Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 02:54

General

  • Target

    76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe

  • Size

    7.2MB

  • MD5

    76cbc914cb608f499c4041c28a352d38

  • SHA1

    2973e8a49879c09940476448b95fcda49b7d0c5e

  • SHA256

    92acee8327bb1d3a0528ce2bb1e236eda19e11437404f84104ac5e8760b726fd

  • SHA512

    476ab17c9b882c058319e57fa2bb0d10899f29e2de67b1a8682d42c8e8a594868d36e2cd9e6aadc5839c279f0fd983ed074787b858800d7510088da6f128af84

  • SSDEEP

    196608:i7effIPEsy58doQaTxLhQyZbIly38doQavqU/yE/QT1ymnYChUbRLhQ8bb0vyifG:i7effIPEsy58doQaTxLhQyZbIly38do9

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 3 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 14 IoCs

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

  • Adds Run key to start application 2 TTPs 8 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 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_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:5084
    • C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4824
      • C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:4256
    • 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:1168
    • C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
      2⤵
      • 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
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\76cbc914cb608f499c4041c28a352d38_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:1628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 1860
      2⤵
      • Program crash
      PID:3824
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5084 -ip 5084
    1⤵
      PID:4656

    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

            e6d847ef06c9e6973d410eba53d49722

            SHA1

            4752c06cdd5d245f4e4aa2e1f647bdb4cb1bf2f9

            SHA256

            8a82270f58ceebf5433aa757b2fbee5ce5a313d4674a95045d49b87b2c28ade4

            SHA512

            abc68b38e764f0c4d52e265b23bee54bc3b412e60ae49ea706a3de37ff5fdb9e98b52c734f307a9778b46c6521b6a12508bae7341bf7506c9863950d4b66c080

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

            Filesize

            7.3MB

            MD5

            c39a9a8c76d8204e08b5477ccf063241

            SHA1

            1911f9e6d93b6e041c747e7c0a6330781d431a45

            SHA256

            274206ca7007fadbef16fd4c6a504936fd8be25abd62d04448f5749cdc9bfa4d

            SHA512

            a4fd91f2183424263653ab23c83724a7558716d1905d33a1c50dd86ebda5e34ae5ebdc334292b29126af5929d56d2e45c34c07ab099452a9e14b6ba65e51ef6f

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

            Filesize

            7.3MB

            MD5

            0693c861f5d76974358f4f1e63442185

            SHA1

            d37e41e297fb00dd2e5297e2fc5a21425c79aaba

            SHA256

            bf9f99073da4044470e53c0cd3633c3feb87e95d571f7140473cd71729821ddd

            SHA512

            6a08c91c8083c718541caff120d2cf103d3b30b2fccf8e9f711cfb44deed7017471b3f765bcc624d6717e1af0b2abd35e4f5497493676b527c61e0d5f6a20d76

          • C:\Windows\SysWOW64\ftpdll.dll

            Filesize

            5KB

            MD5

            d807aa04480d1d149f7a4cac22984188

            SHA1

            ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

            SHA256

            eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

            SHA512

            875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

          • memory/1332-32-0x0000000010000000-0x000000001010B000-memory.dmp

            Filesize

            1.0MB

          • memory/1332-35-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/1332-33-0x0000000010000000-0x000000001010B000-memory.dmp

            Filesize

            1.0MB

          • memory/1628-38-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4256-37-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4824-34-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/4824-1-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/5084-17-0x0000000010000000-0x000000001010B000-memory.dmp

            Filesize

            1.0MB

          • memory/5084-0-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/5084-18-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/5084-16-0x0000000010000000-0x000000001010B000-memory.dmp

            Filesize

            1.0MB