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Analysis

  • max time kernel
    140s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 20:21

General

  • Target

    00516819f47c52733da5fac9c272e0bf_JaffaCakes118.exe

  • Size

    184KB

  • MD5

    00516819f47c52733da5fac9c272e0bf

  • SHA1

    3e8b1ebca19cf046ddff95dc2450a8270074e16f

  • SHA256

    5e80116d30921452a2a36ce53cbfd49796cdcb3d87e8070b37b698c92c3e3c30

  • SHA512

    b8b13ddc8740c70ec6d53c7d2c6d3a1e6be234dece536c865fa99511d3197d51427ead68a5a45039787ef9ae84b84c15b1ecc84480e02a564b6315f137fc78d0

  • SSDEEP

    3072:9WV2IlsHbK+yDjiDND7h5lPnZ+Am27PVA4mzNnKvPR3HR:wL+LDN7RvZp5S4mknR3x

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00516819f47c52733da5fac9c272e0bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\00516819f47c52733da5fac9c272e0bf_JaffaCakes118.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\CRASHR~1\E455TM~1.BAT
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\SysWOW64\attrib.exe
        attrib -R -S -H "C:\Users\Admin\AppData\Local\Temp\00516819f47c52733da5fac9c272e0bf_JaffaCakes118.exe"
        3⤵
        • Views/modifies file attributes
        PID:1184
      • C:\Windows\SysWOW64\attrib.exe
        attrib -R -S -H "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Crash Reports\E455.tmp.bat"
        3⤵
        • Views/modifies file attributes
        PID:1016
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4160,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=4064 /prefetch:8
    1⤵
      PID:2352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\CRASHR~1\E455.tmp.bat

      Filesize

      506B

      MD5

      064cf84b1b6e0d13e1b509fb82d298c7

      SHA1

      71a17cbb8bf80c350c2d010bd74de6ca86d5b9e3

      SHA256

      b52de1042ae4778e03b4f3a1bb335ae1b777c9ece6eff592fa4192980569cd06

      SHA512

      148a8e7978bdadc72409b5ccaaad1b47ccb7375e001158c3f9cce44ae43d5d3df666fa9d9453fdb8bff2059092820680600e102d32c1645f8618157b00ac0edc

    • memory/2040-0-0x0000000000600000-0x0000000000602000-memory.dmp

      Filesize

      8KB

    • memory/2040-1-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2040-2-0x0000000002220000-0x0000000002262000-memory.dmp

      Filesize

      264KB