Analysis

  • max time kernel
    1194s
  • max time network
    1211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    08-07-2024 04:59

General

  • Target

    Tool/x64/fix1.exe

  • Size

    7.0MB

  • MD5

    150f7378fd18d19ecc002761fa112de5

  • SHA1

    a5ef247183d14dcd0d9b112306c1965c38720a1e

  • SHA256

    b3bfd7d408a13096897fe8cbaff158cb8ff34f6d2d2269b25a1a268daeef387c

  • SHA512

    dd3739f3e7736c6d6319dbf71346addfdab60d668c84b91d9c87bdf5ee7c6ea085b49a314c52338cb196cceb212067fdbf804da91d9f517a34e1b0978ceebb6d

  • SSDEEP

    196608:YrUXA1HeT39IigDvKub75bcjWgbkzf7AkjdW86:k1+TtIisvB5IjWqkzZ

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 16 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detects Pyinstaller 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Tool\x64\fix1.exe
    "C:\Users\Admin\AppData\Local\Temp\Tool\x64\fix1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\Tool\x64\fix1.exe
      "C:\Users\Admin\AppData\Local\Temp\Tool\x64\fix1.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\activate.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2956
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im "fix1.exe"
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4628
        • C:\Users\Admin\fix1.exe
          "fix1.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4600
          • C:\Users\Admin\fix1.exe
            "fix1.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            PID:3044
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=es --service-sandbox-type=asset_store_service --field-trial-handle=4256,i,16137636041123227657,6836372490512237287,262144 --variations-seed-version --mojo-platform-channel-handle=4268 /prefetch:8
    1⤵
      PID:116
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=es --service-sandbox-type=asset_store_service --field-trial-handle=4076,i,16137636041123227657,6836372490512237287,262144 --variations-seed-version --mojo-platform-channel-handle=4576 /prefetch:8
      1⤵
        PID:3500

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\VCRUNTIME140.dll

        Filesize

        116KB

        MD5

        be8dbe2dc77ebe7f88f910c61aec691a

        SHA1

        a19f08bb2b1c1de5bb61daf9f2304531321e0e40

        SHA256

        4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

        SHA512

        0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_bz2.pyd

        Filesize

        82KB

        MD5

        59d60a559c23202beb622021af29e8a9

        SHA1

        a405f23916833f1b882f37bdbba2dd799f93ea32

        SHA256

        706d4a0c26dd454538926cbb2ff6c64257c3d9bd48c956f7cabd6def36ffd13e

        SHA512

        2f60e79603cf456b2a14b8254cec75ce8be0a28d55a874d4fb23d92d63bbe781ed823ab0f4d13a23dc60c4df505cbf1dbe1a0a2049b02e4bdec8d374898002b1

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_ctypes.pyd

        Filesize

        122KB

        MD5

        2a834c3738742d45c0a06d40221cc588

        SHA1

        606705a593631d6767467fb38f9300d7cd04ab3e

        SHA256

        f20dfa748b878751ea1c4fe77a230d65212720652b99c4e5577bce461bbd9089

        SHA512

        924235a506ce4d635fa7c2b34e5d8e77eff73f963e58e29c6ef89db157bf7bab587678bb2120d09da70594926d82d87dbaa5d247e861e331cf591d45ea19a117

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_decimal.pyd

        Filesize

        246KB

        MD5

        f930b7550574446a015bc602d59b0948

        SHA1

        4ee6ff8019c6c540525bdd2790fc76385cdd6186

        SHA256

        3b9ad1d2bc9ec03d37da86135853dac73b3fe851b164fe52265564a81eb8c544

        SHA512

        10b864975945d6504433554f9ff11b47218caa00f809c6bce00f9e4089b862190a4219f659697a4ba5e5c21edbe1d8d325950921e09371acc4410469bd9189ee

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_hashlib.pyd

        Filesize

        64KB

        MD5

        b0262bd89a59a3699bfa75c4dcc3ee06

        SHA1

        eb658849c646a26572dea7f6bfc042cb62fb49dc

        SHA256

        4adfbbd6366d9b55d902fc54d2b42e7c8c989a83016ed707bd7a302fc3fc7b67

        SHA512

        2e4b214de3b306e3a16124af434ff8f5ab832aa3eeb1aa0aa9b49b0ada0928dcbb05c57909292fbe3b01126f4cd3fe0dac9cc15eaea5f3844d6e267865b9f7b1

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_lzma.pyd

        Filesize

        155KB

        MD5

        b71dbe0f137ffbda6c3a89d5bcbf1017

        SHA1

        a2e2bdc40fdb83cc625c5b5e8a336ca3f0c29c5f

        SHA256

        6216173194b29875e84963cd4dc4752f7ca9493f5b1fd7e4130ca0e411c8ac6a

        SHA512

        9a5c7b1e25d8e1b5738f01aedfd468c1837f1ac8dd4a5b1d24ce86dcae0db1c5b20f2ff4280960bc523aee70b71db54fd515047cdaf10d21a8bec3ebd6663358

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_socket.pyd

        Filesize

        81KB

        MD5

        9c6283cc17f9d86106b706ec4ea77356

        SHA1

        af4f2f52ce6122f340e5ea1f021f98b1ffd6d5b6

        SHA256

        5cc62aac52edf87916deb4ebbad9abb58a6a3565b32e7544f672aca305c38027

        SHA512

        11fd6f570dd78f8ff00be645e47472a96daffa3253e8bd29183bccde3f0746f7e436a106e9a68c57cc05b80a112365441d06cc719d51c906703b428a32c93124

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\_wmi.pyd

        Filesize

        35KB

        MD5

        c1654ebebfeeda425eade8b77ca96de5

        SHA1

        a4a150f1c810077b6e762f689c657227cc4fd257

        SHA256

        aa1443a715fbf84a84f39bd89707271fc11a77b597d7324ce86fc5cfa56a63a9

        SHA512

        21705b991e75efd5e59b8431a3b19ae5fcc38a3e7f137a9d52acd24e7f67d61758e48abc1c9c0d4314fa02010a1886c15ead5bca8dca1b1d4ccbfc3c589d342e

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\base_library.zip

        Filesize

        1.3MB

        MD5

        630153ac2b37b16b8c5b0dbb69a3b9d6

        SHA1

        f901cd701fe081489b45d18157b4a15c83943d9d

        SHA256

        ec4e6b8e9f6f1f4b525af72d3a6827807c7a81978cb03db5767028ebea283be2

        SHA512

        7e3a434c8df80d32e66036d831cbd6661641c0898bd0838a07038b460261bf25b72a626def06d0faa692caf64412ca699b1fa7a848fe9d969756e097cba39e41

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\libcrypto-3.dll

        Filesize

        5.0MB

        MD5

        e547cf6d296a88f5b1c352c116df7c0c

        SHA1

        cafa14e0367f7c13ad140fd556f10f320a039783

        SHA256

        05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de

        SHA512

        9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\libffi-8.dll

        Filesize

        38KB

        MD5

        0f8e4992ca92baaf54cc0b43aaccce21

        SHA1

        c7300975df267b1d6adcbac0ac93fd7b1ab49bd2

        SHA256

        eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a

        SHA512

        6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\python312.dll

        Filesize

        6.7MB

        MD5

        550288a078dffc3430c08da888e70810

        SHA1

        01b1d31f37fb3fd81d893cc5e4a258e976f5884f

        SHA256

        789a42ac160cef98f8925cb347473eeeb4e70f5513242e7faba5139ba06edf2d

        SHA512

        7244432fc3716f7ef27630d4e8fbc8180a2542aa97a01d44dca260ab43966dd8ac98b6023400b0478a4809aace1a128f1f4d6e544f2e591a5b436fd4c8a9d723

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\select.pyd

        Filesize

        29KB

        MD5

        8a273f518973801f3c63d92ad726ec03

        SHA1

        069fc26b9bd0f6ea3f9b3821ad7c812fd94b021f

        SHA256

        af358285a7450de6e2e5e7ff074f964d6a257fb41d9eb750146e03c7dda503ca

        SHA512

        7fedae0573ecb3946ede7d0b809a98acad3d4c95d6c531a40e51a31bdb035badc9f416d8aaa26463784ff2c5e7a0cc2c793d62b5fdb2b8e9fad357f93d3a65f8

      • C:\Users\Admin\AppData\Local\Temp\_MEI15482\unicodedata.pyd

        Filesize

        1.1MB

        MD5

        04f35d7eec1f6b72bab9daf330fd0d6b

        SHA1

        ecf0c25ba7adf7624109e2720f2b5930cd2dba65

        SHA256

        be942308d99cc954931fe6f48ed8cc7a57891ccbe99aae728121bcda1fd929ab

        SHA512

        3da405e4c1371f4b265e744229dcc149491a112a2b7ea8e518d5945f8c259cad15583f25592b35ec8a344e43007ae00da9673822635ee734d32664f65c9c8d9b

      • C:\Users\Admin\activate.bat

        Filesize

        83B

        MD5

        4c483a47143202b467470be273d52cbc

        SHA1

        8b24747b7f4206aaf0a01539cc862e788b3e7e90

        SHA256

        245b5bf29eaf5a3d744f33b38f0964c97af662d733b40b86dd65bd181fa2b472

        SHA512

        55f9d25b447e2e0c52f782721a05505c7a2096beb8051d45df15a7997ecade27ee17efc679c072fe5be1577b26ad214cb8823e42fa5efcd8ad6c6611483f14f1

      • C:\Users\Admin\fix1.exe

        Filesize

        7.0MB

        MD5

        150f7378fd18d19ecc002761fa112de5

        SHA1

        a5ef247183d14dcd0d9b112306c1965c38720a1e

        SHA256

        b3bfd7d408a13096897fe8cbaff158cb8ff34f6d2d2269b25a1a268daeef387c

        SHA512

        dd3739f3e7736c6d6319dbf71346addfdab60d668c84b91d9c87bdf5ee7c6ea085b49a314c52338cb196cceb212067fdbf804da91d9f517a34e1b0978ceebb6d