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Analysis

  • max time kernel
    43s
  • max time network
    17s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26/04/2024, 18:19

General

  • Target

    Chaos.exe

  • Size

    14.1MB

  • MD5

    b9405adf00a11f94e349d534e49a4534

  • SHA1

    368457e5a4f15ec703771f1927abe38965122ae6

  • SHA256

    5dc3ecc44e46e3e85c42d776d4339ae9cccfc713015653c2ce5769595f25e8e5

  • SHA512

    50e7fe4be4eb7ae22e589b78b364dcec9e35a943565f442fa7b973700b4b3cd90a73e5a861807b177f9fe4e7b5f4f58300800a04930609f579372251b119a2e1

  • SSDEEP

    393216:hoNAOpKX0i+CyVekksTbATAxm7l4fionEK62vUnH:hSpKXf+C3sPAT0mBuionl6CUnH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 21 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chaos.exe
    "C:\Users\Admin\AppData\Local\Temp\Chaos.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:64
    • C:\Users\Admin\AppData\Local\Temp\onefile_64_133586292202695186\Chaos.exe
      "C:\Users\Admin\AppData\Local\Temp\Chaos.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4336
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c
        3⤵
          PID:196
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c cls
          3⤵
            PID:2324
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:604

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_bz2.pyd

          Filesize

          81KB

          MD5

          4101128e19134a4733028cfaafc2f3bb

          SHA1

          66c18b0406201c3cfbba6e239ab9ee3dbb3be07d

          SHA256

          5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80

          SHA512

          4f2fc415026d7fd71c5018bc2ffdf37a5b835a417b9e5017261849e36d65375715bae148ce8f9649f9d807a63ac09d0fb270e4abae83dfa371d129953a5422ca

        • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd

          Filesize

          120KB

          MD5

          6a9ca97c039d9bbb7abf40b53c851198

          SHA1

          01bcbd134a76ccd4f3badb5f4056abedcff60734

          SHA256

          e662d2b35bb48c5f3432bde79c0d20313238af800968ba0faa6ea7e7e5ef4535

          SHA512

          dedf7f98afc0a94a248f12e4c4ca01b412da45b926da3f9c4cbc1d2cbb98c8899f43f5884b1bf1f0b941edaeef65612ea17438e67745962ff13761300910960d

        • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_lzma.pyd

          Filesize

          154KB

          MD5

          337b0e65a856568778e25660f77bc80a

          SHA1

          4d9e921feaee5fa70181eba99054ffa7b6c9bb3f

          SHA256

          613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a

          SHA512

          19e6da02d9d25ccef06c843b9f429e6b598667270631febe99a0d12fc12d5da4fb242973a8351d3bf169f60d2e17fe821ad692038c793ce69dfb66a42211398e

        • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ssl.pyd

          Filesize

          155KB

          MD5

          069bccc9f31f57616e88c92650589bdd

          SHA1

          050fc5ccd92af4fbb3047be40202d062f9958e57

          SHA256

          cb42e8598e3fa53eeebf63f2af1730b9ec64614bda276ab2cd1f1c196b3d7e32

          SHA512

          0e5513fbe42987c658dba13da737c547ff0b8006aecf538c2f5cf731c54de83e26889be62e5c8a10d2c91d5ada4d64015b640dab13130039a5a8a5ab33a723dc

        • C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\certifi\cacert.pem

          Filesize

          285KB

          MD5

          d3e74c9d33719c8ab162baa4ae743b27

          SHA1

          ee32f2ccd4bc56ca68441a02bf33e32dc6205c2b

          SHA256

          7a347ca8fef6e29f82b6e4785355a6635c17fa755e0940f65f15aa8fc7bd7f92

          SHA512

          e0fb35d6901a6debbf48a0655e2aa1040700eb5166e732ae2617e89ef5e6869e8ddd5c7875fa83f31d447d4abc3db14bffd29600c9af725d9b03f03363469b4c

        • C:\Users\Admin\AppData\Local\Temp\onefile_64_133586292202695186\Chaos.exe

          Filesize

          18.9MB

          MD5

          2bab94b61c39ec730aaa7235855c3fc3

          SHA1

          944085737868824e31f2724b82859101a3b7699b

          SHA256

          4e9adcdb3cfb374cd9ac71e7a8e7f257dd1fe41590992adc2f96f88ca8c29517

          SHA512

          92438020d60bdd23a6910d6755d43c8a19d44c6d49f218319a373ad23611b615b5d4f860ba14fa6c50434471347e9c6a8dbdf0bc3b7e33f92947ec3a8f7d0523

        • C:\Users\Admin\AppData\Local\Temp\onefile_64_133586292202695186\python311.dll

          Filesize

          5.5MB

          MD5

          9a24c8c35e4ac4b1597124c1dcbebe0f

          SHA1

          f59782a4923a30118b97e01a7f8db69b92d8382a

          SHA256

          a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7

          SHA512

          9d9336bf1f0d3bc9ce4a636a5f4e52c5f9487f51f00614fc4a34854a315ce7ea8be328153812dbd67c45c75001818fa63317eba15a6c9a024fa9f2cab163165b

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\_hashlib.pyd

          Filesize

          62KB

          MD5

          de4d104ea13b70c093b07219d2eff6cb

          SHA1

          83daf591c049f977879e5114c5fea9bbbfa0ad7b

          SHA256

          39bc615842a176db72d4e0558f3cdcae23ab0623ad132f815d21dcfbfd4b110e

          SHA512

          567f703c2e45f13c6107d767597dba762dc5caa86024c87e7b28df2d6c77cd06d3f1f97eed45e6ef127d5346679fea89ac4dc2c453ce366b6233c0fa68d82692

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\_queue.pyd

          Filesize

          30KB

          MD5

          ff8300999335c939fcce94f2e7f039c0

          SHA1

          4ff3a7a9d9ca005b5659b55d8cd064d2eb708b1a

          SHA256

          2f71046891ba279b00b70eb031fe90b379dbe84559cf49ce5d1297ea6bf47a78

          SHA512

          f29b1fd6f52130d69c8bd21a72a71841bf67d54b216febcd4e526e81b499b9b48831bb7cdff0bff6878aab542ca05d6326b8a293f2fb4dd95058461c0fd14017

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\_socket.pyd

          Filesize

          76KB

          MD5

          8140bdc5803a4893509f0e39b67158ce

          SHA1

          653cc1c82ba6240b0186623724aec3287e9bc232

          SHA256

          39715ef8d043354f0ab15f62878530a38518fb6192bc48da6a098498e8d35769

          SHA512

          d0878fee92e555b15e9f01ce39cfdc3d6122b41ce00ec3a4a7f0f661619f83ec520dca41e35a1e15650fb34ad238974fe8019577c42ca460dde76e3891b0e826

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\charset_normalizer\md.pyd

          Filesize

          10KB

          MD5

          723ec2e1404ae1047c3ef860b9840c29

          SHA1

          8fc869b92863fb6d2758019dd01edbef2a9a100a

          SHA256

          790a11aa270523c2efa6021ce4f994c3c5a67e8eaaaf02074d5308420b68bd94

          SHA512

          2e323ae5b816adde7aaa14398f1fdb3efe15a19df3735a604a7db6cadc22b753046eab242e0f1fbcd3310a8fbb59ff49865827d242baf21f44fd994c3ac9a878

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\charset_normalizer\md__mypyc.pyd

          Filesize

          116KB

          MD5

          9ea8098d31adb0f9d928759bdca39819

          SHA1

          e309c85c1c8e6ce049eea1f39bee654b9f98d7c5

          SHA256

          3d9893aa79efd13d81fcd614e9ef5fb6aad90569beeded5112de5ed5ac3cf753

          SHA512

          86af770f61c94dfbf074bcc4b11932bba2511caa83c223780112bda4ffb7986270dc2649d4d3ea78614dbce6f7468c8983a34966fc3f2de53055ac6b5059a707

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\libcrypto-1_1.dll

          Filesize

          3.3MB

          MD5

          6f4b8eb45a965372156086201207c81f

          SHA1

          8278f9539463f0a45009287f0516098cb7a15406

          SHA256

          976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541

          SHA512

          2c5c54842aba9c82fb9e7594ae9e264ac3cbdc2cc1cd22263e9d77479b93636799d0f28235ac79937070e40b04a097c3ea3b7e0cd4376a95ed8ca90245b7891f

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\libffi-8.dll

          Filesize

          34KB

          MD5

          32d36d2b0719db2b739af803c5e1c2f5

          SHA1

          023c4f1159a2a05420f68daf939b9ac2b04ab082

          SHA256

          128a583e821e52b595eb4b3dda17697d3ca456ee72945f7ecce48ededad0e93c

          SHA512

          a0a68cfc2f96cb1afd29db185c940e9838b6d097d2591b0a2e66830dd500e8b9538d170125a00ee8c22b8251181b73518b73de94beeedd421d3e888564a111c1

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\libssl-1_1.dll

          Filesize

          686KB

          MD5

          8769adafca3a6fc6ef26f01fd31afa84

          SHA1

          38baef74bdd2e941ccd321f91bfd49dacc6a3cb6

          SHA256

          2aebb73530d21a2273692a5a3d57235b770daf1c35f60c74e01754a5dac05071

          SHA512

          fac22f1a2ffbfb4789bdeed476c8daf42547d40efe3e11b41fadbc4445bb7ca77675a31b5337df55fdeb4d2739e0fb2cbcac2feabfd4cd48201f8ae50a9bd90b

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\psutil\_psutil_windows.pyd

          Filesize

          65KB

          MD5

          3cba71b6bc59c26518dc865241add80a

          SHA1

          7e9c609790b1de110328bbbcbb4cd09b7150e5bd

          SHA256

          e10b73d6e13a5ae2624630f3d8535c5091ef403db6a00a2798f30874938ee996

          SHA512

          3ef7e20e382d51d93c707be930e12781636433650d0a2c27e109ebebeba1f30ea3e7b09af985f87f67f6b9d2ac6a7a717435f94b9d1585a9eb093a83771b43f2

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\select.pyd

          Filesize

          28KB

          MD5

          97ee623f1217a7b4b7de5769b7b665d6

          SHA1

          95b918f3f4c057fb9c878c8cc5e502c0bd9e54c0

          SHA256

          0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790

          SHA512

          20edc7eae5c0709af5c792f04a8a633d416da5a38fc69bd0409afe40b7fb1afa526de6fe25d8543ece9ea44fd6baa04a9d316ac71212ae9638bdef768e661e0f

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\unicodedata.pyd

          Filesize

          1.1MB

          MD5

          bc58eb17a9c2e48e97a12174818d969d

          SHA1

          11949ebc05d24ab39d86193b6b6fcff3e4733cfd

          SHA256

          ecf7836aa0d36b5880eb6f799ec402b1f2e999f78bfff6fb9a942d1d8d0b9baa

          SHA512

          4aa2b2ce3eb47503b48f6a888162a527834a6c04d3b49c562983b4d5aad9b7363d57aef2e17fe6412b89a9a3b37fb62a4ade4afc90016e2759638a17b1deae6c

        • \Users\Admin\AppData\Local\Temp\ONEFIL~1\zstandard\backend_c.pyd

          Filesize

          512KB

          MD5

          dc08f04c9e03452764b4e228fc38c60b

          SHA1

          317bcc3f9c81e2fc81c86d5a24c59269a77e3824

          SHA256

          b990efbda8a50c49cd7fde5894f3c8f3715cb850f8cc4c10bc03fd92e310260f

          SHA512

          fbc24dd36af658cece54be14c1118af5fda4e7c5b99d22f99690a1fd625cc0e8aa41fd9accd1c74bb4b03d494b6c3571b24f2ee423aaae9a5ad50adc583c52f7

        • \Users\Admin\AppData\Local\Temp\onefile_64_133586292202695186\python3.dll

          Filesize

          64KB

          MD5

          34e49bb1dfddf6037f0001d9aefe7d61

          SHA1

          a25a39dca11cdc195c9ecd49e95657a3e4fe3215

          SHA256

          4055d1b9e553b78c244143ab6b48151604003b39a9bf54879dee9175455c1281

          SHA512

          edb715654baaf499cf788bcacd5657adcf9f20b37b02671abe71bda334629344415ed3a7e95cb51164e66a7aa3ed4bf84acb05649ccd55e3f64036f3178b7856

        • \Users\Admin\AppData\Local\Temp\onefile_64_133586292202695186\vcruntime140.dll

          Filesize

          96KB

          MD5

          f12681a472b9dd04a812e16096514974

          SHA1

          6fd102eb3e0b0e6eef08118d71f28702d1a9067c

          SHA256

          d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8

          SHA512

          7d3accbf84de73fb0c5c0de812a9ed600d39cd7ed0f99527ca86a57ce63f48765a370e913e3a46ffc2ccd48ee07d823dafdd157710eef9e7cc1eb7505dc323a2

        • memory/64-2-0x00007FF7CB9A0000-0x00007FF7CCDC9000-memory.dmp

          Filesize

          20.2MB

        • memory/64-3-0x00007FF7CB9A0000-0x00007FF7CCDC9000-memory.dmp

          Filesize

          20.2MB

        • memory/64-0-0x00007FF80A7B0000-0x00007FF80A98B000-memory.dmp

          Filesize

          1.9MB

        • memory/64-1-0x00007FF7CB9A0000-0x00007FF7CCDC9000-memory.dmp

          Filesize

          20.2MB

        • memory/64-75-0x00007FF7CB9A0000-0x00007FF7CCDC9000-memory.dmp

          Filesize

          20.2MB

        • memory/64-79-0x00007FF80A7B0000-0x00007FF80A98B000-memory.dmp

          Filesize

          1.9MB

        • memory/4336-76-0x00007FF76E7E0000-0x00007FF76FB00000-memory.dmp

          Filesize

          19.1MB

        • memory/4336-81-0x00007FF76E7E0000-0x00007FF76FB00000-memory.dmp

          Filesize

          19.1MB

        • memory/4336-83-0x00007FF76E7E0000-0x00007FF76FB00000-memory.dmp

          Filesize

          19.1MB