Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 04:49

General

  • Target

    8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe

  • Size

    9.8MB

  • MD5

    8317ebf39f5ee69007fe3dec63e0e70f

  • SHA1

    55d776edae1da9fca89c66d493cf5c487e17138c

  • SHA256

    9f730ee48e25816124ba1e2f11ae55510ee91553f9a5c7313446a4153359ffbb

  • SHA512

    8d042001518e69615f94bb2828f10d0ab340a04b571534ebab0eb292a3ab3011f81bc99a9a629bd5b88072273a3c04c4c6f3a8f09a158ac0308db28fc6146dd1

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQalArdfehQM2gsyVCQlXlAryfEQuMozkB:i7effIPEsy58doQaTxLhQyZbIly38doR

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 4 IoCs
  • Sets service image path in registry 2 TTPs 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 3 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 12 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Program crash 1 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4268
      • C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 1548
          4⤵
          • Program crash
          PID:3372
      • C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2484
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      PID:404
    • C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:760
      • C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\8317ebf39f5ee69007fe3dec63e0e70f_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:3504
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3020 -ip 3020
    1⤵
      PID:2148

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

      Filesize

      1KB

      MD5

      7fb5fa1534dcf77f2125b2403b30a0ee

      SHA1

      365d96812a69ac0a4611ea4b70a3f306576cc3ea

      SHA256

      33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

      SHA512

      a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

      Filesize

      174B

      MD5

      765cc1fb66d3ad0038cdfbc41b7bfba0

      SHA1

      e1a4e30b43d7097488b47fe1dd2920894c4ac4a6

      SHA256

      3083c73c14a978650129532abf37f32d16ad3ed88a9fbc866243eafe61ff3573

      SHA512

      42412a841d3bacc1ebae54ba68722795d688de41852f5a9cbfd6b80e8ee0d1a08f10cad58693cc1cbe23c03b7e721f7fdbe0e1789339559fa36a29ddeb46c234

    • C:\Users\Admin\AppData\Local\cftmon.exe

      Filesize

      9.8MB

      MD5

      1888c44b2b299c4b40b43215d2e80cb5

      SHA1

      acb28f8671b40c2ebe571b1f5e2362eeb2bbdd0d

      SHA256

      245fc44988fcccb7399eab71d1b313431d2519ef80ef9d5d8830b33c2bb8378f

      SHA512

      b148fb81a3c7e29739bab4d1715451e16a1d0f0aab370357b9d545829af2ceba8134a02c7b077b660c9ad0f3836ff91f6be4762b7067842777399e7e725a3452

    • C:\Windows\SysWOW64\drivers\spools.exe

      Filesize

      9.8MB

      MD5

      76928709bb2f02fb66d79e92e87b6cd4

      SHA1

      e5c10088ddeccb402258cdafa5a6192335b7be50

      SHA256

      633e84bdb0b8d9fc34a9642fa09d99831f90981c4d265e1981ac0cf243b959e9

      SHA512

      fa2557fd3dfc0a2e74ca3bfebeed85687c382235a4a125313eaeef718c7bf4e3484970b7bdb10ad9dc2a8d12d25204fcfc987904b1d8f8f7a52b3cfc7e62e6f1

    • C:\Windows\SysWOW64\ftpdll.dll

      Filesize

      5KB

      MD5

      d807aa04480d1d149f7a4cac22984188

      SHA1

      ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

      SHA256

      eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

      SHA512

      875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

    • memory/760-47-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1240-13-0x0000000010000000-0x000000001010B000-memory.dmp

      Filesize

      1.0MB

    • memory/1240-15-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1240-16-0x0000000010000000-0x000000001010B000-memory.dmp

      Filesize

      1.0MB

    • memory/1240-0-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2484-41-0x0000000010000000-0x000000001010B000-memory.dmp

      Filesize

      1.0MB

    • memory/2484-45-0x0000000010000000-0x000000001010B000-memory.dmp

      Filesize

      1.0MB

    • memory/2484-46-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3020-29-0x0000000010000000-0x000000001010B000-memory.dmp

      Filesize

      1.0MB

    • memory/3020-30-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3020-25-0x0000000010000000-0x000000001010B000-memory.dmp

      Filesize

      1.0MB

    • memory/3504-31-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3504-48-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4268-40-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4268-1-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB