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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 19:26

General

  • Target

    103dbe92b3bc8a29ffe0e87b0981ae73_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    103dbe92b3bc8a29ffe0e87b0981ae73

  • SHA1

    7c443e543499f871d5dd11e742fb8029ef19359a

  • SHA256

    a31ad6e5eddfa686c051dc2424d9336a67ada39516cb1e4990a9ef1cccaad7e5

  • SHA512

    055d0f9956e6b626264ce89ac8f98ea14c39327d6410f063ffaeb4a6d128a0bcfa23d35f55f4551ca8e9fc0b6aee3a6dbee94361acc1c673391a5bd4df9ce93f

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4siDyhJ2XTCVdKA/iOt:91OgLdaJUJ2XT0Mny

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 3 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).

  • 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.

  • 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\103dbe92b3bc8a29ffe0e87b0981ae73_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\103dbe92b3bc8a29ffe0e87b0981ae73_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • System policy modification
      PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\DownloadnSave\uninstall.exe

    Filesize

    46KB

    MD5

    2628f4240552cc3b2ba04ee51078ae0c

    SHA1

    5b0cca662149240d1fd4354beac1338e97e334ea

    SHA256

    03c965d0bd9827a978ef4080139533573aa800c9803599c0ce91da48506ad8f6

    SHA512

    6ecfcc97126373e82f1edab47020979d7706fc2be39ca792e8f30595133cd762cd4a65a246bee9180713e40e61efa373ecfb5eb72501ee18b38f13e32e61793b

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    e16c50c73ad0c26bbd7593f325288ea8

    SHA1

    283626b095dbfd2fa285cc8ddcc104ce994a5a62

    SHA256

    bba9d13c3738ea9a3541dc9cd59950f0ebac4e73380a7ef0e9a42228346c3d62

    SHA512

    ac53acc63bdd53ee79648029fde8f00ce982d591de6d98a92303da495af797e9ea8818e2d5e9aed695bc72cd7741366ae992550b1b12db809252acd1729a6b8a

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\[email protected]\chrome.manifest

    Filesize

    116B

    MD5

    af42c8a3e5e85e0905aa8cf17467af42

    SHA1

    6c3bd77e96f8f156a8bd6fbf881648362440e4b5

    SHA256

    1be5131b225ca269fa756897d30a0ecf872aed653582fc758ca509a545bf5ccb

    SHA512

    6cfca40000e38dc87f2693d40fdf7b49d8f5c7acfd702fd81e900607bc5113e4639164b9451b06fe4006f3bde5bcd42271a0bcde3dcd816ef05d032a2d70afc9

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    066829c7832417a6dccf418306807bdf

    SHA1

    52ee00528424d759fd9170badd940b2d3b1c85c1

    SHA256

    4d2693545b1edafe3177f165272e47a83d183d7bc850959e716710404f0b0066

    SHA512

    b451ab6ece79b044a55c7ab691fa443fd6e2975031a4ae31b4e14c241bbea9bd473c205dbc606981e25d83b55040ccb9e059556003312e0452281d08e653030d

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\[email protected]\content\zy.xul

    Filesize

    225B

    MD5

    d5a69761ea09259e552953dec2da0b74

    SHA1

    1a6b664e980f70bc8a79c8d51b6310185200d53a

    SHA256

    de0cb98ec69d763e85d2d423d5b945f1692a3e95d704623212c9a3378e5e6206

    SHA512

    739c9a6df2d50f5e8b995b3ad0a5b0b7947895fd44ce2ef67bc65c82b344ba7e1141f048795bd616b9d403d91e6c5a06516a145d42890da78c61acaf5cf0fb88

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\[email protected]\install.rdf

    Filesize

    720B

    MD5

    e7c93e4e4d985a3119088af4d04b1b5e

    SHA1

    db088d2b70e0d1e0c69922b41a82c89d6222f024

    SHA256

    70020b5c1ac3ea0c4566f4dae6e1365a9ab85b7669f89892de891d3bcae11b9a

    SHA512

    e9fcaf83981fca3992fa829c07ac8a9ad5694d5e628a34c456dbf1c9e8f66cafe67801694e29c735c7391f4e5f2006451f1adcf06b008b61e4da38edf478a3b4

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\background.html

    Filesize

    5KB

    MD5

    836e64bb86ca57d89e82f3cda3263927

    SHA1

    523a0cc2be5ff54a2c222aa3c394e959623c58ed

    SHA256

    ca6eee521e55731d18f14836eba0c4f34c716e450e67319ad13ac41b7e532e6a

    SHA512

    0e7b7eeea94811d8d0365105f14e1ff51d50801dcb98baaad69b1f6bc81b64e5f6cf736ff83ca0f44d15c2e5af9cbc71afcf8074b6f17b301652580eb3326859

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\content.js

    Filesize

    388B

    MD5

    3a27f7e877806a7f35b0c66f0e790417

    SHA1

    46743e5372e99b7ce6e70e28bd3bdac488afc729

    SHA256

    b4f1a4c9be9b3b1eb78e619a07a5e70372ed4727c29171372f3b248a6afb8551

    SHA512

    6e6762bd92494cd64792b69fb39b5d2836df4c479cf210e9b016e8ca40f7c450af9283fc9733cb3366c0109ab28c968ab5822c205fb36aceb7e7c163abd79081

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\gepnflhjoklaahcbkbimlckmihanmaac.crx

    Filesize

    3KB

    MD5

    5e04d4e024c493f114ec0a81002bfeac

    SHA1

    5aeeab61d04341adfe4fe32340ab309e4adb043f

    SHA256

    1c1a1981d866e423c3726b957cb47fab1a11b4baedb3701662fe9f2a33402df7

    SHA512

    21740bdffc3a3dfded58798a1baee3505de793c5039eafa1c6b88180abf7144c653cb4cc3923f3121ee960091f6493c61dd4406fad14052292b7935bdd608210

  • C:\Users\Admin\AppData\Local\Temp\7zS8B8.tmp\settings.ini

    Filesize

    675B

    MD5

    a59e2483827a1ef8ae6ffef9cc7b61b5

    SHA1

    dc5508697bbc2d45ed8281277d7a7f1ed3eb6ef3

    SHA256

    ed7339b6925784f7d6be182e1e7d8b2417f696b1a221c3cde6cfe2c9fff2346c

    SHA512

    1894433b9f89ea65e7b6f24de2150d5a412ae9eae9aad924206b32c3d08be4ec1ffbd853b3167ef2ebce4f1a45a8036386ffdb44bb8160dfca8282074d463456

  • \Users\Admin\AppData\Local\Temp\7zS8B8.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b