Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1100
      • 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:2908
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1840
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2584
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a18BE.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2496
            • C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe
              "C:\Users\Admin\AppData\Local\Temp\90c644aed39682aa57383b2b6a2c2f520212c09761f05cb9b7c79d36719c9f9e.exe"
              4⤵
              • Executes dropped EXE
              PID:2792
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • 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:2652
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2516
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2684
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2564
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2392

          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:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

                  Filesize

                  478KB

                  MD5

                  5700ba4e3909c1880d8210357d85dc81

                  SHA1

                  f24e2100cc3cee398eb116957faa839e69e73d0a

                  SHA256

                  853f0d42da7e7db96eda3ffc261acbf0ae35585311d8919f8cd87c2984c1e1bd

                  SHA512

                  e54dd8ba25b56287ef4c4f6d427df62f5dca49c5bf6095146c86cbfc35238506aa1015d0e470663392f5470e2cd7eed838e60c105183dbe51a496f75098e8c8c

                • C:\Users\Admin\AppData\Local\Temp\$$a18BE.bat

                  Filesize

                  722B

                  MD5

                  e75424874ba411f2e4c556f3f3df604e

                  SHA1

                  a682503e7da3b2dc330c9cc9c2a89e9f25047a63

                  SHA256

                  a4da8b4cbdacbee3b27ac210ca31c84f2bc8642e65d68215704189468fd9ef6b

                  SHA512

                  aeb0b7440c86ed9d9b88a8de6664a9ecfbe3cb20b2e25ea8d2873c46d7fdb97e0c6578ad9ea65d29b280918a6b6eb3c68ea042bf429155ef8474ef451a49cf3f

                • 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-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  fa1e1ef0fdda97877a13339b28fa95e5

                  SHA1

                  7e2cffca41118e7b2d62963bd940630b15b85653

                  SHA256

                  968b715c081472526487d60da8968e9b3bde2dac103f69beb3f6abe6ef7bc191

                  SHA512

                  3d55913a97aa89a7201342705640c1d031d19ad8aca4939219067f84e3fe118f47b4e388f490f69f605683d3854425c3de188f731886405474ae8e3d42c86f4f

                • memory/1100-27-0x0000000002590000-0x0000000002591000-memory.dmp

                  Filesize

                  4KB

                • memory/2652-30-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2652-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2652-3278-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2652-4101-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2908-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2908-17-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB