Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 03:05

General

  • Target

    3777f9d74351353daeab8d257e5a3615_JaffaCakes118.exe

  • Size

    251KB

  • MD5

    3777f9d74351353daeab8d257e5a3615

  • SHA1

    8847da8147b31e68fb0cb147b8387a1cf2f17187

  • SHA256

    9f56c71bc5d4a778b4d0f5efe4744ad61e62bb9fced14cba7ff4809d45add281

  • SHA512

    7fcfe916ea1ba78b987594a9590ecfe895b01c43dedb94eb00a2ef60a83b9b4d0561431dbc18490750c43bbbce68c486764f6f8fe4986c006fba5d85f416398f

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4seE5e58/FjEvrKpHBrr6:91OgLdar8NGKZBrr6

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 7 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3777f9d74351353daeab8d257e5a3615_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3777f9d74351353daeab8d257e5a3615_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.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:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\wxDfast\uninstall.exe

    Filesize

    46KB

    MD5

    8be20144dbd200c6de0c9430ed9280cf

    SHA1

    b81e3aacaaedd66ef0896acabc6983c94758e2b4

    SHA256

    634557ab79a29fe800721bc5f146a9b86799b72eb6755e821492f85ca66818a6

    SHA512

    fd7db954002be6332c8c6f4500fc38c1d5286022bb56f21b97567e837ee3d5a3c6db08cabcd2ffe405e7180918d6bb0b57b330703a9d045851901d01115ff94e

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    45ef3fd7a0a271a25309e3e53ff89021

    SHA1

    62c9c7630d31acd60f03dd3c0276cc1edf98a8fc

    SHA256

    ebab0953e71a77d5a6f87f1cdb39a6df3a15d87756514960c71b81c7a6ff19a3

    SHA512

    020c0872ac02db63ec36b2dd992647f9beed33c59679b91228a6b133908444acb04a8d86f2a1622c435235f65e43a61bfb18a4a4e5f0ad53b2b30f02a33771b4

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    5c05674d022463c60368f541caa68ef4

    SHA1

    4ec3e400efcfe53bbcc5c5ef9d8b0501c4dfecaf

    SHA256

    c2009c23f4f6339038a5b232e32d08dffa2f5da3518a8584b77c7a9cfa046330

    SHA512

    5902fa6e785541896b1b2ad75305d64386b92dbce380667e6973bf04e3049f22ff71301d73c5383719df017e5819128342965e58891aa913e48b1c2514cfeca1

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    00bb9dff319b84c848415b833937b405

    SHA1

    2e21e503c9f5d43fea95b35bc41a3b310d91969d

    SHA256

    24e5e16028263430cefc1604392d4371f631e48207416d03b10ee9350cd25cc6

    SHA512

    11a3fb22bce55d0544768a000947c79be3ab2b5dffee9efcdec99e3bb14b8f7ab25c5f045e7825aa83ab2a348afa3e1cfb95b8bea63a9074d7f0d12d7add3a6b

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    b9737bb6d9a0429cd007a362633d4610

    SHA1

    8cc2cfc040372b43aec49ea39e68c875eaa18b04

    SHA256

    0b7ed0ef82d2870a725f6e57a8d97f734099fe7067208f16b2e632413af3c7cf

    SHA512

    4e16bf5447e23d2a3c6ec2471e7fd90e67a3d63894a288270213d453874003d1b2af31ae3b4e7e26c5507d9dfe1a986d650d058f37b9d1486f3a139ae31e44a4

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\[email protected]\install.rdf

    Filesize

    714B

    MD5

    66d89e8ee208e834cdab3ac0e73191ef

    SHA1

    1a40b9fc6c99303fa72d014f3180770565b7d16d

    SHA256

    09f64f458511eb5202f0533a7f8d4d4afab2dd96db183df78285996f6c348bc5

    SHA512

    6d20a86906eda7af3607b7e3ec286ffd056a7fccd7491fb8475bd075fc66ddb49117a0e3b396b17843e110d85f8bd8bcc38a90f250981fef60e738d3afa76b9c

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\background.html

    Filesize

    4KB

    MD5

    01bdcddf76f1d0650d2d505f0bddf717

    SHA1

    fda4a12740d7909ecdd359b6edd7cfed2d3630c9

    SHA256

    d1eea0af5d3dc0b579911ce4bc6cdcaec56121be2f2687e363eb2aea721654f8

    SHA512

    f76d230b6c2c4a775442c7c1e78513ecf7be4c09f3cdb245c3061164cc8261032a75143f3ce7f3664398b6293008e65f29215bbd32f8f53fddbacc322bda252a

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\content.js

    Filesize

    389B

    MD5

    3f0570b4e48a6a150f0a2d765e8a9a3b

    SHA1

    5318ef80f33a96f4c4bbd658652204efcac018b6

    SHA256

    accbab1701547620a21b9622f463fc6006a0ba770beac249442ebde7941eedd3

    SHA512

    085b11e9c21ee492bd296d7fe3c17bd00c247164b97683960985caf6573dec5fbe7f1c2064df8ab85dc0720a5933c6e16afe0ea3690fbd46dfc21817f2fb9cbb

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\dbaeghdijnlkkjjjhjoebckkciiigjhf.crx

    Filesize

    3KB

    MD5

    ee055ea61cd45a6497d17f797f2a7272

    SHA1

    8c9a4477b1cb1e400fb2b053dcb250adc71a570f

    SHA256

    b42b19fd5aad5e592207826963fd6378e78af0697a6d10d49e7dfbbb0b165a2b

    SHA512

    766829197ab1166c70f70479de3fab43bf6573e37c14882cb4fa6ec0d2f9ed284e1daea6cbd10f501cc9bbcb29a030fee4702cecf7dec4d3d63e819c278821f4

  • C:\Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\settings.ini

    Filesize

    660B

    MD5

    d88308a8ffdba8b6d5576e3510c799fa

    SHA1

    4f3d983ae65038c66ffffe68d403bd8b2b275ef7

    SHA256

    94c7199c802a0e9cb6d6c7294c874754d422f282a230ad0d88c2a0694eac5cda

    SHA512

    2a8a7205863945fd33e494a717437367f90026d3121e99b603a2e97669e5eaef52344b5dcd1331f112ba151e23ac180b2ae948cfb980954c89929ce75fdd2e80

  • \Users\Admin\AppData\Local\Temp\7zS4FA6.tmp\setup.exe

    Filesize

    61KB

    MD5

    16ef6e914973925977cdc5ef6b8b2565

    SHA1

    4815da2815975b33f5dc94d482e6dbc02588afa6

    SHA256

    6b9a2b64b90799f1d50458dc38fb4e9e13a8abb37210c8f5d9eeedae84c6912f

    SHA512

    c74f0e17878c4598b626edb5e75e7ee098b71c0c26454ba709e2ea438517670ce11abf7d909470e6c935a21d0413c0d14b29960af9bd6a423e3261789a35b059