Analysis

  • max time kernel
    64s
  • max time network
    67s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/03/2024, 10:40

General

  • Target

    file_release3.rar

  • Size

    17.1MB

  • MD5

    e76238f92fc7f695597b3c10422f6e3a

  • SHA1

    cc9191497835c5ed4414d607f8addb15cb20e560

  • SHA256

    3dcc8c5e9717d6bbfa0d90b444ee27bbd688e3b406990fc7c5ee9dcdf1fe5feb

  • SHA512

    8003165eb9a6cf356fe09f8e8d6e130527baa0423e3d4da99cae279b89acb61882d4e6ce6c8bc16937166db9a4c279a4fa4ef7d8d76e3c6ee779d1655aff0665

  • SSDEEP

    393216:YhzDz1G4AS3g2S8XwXs8Esssv4OEEiz14uyEKA5443ZniYlgLsyK:YhzDzJ3kvStEE1zyEKA5F3ZILsyK

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\file_release3.rar
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\file_release3.rar"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Users\Admin\AppData\Local\Temp\7zOCF820527\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\7zOCF820527\setup.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3456
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:2404
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4596

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\7zOCF820527\setup.exe

              Filesize

              3.2MB

              MD5

              d88d76c723261f0aa27f30fbeef0ab1e

              SHA1

              b34d4bc7fc2be241230ed131bf492c41984f7a00

              SHA256

              cf7f6f4d528a824902a19fe5b81e15dc47dc8d492e22f49fa3c46ae97556c51f

              SHA512

              427d243eed52203e5bb4e525efd4462d51a244df78a61ceff424598b5bd3750bdb3518595002e6cd0e08685a1f42e9fd649b4be0b3b8841e57a054208fc5cc04

            • C:\Users\Admin\AppData\Local\Temp\7zOCF820527\setup.exe

              Filesize

              3.2MB

              MD5

              2e7805df1757006d26cee73c2ea2c6c6

              SHA1

              71de597ea798d02f8aba3c4b7b5cce06dac14f6a

              SHA256

              b43a12a6436d92bb13197d01fcfd454f6b0906318f597d30daecc908f683e4c7

              SHA512

              99ec04fa2925af11ce627662c8f36b6f598473b3a86dd8d277d5d4fac58dd64ddd38cb1bedc9a2675f96ee15fb988da697703c934791e69e8a4bc46a772bbe40

            • C:\Users\Admin\AppData\Local\Temp\7zOCF820527\setup.exe

              Filesize

              10.8MB

              MD5

              8aba18ae43cbd1191d56121589dad759

              SHA1

              114481047e96bc7f0549891f5b2d806fd9b39fb4

              SHA256

              2b06620684009f179a68dd482bebbeac84e2dcbde20e067efbf1deb8cca0f5c9

              SHA512

              508ca086266f9569fe908bb3bd33f3420c70de66236449b31d3729513c2275b1414c3c2c82984bfcc2d780f392fdeb26a9c04025db6ad49519fc4ed083dd1fb7

            • C:\Users\Admin\Documents\GuardFox\2rRwYhKa7_9QR5AgbyzoFIQe.exe

              Filesize

              161KB

              MD5

              90149348341f1ad2218258051885e9b8

              SHA1

              090f46a0bada7e5903ed819ab71b39a6d242769e

              SHA256

              249cb2ebe8680fe60c40ddc63df6898fadafa5bf3c6f23022251ea46cc2761cb

              SHA512

              90cc876518bd6d663e8aa055faa738c6175cc7a7f37cbca5fe81e7a18b14527045e2a4034fbac3c8d800189efe4ecee56bf3f6d47bc4873a6a792dec228443dd

            • C:\Users\Admin\Documents\GuardFox\67IL_jBEshnyZatQekCxJfw9.exe

              Filesize

              4.6MB

              MD5

              248cb822adfb4df04fa5e54b14b1d2ed

              SHA1

              c21ff86c9aaf8459bc85c1a17e5d07d2c5d15a6e

              SHA256

              0c3a4a38bbe8a2eeb8776ac1030c69be3ca8fc05c2fe9544055dcbef13bf771b

              SHA512

              586b350fc18f29a7057f36e7d807a374895db593872d1dc37212321e38109b83bca29390a1f05997a64b1cddc4d4b2ed54e821ce9138b7f595f1fc5d605061fe

            • C:\Users\Admin\Documents\GuardFox\9zpq3ykoEX2uV45q5zNzHd2S.exe

              Filesize

              757KB

              MD5

              fb508747e743990136da1111336ffb8b

              SHA1

              193b3b1697d65eaa247a33c490638fb565dd0d97

              SHA256

              ac15b8bb1a88f1ec3fdf9943af645400d23e3a0f73a6445d52c74097918441db

              SHA512

              36f190f51d3029b8d85d35e2bed8b67c8c66794a4557c08b7c9f544e15b3f5a3f278d41f93d53a0cb64e10cf307216deeef4322712f0b16c668f8a52308041ec

            • C:\Users\Admin\Documents\GuardFox\AZ1IwWHE7WW2Ldp4fklOQ9UI.exe

              Filesize

              160KB

              MD5

              263ac8342632cae7d65d6cc28a58f09f

              SHA1

              5f263d702ec73f1460e1b67583b18bb0f5d4c780

              SHA256

              a0ee68d59cc258e5785c0bb8f3deae3725aa9991ae79d16bee95fb257c1cff93

              SHA512

              fc65a1f0ebf08adf848d6a0374cba8e0304cf39f5a0cfe3cd6e5b97894fa6ffffa9ea487c5416c2af9069e032ba7db68297dde8b77a8999a88fd6b99372334ce

            • C:\Users\Admin\Documents\GuardFox\G3vHdXtBhOeLjcZycYjGuxAt.exe

              Filesize

              4.1MB

              MD5

              37779b951546c3e3a9233e54bc54d86c

              SHA1

              b8bfeaae78fc52a8867abd22954fb69b2564de0e

              SHA256

              e6330881d1a55bfc8a4988c2bf11bf105ebcd00ed4ce2efb9a0f3192fa8612aa

              SHA512

              46e268eded1ca0341bcaaab46f30734981446af57610301b3f5f03bcfbc76163afdd94391493ae514d8396f9137b83ee6b25753190e080845627c1b4780ab962

            • C:\Users\Admin\Documents\GuardFox\HuPVXX_MhosnJSdGg3tXaF1u.exe

              Filesize

              248KB

              MD5

              1e80487867b27adf5c63b57d2d47375f

              SHA1

              7890eb73d1034076137b543cd05e04972c2eef8e

              SHA256

              cd91fa6e463eadfab0a9599a1681b1d396352a7d1dc331e96d4fba1f138263f2

              SHA512

              426f328c1b02c5c8b095e01d1d4c70501bb6e4c6322d8d94dcfaf324b1ed8bf6cbd4491d2b82ad4c32c67bab49e7a8f336006877d2924e1f19f7d555458b847e

            • C:\Users\Admin\Documents\GuardFox\KQX7BtuSBF3CPgvjMh2B1BXz.exe

              Filesize

              248KB

              MD5

              da031655889533dca1e09f639f2914e5

              SHA1

              583dec3a5f5d3a0d87670dff0b4f545b3636d7ea

              SHA256

              e0194a7754e9f31d445f4b369589571f91786828868f9a3465d30483181fc245

              SHA512

              e36514c1efda50e707bdd8562eab89a91af1a044e5ea9ce54e3d23f6af63f7c1c48288ab66159405612024261fab490946ce891bf0ff0f5222fc6cc971f75a3c

            • C:\Users\Admin\Documents\GuardFox\Ks96pZDEH3unyAnmilifq7Bz.exe

              Filesize

              248KB

              MD5

              bf1673f40fd3c6c25ccdc5ff70beb39e

              SHA1

              cd74b2c2f506cd9bd9f947ed62c89ac9423239b7

              SHA256

              db9a2d178d2e738c948ec6a5b12ed0d8f9b2694b169c23af0ffe3da659da6419

              SHA512

              8112d87795f1317886d3c6f51b0634ed2b2900b4107b6a4d8d39112ae93107a0f5bdc2ec9ab655a5d5d19d5285112e9a501f92553d11a30c0bcdb3f86ef11e21

            • C:\Users\Admin\Documents\GuardFox\L4IEBRPuT8EaLNHXAWdBTRKO.exe

              Filesize

              248KB

              MD5

              7863ee386fd3e546a90dcdb4b71d2161

              SHA1

              d9cb0230a013a126c1f34bc74fbafcbe5def9101

              SHA256

              ffa4179350385262694c8a5e85016f9867cf9a31cd4681864224c0a984831a81

              SHA512

              250c511eb5a4e0c9227015fb3bf48d15e3358ebcf921f24171d468ed68f9c3807b649439913b79a52669d58521e776b55cc93606b257482ec188c8e116ffda37

            • C:\Users\Admin\Documents\GuardFox\YxsjNT_dxQ5JxBrzBf1ncEyA.exe

              Filesize

              458KB

              MD5

              b3460fcbf91d8cd82721a5dd28e2d9ab

              SHA1

              764b0b68e26164ef3ff95b874056f3f852cf6896

              SHA256

              7ce21eef2f2c2f5ff41cee6d2faf822350d998ddc8efb37258d94243306fef84

              SHA512

              b1cde0b1fd43cd025e07bf0ab2716a483d5c30b897997e95bf55a18b597adf0e5c6f59603c6fe15361312ece097d768e597e8b473b831f34f0e810eeb8dece54

            • C:\Users\Admin\Documents\GuardFox\Yy5zQh3lJ8GeXvRDV6v8MMZq.exe

              Filesize

              2.0MB

              MD5

              21b11d93dca285ac0cc5a74630b51763

              SHA1

              ba4ee7c30cac15661595bf0219cf2e29b927996f

              SHA256

              e60bc3b9694d085eba83b92cebbc844963f4b91505b1f3a75d7588828b75200b

              SHA512

              55d8b6c3909c38a2e3d64d20e7a56ebe1f75e20c2b8c9afe10633c33b931247bdb51f8a035c19b455bdc8d4dc0debe665225452e93c0216e36616198ed49f985

            • C:\Users\Admin\Documents\GuardFox\_EJxJneHtL0NsVdUVpxg_Vv5.exe

              Filesize

              1.7MB

              MD5

              5019674eb9d5b72df8e0248d71a8e870

              SHA1

              ad1d938aa36d9cc08d004186ffc4c1303f03e7a6

              SHA256

              feacaaab04467e17d6ead3979ea003af719f387bb4ec1d7cc336f1a2f466a71d

              SHA512

              e9a7cd066015051458f73b3e23399265f96190deb241bc1c322ca7176e1f558fc21b10e2e5fda52ee9eb474b6cfe7aede62bbf8fb39d9532b654801dec49c598

            • C:\Users\Admin\Documents\GuardFox\aWVgTr02avP6BnmlGTUOLOAl.exe

              Filesize

              1.1MB

              MD5

              0bf189ba3cf96c0c9e91c69fb343247e

              SHA1

              97225c55067da12d825a241abaac1a205200c2fa

              SHA256

              33a0a6eb1b9f2941016f8b33cf62bd2c40c84e63aa88ec5fd7a5ff79948c1718

              SHA512

              7a2249c9af9b45d852b13de5e6a8e7e2f5d152167c75adf1695ff8ce41a5ec53b82bb06a0edc4ea56a8dc9d194065f7d2c5654c06ef9ca02f6b09e547c6862f6

            • C:\Users\Admin\Documents\GuardFox\auGy7Ag5sscD3e1fswWh7rBF.exe

              Filesize

              1KB

              MD5

              64b9a54f73b0ade7d815586c4302560c

              SHA1

              408894d6e775cb031103d93df49bd940aa08f262

              SHA256

              85b1976d445406ca40b370fab57ad85aea8bf1f35ed6b8dd778f1f764536fa69

              SHA512

              0c27eaffebee7a6aff95592d1634b7fc04935e30f5ce758d79e459d3982cce0b65ab5c3dd6f2bef662bca201a696a651175153b8bd3bc23c4d7c0e88b425b859

            • C:\Users\Admin\Documents\GuardFox\cP3KN4tMNjW_S4rt_Aq0MkCj.exe

              Filesize

              470KB

              MD5

              668206e5fd62a578b327c705182be24d

              SHA1

              feaae488a69baa750de5b05586143d42ec73b90f

              SHA256

              bd98091b3dffe6f65b820ce0f13eead25bcf0fe3271f3d7e9764e08c9916f456

              SHA512

              c674d366d4334e0e5356f861f3d497dc59b8d6d924f817dd2e14094d262caf22f295e48cf53e69b98718bc1021d82c1710c011e7d5580c6423e73c3ae6053243

            • C:\Users\Admin\Documents\GuardFox\jQu1dHB26eES9LuIW1ZL6GKw.exe

              Filesize

              190KB

              MD5

              ed7fa4cd0dc9f6fe8e90912dccc78843

              SHA1

              7f00c189d795a01c89d170dc3dc25f4d2bd23b16

              SHA256

              d6ee63f9436378f290d982d60e9d734a8f3b1fd487b15a5df181d6adaf601f6b

              SHA512

              a7735cf52ae3672bf3e7fc0965a22f39eb8867592d5fe4a71c67affa3ecd8b4ccbc77d1223bbe23a7a0d114108c567ea4a8d39dbb5556246da2bd2af15320f86

            • C:\Users\Admin\Documents\GuardFox\oUwzToBR_LtEaNvu9fTvkXY1.exe

              Filesize

              248KB

              MD5

              7a5f66a4962b81c79337ab5502ffe3e5

              SHA1

              6cafc485e6a35c16099679e00da37f18db0a3840

              SHA256

              680ad7b3acc8feb4b7026e649f6d1aa64c6b532cc79740fbbf4b7ebadb664109

              SHA512

              c37ef42e63a33d6aafd0333c9980b62c30080597fd3e805225c68815b4acd5bf2cd7b3d9b57098c14e9c3ecee6012a746680bc1d0839137c4941fc9e72ea93e2

            • C:\Users\Admin\Documents\GuardFox\w02upUdNqcSERwNn1YZdhJ3A.exe

              Filesize

              2.7MB

              MD5

              9c443627b82357e3707894b9b6f44151

              SHA1

              9de1815a46c92361fc9f4516f3ad9bd7e215e9af

              SHA256

              d5ea03a58eb0de787ca042e0b0b42470f4a9955e40bb96320b3f5774604d348e

              SHA512

              6f01dd4f316599b497d8ed863bb6ce6f1fd5c4dd55c3b326c0388abe1697ace49175b03c8e33e02f14e8daa9006bc0862c8b32696152cdfe2c2c76ab166719a3

            • C:\Users\Admin\Documents\GuardFox\w3wuPH9zVp_0W4czsjX8R_a8.exe

              Filesize

              284KB

              MD5

              578dbdb63e13cccbe7e1b252865d4401

              SHA1

              11ef1fcf3f04c361f26335fbf907085711970fb1

              SHA256

              e99ec9364ae470857e31e00c9b144c45397ddee1b814a3486eca5876e65105e6

              SHA512

              d06158ce7070934cc0c31fc431944e70509d70035ceb1cdafee0104ba8bf868998412bd6db79a8d805a1f8e1977919fb21ec902b55e4deb8de124917efab76c9

            • memory/3456-19-0x00007FF7D9AD0000-0x00007FF7DA183000-memory.dmp

              Filesize

              6.7MB

            • memory/3456-17-0x00007FFA9D3D0000-0x00007FFA9D3D2000-memory.dmp

              Filesize

              8KB

            • memory/3456-89-0x000001BAFAEE0000-0x000001BAFAF5F000-memory.dmp

              Filesize

              508KB

            • memory/3456-18-0x00007FFA9D3E0000-0x00007FFA9D3E2000-memory.dmp

              Filesize

              8KB

            • memory/3456-90-0x000001BAFAE90000-0x000001BAFAE99000-memory.dmp

              Filesize

              36KB

            • memory/3456-15-0x00007FFA9E910000-0x00007FFA9E912000-memory.dmp

              Filesize

              8KB

            • memory/3456-16-0x00007FFA9E920000-0x00007FFA9E922000-memory.dmp

              Filesize

              8KB

            • memory/3456-14-0x00007FFA9FB20000-0x00007FFA9FB22000-memory.dmp

              Filesize

              8KB

            • memory/3456-13-0x00007FF7D9AD0000-0x00007FF7DA183000-memory.dmp

              Filesize

              6.7MB

            • memory/3456-218-0x00007FF7D9AD0000-0x00007FF7DA183000-memory.dmp

              Filesize

              6.7MB

            • memory/3456-12-0x00007FFA9FB10000-0x00007FFA9FB12000-memory.dmp

              Filesize

              8KB