Analysis

  • max time kernel
    11s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 01:00

General

  • Target

    c230c739f9107e8fd871f2158e2299e010679aed34fb419cd8c9acc8cc4a9a24.exe

  • Size

    257KB

  • MD5

    02bd5dd672a21a001e4b82e2a6031d30

  • SHA1

    777476e4e9bab85545e977279572b38d83869261

  • SHA256

    c230c739f9107e8fd871f2158e2299e010679aed34fb419cd8c9acc8cc4a9a24

  • SHA512

    df3cdfae583c8f1a5d7e7ea002b25f2de43490454fc02aff93232276c50d2af73ca3842ac0744ab8b7c30d0f8d1f57c69c97bddef6c520522d4adefa2e902e0a

  • SSDEEP

    3072:z2RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhh0rn+x:z0KgGwHqwOOELha+sm2D2+Uhngu0AS

Score
6/10

Malware Config

Signatures

  • Checks for any installed AV software in registry 1 TTPs 3 IoCs
  • Downloads MZ/PE file
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c230c739f9107e8fd871f2158e2299e010679aed34fb419cd8c9acc8cc4a9a24.exe
    "C:\Users\Admin\AppData\Local\Temp\c230c739f9107e8fd871f2158e2299e010679aed34fb419cd8c9acc8cc4a9a24.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe
      "C:\Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe" /ga_clientid:12568c8b-b056-45f2-ab59-56a2d7cd183d /edat_dir:C:\Windows\Temp\asw.768c828ea536664a
      2⤵
      • Checks for any installed AV software in registry
      • Writes to the Master Boot Record (MBR)
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2500
      • C:\Windows\Temp\asw.d0e75266ded07fbd\instup.exe
        "C:\Windows\Temp\asw.d0e75266ded07fbd\instup.exe" /sfx:lite /sfxstorage:C:\Windows\Temp\asw.d0e75266ded07fbd /edition:1 /prod:ais /stub_context:e2717206-b85f-4e32-b791-a6966fa57eee:9938128 /guid:5c691bbb-e34b-4fd2-99b3-7d8c610a6d17 /ga_clientid:12568c8b-b056-45f2-ab59-56a2d7cd183d /ga_clientid:12568c8b-b056-45f2-ab59-56a2d7cd183d /edat_dir:C:\Windows\Temp\asw.768c828ea536664a
        3⤵
          PID:568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      0ee893403f00772ddf5722e093d8b632

      SHA1

      a99ed5332c68e04dc2c6ab4e31e29b7135ea2417

      SHA256

      e584e0d2f19a0c81cba924dac60df78f3308670ec9f1f6f1049396abc34f8bbf

      SHA512

      737d45c046fd56413d5392fbf95543548430e1746566161e8d3f2f6a9fb2eb6e3d0b90913b6f974c2aa21ec7d340233dcf69dc7db3b74224ec80475846ee20cd

    • C:\Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe

      Filesize

      6.2MB

      MD5

      858c806c5cb7ed1330bd213d1b2a275a

      SHA1

      23d2a2af4429abedbd6ac9c2b0d024d53fdd2251

      SHA256

      e3ace48ff261814d2fedae3efd331b0084ca037fb31d3917868800f3eeb82585

      SHA512

      73a33eb8019f3db92e207581ba8c0e36ba437e3f593beb3f4414d0de74fe61d19265f882dd552b83eabb24ff657e58dcc459e77a13c181e3b7feec844edf4bd2

    • C:\Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe

      Filesize

      5.8MB

      MD5

      e3f8285d16b8967f8c540729d5afd870

      SHA1

      9935e432b13f9e0bbe483a3b3ae4b7a539837483

      SHA256

      f20911035d100e766862926fa6d7876f70eb50a1c841e7291b8b500e759f79a2

      SHA512

      4e0c1f933163914a622edafcffa6c5c0d1f59caad418c5e87d9b45397a2bf83133d2f0ee1016d2a105dbbfaac7d7a1b6c0733de3feb499bb67cc4c8700ea0ff9

    • C:\Windows\Temp\asw.d0e75266ded07fbd\Instup.dll

      Filesize

      5.3MB

      MD5

      458423e6fa0e9ea73dcdae7b8f1776cb

      SHA1

      39b0e667dbed45ce1b921f1e36c22b4f2449227c

      SHA256

      70cacf7ef4bf9b605457798d9c4374ab796b7ada95a3b960688bf8e6b6ffec12

      SHA512

      ad890a8c595e8f4d25905c4f9462eccf85457d818448cdac496a367751b1dcabc50a9b098857bbb8535a954eee01a601616dc5f88e1b6908b96abe5703f45174

    • C:\Windows\Temp\asw.d0e75266ded07fbd\Instup.exe

      Filesize

      3.7MB

      MD5

      2a1fcd4d1c63be04ee07d7440d5a33a6

      SHA1

      a264329e4db892a39a614c9deefaf00e57769331

      SHA256

      f0125c4fc5b39c3890ab0e9fff9e6130804a6d5c94e323cc8fc208e41517da40

      SHA512

      14c652bc28dc3bc9e1829ac439335ae4fc3537bd61ecadf46f337c8556eaea42cc40c2e6aa26767d73a28634f8631bcb28f93589d581a3083dcf338b20cfd7d5

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\HTMLayout.dll

      Filesize

      2.3MB

      MD5

      50d8a969b2e3dfca3c3c0bbcaaa0a076

      SHA1

      bf1cacb63f41a75024c4985cfeba189cf93ce68f

      SHA256

      7999506a6d14bae20330d3b5f100098d013b159acdce7783442caddfc6bf776e

      SHA512

      2daedb624f1470e12da36b8d7aba4325da2b65db18879abaa0d9cacf4f72a09ef1f57df8a6192431bda8f593c3174bf6b1b824c3048d250dfa74f743a4a0574f

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\asw4a3f6b2f20d19a71.tmp

      Filesize

      831KB

      MD5

      c5665f1f93d9aabbcb1dde533e2c46e6

      SHA1

      732389de20c600d0222d61b4ee74b0be6412a45b

      SHA256

      adf4276ef7f276d2178b85790a178c4e903d9776c0eb18dfe4c89a481694dc8a

      SHA512

      51a148db86a97fc13aa8db21540f8200dc2e9e325c7d2014cf55074d3ad6ce25d25a798551e3f0bb1e546a9f9536db512cbc9b14b51680d87848747a1fc465a0

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\asw628a190fa4196873.tmp

      Filesize

      15KB

      MD5

      13e9fbb02cb7497562b59a9ef8f1ee92

      SHA1

      047936e9296e77939b5b23c1a2af3056eaa2ae99

      SHA256

      40fdd6306bbd29d680af6e6931751b3a9a133d7786d9409a47b6f115b968565a

      SHA512

      0d5c6d3f2465fd9d1af19c1a02c4f4a3bedb02f0e049e97166ed100964ff1ff1be28ed02542a90c4ad3e1041bb3f3cf8b65d561c6ebc41fce1f935f277d606ba

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\asw63e36bcb0b63ad57.tmp

      Filesize

      128KB

      MD5

      4f566f3e918a86c211178ec268f48e83

      SHA1

      f8c3bf2ef5d4bba0f97b7eaa196c76a3cbcfcfda

      SHA256

      64226f775d494230c4650819fb14ccf2d86f86cc2e4c8f290aae79f0b32e913d

      SHA512

      f43ea5503959be87f17cf42546a8a7ac93dac04f3110708fdf031a80c5b15b5de2bf622822c455010e100056c1f6c2817ed3ae19634e92551e2ea76f2af50d8b

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\asw726e13503e8a1b9d.tmp

      Filesize

      2.3MB

      MD5

      462395fed5c1926e059657ca7932dc0f

      SHA1

      1f5d5d3209586941eb6aa3ac5a22d37e720261a6

      SHA256

      25a823b625c6c7a614814236b750d71ec1f1c9a3d0b35509b0463bf967e422e3

      SHA512

      1a8173a9fb21560fe8ed3bdd2c2bbbc1f08b5f318bbe310880d7d0e58f995ad43b915fba417d8599def031d33d58509bde309fc8b7324d65bc8438181e852728

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\asw74c7fbb137f48039.tmp

      Filesize

      2.3MB

      MD5

      4ac63e7ccd6f823b02ceb9835f31ba6a

      SHA1

      3c3e9dc8960000d8a11422dc29f90f47c17c216f

      SHA256

      9624354f3a30bcbd91e73d3cf00f93cdb348e11d3e06a07f7da1bbf96894e79a

      SHA512

      b006c7339757c884ade05d4e72d532a3bd011fbbfc331cdf327b67568f39444231d76fb15ef81b4ea4e33edcdd2cb55521bd650b5462bec9cf1df57bfc09497c

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\asw926f25f014d206fd.tmp

      Filesize

      907KB

      MD5

      700b6740e6bfa7729f146572d8455348

      SHA1

      19d80fb0251f417283ed36fc20c43079b3f6fbb8

      SHA256

      d3c0ba08fda4ed42c1389f6e34061b030b2b1017395308aac1d5b25eb3ad1f0e

      SHA512

      7786b63b8fc9c10030b5bca591378b13d05aeeac36072f52ddf24ce46cb12cfab88d9358000b15afdef0c59dbbe5fa22411b354fd0e24f3b1a3098eab3d79b65

    • C:\Windows\Temp\asw.d0e75266ded07fbd\New_15020997\aswd6f5565afe9fdec8.tmp

      Filesize

      2.3MB

      MD5

      3dc9b96ef05b68d2a66c4dad754bc280

      SHA1

      6e041afd6c12c34b75da9e53ce5e862b835dc90b

      SHA256

      a0052be6b56a956676d4df9487d859fe81cfd5b509d1cfb120e2abde7df2f0f9

      SHA512

      f581b424371e1b2c7d105400554410f6ab0679c73e6f7f709d2932cbfff6ee5bc934e0dd3aa588b4c99a0f94817e1e86a7e8ccb59e8a7c58b336896d7a5f0489

    • C:\Windows\Temp\asw.d0e75266ded07fbd\asw34d11264eb18acf0.ini

      Filesize

      700B

      MD5

      d7d336f53bf9cf45769ca7e06029e052

      SHA1

      7149bf87b6fa2def3e4b63449ad069d88bd13885

      SHA256

      ccc1b21fec9de5130f23d01f21173855667a69b4c2d10d5db1944d528acb86be

      SHA512

      ad79d26dcdb5eb28ec3c5eb539f4497a6086c953bc7836a4c37f25bbdcb79dbb12d25797b596b9501d6285964ee02524459cd7573bb862a216c0e907ec43a3d3

    • C:\Windows\Temp\asw.d0e75266ded07fbd\asw34d11264eb18acf0.ini

      Filesize

      797B

      MD5

      22c816c0eed6f9cb2ac1371197ca2a52

      SHA1

      0fab6888c56f5b35af1e462f2e4b5e496760b122

      SHA256

      25a326b15768055d2176760d442d1a03263d6ba9db6ac35af2e9346732abf6b3

      SHA512

      9791e4063dfe6ea722ec113df131750f3ac4a9e97ed2be1e9eedc3971ec06c9d026ec6fdcf19aa78ebb97f91975485d67f17694c4d006b73999426a8e7c50f70

    • C:\Windows\Temp\asw.d0e75266ded07fbd\avdump_x86_ais-997.vpx

      Filesize

      767KB

      MD5

      4f2f4b4cae5bc3e568a2eb165ac6b74f

      SHA1

      f18b957799c48f18f0be8007ed4c6d3e721577c0

      SHA256

      52a57aca1d96aee6456d484a2e8459681f6a7a159dc31f62b38942884464f57b

      SHA512

      8536eb2e4ada2920d93806cb70cc35b7879119dfffe1ddc0a4710dddea7c0234257d25fe14fff45a58c820a4389e5ffc968f81c5bbeb9b77870962e608b5d45a

    • C:\Windows\Temp\asw.d0e75266ded07fbd\config.def

      Filesize

      28KB

      MD5

      11d234acc4aa3492884d532c720221a1

      SHA1

      6c2f3b0a728b0794fa77ddce08a21c6197562ac3

      SHA256

      43ed5b91d77a916d62660c14248ccd735d5d715106db7c4d86dd91f6466bf333

      SHA512

      b567fddf0643e6a63614f87fd4b2dda800bd2b58af2c116ad1ec0793932037dd7a789c17a0214d8a45054714b53c78d4fda5cef372858addc46f4d79981adf46

    • C:\Windows\Temp\asw.d0e75266ded07fbd\config.def

      Filesize

      28KB

      MD5

      e89df0207000871c9f81ddbe9623bd24

      SHA1

      7dfca268ce9d20f89fb59774bb46951c1824bf69

      SHA256

      f68e52a988cc230deb39bb490d89ee77d15e59ede6f16c5a01e8aec791505153

      SHA512

      7c90b305c3b08633168f55f1e6718649ef0dca4dff6f6e3ea25eaa187ec9325690a3db0d35d17be1e148754d4822d6053731269525100c4bbb64564d7d795a58

    • C:\Windows\Temp\asw.d0e75266ded07fbd\part-setup_ais-15020997.vpx

      Filesize

      5KB

      MD5

      365b6ee6fbde00af486fc012251db2da

      SHA1

      8050ba5a9b6321f067fc694527011ba00767d4a2

      SHA256

      01fbb98a20ed29cd83e42351aa1fc361d4513b9ade8d71f62383bc76d5f86830

      SHA512

      949b877dc558a9215369fddce4bbeb3c0fbec09c1b92717a8d027001337743e300a1089ff46f3b49a33f4d6b4e7bb5a2d4cb6ea96c9114e308833c7e15d8b261

    • C:\Windows\Temp\asw.d0e75266ded07fbd\prod-pgm.vpx

      Filesize

      573B

      MD5

      26b89360ef429c2e746d52d659f75fb0

      SHA1

      1799be7617c4d48650bd31393ead0a86fcd51b6f

      SHA256

      5c0513d973426c0e46f4514b5d5839cf4006b798813448748d0230ff8ae10f11

      SHA512

      f43643e42e67cc5c349159b95a803c30009a4288de27deff789f45306bc012fcf096fead250328b88085a5b58d1042de6d598351de545ebf1d8120f7de13a0fd

    • C:\Windows\Temp\asw.d0e75266ded07fbd\prod-vps.vpx

      Filesize

      343B

      MD5

      dfa1834812a0eb9d26481a0d04bf17f6

      SHA1

      f549e226e0b9cd9d43975682d4750fdae05aa1cf

      SHA256

      65c6d6ea7ec175683bc9cca2801c2b5fa54fb575de0d2e6f3b69d6297996da7d

      SHA512

      ead07c0756c5495145fb8d1c8e6fedf9a2e7504d2d8609f7986181c1552aea24f42c9c398033bfeae77883443f552bbed8cf738337e4f4d56ce0b92819941ac9

    • C:\Windows\Temp\asw.d0e75266ded07fbd\servers.def

      Filesize

      29KB

      MD5

      f50c8c38d628323b1f44967f94e7b307

      SHA1

      c98c58ddbcc6655d8c3c89036b26486f465fa6c5

      SHA256

      52ac6e1d5aa22ef10f9a3016b65460f11923ee985efcde4647dcf11c5b7606bf

      SHA512

      ee6534fb1f88ee95054802c6f0bcc129b81de2ae5e96d387103ef8a76be9f95ccb2fe3e84ceb2daea36d922584a75a79bcdebdb2e9bef2c2953fa7a1f24e21c7

    • C:\Windows\Temp\asw.d0e75266ded07fbd\servers.def.vpx

      Filesize

      2KB

      MD5

      7d6d0aa779e3c412084cdffb97f6df21

      SHA1

      3bc1d5cd321046ff9ed6f8540f84936c11543b35

      SHA256

      b7829a4b85b33d401853642dc7d31598fe4bc64057e0cc72718016f29a0ebc0c

      SHA512

      264e0fe5e4bbdede45d81624cf33a34ae9a7b8cc7f64d867c2a811f0a5824fc8f3490e4606b8714576895ffcfb9d7b8a97f6ad6991a2d1f1526e3bbfb9a2e84c

    • C:\Windows\Temp\asw.d0e75266ded07fbd\setup.def

      Filesize

      37KB

      MD5

      be793535c4acf02d4ad13b20d0c84deb

      SHA1

      65dd6b4891a75848042c10057808535298cee3e1

      SHA256

      31f9f4cfff1900e8a4ece24ddb5da2736409779b970e29e4bf9fe00b985c65cd

      SHA512

      7f6c482103757d353b6cc50ccd6c618454f653d3e7eeef743e0bc74cae71c72f56ee0f1213deeeb4ad6e1cce244d7d017044e928c80a507de343cacd89238f62

    • C:\Windows\Temp\asw.d0e75266ded07fbd\uat64.vpx

      Filesize

      16KB

      MD5

      cb415a68c2539edf346943b0beab4657

      SHA1

      c7a45a97371bd74af202977326465bf703d4217b

      SHA256

      4ee43ed417a5d790d2ea3a67290429bf801cb36a2c0fe4a9552c8a0242a370d5

      SHA512

      47c1219fd7dfc14efe88406da787b949cd6c4a97f2e1875268478bd7b5a8cea1775a962d53ed5f6e2e7b321b42ac97f5f2185a8c793667202d8b0cb7adce8d2d

    • \Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe

      Filesize

      5.3MB

      MD5

      bc00e6b33b71131c9998cd626619b5d8

      SHA1

      8d53458e9068b26442f5a32e2896dd696df66494

      SHA256

      cb02ac02924ef3d1a25a7516ad510d371cd585a0103b4d47564af92ea2017942

      SHA512

      009041478d5feaf9aac3250720683fde976ee7ecae26cb03a328c7c1bc3483fdf66646870068412db577fd345b2e89cded47b67fb3cbbf7bb1f10bd3b0c396ff

    • \Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe

      Filesize

      6.7MB

      MD5

      56a6c646b78cfad66ae6725885890011

      SHA1

      946e73a42236b3da59d32ec06f6bdb0e0680fc7a

      SHA256

      adfee9e503446eb70676c481648550eb0b99443cdb9398727c088787168e7ac4

      SHA512

      f01a9021d6fdba9314f84482841bb94f2f32b2f27e98a9447d9b7af7044ccec542c3a8c3fa066e113df972c7e6fd619e7ccbf67b4a6ca4ebac2c65e993e6ae0e

    • \Windows\Temp\asw.768c828ea536664a\avast_free_antivirus_setup_online_x64.exe

      Filesize

      2.7MB

      MD5

      675b65797a8e6df53d703dfb56d1c02c

      SHA1

      27b62aa49a6b95aa43078248098633386ac77fac

      SHA256

      3111894a4fb1b801dd8f53532eb9f753d3cbbac2b28226a1be944d3b5bb618cc

      SHA512

      6abb9cb0253619eac9d7e903d782ae076d7e6d0c38b570fcad5da12a35c073ee35eb828942df94fc577d7a5e7ac60bcb6139ec9409b14de989ed3d95d2341c7f

    • \Windows\Temp\asw.d0e75266ded07fbd\HTMLayout.dll

      Filesize

      4.0MB

      MD5

      f9e6f883df9cafbdcdda9b408e2e684b

      SHA1

      f7aa64def7d141521d499980cec13ae90c3ad6de

      SHA256

      5741eddf470374d3b2552ca2f5f02ab399eef1af0a92ce5bc326420e8d7e4675

      SHA512

      8c92f074669506f166d328c17d6b4f72612cfdc19a2fa1e65920b4b52cb2583d3a618f4f429e87320ef88ef46424fd6f3e5081152d71245ca8c2573337072ca5

    • \Windows\Temp\asw.d0e75266ded07fbd\HTMLayout.dll

      Filesize

      2.3MB

      MD5

      4ae0fa1f8c9271320c852044eb4252fb

      SHA1

      a09872f92aa91217c4c701c92ff0feef76980e44

      SHA256

      159ab8444550a9ce00241b39c487b00dbba0fef6a6fe6daedb8ac6576e689538

      SHA512

      8658dfd857a63a35d79b3ddb6962963d29a2c55cf6d87c8986d31f5f182fdae67707ee9f19372591212be847086e6e47275f474387baabd87255830bce6b4bcf

    • \Windows\Temp\asw.d0e75266ded07fbd\uat64.dll

      Filesize

      29KB

      MD5

      e94dc9ad1572be73b869eb53b42b6187

      SHA1

      4b5921c13396a0781ef6d20713758f6abe78e9b4

      SHA256

      f661f50fa1be5c4aa746916426dc239d8bc233258476e94c8fd446b083d7fd7e

      SHA512

      09c1cfe83ae441a8b19c83cded377b9dbb42b5c626d87436f113b2c1e2f44c5fa421a19689e424fb3775d798343a0cf20b6d074f19070cbd4e174742813fac17