Analysis

  • max time kernel
    136s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2024, 02:48

General

  • Target

    8945c4b0a22bdc55e7f5d29840908386_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    8945c4b0a22bdc55e7f5d29840908386

  • SHA1

    694f666f0b2a93ebc09bbf6c899a59ad66acc9a5

  • SHA256

    e1e68a721a56667f51ef35fb963d5c6a048655b1df85f2af1b996896bc232fd0

  • SHA512

    9cf9e7cf95a9b6434a793baa2251410ee0603a3b66c1a74d00ec00073bd285051bd235712cafcf1724d1ed65165210d7dcaab17e540576ca76986b8ece13db94

  • SSDEEP

    24576:3aUAGNqxJpv5UfpiQtL+PipOYJGQISUn1uu:3NqDprQtL+PipDJsPou

Malware Config

Signatures

  • Detected Nirsoft tools 14 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 14 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 12 IoCs
  • UPX packed file 21 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8945c4b0a22bdc55e7f5d29840908386_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8945c4b0a22bdc55e7f5d29840908386_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\TestFile1.exe
      "C:\Users\Admin\AppData\Local\Temp\TestFile1.exe" -s
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:736
      • C:\Users\Admin\AppData\Local\Temp\TestFile1.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1188
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
            PID:3232
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 556
            4⤵
            • Program crash
            PID:4940
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 548
            4⤵
            • Program crash
            PID:3600
      • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
        "C:\Users\Admin\AppData\Local\Temp\TestFile2.exe" -s
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4488
        • C:\Windows\SysWOW64\netsh.exe
          C:\Windows\System32\netsh.exe firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\TestFile2.exe" "WinUpdater" ENABLE
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:944
        • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:3768
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe /scomma C:\Users\Admin\AppData\Local\Temp\msg.txt
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3796
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe /scomma C:\Users\Admin\AppData\Local\Temp\cho.txt
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:660
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe /scomma C:\Users\Admin\AppData\Local\Temp\mail.txt
            4⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:2916
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe /scomma C:\Users\Admin\AppData\Local\Temp\ie.txt
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:4808
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe /shtml C:\Users\Admin\AppData\Local\Temp\ps.txt
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4168
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:4172
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe /shtml C:\Users\Admin\AppData\Local\Temp\dial.txt
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2428
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe C:\Users\Admin\AppData\Local\Temp\10#dueisnw1.txt
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3432
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:4180
          • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            C:\Users\Admin\AppData\Local\Temp\TestFile2.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:4072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 1188 -ip 1188
      1⤵
        PID:4952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1188 -ip 1188
        1⤵
          PID:1084

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\TestFile1.exe

                Filesize

                294KB

                MD5

                67f60ac93ff2f08809bf9ea3c9596fc2

                SHA1

                cc4807e4070bf5fbcfa0db89e4fe9aee86b06f22

                SHA256

                a37b026fa4b0399494a2fc95e925cabbee4ce401a14278e56876d15e2fa1d7ad

                SHA512

                dbf727e4d3866813fb7e747d21ef3fb19d8d1d1b929ea07f088e9b49a3ffa44f133a2a04224c8d34085431aa99924d2c270cad62205be340c5c3931acdf172e1

              • C:\Users\Admin\AppData\Local\Temp\TestFile2.exe

                Filesize

                716KB

                MD5

                e37ffd8b73109c6759098d9e8c2f7654

                SHA1

                dd5f7ee81fd5fdd16aa1a36ea80d34f82c55b069

                SHA256

                a0eaba7f47b5508d2eb6a8e870c966e4a94041d82b594b8841ef3d9ca0efbcca

                SHA512

                ba0c634b561decbe7c2ba0825cefb13d26bfb121c8b0528a4cdc946b9b80b5ccffb7a3a938d691c70c0ea8b040144e7b4ee0d5e733780ea6129c6a1991f3481f

              • C:\Users\Admin\AppData\Local\Temp\dial.txt

                Filesize

                460B

                MD5

                8a83f57d4efce4941647c65f50402368

                SHA1

                d5d0e9c550adf30427f13f02a5d71b5e324185db

                SHA256

                58cdc619d8718e92c4ce6f2871bac0908d6e0abde1bdee6f01145605add5868d

                SHA512

                39e0d81d127c9de4e298de7087974c91ae9d959ecfe2cc04c59354986473153ce2416d9436023f7071e3e2cdaefdc81315495b0c7224cc2e7782813d37cd5cf4

              • C:\Users\Admin\AppData\Local\Temp\msg.txt

                Filesize

                2B

                MD5

                81051bcc2cf1bedf378224b0a93e2877

                SHA1

                ba8ab5a0280b953aa97435ff8946cbcbb2755a27

                SHA256

                7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6

                SHA512

                1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

              • C:\Users\Admin\AppData\Local\Temp\ps.txt

                Filesize

                325B

                MD5

                a58b5941ab25b596b96eac942697eccd

                SHA1

                b1e3a60665e914bcaa746ce1c20fc120845123b3

                SHA256

                905f66cbd81fbac6a9aba22c604d3057a4cc755fbcbe11941baa728dc1a236d2

                SHA512

                67675bce2bf3aabc7dfe8ae0ebe61907930c8da8ec13543a94d0318c0e94edb48363f26964b2937bbf94199270a135555cfd2bf651b61c7a311975a2f6f611ed

              • memory/660-60-0x0000000000400000-0x000000000043D000-memory.dmp

                Filesize

                244KB

              • memory/660-66-0x0000000000400000-0x000000000043D000-memory.dmp

                Filesize

                244KB

              • memory/660-61-0x0000000000400000-0x000000000043D000-memory.dmp

                Filesize

                244KB

              • memory/660-57-0x0000000000400000-0x000000000043D000-memory.dmp

                Filesize

                244KB

              • memory/1188-29-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/1188-40-0x0000000000590000-0x00000000005BE000-memory.dmp

                Filesize

                184KB

              • memory/1188-39-0x0000000000590000-0x00000000005BE000-memory.dmp

                Filesize

                184KB

              • memory/1188-33-0x0000000010410000-0x000000001043E000-memory.dmp

                Filesize

                184KB

              • memory/1188-32-0x0000000010410000-0x000000001043E000-memory.dmp

                Filesize

                184KB

              • memory/1188-30-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/1188-27-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/2428-90-0x0000000000400000-0x000000000041C000-memory.dmp

                Filesize

                112KB

              • memory/2428-109-0x0000000000400000-0x000000000041C000-memory.dmp

                Filesize

                112KB

              • memory/2428-93-0x0000000000400000-0x000000000041C000-memory.dmp

                Filesize

                112KB

              • memory/2428-97-0x0000000000400000-0x000000000041C000-memory.dmp

                Filesize

                112KB

              • memory/2428-92-0x0000000000400000-0x000000000041C000-memory.dmp

                Filesize

                112KB

              • memory/2916-67-0x0000000000400000-0x000000000041D000-memory.dmp

                Filesize

                116KB

              • memory/2916-70-0x0000000000400000-0x000000000041D000-memory.dmp

                Filesize

                116KB

              • memory/2916-69-0x0000000000400000-0x000000000041D000-memory.dmp

                Filesize

                116KB

              • memory/2916-72-0x0000000000400000-0x000000000041D000-memory.dmp

                Filesize

                116KB

              • memory/3432-99-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/3432-101-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/3432-130-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/3768-48-0x0000000000400000-0x000000000049C000-memory.dmp

                Filesize

                624KB

              • memory/3768-51-0x0000000000400000-0x000000000049C000-memory.dmp

                Filesize

                624KB

              • memory/3796-56-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/3796-65-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/3796-59-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/3796-54-0x0000000000400000-0x0000000000425000-memory.dmp

                Filesize

                148KB

              • memory/4072-120-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/4072-133-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/4072-115-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/4168-74-0x0000000000400000-0x0000000000410000-memory.dmp

                Filesize

                64KB

              • memory/4168-81-0x0000000000400000-0x0000000000410000-memory.dmp

                Filesize

                64KB

              • memory/4168-79-0x0000000000400000-0x0000000000410000-memory.dmp

                Filesize

                64KB

              • memory/4172-98-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB

              • memory/4172-85-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB

              • memory/4172-87-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB

              • memory/4180-112-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/4180-114-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/4180-131-0x0000000000400000-0x0000000000405000-memory.dmp

                Filesize

                20KB

              • memory/4808-76-0x0000000000400000-0x000000000041A000-memory.dmp

                Filesize

                104KB

              • memory/4808-78-0x0000000000400000-0x000000000041A000-memory.dmp

                Filesize

                104KB

              • memory/4808-68-0x0000000000400000-0x000000000041A000-memory.dmp

                Filesize

                104KB

              • memory/4808-82-0x0000000000400000-0x000000000041A000-memory.dmp

                Filesize

                104KB