Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/04/2024, 14:12

General

  • Target

    747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe

  • Size

    957KB

  • MD5

    61faac4003ded5a5812e719de38bd630

  • SHA1

    e2f6e58b171f3773d80769f8b6996fac1941d9b2

  • SHA256

    747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1

  • SHA512

    0628dad76a15ee1c01147836dd852728cc5c99fa88d46286f1191c9f35a5f4724ac5fedbecdd32d27f068104f7a211300e1b23fecafd834b5ca38dcc3855af46

  • SSDEEP

    12288:ep7RKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:epEBpDRmi78gkPXlyo0G/jr

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe
        "C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aA60F.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1884
          • C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe
            "C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1680
        • 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:2236
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2820
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1744

      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

        252KB

        MD5

        b5c04d99eed307672a8deb8b7718a8aa

        SHA1

        9ce94d10b200241a594098c435d70dd3e6e89990

        SHA256

        08992cd838448e03e3ec818bd1ba776aef5b6f71ea4095d8ce504c3d02aa2de2

        SHA512

        a18954042f94b318fd04e86f7e4bf824d9fa5663515bca009baef55124937b8ed1c66a41e3afa76ad519058468daeb31555a14e339955cd81d68693547a80268

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

        Filesize

        472KB

        MD5

        88eb1bca8c399bc3f46e99cdde2f047e

        SHA1

        55fafbceb011e1af2edced978686a90971bd95f2

        SHA256

        42fd78c05bc240d4ded16ac974f17c336f6ae3a1814d548021c48a942cc30428

        SHA512

        149d4de0c024e25a13a7bb17471e6f48391d4f26b1c8388672320eed1c255f84219ad7b72bbebc531ae558d5192dd4bb6d0dddd6c65a45300c8e8348a4fb3728

      • C:\Users\Admin\AppData\Local\Temp\$$aA60F.bat

        Filesize

        722B

        MD5

        3899171c59778d7e530b9a6b0fbc8fb4

        SHA1

        c0ebaf555f28e642a00c0b6a6274731fd43761d4

        SHA256

        d21e6d7f5b64b3ab9b61ffd5f853400b04eb8ebf9843550535691673cba7716c

        SHA512

        9ee8f25adcf319754e079e83b7641708236df9039efcf88d7e4239e262a52063ecbce965737948e7020d2773ad2e34c89788da84c7b3b5ca389ff4bd5d39fcc5

      • C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe.exe

        Filesize

        930KB

        MD5

        30ac0b832d75598fb3ec37b6f2a8c86a

        SHA1

        6f47dbfd6ff36df7ba581a4cef024da527dc3046

        SHA256

        1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

        SHA512

        505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        b549a2d14ce574567c4fec243a27851c

        SHA1

        5822837482a62de07e8fd8ce12edd9d268512f28

        SHA256

        7bcd0400f099571362dc785b7497154974e1e8b79d455745fca8f68bc37327c7

        SHA512

        9458d2bafc896e4fa9be8b6a0144dd74eb5ffc34c1b883623b3985b5073893ccfd72e682a304b2f84f51675431fcbb7be7afa3eec30ed2bcf435c072b53fc9fe

      • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

        Filesize

        9B

        MD5

        95b3e5fe04e8423c49a7f69a5d13771f

        SHA1

        615b63fb8bf07dbb0565ffd492067309645064c9

        SHA256

        1663db9b496c87701f6c8f6721e92994ffdd747f949ab1070fd844c4d63fb916

        SHA512

        d9a0d342e84c32d4c0aee97be7b9a102963d1aeab7edd87b080548f7dd144d851c558e6706bec441534d8e188938655c2b551e358d342309677511404a34ce81

      • memory/1368-30-0x0000000002650000-0x0000000002651000-memory.dmp

        Filesize

        4KB

      • memory/1968-17-0x0000000000230000-0x0000000000265000-memory.dmp

        Filesize

        212KB

      • memory/1968-15-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1968-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-32-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-45-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-92-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-98-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-262-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-1851-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-39-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-3311-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2236-21-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB