Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 22:17

General

  • Target

    438df52e9f0c62e640f6e43573aeb8be_JaffaCakes118.exe

  • Size

    313KB

  • MD5

    438df52e9f0c62e640f6e43573aeb8be

  • SHA1

    401462c094f402102e35766914e4b5888509443c

  • SHA256

    5bcecf25f19b35ee9d84e32f9ada58120ea341631d7d93b95d4a77ace705324b

  • SHA512

    6d69af7fa2514582e1ae0c72d0e26ef33665ee025de74675c3d0e55914ae552cc4d708a996c3b7c4bcf0478fc54777ca1fa99a4874b2e503fe5c388164298c4c

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4s39PaqxoY6Hw2ZP:91OgLda0wg2ZP

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\438df52e9f0c62e640f6e43573aeb8be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\438df52e9f0c62e640f6e43573aeb8be_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3636
    • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.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:1032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\wxDfast\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    e179def3adc1698e10db4f5c070bb620

    SHA1

    73d740731745c747d125329794b9635ae4070e50

    SHA256

    59f1cc65dcb5036626b9a3e037cbbc8b509874b0600a55a7d9615ccd40ded633

    SHA512

    43d029b70033916f6dbb507840070cee396d5bf576b18e82e37563b3878690c031a9cc46ac98f227179616210e9efe78abcfeba6a3cbc409b975a0f4d33fb98d

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    a8cd6309d1a279629a6b8cc853d5dc04

    SHA1

    ddd4b2cca840f7c8ae54c0e6d33e366896e73cae

    SHA256

    32f2ef5869952877d256964c460f2f704c021bdb1b835ce678b917dd59a0a09a

    SHA512

    2e3042411582f3d0b8e511896b2aea270bea15cdc3dd31f0108704c6b349d85ec9ce2967dcdf2c4460d000c5294709c23b66b2b0bcf38e3578082319e9c5b29d

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    e1294b1ddce471b3c3b0f91483aa03ed

    SHA1

    739026f6693194a550b5e82d993409d86a391b6d

    SHA256

    9b044ee624f9afdc4a623f1e6601b38d0785733958de149f256778009b15d54c

    SHA512

    7a4b4910fc58c4da8b10ebe2283d92705b86737d672f67491633b45769921c68e91bef7455047d2f0406249d0021111a6efd7fc746b8426754a14ecdf3a70838

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    aa7325587309de633ab463b2d14126ed

    SHA1

    de437221bfa64ad9453b4e1e8d4e240e2dc420b1

    SHA256

    ea755f592dffa30ae7149ff03734a1a3984f6de89966e76a5f7772883f4787af

    SHA512

    4ea77e87ae397d7105907971a09e218de1526c9745f299e1d4ec7d4c34452b1330ca6cf2089e3ebe1e9cc0e8b8e5b74862eef0fea092fb8a357caa9f80800c9b

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    f128e8b370200b754b8dcd6e5a6cd984

    SHA1

    7c1eb03f28dbe14d55d5815bd9680a935de4ab55

    SHA256

    78e3952f670f3ebad9391453cc04043e5a01182d4dbc6b21ea662f620e165d34

    SHA512

    e4c8d4915ecb28fc899b18cf74211eb5d517b80aa283cf6e38b175d244b901c1f7393d714dace0a4fb5bef086120a1adcbdbe2b64bdbff86db09b26d2b9e9a05

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    1eeaaadfb0a73f2512f829b543b5f384

    SHA1

    165e42e063b7795dd53e39bf6cdbfc2fdce00bb7

    SHA256

    72827aa76f76175043f35219c03e6851aa4e5ea4e87ec0c270c802a151b22cd8

    SHA512

    ec7dd473b34999750155a687e25001c0c48b356dd7fd0743416b6b84ed7047365547e08ab3c99c428ba8d57e85a17892143671697aed02e94449412ce13ac618

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    3c759be9ac10f70b973b4883f31cf77e

    SHA1

    53456fe339632c191a7183313cb284e20eede863

    SHA256

    aead8038d90fe92ded3549fce315277c8d98519070430ce99de7104a892488e3

    SHA512

    d99f4d273b7864150cb83ee1643fb221d4907a6a798797db2f3e5ae45bae42387f224b7809eff18cbf19a9dc817a5487090f894ea25fe9c07c4c841ce433dc95

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\[email protected]\install.rdf

    Filesize

    677B

    MD5

    e8e31bd9bf4cb1175c2b29489ec13b0a

    SHA1

    97166f262e2b2f51d11b502e0639a89a7d8fe644

    SHA256

    02d6025b6470325d66daa24053a4b6e70af6a649daf63c34b524b8de37760bfb

    SHA512

    261925484cae1482b48753a51d3b61287a69a508a001a9e4b328d406a94800c0a423125e7a6c8769aa680c92f468608e6de9b03c5653a0d60f94366aa3e614f6

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\background.html

    Filesize

    4KB

    MD5

    0cd5d8562f2592c1c91121370ad05d83

    SHA1

    076a6198565085711c239a3aea5402829959ebae

    SHA256

    6ad8757f67f2332080d01d3013ea5659d1e063762bd21edc511ee454d149f62a

    SHA512

    da629c71f5bc517f4716071e2dd76578d4fc30337174cbe4524c8fa0babe8a7abca3ef051a7403e198de8394adb841a212d90065bfd2c957fd9539c47a57aa05

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\bhoclass.dll

    Filesize

    137KB

    MD5

    ac13c733379328f86568f6e514c2f7f8

    SHA1

    338901240fedcef4e3892fd4c723c89154f4de05

    SHA256

    7bf09b5c2a9b6348227199c1b3951b57907ca6a5c215a04ad8d5e43232f5b562

    SHA512

    35f69a82694a2ea4268a3dde7940af6bd1c87a32d93a72723464f90e4e818805be9e80872469d1cc29150a9aac872fc78613a584baa1327dfa8478c2de5672c4

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\content.js

    Filesize

    385B

    MD5

    e5f6e3036a1823858c56688645578c3d

    SHA1

    41350e7bfb9beeed6446a9641536f9bccb35d581

    SHA256

    3a60704218d0596690017a34e7dc068cdbdcb62ef48937d26188185fad53360b

    SHA512

    9256c29395e51fbbfa7d7c821c903beff5b3f59da6a779dc22be67ce2d8fa53b023d1e51315cb82bdc0811e9c034f18f9090e308980a2bb9a5b2dd3aa2bb8349

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\kdgbkdkpkfcaddncebfaffnfbildkgdf.crx

    Filesize

    37KB

    MD5

    1a7d8f319cbcef55d3b0d4161fba40da

    SHA1

    ee60d20cb0184e9c66d102db26e58a2567f1a688

    SHA256

    f8cfc9c0ae14cf2b0f0ba95a0d3a12b1795e690e45824e26c31d532dca88f604

    SHA512

    730ab3e80fecb37f241fd66fa8a492451c950f2d523990a14adcaa56a82e070fb02f24042b709d048c81d0867ed0cde9ff7f2b23185b901b7b5e3bec6cdcd04f

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\settings.ini

    Filesize

    599B

    MD5

    06d4255afa7d017e20f5637268f0030d

    SHA1

    5d454b476825c0d9d671342e26a4cbc718b35039

    SHA256

    eb22070a308614032505c274fd77f2ffe6455e42317635ccd0372739821f6dcb

    SHA512

    dc6ec155aafd089c074855c6b5666b81cc876b0df4509d3a12767ba660454da42237b00cf14675a25334be8ec5f517822b47c136665fa1fbb1000950481a2e45

  • C:\Users\Admin\AppData\Local\Temp\7zS7CF0.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b