e69323d239c03d7939805b27a0ad344e40c171f4a2783f9c9bd

            • C:\Users\Admin\AppData\Local\Temp\b914abf02bc3eed99579cc0fb1b4fff2f931fff9b839f5838fa5806591cd6a36.exe.exe
              Filesize

              14KB

              MD5

              ad782ffac62e14e2269bf1379bccbaae

              SHA1

              9539773b550e902a35764574a2be2d05bc0d8afc

              SHA256

              1c8a77db924ebeb952052334dc95add388700c02b073b07973cd8fe0a0a360b8

              SHA512

              a1e9d6316ffc55f4751090961733e98c93b2a391666ff50b50e9dea39783746e501d14127e7ee9343926976d7e3cd224f13736530354d8466ea995dab35c8dc2

            • C:\Windows\Logo1_.exe
              Filesize

              33KB

              MD5

              a51381d9a97c98438725ecee862236b3

              SHA1

              fab4fca7633bc7de56ad02bc5a8165e709e9f06b

              SHA256

              84aa7b7f5581336f4b54c55b70d17c1fb0460db983f55739d01d158eedee8668

              SHA512

              c70207ff04c9a65c2f06400b65ca7597d075743af5c62e02b625e4ed30289075fe314872bbbb6037833e1eb6d5b07c506392637e3122ef642e6afb544a0ee82e

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

              9B

              MD5

              31874817e0fb055be8d2c971c0e3bbde

              SHA1

              ee8a35d6a86cb6d13f354d67d912e194bb09c74b

              SHA256

              94de8b492bc2db9a9592f7c9433547eb7f80826ed67f48d2bb7e22db9d49f544

              SHA512

              55747c69ae50fa212576d095f60cf33b42e26789cf8c34fc5120a45b1988aae95f91d9e37cb17298c5ac5243b2e4c40e1d0e084ce7fe14bceb4ebb318c65c944

            • memory/648-11-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/648-0-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-323-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-1723-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-2468-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-9-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-5434-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-18-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-7543-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB

            • memory/2408-8817-0x0000000000400000-0x000000000043F000-memory.dmp
              Filesize

              252KB