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Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2024, 07:09

General

  • Target

    217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe

  • Size

    123KB

  • MD5

    217c609d7b52de707bdfcccc374217d6

  • SHA1

    d6b1e6400a8a02321a1e8bc7bb7bb777cb813137

  • SHA256

    97f7525461aef55891c5bd9aa7b690f74dd928d376c4bb42a1d776442a4a5837

  • SHA512

    6bd28d82cc109b1cb3506332a84473ad38cd558035e131c85566ab1c83e894516e4b4f0907236e12d013d1f732378e2ed3a347fbe0b50712fc2a59da7878e0c2

  • SSDEEP

    3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLK8fJS:uVYrJrOSsRwcpo8fJS

Score
8/10
upx

Malware Config

Signatures

  • Manipulates Digital Signatures 1 TTPs 1 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 4 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Windows\iaccess32.exe
      C:\Windows\iaccess32.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\regedit.exe
        "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
        3⤵
        • Manipulates Digital Signatures
        • Runs regedit.exe
        PID:3464
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
        3⤵
        • Loads dropped DLL
        • Modifies registry class
        PID:5056
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:4648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      683d61119f0169dce3b4500c8606fbf0

      SHA1

      74c990a25a2b743147489f101f278992cf84a503

      SHA256

      3bca15c2aa36750c1cc85b37c021cddfb17f561715f509d65c05b544eab541e1

      SHA512

      5fb10326cac60b36267e126d4cb0dddf4238acb9314a7a59deb7127a5679586dd5df184b64f65e0db9ab6c8faff26504350e08cdd85438ffdd76ab90f4164d9a

    • C:\Users\Public\Desktop\NOCREDITCARD.lnk

      Filesize

      2KB

      MD5

      683b6e4c1954880397d59e25330c3a1a

      SHA1

      14c461932bbf8078e9c088912f9f10a4a29bea3b

      SHA256

      e729aef60d1e9e9f723a36bb57e01b53ebe3c259302cfa3f7da1e0146d6eacc0

      SHA512

      dc1b83893e09fd307899f189f28b83eea2bd76251644837d17ce14b0aca5da99a2742dac72573c270989eeeb4efe4fced7c2d592548d954ae4f9a0063471f044

    • C:\Windows\SysWOW64\egaccess4_1071.dll

      Filesize

      76KB

      MD5

      b83f652ffa76451ae438954f89c02f62

      SHA1

      b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

      SHA256

      f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

      SHA512

      965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

    • C:\Windows\dialerexe.ini

      Filesize

      587B

      MD5

      478c6732cbda9f9ddf5ada5512bd25e0

      SHA1

      6294e03b5d4c2dc948f3c93de3b8b7b2df752f18

      SHA256

      5c6b3b423ddc1c1de3210855150a511ecb0f160abcc57d69b7584e7094726389

      SHA512

      381750cdcdc353d2d6df2003093ea5675c3cd09236aa5c2d9a95b7959c028102a65ceb2bc87f2f8ea1fc09f2f3bccb0a29222c3af11662bb1423b2e87e04be5b

    • C:\Windows\iaccess32.exe

      Filesize

      123KB

      MD5

      0f8953e823f5381d276e52ce4e630e47

      SHA1

      fcdbd604d78d84c16ecf4fb809903191c3003d61

      SHA256

      454528266e761d682d46f582d6d66b91317162fc5e4156d97db5a8c4ba762581

      SHA512

      57f3e739afe20fef05731cdcb04b2a9b818fa062a5af4326c7caab58c9b3ebaa72bf808e3a1fc0c89726267cdbf5e9bd5acafdc2aa08b9429e6fca5e77ed2816

    • C:\Windows\tmlpcert2007

      Filesize

      6KB

      MD5

      b103757bc3c714123b5efa26ff96a915

      SHA1

      991d6694c71736b59b9486339be44ae5e2b66fef

      SHA256

      eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

      SHA512

      d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

    • memory/1848-7-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1848-55-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1848-61-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4132-0-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4132-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/5056-29-0x0000000010000000-0x0000000010047000-memory.dmp

      Filesize

      284KB