Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 23:54

General

  • Target

    9a3fbfc5e02d0821369fd7c346b343ad.exe

  • Size

    9KB

  • MD5

    9a3fbfc5e02d0821369fd7c346b343ad

  • SHA1

    4263a531054f66eaecb269e2f3475779d2971df3

  • SHA256

    638a0b8e278b877d4dfcebcee20554592fab6322f98a9afbf1e13d3b1f0be0af

  • SHA512

    b1d28d0d04eb5935ea483a57c2b6688d765846b98c718c7e94feed930e9189a1baea09daba25ac872e1dce6780d85b6166ed276acca1e22777e9b131e6cfe071

  • SSDEEP

    192:0eNsUWP5jHxGK20Spk2842DGKg0cUB30oiYVyE52y:AP5jRo0S9MGKg0cE0ov5r

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a3fbfc5e02d0821369fd7c346b343ad.exe
    "C:\Users\Admin\AppData\Local\Temp\9a3fbfc5e02d0821369fd7c346b343ad.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SysWOW64\z1462.exe
      "C:\Windows\system32\z1462.exe" C:\Users\Admin\AppData\Local\Temp\9a3fbfc5e02d0821369fd7c346b343ad.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2708 CREDAT:275457 /prefetch:2
          4⤵
          • Loads dropped DLL
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2720

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          fc18792185c0a11dd0eb7c1d2ee4369b

          SHA1

          eecc8316e01deb2534d422ddd7e0abdf1ec2d571

          SHA256

          5d4967fa3911754a647288ae9b98c8b1d2736581dfcd8c2118ac3e420d775ca7

          SHA512

          0b24ebab63a8dc955a280dd88bb13448c102abf70ff23e49215d72919a4640808389ff2169008d263f15015173070acbb8d48b664d54cc076c7448b907376249

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          3fc6b94ed0332894125049ae94bd694a

          SHA1

          0370d64adcbee37c9526f5806eb1b2a180f63e97

          SHA256

          bc084e5bbe2ee111d67a97bfa5121d1ece397b92dbf27baaa0d0f9164965ec44

          SHA512

          e8ea1c18d07814d3b080469eb0c4a61f9e663f291680815197fe21a405cd90f6ba42b9e3efbfae947d0ebf372e3c50da0836a3cd31d8c6f163602b4659f37515

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          3027c76c2da513fc67965316d7591839

          SHA1

          4a2325987bc2c0783fb795a6a7c4e0fedc41b8fe

          SHA256

          0b87656fc32e44f10ade660e0d5f7c206e0f83bb887a19113a981479d95fb4e4

          SHA512

          3d70300ebb31df874bbc1ad8a894f43a47bce9a58f8b2bd1c170d072e038b4f4b07439f42e7bf4f8c49316c213cefdb208e17765d0d98d18e373341890e7d14a

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          324baf7efb919de93be9075027479506

          SHA1

          45a92088f1d42ce76629a10dc1dd38e249f280c6

          SHA256

          b64d2d8bc579dc8a4944a7975fb6c42a8cce6f0667867bdeb5970493798c91c9

          SHA512

          5e634793205818ddd81a18591983a2a998fb09e09dbd6159c6ed24e3d623eddad640df88c2bfed5d2c95dec05247b032edc7a0495dbe4ea9e815b7abbac63b9e

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          8ad5a989bbdd3284fd78fae5f95c958b

          SHA1

          8a1f3e5106d7071e288e0ccb992cf3e31367bc9f

          SHA256

          cca35a202cfa37eb8741a38a46cf5549d4747d99443e8825c7fd441ec0da794b

          SHA512

          e04b7d2513844464592bb3e17c61a88a4fe5247c1630497eb146f1ce5333483f4b7b679a0b63899a30d5f8a620011c4e1aa5e2fe376d613411a77247a24696fa

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          b0bf80a419b1666f2c85e41bc083f9d4

          SHA1

          7475781a218e271f94e5cc69e6c9c54d53d8f7c1

          SHA256

          548d507e82eaeead614e65bd081f7c05d4480431b3c2ab4e569214c92da6d84d

          SHA512

          5dca7dafd33d31da10c18c5d81dee3b9bcb21e2da7d83a2e5fa7f461d86c3b651a68a32c1a6ca52c806314bf249fd7318c2eaf71ec23ec56ba711bf2d48aaad7

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          d52d8d431b070e015dfabecbddbef795

          SHA1

          8d8d68159c2902639f526571a097e358234eb9d5

          SHA256

          8fa29ae0afef3be1071de2b1075f90c5f635a27f1924a07c33567db54c652bba

          SHA512

          eb3f42b21e16785c8a9b5391833df332fc1c40f68eb63e7be8c050d03b91ce85c8ad94604f7af8dc5ec57311704c39375df140e066db9a514889a754d1e0d472

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          14ba486c33014fd7384032fcb18230cc

          SHA1

          84733ea086ff3d02024fb98082057adfbc835c1f

          SHA256

          aa8f2e4356c9237889cc490588d98432bec5da504ed7e1b60de9a2fae7c96bc8

          SHA512

          5d225826db3e2e7a8934d4c74e5f928a69ba30e8ff99b393fc9ccc4ec1664f68509f8fc86b40423c1f3ce522d1d7683cae45faaf461a0e114395f74c57a5ee65

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          3d52aac085a92b6a3bef7db88bcc8b0d

          SHA1

          01d20c502840dc6a911b0273e774a0e5d553e673

          SHA256

          f16bd48256b9b1bb2bc9b0e684af611889dfb29f6c346ee83bf1b47755cc6634

          SHA512

          2249b8c77a4183d9e83555bde318c8226f29f351af26611243135ce16d6a03da5580a5032f7ca675e97e56f9a951f32bf9c597895085081ca6003107b3058b38

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          f3588c6b4a7a9f893e17b2eeb50e7e45

          SHA1

          1f45b26b7bf78169c41e461ca9766e3d110cad05

          SHA256

          9e3f4f03d1350dc8ea796e8e5e7da8c5b004cb89d15a003dc7885af31855196b

          SHA512

          65cb5d195d2fc32b94f8c73da440051333a26fb0d79de4bf32c17a4422e8983b3e994c060ee78c743059bd161c3c83f45173beefc475b1c7edda62798c34ed26

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          34084fae30dd0bb131a5fae1af34c293

          SHA1

          a731bca5408c5a4842ae589fcaa4393a31038c80

          SHA256

          3888e3dcddc383470b217f43f1972c4448409b0c4e53b5a3524c038c110ce995

          SHA512

          74a51da241606a1686bc13e35aa21865b2902bf422c73bc63ef78346ea0bcfa4ac9c2ecb64a789046230c27a353190cd2f21936c0b5bad208d76087d4561fd05

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          2daa438b774b7237f469271309739795

          SHA1

          43a8a8339552a12c29f9605838b3a7997958b421

          SHA256

          112500ef5575c9d467886a96f4004967d4249e98e9c0ccca2e86f4fc4cdd03cd

          SHA512

          b7345574c52fff6aa004a314f4d287552b7b881d8efe7e22fa64954d91ee0042ffeb4eb2a99d31706d04b8123a61831dbac108dfc56527a732d45d394c09eca1

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          5d842d34106430ccec1b867d402f3416

          SHA1

          1b0d5be26a484cadb09993f78db0a9457ddd78f8

          SHA256

          80bc27f6cfd617373ae55c6a4bc3581046e49b15876147c9a18155d6678a71ac

          SHA512

          47d24db6fa07f59d97ec26279809b407b2ada954f76d9e9fad635306357a70ee778af738dc6928c290f207ff99d181a2241a241b4dc298de997dffd79de18a5a

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          b27efa18b23342bf2f2c0738839c77c8

          SHA1

          6bb7780a1166a8bbbef5a19040c2527cb25f2355

          SHA256

          95344d5f3c7ee83761900617a0808e659dae5350b4fd1dcf8208dda981e8034f

          SHA512

          511e96c723b0015de0285e5288a0a4d686ef5e765ab1ed25f7c72fdf39658984870b8d93e5e3184ce7c1c42496f738896a9d38a52ef87638c96ef45796f6e2e6

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          b211ec72b9a65bb41cae77a4550a70c6

          SHA1

          6d6b5f7bfcd70966e10dc7dacdef15d941bde0ce

          SHA256

          3754ec47451d09f05c76af5d5af3097f8c0ce05cc01c6ef477bcd68472429762

          SHA512

          17dcff895002a2216ac7c4f56a337ded457e6d57ae0b4a5a9872c655163f72431515aacc48a628ad12f924b1b9de35480a232724e52fa143641991afadb36f5c

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          e4350ed966b5658d0cb513c77393ccae

          SHA1

          3955ab33a38236df8e9fbfdc56618c23966b92a7

          SHA256

          8a33cd5c66f65a53d6413376c6ff9a94794f2919baba8252880ac53642a83d14

          SHA512

          576d6c45c8317cf194063b32be212c6be30868c2fe973e71264c4fe4740544414ade83eda3798dd709ec7a238efbe9b7f2d44fb26d32d3acaa672ab0d9bb7ff2

        • C:\Users\Admin\AppData\Local\Temp\Cab9C12.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar9D20.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • \Windows\SysWOW64\z1462.exe

          Filesize

          9KB

          MD5

          9a3fbfc5e02d0821369fd7c346b343ad

          SHA1

          4263a531054f66eaecb269e2f3475779d2971df3

          SHA256

          638a0b8e278b877d4dfcebcee20554592fab6322f98a9afbf1e13d3b1f0be0af

          SHA512

          b1d28d0d04eb5935ea483a57c2b6688d765846b98c718c7e94feed930e9189a1baea09daba25ac872e1dce6780d85b6166ed276acca1e22777e9b131e6cfe071

        • \Windows\SysWOW64\z3226.dll

          Filesize

          20KB

          MD5

          62d2087d6cc0b95a23ff34b7a4d1e25d

          SHA1

          355ade49790486576a51dfe7ac4267ee6c647a23

          SHA256

          d1f216d36f66511c1b87a206226bda9519b0be9ca6db89ddd2ec1f9146adceed

          SHA512

          c0c9f37aa4a34cbe220a08a4e85989ef5db918907be962f3698b04dd77207b2a7c3482574ec7dfbf4bb67e35227547e0cb4d57c7b8b7a6dde39abb9076c2e29e

        • memory/2112-17-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2224-1-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2224-450-0x00000000024F0000-0x00000000024FF000-memory.dmp

          Filesize

          60KB

        • memory/2224-4-0x00000000024F0000-0x00000000024FF000-memory.dmp

          Filesize

          60KB

        • memory/2224-14-0x00000000024F0000-0x00000000024FF000-memory.dmp

          Filesize

          60KB