Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2024, 21:32

General

  • Target

    f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5.exe

  • Size

    369KB

  • MD5

    862fe618866681a6304be93eb5d739c8

  • SHA1

    06fef6e4bdeb4bde8efbf70c397381d5609129c6

  • SHA256

    f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5

  • SHA512

    39943da754b1291ed0b75222d1de83372e6a39154051e5a74ed65b087eabc778fe53167a55541ca09ab569217ca0ad43d807596620c120c3cdad0a65cdd0ae43

  • SSDEEP

    6144:2G5KOzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:2PmU66b5zhVymA/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:1204
      • C:\Users\Admin\AppData\Local\Temp\f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5.exe
        "C:\Users\Admin\AppData\Local\Temp\f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2936
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1808
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1828
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2118.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2924
            • C:\Users\Admin\AppData\Local\Temp\f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5.exe
              "C:\Users\Admin\AppData\Local\Temp\f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5.exe"
              4⤵
              • Executes dropped EXE
              PID:3020
          • 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:2604
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2840
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2628
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2764
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2536

          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

                  2e2680954b6907c2c067b143837bdb5c

                  SHA1

                  a8d99eb46a787e24b4b530be0e4c1a9756e48bbb

                  SHA256

                  708b327ea58dd84066404b37641d892bfa4593ba408651d947a8ad4406b635a6

                  SHA512

                  82563536b862cc901478c0d22c0783622b74d7cae8f0763dd1b9eb0b62713929bad122b88403283ffbab0194f55ba655e84ed800ce80f5945135538c1a59de7e

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

                  Filesize

                  478KB

                  MD5

                  5264aab343fc1f53c29d1065346d0010

                  SHA1

                  db43bc0b28b4ada0c5635db50fd0b64410ab76ad

                  SHA256

                  d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

                  SHA512

                  bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

                • C:\Users\Admin\AppData\Local\Temp\$$a2118.bat

                  Filesize

                  722B

                  MD5

                  f008de70bb7986f250a9548b8be706e8

                  SHA1

                  a15451b60fca082676acf182e07e975df0d1d1f3

                  SHA256

                  f87e03048b74493af0315b186dd08ed1123990f0f1a66e8cab4c3739fc3934ba

                  SHA512

                  fd6d4d1a3ac7261fb6c5e8b28f71c297d64997111b4c9a0622d432aa0a93ef95a15fa7f0b3e9cdf43914cc004edff05a222da67805b25a5632d4e154600e7b62

                • C:\Users\Admin\AppData\Local\Temp\f9d94a93242d795e3e6cf071b54ad416e555daf89ef914c36c602a90c0d324a5.exe.exe

                  Filesize

                  335KB

                  MD5

                  40ac62c087648ccc2c58dae066d34c98

                  SHA1

                  0e87efb6ddfe59e534ea9e829cad35be8563e5f7

                  SHA256

                  482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

                  SHA512

                  0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  522328a63deefd58df4a5c342b18d3a3

                  SHA1

                  0574e197a7f9c3c4314c86604ff9247f85718a1d

                  SHA256

                  6f2f3351e5a9f8113f36db38b56318faa848defdf733948cc636e18c0cefc06a

                  SHA512

                  30dddf759bc229be19068fdc916388d2e96568edec6e67f1ed767562498831707dbcd114fca750da6bf8ab7eaba10b8b92707c6a6cad622c99756ca1b48c9145

                • F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  0e9e05c07df1bfb27555d84deb706050

                  SHA1

                  48ebafcf728d66a097bc66ad41b73d7a757c1a0c

                  SHA256

                  8f1b205bcc3039e60fbcea0063608e012fd662abb41bba5469d530e2c305174d

                  SHA512

                  d88c9a9bdf6f386278ba86cf3523334eeb5e9efefa9776bc92bdffa41f0c4937e64a7b5f3821b324e13372fa662aa4fb028676f7ed0a73c989edabd490bd05f5

                • memory/1204-27-0x0000000002D40000-0x0000000002D41000-memory.dmp

                  Filesize

                  4KB

                • memory/2604-31-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2604-3000-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2604-18-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2604-4174-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2936-0-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2936-17-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB