Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    08-07-2024 20:15

General

  • Target

    2daab4163f0d5768c86e7a55c76a525f_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    2daab4163f0d5768c86e7a55c76a525f

  • SHA1

    25a023aa653386fadb59a5399b3e32fa15b1baee

  • SHA256

    84a05ee7f116ce811fdb13f70056dca5c0daed0e495d0835d8ad9a847dbaa9a1

  • SHA512

    45719f562c70e6fc0257c3f4b4772d174a55787da8ca15b733aefc97aaef599ddd0549b00dc06c0c429bd920688b8df638d464fcafe47035b95f0190bdbae8fa

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sL9LWkovkiqE5+e2aBsE:91OgLda4ZnovxqEQESE

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\2daab4163f0d5768c86e7a55c76a525f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2daab4163f0d5768c86e7a55c76a525f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.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:1412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\wxDfast\uninstall.exe

    Filesize

    46KB

    MD5

    8be20144dbd200c6de0c9430ed9280cf

    SHA1

    b81e3aacaaedd66ef0896acabc6983c94758e2b4

    SHA256

    634557ab79a29fe800721bc5f146a9b86799b72eb6755e821492f85ca66818a6

    SHA512

    fd7db954002be6332c8c6f4500fc38c1d5286022bb56f21b97567e837ee3d5a3c6db08cabcd2ffe405e7180918d6bb0b57b330703a9d045851901d01115ff94e

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    b9165e81934c746e3a33afc6bde86143

    SHA1

    ce38f37d26d5fa6309f4d42cbf470bc4a884b100

    SHA256

    3edbe3448cc74e7862db06fb08a8250c044a6aadbbea35a365560080eaaa3624

    SHA512

    fab8731e561554bf3ac4a32950a4111d3bca7d9223727ed6eccca598777bd697606a11f658eae3d28f6dae16faf40fda7387d0e25cd8f3cb750c871f77178bc8

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    28ffbc843b50a797b9b8d32cdc7f6372

    SHA1

    2b6d0935eb411e2426573dbe756b8b09a9dfb29b

    SHA256

    9a6aec58de52cf3111b0ebfe1be9f354b62973583d0994531b52c93b6aadcd5a

    SHA512

    bcf14486ac194b471e22db26b4a310b36f4688cb6f756f8114e327cb9d72e3ba8a051a297ab95d3337bbd73f933017b3243368a8d7354fb0edb12bb1425428d4

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    be2768e54d9cdc039c3c54bed9b6b671

    SHA1

    2f4e02bc1ae7e2a74b0439e4b8d140710ea7b54f

    SHA256

    d84c931fe482837ede51990a6d9887c92964650700773bae8de20745c1d0a0d9

    SHA512

    e165a02a2d928999d46f6d78148698e180937946c4dd7258216869bd75fe86d575dc4abaef0128f60847caab32781734bd68f45a3a1b9406090751797ba7c0df

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    236105ff0e16fa616c6484d8d48c68b2

    SHA1

    7f5c98ce2df5de205447ed3c909e77ddceb1a410

    SHA256

    1314da3f98036c05b674d1496f36865ad81c00aeea781b289e490d99e2aa4b75

    SHA512

    bbc3bb8b5b693c407fdcf4aeae6f3a8c02f79e0228266d638cc7d12d386d7ee46a052bd069e61737d852ac65e48a4c840bf21cccddb8d16caf2bd9d872ca51bd

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\[email protected]\install.rdf

    Filesize

    714B

    MD5

    f16ccd3ad24186928e2cdbee161e27b4

    SHA1

    d89fe8c809698a27749709c6373e4a40140e5279

    SHA256

    e9439c90657eb01c2413b786da323931326d19d1810bcc8577ad92ae81ecc704

    SHA512

    c33048b1dcf5c5a064436e7819046e0afe353d527a7357c52da70a12c765823545e9dd877d159b515b7fde78b7b5dbeb00fbc1043be054cd5e0b6753a7fc8315

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\background.html

    Filesize

    4KB

    MD5

    6f841cb89bd4753424fd3d1c7af2afa2

    SHA1

    169cabce0e9256f7d57f8ca15eab1fe14924fbcc

    SHA256

    e2c3565d90f37ac2400756b7037b3235925b0a1635787bce337bbd95130c7358

    SHA512

    42c9654f57d2b6d9526a045bc3ce001996d8fda1ff23d5e892a7e2225b768d619bae478e6f64ca0696c8872d227c07df59cd197c497a21d9f9d16528b94776c9

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\content.js

    Filesize

    386B

    MD5

    93c5fbe6d6302ba7887b6317e5cbc763

    SHA1

    a911cf96a227bdb0178a570609015ab2ca8cf0b8

    SHA256

    d8f1e33981f3dbba02b63f08b359b38397d3974010668cff2d45a976985cad90

    SHA512

    fcf9bdb51cc9e45068fd74784ea9b819ac84152cc80b10e97b425029dec18dff0f01705ed53555400c9d1a4b620d61f09c158a72e637c13b29efd5da7b29ccf3

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\gegopagafhcnmphamdhabpchoehmophe.crx

    Filesize

    3KB

    MD5

    837e3caf7601488a1c525f4532a5ebf5

    SHA1

    8856d0e53bd481331511f4f1f5acefd4999fadc3

    SHA256

    43bc9e0c3bc00044b334fd9ba89d54b66919dece4e564158ffdf256a62d94b2c

    SHA512

    84689a8e233a5caec4085fc4f9e9eb7156d64e8565201151618a3d8b86aafb3b14a762e386d08d1464fdbc3734e51e9075f99fbc5930b418c8b82f5f71878ae9

  • C:\Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\settings.ini

    Filesize

    656B

    MD5

    666e557f9caf77590dc04a95ac6e5ec6

    SHA1

    1d511d496f604fadb057559c4420fad47820039c

    SHA256

    27e3cb4c9c51e444c9779ba8db95d9e4fddc473dd2a772e00262fe67606329dd

    SHA512

    bcba21a54ac7fe1f10834b97b0957bd587a98ec8078ec45e857e771426525aae097407a6ea43ce6c7b9e2cea1a953ec0ccc3d078aa05cf03494787fbedad16e0

  • \Users\Admin\AppData\Local\Temp\7zSA0F1.tmp\setup.exe

    Filesize

    61KB

    MD5

    16ef6e914973925977cdc5ef6b8b2565

    SHA1

    4815da2815975b33f5dc94d482e6dbc02588afa6

    SHA256

    6b9a2b64b90799f1d50458dc38fb4e9e13a8abb37210c8f5d9eeedae84c6912f

    SHA512

    c74f0e17878c4598b626edb5e75e7ee098b71c0c26454ba709e2ea438517670ce11abf7d909470e6c935a21d0413c0d14b29960af9bd6a423e3261789a35b059