Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 13:59

General

  • Target

    60396837f3edee3840ebaf310474a4c2b19e19bfa83c3f1d5f9cdccae023a991.exe

  • Size

    247KB

  • MD5

    ec06c19fbb970c4566862e748f64713e

  • SHA1

    67ac0f36c83497bd9b67dd16264b0c97d0f14dcb

  • SHA256

    60396837f3edee3840ebaf310474a4c2b19e19bfa83c3f1d5f9cdccae023a991

  • SHA512

    f2ce8dc2eee9be83b4513761ecdb7665fcfbadc7117654b43a27be872f2126ef4fde45d7a4b67b612625277982164f6a6974dfaabab5116782dafcfd7ab4fba0

  • SSDEEP

    3072:i2RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhhOn+Tx:i0KgGwHqwOOELha+sm2D2+Uhnguf/5

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 33 IoCs
  • Checks for any installed AV software in registry 1 TTPs 54 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 18 IoCs

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

  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60396837f3edee3840ebaf310474a4c2b19e19bfa83c3f1d5f9cdccae023a991.exe
    "C:\Users\Admin\AppData\Local\Temp\60396837f3edee3840ebaf310474a4c2b19e19bfa83c3f1d5f9cdccae023a991.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\Temp\asw.5d5a9263ba8ac4b0\avast_free_antivirus_setup_online_x64.exe
      "C:\Windows\Temp\asw.5d5a9263ba8ac4b0\avast_free_antivirus_setup_online_x64.exe" /cookie:mmm_ava_tst_007_402_a /ga_clientid:1933a44a-af18-4966-847c-0c06b2dc48f8 /edat_dir:C:\Windows\Temp\asw.5d5a9263ba8ac4b0
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks for any installed AV software in registry
      • Writes to the Master Boot Record (MBR)
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\Temp\asw.0f09153c27ad8af9\instup.exe
        "C:\Windows\Temp\asw.0f09153c27ad8af9\instup.exe" /sfx:lite /sfxstorage:C:\Windows\Temp\asw.0f09153c27ad8af9 /edition:1 /prod:ais /stub_context:6022fcee-e51b-42ce-bdee-e21fde99f67b:11072232 /guid:666a393d-29d0-4c5d-b93e-d6bcb733acf1 /ga_clientid:1933a44a-af18-4966-847c-0c06b2dc48f8 /no_delayed_installation /cookie:mmm_ava_tst_007_402_a /ga_clientid:1933a44a-af18-4966-847c-0c06b2dc48f8 /edat_dir:C:\Windows\Temp\asw.5d5a9263ba8ac4b0
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks for any installed AV software in registry
        • Writes to the Master Boot Record (MBR)
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\instup.exe
          "C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\instup.exe" /sfx /sfxstorage:C:\Windows\Temp\asw.0f09153c27ad8af9 /edition:1 /prod:ais /stub_context:6022fcee-e51b-42ce-bdee-e21fde99f67b:11072232 /guid:666a393d-29d0-4c5d-b93e-d6bcb733acf1 /ga_clientid:1933a44a-af18-4966-847c-0c06b2dc48f8 /no_delayed_installation /cookie:mmm_ava_tst_007_402_a /edat_dir:C:\Windows\Temp\asw.5d5a9263ba8ac4b0 /online_installer
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks for any installed AV software in registry
          • Checks processor information in registry
          • Modifies registry class
          PID:2468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Avast Software\Persistent Data\Avast\Logs\Setup.log

          Filesize

          1KB

          MD5

          f9819e0bcb671dc8c9750f0552a8ac33

          SHA1

          8121d97a9fe319d754e804729ec4d61ce7a42669

          SHA256

          5d0cbfdc6692259a013d541c31698d2ef1bf97d9c7059cae150113a40753da96

          SHA512

          888b0dfcf4f1256875eddc027d20d7a7a81226a6b7145a45743f077b5091b8128b337e01a138c4e865ef59019518e98015e1694053528c886b15ad7f07e2e65e

        • C:\Windows\Temp\asw.0f09153c27ad8af9\HTMLayout.dll

          Filesize

          4.0MB

          MD5

          b0e91293160024bfc0302bbdadd0bb9c

          SHA1

          005fbe3c47213d4b791c05f2a8a6932dc70357e9

          SHA256

          3db7c1fc402a689bb160ed2d0bc12edb6765307c725ad02e7b27510008b4f8ca

          SHA512

          f7239b26fedc2a90c2b267467781ff26512890b879772bcc0809409a368fefd74a8930d8d4958559381dd57f7bdc769668c5ec638b5ad82e4a20a1e0217e9304

        • C:\Windows\Temp\asw.0f09153c27ad8af9\Instup.dll

          Filesize

          21.7MB

          MD5

          0d09efc988c41b14c4fd0bd9c1457b87

          SHA1

          7c8bb0b4760edfc009e8b122124aa2b70e1da93a

          SHA256

          49ae4e9a468593038c1ab7fd6f988ddc0eace7e8c3c407c53b130e2eba1506fb

          SHA512

          b54c3ab104ce574690155d672146be30a1ae45abec71ddaad81ba16f9435f76deb4daccab628b006cbde0e9c9a85b99a3b8a33ad4dd3ebdc05a2dbb963062993

        • C:\Windows\Temp\asw.0f09153c27ad8af9\Instup.exe

          Filesize

          3.7MB

          MD5

          6179a6bcb9d35753d2deb3c1594a9bad

          SHA1

          d114563b01f474084efd2c4f7edef133cdc1018f

          SHA256

          0f1d9af4f5eee63bf1959ec61e459f9f304c77ba3af29cbd640910661ecbe2d2

          SHA512

          2cd159f3de29a011d4b6c807e87c3b404e311f39d015b5760febab1f480cca9bb8472ec53e912d526eaba65f58659acea1530923caa6c2baa60cfd9f98786f69

        • C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\asw1c0f4062ee453c61.tmp

          Filesize

          831KB

          MD5

          c5665f1f93d9aabbcb1dde533e2c46e6

          SHA1

          732389de20c600d0222d61b4ee74b0be6412a45b

          SHA256

          adf4276ef7f276d2178b85790a178c4e903d9776c0eb18dfe4c89a481694dc8a

          SHA512

          51a148db86a97fc13aa8db21540f8200dc2e9e325c7d2014cf55074d3ad6ce25d25a798551e3f0bb1e546a9f9536db512cbc9b14b51680d87848747a1fc465a0

        • C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\asw4d554aed99adaf08.tmp

          Filesize

          3.8MB

          MD5

          d9be57d4e1a25264b8317278f8b93396

          SHA1

          d3c98696582fed570f38ae45bf22b8197253b325

          SHA256

          a90e4ffa0fcd535733b6306d701cbb975245b8253df54b277970d8b8c1cf09c3

          SHA512

          2f13454c7e4360326f1dc417ad24e2d095b7178d89791f5b436d134c2fe26724bc48d6de1291208800b7c93dfe7082e8300b2d545c5db3e2590603dd3f8a5697

        • C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\asw4edc4e6397f44975.tmp

          Filesize

          3.1MB

          MD5

          b216fc28400c184a5108c0228fba86bc

          SHA1

          5d82203153963ebede19585b0054de8221c60509

          SHA256

          7827bda61139b0758c125de5f31e38025ed650be86bb8997dce8c013ec89e5bd

          SHA512

          6af7877e46e820dcc5fe67ce94393575d0d4b39d0421679b34bc25e8a62254a3dbce29f9de69d2fa4506235748dd919a91c875c90ef950c9d3a6939bff7b3294

        • C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\asw6b733a79895a8065.tmp

          Filesize

          4.5MB

          MD5

          ef035189604e7f5d68a62827b985ccbb

          SHA1

          c094c6eef2640a71aee9f4b27123c2080d38136f

          SHA256

          64fd38d5697a9119cebc8fd5710a452645a09d076a4b2863a4383f94d3496740

          SHA512

          32f2af9929598b5eaee6de3a95f755da27622c3a791e43dfde41c470dfb278b843e67327e0d0d2f7b49b61b94dc8e4a1e9eadd3a91664ff339d03448d0c881c9

        • C:\Windows\Temp\asw.0f09153c27ad8af9\New_15020997\aswf69af093e2bcae28.tmp

          Filesize

          19.1MB

          MD5

          9ee6528abdad768fbfa28bd1bb80ebe9

          SHA1

          f5582697e068ba1d56825fc32bd5ab1a71bd4d38

          SHA256

          61a7bff3d789aa29add514052a0ff1703079ce427705ead5ce7dd98a0df9ecd4

          SHA512

          de22b846a13390eda5940c7f7de7ed63af22b16b4add149363d3f3d1c4cad4c2bb99b6ecb9fcab08dc018d36fe4d8b457a5e7edba7a34e62e915ff6f2ecabfc9

        • C:\Windows\Temp\asw.0f09153c27ad8af9\config.def

          Filesize

          32KB

          MD5

          5a0f70dfbf66819ca9c50d6ac6f3702a

          SHA1

          ab4d2eac9985dba69422cf8cd6bc36846eda1855

          SHA256

          31acc29e2df1d0841bbe81db1c28e145d44aa5805c3fd3a1615b6768a08514c2

          SHA512

          13b24f45680e1607dc6fd2560b697918d11c4d8fec1ef561961e5846887f37623470782e36daa16005bf52142de3bd2ff15860c015a798e4729d6625c335c0ad

        • C:\Windows\Temp\asw.0f09153c27ad8af9\config.def

          Filesize

          33KB

          MD5

          0d07a8262487b7a5be2c70f2b8bc1ab8

          SHA1

          c9282f515f56f1cf961a4e7432ba4a57e4406486

          SHA256

          7b2709e2c3ebd3b900ef4bcbcca7c8ec0062261381774acc8ef54867b0a28e0a

          SHA512

          2cc90735291f9faf5c6d497b4b87d6aa08b5221d0cc525f8632b8820a5c5d4f22304ebbced290285bd577c12e113f573a2cd10cba3c8ec3def26cadbd0ecf484

        • C:\Windows\Temp\asw.0f09153c27ad8af9\config.ini

          Filesize

          906B

          MD5

          5dc5fe1b0db96c9b05d819ac3d87739f

          SHA1

          1c3bc257c03e1f196dcbb938742a7fafae0d95f7

          SHA256

          954817f7df67913efbfe820c79c82b282f0691ab15c57de47e4e194b21a2f4aa

          SHA512

          41a3057464e8069f809cc6099bddf7e1a30f6b7229bf0ac7fb1b27810b1bc0008047c2cef8b3c5a0c15b827a073d1296c3f14968163d5eec11fcb0da0f5bb73f

        • C:\Windows\Temp\asw.0f09153c27ad8af9\part-setup_ais-15020997.vpx

          Filesize

          5KB

          MD5

          365b6ee6fbde00af486fc012251db2da

          SHA1

          8050ba5a9b6321f067fc694527011ba00767d4a2

          SHA256

          01fbb98a20ed29cd83e42351aa1fc361d4513b9ade8d71f62383bc76d5f86830

          SHA512

          949b877dc558a9215369fddce4bbeb3c0fbec09c1b92717a8d027001337743e300a1089ff46f3b49a33f4d6b4e7bb5a2d4cb6ea96c9114e308833c7e15d8b261

        • C:\Windows\Temp\asw.0f09153c27ad8af9\prod-pgm.vpx

          Filesize

          573B

          MD5

          db09685c045dc0df0552427c752a1aa7

          SHA1

          eb0e8e1e9839e7517efb7fedfa7edabc5d57587a

          SHA256

          9219680462bef7060264ac63d21f3332daf0fca5090cae295427710895be0002

          SHA512

          d0b4b1c23557aa18a5ca9299c7269cd2221ec8b155b9ec9c045f6ddb612f1979a9d3e78ae395dc6e515338ee8bdf13225a1cafc903bc800a22b9b9e3489a462b

        • C:\Windows\Temp\asw.0f09153c27ad8af9\prod-vps.vpx

          Filesize

          342B

          MD5

          8499e8596ec1c873e132662092da0a85

          SHA1

          dd27c53c9fb86cbcc367182fccf8bd0af6ebb763

          SHA256

          26d22504cae4bb0e7de6e10317a97aa4be15a0a3fa9bf2d735d89213696e0712

          SHA512

          f06bcf0f8239a15c78b8113d27c60b32bcdc1be25d913ef3356ca5a58349e12b14b6673838e83972d81e90e338d948781626d5ff6db3a6fea303b8aead98824d

        • C:\Windows\Temp\asw.0f09153c27ad8af9\servers.def

          Filesize

          29KB

          MD5

          b1960612149e68ce8d6f4827c5b39073

          SHA1

          6259a3ebd659bb63ec59fab4c8e1aa79092692a4

          SHA256

          847bd020bc930856d25c54d5fa03278b0e6b2434f2560f3c6b7c000332012173

          SHA512

          81d2737ca459d8fb3aab6dede1c666efdb6c3a851f1018a8b2d5166060de05fff7abb8eaa9e24ee441137033bd0574ce107ef9d3abd93ddde4b86cda76625423

        • C:\Windows\Temp\asw.0f09153c27ad8af9\servers.def.vpx

          Filesize

          2KB

          MD5

          eab5eaa228b24e2a0c3313fc200caa97

          SHA1

          407dd379fd78df5b31585931fc567a1f9a3da40c

          SHA256

          5d784971dcc44fd271dccb4351ebabb16b3170ff680ccfa64dc848a4125651fa

          SHA512

          126b2bf2a5fe7a4d78eb766f95e4e7fc15095876ffc25f0955f1d073f351281b3d7a8f1cc3c8b8cfad7157e705a0d8019b28a82ce72c15f02cd31029b801bb0a

        • C:\Windows\Temp\asw.0f09153c27ad8af9\uat64.vpx

          Filesize

          16KB

          MD5

          63e7a59b7d1f9405ba1a0e685ca98af7

          SHA1

          c90d503b31b8027a0fbbe1f0008021e27ce42609

          SHA256

          03cee410775634e7570b80077ca95e47cbafbdf982c19ac2e222726d28b9a584

          SHA512

          9b70322f966accc16435bd3869106be18ac7e21962846938e64c7001c663cbd1ea7a7662e0d85af97af05820192ceb0bb01d65cff3d7bbe8467b873a872d644f

        • C:\Windows\Temp\asw.5d5a9263ba8ac4b0\ecoo.edat

          Filesize

          21B

          MD5

          58d47cfa451dfb6748be33a8f4069f49

          SHA1

          7ca703bc598c8ed5d98407833ecebe7d5efec80b

          SHA256

          8ebbec1ccab81b5ab09770e38ed72b0f830c5bbdabd1e68979c9dd79bb278883

          SHA512

          4f636e1664c3884f6406aede91d8c6e2a0cff876d1be45014307c8a247f267f8b8db8a67edf43ee989fd59e1a74ab047d96cbac308d57cb00576cf4af14d4afb

        • \Windows\Temp\asw.0f09153c27ad8af9\New_15020997\aswc3de8992812b18e0.tmp

          Filesize

          15KB

          MD5

          13e9fbb02cb7497562b59a9ef8f1ee92

          SHA1

          047936e9296e77939b5b23c1a2af3056eaa2ae99

          SHA256

          40fdd6306bbd29d680af6e6931751b3a9a133d7786d9409a47b6f115b968565a

          SHA512

          0d5c6d3f2465fd9d1af19c1a02c4f4a3bedb02f0e049e97166ed100964ff1ff1be28ed02542a90c4ad3e1041bb3f3cf8b65d561c6ebc41fce1f935f277d606ba

        • \Windows\Temp\asw.0f09153c27ad8af9\New_15020997\aswc9062349b9f26778.tmp

          Filesize

          907KB

          MD5

          700b6740e6bfa7729f146572d8455348

          SHA1

          19d80fb0251f417283ed36fc20c43079b3f6fbb8

          SHA256

          d3c0ba08fda4ed42c1389f6e34061b030b2b1017395308aac1d5b25eb3ad1f0e

          SHA512

          7786b63b8fc9c10030b5bca591378b13d05aeeac36072f52ddf24ce46cb12cfab88d9358000b15afdef0c59dbbe5fa22411b354fd0e24f3b1a3098eab3d79b65

        • \Windows\Temp\asw.0f09153c27ad8af9\uat64.dll

          Filesize

          29KB

          MD5

          b49ac1e7007e1e445c45fc906e96687e

          SHA1

          b33adeb3d8ad516a3fe826cc3f48f9c6e67030cb

          SHA256

          da17cf39c773ab3048e767aff993458e284837287e8c4af0d139ad71f3459ff8

          SHA512

          e3ef8ef9423552281dc12e25eeef69b954e50bc844442d7e0de9c7e066c53e62dc84a43e44428caff1e18b06470c17d25e65825c07f5f85535d97ace23f05ba2

        • \Windows\Temp\asw.5d5a9263ba8ac4b0\avast_free_antivirus_setup_online_x64.exe

          Filesize

          10.6MB

          MD5

          285b70b3ac1698009e386ece00acee56

          SHA1

          dda4d5748970490ca1100d7e076045b3648008a3

          SHA256

          df8b438844b84bae4a78bd4a593fd28be2fd58a0fd431e4b942661eea9476dc0

          SHA512

          5c4a1819cd444d576e81fa10a686dabce9e66fae197aa1668cc2d394289a2722eeed7f88f5d3b80b2c9526ede50cb03deba999ecbaeb30e212c91e84b540580f