Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 14:55

General

  • Target

    90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe

  • Size

    92KB

  • MD5

    5d8face1052ebfdc2d4f79fbb894029e

  • SHA1

    35585f9d75f973bd7e704bbedbee0b71d9daf3b9

  • SHA256

    90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e

  • SHA512

    6df52351cb91e1b88fe78ca820604b49d16335f440a32365220df0f153f8bb69285a8c4f6cb3c9e07dd8ebb6115d5b53e971ef1a710a4f5609d3ecc612d44bb4

  • SSDEEP

    1536:FNcx1aeg1vye1MRSryapmebn4ddJZeY86iLflLJYEIs67rxo:FNf9qe1ISGLK4ddJMY86ipmns6S

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:3512
      • C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe
        "C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2500
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1796
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a566D.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2240
            • C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe
              "C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe"
              4⤵
              • Executes dropped EXE
              PID:2848
          • 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:2568
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3784
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4276
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3700
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2540

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  258KB

                  MD5

                  25161eb204d86328bf9af51c9f0753b9

                  SHA1

                  b68529e2a928f8c5c424474eb69ceae0415d9c0c

                  SHA256

                  c600e7f71b7a59ba015142cb4411f8fd86e6888ed41e55298c21289c3a8ac315

                  SHA512

                  e7d13a41338fe1787b44feddd74dcccd200ce2f069766cabeb76b7cbe957ef22a41499a11229c94e06fd59462a6b824fa62d7d13cc362c7adf2f1e05c03de926

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

                  Filesize

                  577KB

                  MD5

                  aa34071fa5dbfd401e6f61600fbf2036

                  SHA1

                  6ca65290d7594b734ea78b19334246da6225901a

                  SHA256

                  d9511e71ab9efb9bdf2d021191d4d12dbe850b29557bef4d39b576a0ac505f45

                  SHA512

                  24304c7f52db95eadbab9b82039ddd87ef5a2a6b6a9b65656dc6cb9244da53fff2a6e92e093c1c45933f7c8ca9e88d4ef5b39264ab8da06900796fdf70d43c30

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

                  Filesize

                  643KB

                  MD5

                  b44d88035c8f330ab76a3c8aab5f6876

                  SHA1

                  df3e341ffc7bebbe46989ff64a262784661df20d

                  SHA256

                  28882f6beb154b76f9f6742689c7056d2fb482eb90f0c5935292cdd9f72f7e49

                  SHA512

                  2bca5a60d49de97529deaaab5c59ec572e66a87cbe2eeaf9e701cad8d364eacd03cc6b4fe31374bf3ad9f4a673b0a588347d6ed31a9e89e12081ed757400d8bb

                • C:\Users\Admin\AppData\Local\Temp\$$a566D.bat

                  Filesize

                  722B

                  MD5

                  eec831de67c542544272597e22a32640

                  SHA1

                  c9e707b21bc6e0afe869ad8fb06ec726c2668470

                  SHA256

                  ae119104f6ea545ed0d22fb1a97fd75ff031c1ebadc2c715d1d925e221326714

                  SHA512

                  d38b0fe2eae1fedf7746b48d3075850b628686244b44ad7868e25fb591004bbb640d6507762692f4559c21a74dbf685b61a59f55d28dcb1b4521723575b2e80f

                • C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe.exe

                  Filesize

                  59KB

                  MD5

                  dfc18f7068913dde25742b856788d7ca

                  SHA1

                  cbaa23f782c2ddcd7c9ff024fd0b096952a2b387

                  SHA256

                  ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf

                  SHA512

                  d0c7ec1dae41a803325b51c12490c355ed779d297daa35247889950491e52427810132f0829fc7ffa3022f1a106f4e4ba78ed612223395313a6f267e9ab24945

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  5a63f8e9068767deb1ccd980deb047fa

                  SHA1

                  9383b1103782394fbbee5705456e4f3600a86b66

                  SHA256

                  29de80ac5ca4f60d8fbdc59d956164370d31dd5d4504cf8fa97c29800eb7766c

                  SHA512

                  f42e3e5217dd13e7efa8092969e65f1b5eb1273d12685c90c5b3ca31e2a9502e12244111d555245e4f8505c0cdadfb7e73c565e2dcbd8fab568867957652b5bc

                • F:\$RECYCLE.BIN\S-1-5-21-2804150937-2146708401-419095071-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  fa1e1ef0fdda97877a13339b28fa95e5

                  SHA1

                  7e2cffca41118e7b2d62963bd940630b15b85653

                  SHA256

                  968b715c081472526487d60da8968e9b3bde2dac103f69beb3f6abe6ef7bc191

                  SHA512

                  3d55913a97aa89a7201342705640c1d031d19ad8aca4939219067f84e3fe118f47b4e388f490f69f605683d3854425c3de188f731886405474ae8e3d42c86f4f

                • memory/2472-8-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2472-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2568-10-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2568-5175-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2568-17-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2568-8693-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB