Analysis

  • max time kernel
    94s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 21:54

General

  • Target

    d727ddb21ba2a754ebfcd64053796ac6_JaffaCakes118.exe

  • Size

    145KB

  • MD5

    d727ddb21ba2a754ebfcd64053796ac6

  • SHA1

    03f11470d827e11d0c1f3ac25f848282264b504d

  • SHA256

    d772410f097f525acf0bc6b6d2008539ab4fe27bcc76200dc20b01219938544c

  • SHA512

    1077cca7510aee9f07a9d09e048b8941cee231bf79826e12297d29c18454fc8ca17d47a8cc8f8e150560854b495bec204b90467c1b71210a4f4ccbac92415d9e

  • SSDEEP

    3072:GIbejFUgrPc3pvbnzs27KMHwTpRCopnvvNQwin6/T6VtE6nD:7bwUgrk3BaMQTnBnvvy8T6VtXD

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d727ddb21ba2a754ebfcd64053796ac6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d727ddb21ba2a754ebfcd64053796ac6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\d727ddb21ba2a754ebfcd64053796ac6_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\d727ddb21ba2a754ebfcd64053796ac6_JaffaCakes118.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Users\Admin\AppData\Roaming\Qyquqk.exe
        "C:\Users\Admin\AppData\Roaming\Qyquqk.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Users\Admin\AppData\Roaming\Qyquqk.exe
          C:\Users\Admin\AppData\Roaming\Qyquqk.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4220
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1900
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3484
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3484 CREDAT:17410 /prefetch:2
                7⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:4464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    471B

    MD5

    aab286bb456859cae2f78a66a3dd795b

    SHA1

    16d32cdd9959586b11aacf682d6f8fd8a57eca8d

    SHA256

    70e602cf187b74a4a8f0660a02aa57c79b326b5f70d14649a9259da01f34a4bf

    SHA512

    de22ca238f407b029330978bfee646a8a9421befc5c570eddd7afb647b1ddc2a4ff5e14d6dd0dc03978b75b5252d508b7e62a02a15ebb528b547bf2a95c9b188

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

    Filesize

    404B

    MD5

    eaf6ff61574dbc144dc9b12ebbde58b2

    SHA1

    c22f8edd76893b4511155e56dad1c4b594c6c8bb

    SHA256

    dcbb512b9218598142266c29488192ed092b8863c8e7e6c4e70e203c3ce872cb

    SHA512

    f222c7d15cc55a640a05d92a40ee6ec055abf3f53f90ecfd5961bbf907e53ffef2e23a1bb529d646f29d492955448176805ed8d7daa88c15fdc1bb6fbae7d0bd

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver27C.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Roaming\Qyquqk.exe

    Filesize

    145KB

    MD5

    d727ddb21ba2a754ebfcd64053796ac6

    SHA1

    03f11470d827e11d0c1f3ac25f848282264b504d

    SHA256

    d772410f097f525acf0bc6b6d2008539ab4fe27bcc76200dc20b01219938544c

    SHA512

    1077cca7510aee9f07a9d09e048b8941cee231bf79826e12297d29c18454fc8ca17d47a8cc8f8e150560854b495bec204b90467c1b71210a4f4ccbac92415d9e

  • memory/1812-12-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1812-6-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1812-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1812-1-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1884-19-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3724-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3724-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4220-20-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/4220-21-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB