Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 23:00

General

  • Target

    acef4325c78eb1c16da6bb9dbab78eb5_JaffaCakes118.exe

  • Size

    228KB

  • MD5

    acef4325c78eb1c16da6bb9dbab78eb5

  • SHA1

    b0901aea963585e4c583aa0efc79815dc46e1576

  • SHA256

    3af87789919c309e4c12a854e16eaa5732ff63ffc5ee53661e76226010b9c278

  • SHA512

    a0317b3eb19579d68611f820cbb3770cf2266226b8daef5d679480ba99434fd12640034a321fac771bfcd10aee8bef7b9a1e4b70724e131163cea6329bc3bd72

  • SSDEEP

    3072:flAdaGHvXRrmFF00Pfz/nLpCW1lcAtkdXMcaDAGShp5USLgnyT2QVJ:flAdaGHJrmFF00HJJhSXjO6p7mQ

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • Modifies data under HKEY_USERS 12 IoCs
  • Modifies registry class 13 IoCs
  • Suspicious behavior: LoadsDriver 14 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acef4325c78eb1c16da6bb9dbab78eb5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\acef4325c78eb1c16da6bb9dbab78eb5_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\program files\dialers\ukvideo\ukvideo.exe
      "C:\program files\dialers\ukvideo\ukvideo.exe" -kill c:\users\admin\appdata\local\temp\acef4325c78eb1c16da6bb9dbab78eb5_jaffacakes118.exe /install
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1792
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1728
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4228 CREDAT:17410 /prefetch:2
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2676

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\dialers\ukvideo\ukvideo.exe

          Filesize

          228KB

          MD5

          acef4325c78eb1c16da6bb9dbab78eb5

          SHA1

          b0901aea963585e4c583aa0efc79815dc46e1576

          SHA256

          3af87789919c309e4c12a854e16eaa5732ff63ffc5ee53661e76226010b9c278

          SHA512

          a0317b3eb19579d68611f820cbb3770cf2266226b8daef5d679480ba99434fd12640034a321fac771bfcd10aee8bef7b9a1e4b70724e131163cea6329bc3bd72

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          471B

          MD5

          93f15508cd4b36df3a93b731aa089d42

          SHA1

          42777a71786f2a4ae36f9a79b3ed046d4d0a5382

          SHA256

          302bc8a564bc6b000aa867b0cc7d53b6026137cc50b8dd951a8406b5ea588a26

          SHA512

          3d46d8a5fa284510f8ea3060f22f08b67e36d126cf4a203fb8e98fa8b0f6372b82187804760033c414cd6132ae340f68b7a94d57088739f3f303d6d9f51ee6d1

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          3f1954389ce0035bd59d82316880f644

          SHA1

          3a56e7878bd58360168b913fdf330663cfd9fddb

          SHA256

          fbfb97cee111423c5e8a131401b8f07861068e8649345c6146e77834c2ad7e95

          SHA512

          9b52bc5ee839a7c1f72b175ee4702e8391a8d981917d3b3941c90fd6ad7ba1765555fd2c3cdcd9af0a168457fece0279b6a0499a6000dd9be707e716a1a30816

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver51C.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KDOTUZKP\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\UKVideo.lnk

          Filesize

          950B

          MD5

          7c6f09218660336dfff25b5bfc1f5514

          SHA1

          4d0f6fed782613fc776868e4b85b169308fb6209

          SHA256

          1724435619993a4acb01192ff5776fc2886ea0b4213b7c6f045d249f9ee58fc3

          SHA512

          631075726db88395d84837a2673f71d86289fb3939fd4dd95bf7b0cb79f24549135f6c95384c305a9098b796c15f9136a711099958f3d8db9255e9f077553353

        • C:\Users\Admin\Desktop\UKVideo.lnk

          Filesize

          920B

          MD5

          b99229a6a9e06db7c5fb907234f2568f

          SHA1

          d1f1b3eaa8d0da57be905c7fedf5d6fd381ccb4f

          SHA256

          cdaad7df28e2669bd333e62ce968f5b7cf7404786b04af7f49d61b93b9ffe5bd

          SHA512

          98276e9bda585c302210c549aeceee908f27e616e7b29b00e31b8ddbbc7a9536a2cd9f41e6046894744572ac61e471949e031adcf55695a1f9c3072178c4ccef

        • memory/1792-40-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/4792-0-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/4792-33-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB