Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 03:51

General

  • Target

    bb98eac43874f2f08babddfd2a879bae_JaffaCakes118.exe

  • Size

    837KB

  • MD5

    bb98eac43874f2f08babddfd2a879bae

  • SHA1

    b844a4ce25584e095057bb115084f6b2160794f6

  • SHA256

    71ed6fd674e384ddc915e47f5eac03ae4c21157b591c4af85880426be3c5d227

  • SHA512

    be00e7693d7cd95e84ed7985ab304ca67dd94064f3712953661459f7d757099f7dc5166125f0dd0637985c5e7b970541843aba1c29a52aafd5a9f7bf007af4d5

  • SSDEEP

    24576:BmSHHHHHJ9B2KctXn7wVD+RASAd2XhA5N26:VHHHHHPB2KYLwNrSAd2XhCo6

Malware Config

Signatures

  • Loads dropped DLL 14 IoCs
  • 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 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 24 IoCs
  • 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 registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb98eac43874f2f08babddfd2a879bae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bb98eac43874f2f08babddfd2a879bae_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe "C:\Program Files (x86)\profilinstylin\profilinstylin.dll" /codebase
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\profilinstylin\profilinstylin.dll

    Filesize

    9KB

    MD5

    b94fe26050179b997090fa876d3c4529

    SHA1

    a9d988c97a50557a133b9a029594b936abbd87d7

    SHA256

    06022189b499198ce68829370e8adc8a57de16289984865d325ded6368fc3f56

    SHA512

    4bd556d724962a57af08054a5c60aefa533e0cb225f5793bca7a47145923156456a45f1f634ce787021a948e1f62bb204ad1eb4c2bfbd4335e33626aeda14d00

  • C:\Users\Admin\AppData\Local\Temp\nsrB1CC.tmp\InetLoad.dll

    Filesize

    18KB

    MD5

    994669c5737b25c26642c94180e92fa2

    SHA1

    d8a1836914a446b0e06881ce1be8631554adafde

    SHA256

    bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

    SHA512

    d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

  • C:\Users\Admin\AppData\Local\Temp\nsrB1CC.tmp\LockedList.dll

    Filesize

    31KB

    MD5

    d6c18c9cdb750d7b23d5c9806b204a62

    SHA1

    b41a65ca3115ca14102dccdf0818ac229af9461e

    SHA256

    ee9201059695cde4aa728d9b0fd1a06278cdd6a6803c934e9d9d20fd420909e5

    SHA512

    fc44d28a75d07e51222027dfe1b06f3bfe5454f3db3ab47d880cee0be96df31c3c82fd7c8e45b073eead741101a6eb6306bef53f4cf99e6279049f748cccc692

  • C:\Users\Admin\AppData\Local\Temp\nsrB1CC.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • C:\Users\Admin\AppData\Local\Temp\nsrB1CC.tmp\modern-wizard.bmp

    Filesize

    25KB

    MD5

    cbe40fd2b1ec96daedc65da172d90022

    SHA1

    366c216220aa4329dff6c485fd0e9b0f4f0a7944

    SHA256

    3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2

    SHA512

    62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63

  • C:\Users\Admin\AppData\Local\Temp\nsrB1CC.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    c10e04dd4ad4277d5adc951bb331c777

    SHA1

    b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    SHA256

    e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    SHA512

    853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

  • C:\Users\Admin\AppData\Local\Temp\nsrB1CC.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    acc2b699edfea5bf5aae45aba3a41e96

    SHA1

    d2accf4d494e43ceb2cff69abe4dd17147d29cc2

    SHA256

    168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

    SHA512

    e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

  • memory/2792-58-0x00000000735B2000-0x00000000735B3000-memory.dmp

    Filesize

    4KB

  • memory/2792-59-0x00000000735B0000-0x0000000073B61000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-60-0x00000000735B0000-0x0000000073B61000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-68-0x00000000735B0000-0x0000000073B61000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-70-0x00000000735B0000-0x0000000073B61000-memory.dmp

    Filesize

    5.7MB