Analysis

  • max time kernel
    134s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 09:30

General

  • Target

    JaffaCakes118_55d751c908745c2f4334526d1d09967a.exe

  • Size

    150KB

  • MD5

    55d751c908745c2f4334526d1d09967a

  • SHA1

    d0ffbf4e40c650b894bed73537440e25535ea1b5

  • SHA256

    be39b755d4d86b50db73b11f8408701e8dfe3b8de1fe652d153803515569a334

  • SHA512

    1720482c2dd4b0e9d45ce2b2708fee0327dd153e45e3f53106993f95c5b59ab6aa4a10ea4a0f685234253f1cd049fdc6d2adbd1021ebd7b232a505564513f935

  • SSDEEP

    3072:tlxAxiiAYXRJ1cbuR3m8KoNVzbqQ+yaKf4baDJws3wDC:tePXD1zQuNV1+yiC

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_55d751c908745c2f4334526d1d09967a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55d751c908745c2f4334526d1d09967a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Users\Admin\AppData\Roaming\A633.tmp
      C:\Users\Admin\AppData\Roaming\A633.tmp
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 264
        3⤵
        • Program crash
        PID:4200
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i C:\Users\Admin\AppData\Local\Temp\INSB61~1.INI /quiet
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4092
    • 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:2432
      • C:\Users\Admin\AppData\Local\Temp\inlB98E.tmp
        C:\Users\Admin\AppData\Local\Temp\inlB98E.tmp cdf1912.tmp
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inlB98E.tmp > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3964
    • 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:5016
      • 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:1924
    • 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:2108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1860 -ip 1860
    1⤵
      PID:4468
    • 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:2212
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E9A06BDD53076B06E312206B4DB4B001
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2148

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57baf6.rbs

      Filesize

      8KB

      MD5

      1d11e14669c45af1e5d72b0d0730c36e

      SHA1

      f196c49367bcc1edfd6136a6fc3d68c7c627c0e4

      SHA256

      27852d5d56b1089a837a889bb433e33c186593bc18c660dc5401f05272cd6e5d

      SHA512

      241aaaa0acf0d3b384c307f79eb444734342512e698b3ed7d1297b98342f273504379ee2f9fcc63c269a53d53bedd38bb4551c415ac70cb8525d466308a756b9

    • C:\Users\Admin\AppData\Local\Temp\INSB61~1.INI

      Filesize

      66KB

      MD5

      f427c53bcc147126e9363faca91c8aea

      SHA1

      5e1b30149d61b8fa4588065ebefd092ec4455ae0

      SHA256

      7875f64361f28a75151bffc337682852205068bbc720b4e51ef341a01b410932

      SHA512

      7f5ea6b949b3ab993659709723732cffc0872cdc924d8489817080012615cbd4e7b24b27e889b04646bdde5c565002548a8dedad909ad6a1bd35b5e00c50cba2

    • 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

      5d41abe95dac3485e628f4d19728d160

      SHA1

      b21427621e9ce0e485e73cbab639b1706077c435

      SHA256

      0526be8279e31b0cac9ee0e02dfbd4e7d148094b220b5f23357362893b6835bd

      SHA512

      421f450c514bb8b782d023c45d3478c0981271a31e10cdb24d204535a971a28fb17798aa54d44379809a3ee59d14c33d90e3ea9a882b198832925ceb84ceebe3

    • 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/1860-12-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1860-10-0x00000000001D0000-0x00000000001D2000-memory.dmp

      Filesize

      8KB

    • memory/1860-8-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3264-76-0x0000000000400000-0x0000000000408000-memory.dmp

      Filesize

      32KB

    • memory/3692-30-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3692-31-0x00000000001A0000-0x00000000001A3000-memory.dmp

      Filesize

      12KB

    • memory/3692-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3692-1-0x00000000001A0000-0x00000000001A3000-memory.dmp

      Filesize

      12KB