Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 07:53

General

  • Target
    a4828c23d1fae3a9e1674dc8a08935ea_JaffaCakes118.exe
  • Size 662KB
  • Sample240613-jrcleazelf
  • SHA256 afb4ac161a41a5cfbf2840384831f3de3c8fff622d5aac639c442d8319653326
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4828c23d1fae3a9e1674dc8a08935ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a4828c23d1fae3a9e1674dc8a08935ea_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Users\Admin\AppData\Local\Temp\beecfjjdca.exe
      C:\Users\Admin\AppData\Local\Temp\beecfjjdca.exe 9|8|8|2|0|3|0|2|6|2|0 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
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81718265230.txt bios get serialnumber
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4924
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81718265230.txt bios get version
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4868
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic /output:C:\Users\Admin\AppData\Local\Temp\81718265230.txt bios get version
        3⤵
          PID:5100
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81718265230.txt bios get version
          3⤵
            PID:5040
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic /output:C:\Users\Admin\AppData\Local\Temp\81718265230.txt bios get version
            3⤵
              PID:3688
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 864
              3⤵
              • Program crash
              PID:1136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3552 -ip 3552
          1⤵
            PID:780

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                81718265230.txt

                • Path C:\Users\Admin\AppData\Local\Temp\81718265230.txt
                • Size 66B
                • SHA256 d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df
                • MD5 SHA1 SHA512

                81718265230.txt

                • Path C:\Users\Admin\AppData\Local\Temp\81718265230.txt
                • Size 2B
                • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
                • MD5 SHA1 SHA512

                81718265230.txt

                • Path C:\Users\Admin\AppData\Local\Temp\81718265230.txt
                • Size 58B
                • SHA256 79dae8edfddb5a748fb1ed83c87081b245aeff9178c95dcf5fbaaed6baf82121
                • MD5 SHA1 SHA512

                beecfjjdca.exe

                • Path C:\Users\Admin\AppData\Local\Temp\beecfjjdca.exe
                • Size 846KB
                • SHA256 e0821617cc60554063eb0175ce73d8c129ef02d4781890c33571f767566618ff
                • MD5 SHA1 SHA512 SSDEEP

                ZipDLL.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsz4660.tmp\ZipDLL.dll
                • Size 163KB
                • SHA256 6bbeb39747f1526752980d4dbec2fe2c7347f3cc983a79c92561b92fe472e7a1
                • MD5 SHA1 SHA512 SSDEEP

                jedenak.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsz4660.tmp\jedenak.dll
                • Size 138KB
                • SHA256 e2d297f87b3e2c96b2f2e374e0b5c488d8206dd0a06f2a52d0ae51d3013207a9
                • MD5 SHA1 SHA512 SSDEEP