Analysis

  • max time kernel
    193s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2023, 15:21

General

  • Target

    0386be8c1d75cad6154347f5bea008f9.exe

  • Size

    313KB

  • MD5

    0386be8c1d75cad6154347f5bea008f9

  • SHA1

    bd4b516722f9d415368097b04485bc487175bf68

  • SHA256

    2d469c604ff4cd3931054750e02a855f7400ebdcc2069f4ed4ab53f135e7fd9d

  • SHA512

    6191778ea759708fe315b6c9b4e0253d0098e3ba493578626aa4200a55eb4a91bbd96c1c305ff1eacf7f4d7fd2a528890b34e391d157ee9acb37b42b910d4035

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4s2ACZEALf498e0mu+6pJXil:91OgLdagCZbLw985mL6pJSl

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0386be8c1d75cad6154347f5bea008f9.exe
    "C:\Users\Admin\AppData\Local\Temp\0386be8c1d75cad6154347f5bea008f9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:5100

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\wxDfast\uninstall.exe

          Filesize

          46KB

          MD5

          2628f4240552cc3b2ba04ee51078ae0c

          SHA1

          5b0cca662149240d1fd4354beac1338e97e334ea

          SHA256

          03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

          SHA512

          6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\chrome.manifest

          Filesize

          114B

          MD5

          b2f367ff48b7e981b512b14bb193fd9f

          SHA1

          d6a9836c4b780d8fee8ba5dd6f33d4f1d19beaba

          SHA256

          0184d25b03489f166be3fc01fc347f040a7ac0179a6b90fffcd9b4e360f69456

          SHA512

          7aa06740f5a2930a468adb973cf2ced1137da0742e6b6091e465a907eca5a48fbdada7762afe80d5d03855c84aa11f9e5948b89aebdc83b6a1cdbdbb34a0bd71

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\indexeddb.js

          Filesize

          1KB

          MD5

          116a691c4d4f2aa8831f028319e4afdc

          SHA1

          d017f7b033b224324cfc4f74a918d50a157da02d

          SHA256

          c5d5e7a04ce23b1a9135c59794db95ff41faa01ba0b5d72ffd18ef3f5d17c18d

          SHA512

          dc3aba95069aa9f5014db815b71a116e82e1273546dc63f6b846d88cf4e9f560b03606afa83bf623143547e656707987f70c6a18af74eae3b790cd77aa19ab2c

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\jquery.js

          Filesize

          91KB

          MD5

          4bab8348a52d17428f684ad1ec3a427e

          SHA1

          56c912a8c8561070aee7b9808c5f3b2abec40063

          SHA256

          3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

          SHA512

          a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\jsext.js

          Filesize

          6KB

          MD5

          9dac6b6696c8ff60756598c16dbac3d0

          SHA1

          a693f5682307ec567d6b7260ba8703795db1f2ef

          SHA256

          64629328093ca0bad50512d31123ec95829182a20b17b4f1d2cdce2227b56069

          SHA512

          4aa59eb7b47070f1ec5853a96861df323efcec2f0f7948d8f44b0ff45f827ebb0dae9c73606d9304448cbbff325ffeb63767db4d2e5142a69f4b0c741f2145df

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\lsdb.js

          Filesize

          1KB

          MD5

          236404018ed6370e3e8d00f0d6bf6a39

          SHA1

          c07eebb5b8737e801d58c7778a392ff47335cffc

          SHA256

          75ae543212fb374214b275426e7eaa2da90d2459d82fd99bdd0d9b0b27912412

          SHA512

          8d6f880db1b38e531043331cfb44160cdc071cc302de10d6ca02aec8a55e6d56bac1a1975e5a04df2e1470cac5a1b3c21ac5b1b3b902cb24975183dd8f3a9fbb

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\prfdb.js

          Filesize

          1KB

          MD5

          242f0df33f5837ac620de7667ac6ffae

          SHA1

          e507c39e8357d4e1ce16d2a800eb32e9fb10fc94

          SHA256

          1cfc0717f05705d8aca4289f9636e7a92b040733cd58566785cc42628c592482

          SHA512

          9964d5e1c60ff16ac7f27ce6d2ae68da4e8b3f2d172bca44606dcbc654eb92f12595e8c3616ebaef3dbb83016716cee502d4b5330d8a36d90b609840484bc7cd

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\sqlite.js

          Filesize

          1KB

          MD5

          6562f760aaea69334698b1ff778b46aa

          SHA1

          8095ba70b64c433e469c6956180fc4a52ae1fdc5

          SHA256

          265ead868faa8c4f3a35b3c777de69109d307d386d75b9a588e6762d956fd0d9

          SHA512

          326c8163381df0970fc76475ddcca84c7640879f0d92835bf52a60775c168f6b79f976c5c583ce8da5baa85d1650b3dd9593de86f4ff006c026814438c1a52a9

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\content\wx.xul

          Filesize

          228B

          MD5

          76edcd9822a6a3928016f67600c1e104

          SHA1

          0d7f72f1610f9514f08db3dae0e1a86be46cd06d

          SHA256

          bd26a8fef024ef83131bc8e99442897e7921a344d17b51c89473f30643255877

          SHA512

          979fef510adb7ed7774dfc29b0565daf0878b2a2d22ed273816f10016499a928170121f00eff67866d1e036979210170b8bb2a326916168742f068c9dd299547

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\[email protected]\install.rdf

          Filesize

          677B

          MD5

          70ea276bf0d2b532e6223229ce665fff

          SHA1

          29d6c78fed534f62b2af87c51a16a7b47d0e91f2

          SHA256

          9be81306e947a12b955a48d7327a56735be1dd9fcd007409da4c736f125760db

          SHA512

          d216129b4c10e89b837f48ff8f28ea7ef643723465563dca46b6335527f279673665c792c3ae27254dc357de3c4420fb365dd1efef81f1f5d5d02fb5c9a9080e

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\background.html

          Filesize

          4KB

          MD5

          5bd7d39ab1c0ae8989fce0889340a0dd

          SHA1

          50c81f63f934f76bdedbeb56df862a7844d24a31

          SHA256

          2a111144d073b5366ca9cd28e674cf9b66265857d1cc3cbf9b5d2fadd40eb6e8

          SHA512

          897ef3e8e43fb368d1552af6996956a9e3f65cb127392806f3753be1e8e2a26eb8fbb9024756feff9ce2920e63fa7dca73bbf396bb896203133723a94b57ee56

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\bajdoddocdgljpdnckbidkdgngmbaili.crx

          Filesize

          37KB

          MD5

          94a21f3793f98ed4c5f0be8a3be5d191

          SHA1

          afeb2d65910eb8a0796392c4a746522dd314aa4e

          SHA256

          7692ac18f7ecebe7a8f7e776e29cd7d39289c38c1ee9b45638aa4dd56849ba99

          SHA512

          60b8d472d906a1d67ae156e883c1e3ac70851ca89e3fdf02e071b58596e6c5b735fa28b44f6e6085abc5321fc4f50e223fe2dcca1ca418593bf38d4298291a2b

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\bhoclass.dll

          Filesize

          137KB

          MD5

          ac13c733379328f86568f6e514c2f7f8

          SHA1

          338901240fedcef4e3892fd4c723c89154f4de05

          SHA256

          7bf09b5c2a9b6348227199c1b3951b57907ca6a5c215a04ad8d5e43232f5b562

          SHA512

          35f69a82694a2ea4268a3dde7940af6bd1c87a32d93a72723464f90e4e818805be9e80872469d1cc29150a9aac872fc78613a584baa1327dfa8478c2de5672c4

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\content.js

          Filesize

          385B

          MD5

          e1ff44b329777769453b85344238215b

          SHA1

          4874f605ef0061a6ee133f4b54616cb4e4922625

          SHA256

          dd31042ed0746d4fd757970d22cd7cb9c51b85744ecf6ce0645ab84df48cba72

          SHA512

          ae9ed41510da1b52f3c47ca1fa1f91bbf6ea92904b67d3faa797512646ec0e2b17a54e8475d3f05e459ada908f5437918c6c44377481b00d00a5c074aa11fa44

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\settings.ini

          Filesize

          599B

          MD5

          2f84adab78598ce5ad77bb013ac01278

          SHA1

          373906ada9c2c0f813f3d3fcd810aee076e478f6

          SHA256

          585fc44bb6ebb3ff9cb5c5264531f6e74a76af7125c4ce624c79040a21e6cefa

          SHA512

          4c30bba5ef2b21f401c9278824ad9ebeb58aff0debb057e3f01af67ff9a9f367cb4dea30593f0d0d5c0962e83fbca54d255ba222d363f206e65b72ee8ef61de8

        • C:\Users\Admin\AppData\Local\Temp\7zS7395.tmp\setup.exe

          Filesize

          61KB

          MD5

          201d2311011ffdf6c762fd46cdeb52ab

          SHA1

          65c474ca42a337745e288be0e21f43ceaafd5efe

          SHA256

          15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

          SHA512

          235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b