Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 16:53

General

  • Target

    4100c4c8dc629767495e2e3b38ad7ec2_JaffaCakes118.exe

  • Size

    551KB

  • MD5

    4100c4c8dc629767495e2e3b38ad7ec2

  • SHA1

    bd2122fa830c6ca468eee994aaf37d72dee8108a

  • SHA256

    264e63bf2f1fe49f109a3b4cf265bc0fe1fa1bc5e75f0ac66e26a1230397e2a6

  • SHA512

    28e0fd78702ac1f66aaccdbc147ae01adf0bd56dc6f6b7d9e94f8e27e8210b3801efde174c636b53010c0202b4c38f53d0aa12d6be9b299d392cbff8d0288f03

  • SSDEEP

    12288:h1OgLdaOCWctn+MEfOUgbJuMmFcouJqkN:h1OYdaOCtMOUgJHJJqkN

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Drops Chrome extension 1 IoCs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4100c4c8dc629767495e2e3b38ad7ec2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4100c4c8dc629767495e2e3b38ad7ec2_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /n /s /i:"" zUT_Us.dll
      2⤵
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2956

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\8ajOLs.dll

          Filesize

          180KB

          MD5

          0e093772550eb9541dd715c016b5584a

          SHA1

          20338dc859a5652f5661280dc508f4e5b533e76d

          SHA256

          028999304f35f7a6fc2cf6e360d4ea587612d63ce191fa979cc98ccca46ab149

          SHA512

          0030b395e2fde6bc9f70f52e71d8e87d306cff8afd2acbad725c4cc92b6d7916a38c1d6d156feaec841966492d32394982ef51989e2b8673d7c00e103f744dd5

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\8ajOLs.tlb

          Filesize

          2KB

          MD5

          48e9706fe9f76731f3576122fc3e9e33

          SHA1

          387c8c4898ead8ace488a7df80fead429eaf167b

          SHA256

          7bad79916803a14ca817e5c39f5ec2f0f240044d6dc24fb4916c8fda338060f1

          SHA512

          e9b44a2b1b7a806066182a084ec9df81916fc6db79710256e173377e7cd64a732c006830bbe324a9a734731ecde8b8251cfa995399f6d4df5322faff99c458b6

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\Preferences.C__Users_Admin_AppData_Local_Google_Chrome_User Data_Default_Preferences

          Filesize

          5KB

          MD5

          da1b6146e6eefb12f60ada938c891526

          SHA1

          79820b20f9a31341c6b9cb0699ee2898b3da4f65

          SHA256

          e4e7d5a8e268ad49f92b54ec953c6a5941d3084ed7064bdb0c43709cb0246d4b

          SHA512

          a9973eba7e33f0fa3c4c47dc3eedca40ed66973f822dff117e230131c6dd81b4ca06a31288e2d740160767c5aaea06f403c0bda43a79088bf0d16355dd6645f2

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\[email protected]\bootstrap.js

          Filesize

          2KB

          MD5

          067bd74fe9b513998883944a3f5b342e

          SHA1

          2585475f7ab5cb5b7899ac84022465e83c7777c8

          SHA256

          881559ac731a77e770a9f880a02bc24f6ef2845c179e4300722054b8940bc320

          SHA512

          49434a4265ccb429c91f43bc8aeec7b7050d010eca7898f5028e8a927307511edc520f2a19b594b584883e3d3e214c63562d87174685edd16ab1dabd41d22699

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\[email protected]\chrome.manifest

          Filesize

          106B

          MD5

          75f7dcf95837e38928048045d3263d25

          SHA1

          bec33b4f860b7992e3ead9f1f3dc0aeb5f65eff1

          SHA256

          70810a6ff8d5a1592c5551e021c91c6a86d0b0a8a05487c9ea271e3f177517ce

          SHA512

          561933028d20b3fc63a43e6a5cb0c5455a551b2e455ec0a85ffb8547ed63dd17b9fbc7a8d1f70d7510378d978e63e3eed5ca9050d598dc792cf14c2a523d26e1

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\[email protected]\content\bg.js

          Filesize

          9KB

          MD5

          b49854ab4e74fbc1b12e59caffc248b9

          SHA1

          6b37a4e92d58c99bed96ad04e0a5b6b52e961b8a

          SHA256

          dff66707e75989bee561b7bb54ea22b5bdcc4d62b1b0a061bf44e94cb2e52b9a

          SHA512

          cd41b5b05ae3d11dee0d8d8c15b064e2ec79513661cedb23c2a1d2939b1c4982460925839be9c566e1ed13a7c877022eb9906eec3a55cdf3b8da95f16b93a9d4

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\[email protected]\install.rdf

          Filesize

          609B

          MD5

          05742dbd60182ddb284bb361eaa9b856

          SHA1

          00cdeefbe9cb8ce84700154f576591f911ef0953

          SHA256

          164aeb8c67576d9b6d1086576b5747d56b9053a835fcbdde6680aa3a7a2032b6

          SHA512

          76e74aa4da4de402526436603b3f6d8dc58f86204de5cbf9dd74b0eb2d870261ebecb330c510e74f8af02983cb37652112a6f37c545f741d24b0f77cf4019a1c

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\homobjaefhhjppohngdnaajkecaccacj\WF9SHM2.js

          Filesize

          5KB

          MD5

          142aea71cd90668826f3bcd30d3403e6

          SHA1

          62ae5ce4c73e412fe133e7ae6fb00483c6b63969

          SHA256

          83ac38e6de11bbeedb2bb80535ec83173ec0f1c0002f21496043de1ad54b5782

          SHA512

          2fdd3c81ca298aac7650d059c13ee5a2a197b2db9494fd215cd2dcafdba8181a9414f32a9acca96c8d7748a191e15e5b2508429f1e4afe65934883108bcdd9cf

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\homobjaefhhjppohngdnaajkecaccacj\background.html

          Filesize

          144B

          MD5

          d224159a63481aee918d4dd352bcc711

          SHA1

          7f57c335c658e39c0dd7e0ab8ad7f99402d9727f

          SHA256

          ac06570ae37d70c354b191ed21c51dcd3bfb5f6b83630235bed6bb160d787d46

          SHA512

          f283ffed45fa13bcc1e0058e7d92d694a7c2ca388a0dd4081f0c52ccf75205e78fd97f7dbbf7d992b2fd1ed608d4dea7bfe76be5acd1f18ce04bcf85a334b9af

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\homobjaefhhjppohngdnaajkecaccacj\content.js

          Filesize

          197B

          MD5

          5f9891607f65f433b0690bae7088b2c1

          SHA1

          b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

          SHA256

          fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

          SHA512

          76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\homobjaefhhjppohngdnaajkecaccacj\lsdb.js

          Filesize

          559B

          MD5

          209b7ae0b6d8c3f9687c979d03b08089

          SHA1

          6449f8bff917115eef4e7488fae61942a869200f

          SHA256

          e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

          SHA512

          1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\homobjaefhhjppohngdnaajkecaccacj\manifest.json

          Filesize

          505B

          MD5

          6218ebfcdc966358dabe509f2b2ff9fa

          SHA1

          994dde46e2a141a57ac342483f68cd83e2b643a9

          SHA256

          00bdb4805b5bdae1eabfa606af12ea9007a623f0375bb93a005efae70cb369d4

          SHA512

          8b899ecc9df14446c3f4f7e02db577f3a98d814f9b04a3174966cc9d116b4c561f897cd248cc75a9c56758cc5853bc23f6cbfe22577694d67a141e81f6e5100c

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\homobjaefhhjppohngdnaajkecaccacj\sqlite.js

          Filesize

          1KB

          MD5

          bb4621ec644e2922e45e23c84683809d

          SHA1

          ce5bb9930a2d4f8671cd13bd8af1f87e98f2556c

          SHA256

          266397b0f478d1c08d8bb3f364512c7c5115b63094986aac5fe0a4c54ba75bea

          SHA512

          bd67b15cfc1ab3b4d14463381d8d64422ccbd12ecbe7571a6ff97cea9301c3f155d9f5bbb543c7cc61cbae57005a8abc204c3fc66ed59741683c544725c2317e

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\settings.ini

          Filesize

          7KB

          MD5

          7a1a8fbbdd8159f1ae9458040f30b641

          SHA1

          86f517061171302b13700c8a36a823b0daa187b9

          SHA256

          e1c7d81f3df17c588816a04fa38e058482e50a6e0baedf38353273ce048bf35e

          SHA512

          a75d796d23f4a5c3e0d7cec57fb4c52d11b215dd98de8e9004ec7c9900e4e20f04e541a549b5680e19b8c89fbbb26c4fe7e9c16d76fc071817a7c7b137bee7ba

        • C:\Users\Admin\AppData\Local\Temp\7zSE6F5.tmp\zUT_Us.dll

          Filesize

          203KB

          MD5

          41b13b132cb601ecc466654b90296353

          SHA1

          245258ddccb48826f22d57444f49fa30be1b36fd

          SHA256

          7fa4bb68c313e1090587a64b90e87bdcbc14ea3fb7c0e8cff94c657c969b70bf

          SHA512

          0e8de7bbe3695848e299fe3f3506f2e982a60cf0a0dd11cde86de4af67ef3c7b46458680d7bad9cedaa266ea33cb2e77f2aa83fcf1bdd20bf31d1936f2bd69a6