Analysis

  • max time kernel
    128s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2025, 00:06

General

  • Target

    JaffaCakes118_436c598592208aff1fcc0ee444c94a61.exe

  • Size

    150KB

  • MD5

    436c598592208aff1fcc0ee444c94a61

  • SHA1

    37d1d3b1e25a204fe19a5d1457c2af7ba70a46e5

  • SHA256

    9ce403471a2bc09a48b91f9ebf6e9d4dea0d3d91a221fa63082fd58232600b26

  • SHA512

    1327ee74e0572e4bbe1ce4c706d03c79ead5fc0ac6912684064509aba38943f3d089396932d8f609631c5f4bd87f2cff93625413eaf24ce6a89f54a6fe2e6472

  • SSDEEP

    3072:SxvyDuOYHEYzXd6cYKbWgbYkk0d/tV5dLzqgL:ByPkYx6VpQYkHd/tV5dLX

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_436c598592208aff1fcc0ee444c94a61.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_436c598592208aff1fcc0ee444c94a61.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Roaming\A112.tmp
      C:\Users\Admin\AppData\Roaming\A112.tmp
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 264
        3⤵
        • Program crash
        PID:3712
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i C:\Users\Admin\AppData\Local\Temp\INSB2F~1.INI /quiet
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2852
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Users\Admin\AppData\Local\Temp\inlB79A.tmp
        C:\Users\Admin\AppData\Local\Temp\inlB79A.tmp cdf1912.tmp
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inlB79A.tmp > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Windows\SysWOW64\expand.exe
        expand.exe "C:\Users\Admin\AppData\Local\Temp\favorites_url.cab" -F:*.* "C:\Users\Admin\Favorites"
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2228
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4748 -ip 4748
    1⤵
      PID:4500
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3084
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EE202E2A0AE446B5E4DA7497DB644FD7
        2⤵
        • System Location Discovery: System Language Discovery
        PID:1700

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57b902.rbs

      Filesize

      8KB

      MD5

      e27f2ed6647ed680f92a7a5a1866caf2

      SHA1

      ded35e2136654d9cec881b39e1fb7650ab6b09a1

      SHA256

      32addb243dd56ec0044d90897f3fd0719aec11b8981a2de862c4a27c9c69c187

      SHA512

      fdbd819d5a5635370b2a7e2d0befd258b804eb5379d7489d0996b83da50e88c81bb657b4e0bf596476a0115f9897e745c6af0923a9965c59aa072e54eb787324

    • C:\Users\Admin\AppData\Local\Temp\INSB2F~1.INI

      Filesize

      66KB

      MD5

      0fbc51ca3d0fce142bfb7134a0d656f1

      SHA1

      2ff4eced5d15476862d1ab811a519daafb975153

      SHA256

      ab9512f12eb7f9c8259f9256b6627ddc829045db24bd94a70c5c15fad6e819cd

      SHA512

      5a6f7ef60543961d34adb92e3b8b1bbfc7d0f8a207b80472179f0bdd1ede8d6892ae023d521ec8acf69fdbd164c8898e54bf914c51e70a4a584c7de67629265f

    • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

      Filesize

      768B

      MD5

      d20d9eda31a2d0300e4589df7f352370

      SHA1

      79b46d2dbb489914cfedafdbc90e62951471b48e

      SHA256

      d7a1d6a8cf5c3fbb85cd06147a599f5274630b86b1c89721f10a60c1bbe994d8

      SHA512

      d28c5b69325a9833776ea362445b77b231a0ec9b9b8b4a2ad37a434ee8b2b0c1903d6ade1e372f73ac8ada951e0a24076cf23d9307d27fed5927f4bf8b0d0a5e

    • C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat

      Filesize

      57B

      MD5

      e9d24ebd59367def04f8b36973220931

      SHA1

      b99af1f44bd4ad5248e381f2a52f4e3aeffa21bb

      SHA256

      16e19a9976fe4af97aa9e295bf3341116005f18efc2385800440076ee78fc608

      SHA512

      26143b8bc844d010ab4547e8973b575784f3de625add8eb37dde7aa9ac81a2224efd6021c2760c1af68ccc3ea91621f9bd6385c82789aaa2bd0c8200b40c6d10

    • C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat

      Filesize

      98B

      MD5

      8663de6fce9208b795dc913d1a6a3f5b

      SHA1

      882193f208cf012eaf22eeaa4fef3b67e7c67c15

      SHA256

      2909ea8555f2fc19097c1070a1da8fcfd6dc6886aa1d99d7e0c05e53feeb5b61

      SHA512

      9381063e0f85e874be54ae22675393b82c6ab54b223090148e4acbeff6f22393c96c90b83d6538461b695528af01d1f1231cf5dc719f07d6168386974b490688

    • \??\c:\users\admin\appdata\local\temp\favorites_url.cab

      Filesize

      425B

      MD5

      da68bc3b7c3525670a04366bc55629f5

      SHA1

      15fda47ecfead7db8f7aee6ca7570138ba7f1b71

      SHA256

      73f3605192b676c92649034768378909a19d13883a7ea6f8ba1b096c78ffadb5

      SHA512

      6fee416affcb6a74621479697bca6f14f5429b00de3aa595abe3c60c6b2e094877b59f8783bbe7bdd567fa565d0630bb02def5603f8f0ea92fe8f2c3ac5383c0

    • memory/2488-76-0x0000000000400000-0x0000000000408000-memory.dmp

      Filesize

      32KB

    • memory/4616-31-0x00000000000D0000-0x00000000000D3000-memory.dmp

      Filesize

      12KB

    • memory/4616-30-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4616-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4616-1-0x00000000000D0000-0x00000000000D3000-memory.dmp

      Filesize

      12KB

    • memory/4748-12-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/4748-10-0x00000000001D0000-0x00000000001D2000-memory.dmp

      Filesize

      8KB

    • memory/4748-8-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB