Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 13:30

General

  • Target

    5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60.exe

  • Size

    375KB

  • MD5

    11dd82b7f6129f2aa9446357b7e047fd

  • SHA1

    fa43087090284f896f618e1679cd66d9028c6711

  • SHA256

    5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60

  • SHA512

    c3d9abf31c3cd3fbbcef5db2699e811798b930a2a073e042c00ae542c9c133789d4c2957076c5650432faffbc80b6d181725824c029a6f9391b0f1734b19c567

  • SSDEEP

    6144:k/KW+aezZzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:HW+aQU66b5zhVymA/XSRh

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:1224
      • C:\Users\Admin\AppData\Local\Temp\5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60.exe
        "C:\Users\Admin\AppData\Local\Temp\5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2180
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2360
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1D7F.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Users\Admin\AppData\Local\Temp\5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60.exe
              "C:\Users\Admin\AppData\Local\Temp\5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60.exe"
              4⤵
              • Executes dropped EXE
              PID:2188
          • 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:2704
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2716
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2864
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2720
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2580

          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

                  264KB

                  MD5

                  9dedb1a7eef99feed2af3fb8c73297b0

                  SHA1

                  fa03da28428dcfb50fce06b34745dbd9f1c31143

                  SHA256

                  1def99dc66bb41bb916f73bb75499d0a72900e77c0a62c85c475526384b89cd4

                  SHA512

                  b1994704303dc932cf601bf0bb4ffca7e49f317dc1f9194c79262aadb1ecc35ff9ce40518f4064a97d7893c0418216cc4ede0b4bf6c40e6891f12d5bf49d01d3

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

                  Filesize

                  484KB

                  MD5

                  edc9d968c214a944e019fad26d1a18a5

                  SHA1

                  28dacfbfe9840c27f5af05343af82338786b1f36

                  SHA256

                  b0f8dc8ea8e999b6c25e460e2f644f2ed41b2e481f57f5800de9c0c93c9ef275

                  SHA512

                  f381ea38921a0163ced1feb11a9748010b2bf76f8eaf66ae326e98eb5d5ff75bc4b4342b4d3acf27a5177393c5b05cf43bb007ceb1d7799498e8429c8efb86a7

                • C:\Users\Admin\AppData\Local\Temp\$$a1D7F.bat

                  Filesize

                  722B

                  MD5

                  1d2e6bd6393b63bf02b9e150a2dd8a1f

                  SHA1

                  1bb64ca45276212af0076f8a579aff9e74c1ef2f

                  SHA256

                  9d24243baebe5cbb2f65085e5d636be7e2e05f3967b3dca346377a37e76064a5

                  SHA512

                  9387f783baade885e6ae5230b682dd14d2d3b0ff5c9921a8e1c23136efc268c300d98d34e2c78b1632927aba9525b893d1d1ae42a365c56b83d0db7387950221

                • C:\Users\Admin\AppData\Local\Temp\5fd56261aab360ecd985cc23973185fd9026a80a46893cfcb8cc9ec8b2356c60.exe.exe

                  Filesize

                  335KB

                  MD5

                  40ac62c087648ccc2c58dae066d34c98

                  SHA1

                  0e87efb6ddfe59e534ea9e829cad35be8563e5f7

                  SHA256

                  482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

                  SHA512

                  0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

                • C:\Windows\Logo1_.exe

                  Filesize

                  39KB

                  MD5

                  a526b8c1dae7728e93d5ba5eeae7b353

                  SHA1

                  bb0c23e0b0a3cfa0ae52854c14e0adce7c439a33

                  SHA256

                  57253ef09f37588bafc2dd017b0ad6f27f5d6a6b526d5ca90bae19f25fcfe616

                  SHA512

                  4577203ad19ef23357f96091f8d621db5fb42ad4f6f2fdce68f3ec51fea248fbc38deb5d13865097d2c7cbca1db8ae9f18a42b6aac1fedc81a479d2ebbf20926

                • F:\$RECYCLE.BIN\S-1-5-21-3691908287-3775019229-3534252667-1000\_desktop.ini

                  Filesize

                  8B

                  MD5

                  af485d3db9f82d3e5bdc8c6d87fb742e

                  SHA1

                  f879c3dbd3d34e9789ff73896508bfbeabbf7468

                  SHA256

                  7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

                  SHA512

                  d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

                • memory/1224-29-0x0000000002510000-0x0000000002511000-memory.dmp

                  Filesize

                  4KB

                • memory/2204-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2204-19-0x0000000000280000-0x00000000002BD000-memory.dmp

                  Filesize

                  244KB

                • memory/2204-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2204-17-0x0000000000280000-0x00000000002BD000-memory.dmp

                  Filesize

                  244KB

                • memory/2704-20-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2704-33-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2704-3344-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2704-4176-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB