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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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

  • Executes dropped EXE 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3484
      • 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:1528
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a375C.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2412
          • C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe
            "C:\Users\Admin\AppData\Local\Temp\747fef3108122d57f102937ff809001ae2cfadbb16632340fce716d2399df8b1.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1332
        • 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:4292
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:660
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2520

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

        Filesize

        571KB

        MD5

        98d0fbd28c3f5dd1aaa9d950ed77d120

        SHA1

        955ebe56d4c059a42de70ba95a2946a5fdcac589

        SHA256

        0500db2c15a2f3564b9d759a3c9f273a20712ce8d262ece971854d1f2dcfb76e

        SHA512

        7234629bc2ff1f561e76cc8f35557982b4db2438af12a3f2d571c9175f6e0539d08f59102afefad6e0477abaa3f4957502a5bf269db338c88fa81b6c2118bc21

      • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

        Filesize

        482KB

        MD5

        ef2faa6fbcf12b63da1cf3e9283ad1cf

        SHA1

        2032ddc0f6ed9560583f70a279ca858b1e746409

        SHA256

        2c7657fe57ec426599ef848815689264720ffed5a0f9a5d33d07cafabeb43bf3

        SHA512

        46b169f4142d45197207d0015119145c12eb01150c6b742c5f3792b01d2e23bda9e25e181144f4b9963eefcff7ccb9d37fad4d27b044753325ceeaea330fa00b

      • C:\Users\Admin\AppData\Local\Temp\$$a375C.bat

        Filesize

        722B

        MD5

        94f077d00e4bae4d5b3d579f7ba5ffef

        SHA1

        928763ae5af840f1ab1cdecb50268e9eb9f6a15c

        SHA256

        f2b2d06d6b1109598dd1c6738c6c5b7a2beee45ca52706e02618089333e24e52

        SHA512

        00fe7f486872f84e866ca83a8e7bcda4a52805e4e5de574c832237c7184c3db83fea9a08108bcc8340945ba0aeb2458f890d91695dc87a0283de7cdc86fe8bae

      • 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-1-5-21-566096764-1992588923-1249862864-1000\_desktop.ini

        Filesize

        9B

        MD5

        95b3e5fe04e8423c49a7f69a5d13771f

        SHA1

        615b63fb8bf07dbb0565ffd492067309645064c9

        SHA256

        1663db9b496c87701f6c8f6721e92994ffdd747f949ab1070fd844c4d63fb916

        SHA512

        d9a0d342e84c32d4c0aee97be7b9a102963d1aeab7edd87b080548f7dd144d851c558e6706bec441534d8e188938655c2b551e358d342309677511404a34ce81

      • memory/1528-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1528-8-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-37-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-32-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-41-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-10-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-1008-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-1175-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-2082-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-26-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-4742-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4292-19-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB