Analysis

  • max time kernel
    92s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 18:04

General

  • Target
    a1a69d1f86c8fcbf25a0c6f7e603db78_JaffaCakes118.exe
  • Size 1.0MB
  • Sample240612-wnx46ayanp
  • SHA256 22bdd1d1d15a4151db227bad1c4d684610150ae62e631c0bd5964692e709ed3d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 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
  • NSIS installer 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1a69d1f86c8fcbf25a0c6f7e603db78_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a1a69d1f86c8fcbf25a0c6f7e603db78_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\File.exe
      "C:\Users\Admin\AppData\Local\Temp\File.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Users\Admin\AppData\Local\Temp\ecgcabfbdjcdg.exe
        C:\Users\Admin\AppData\Local\Temp\ecgcabfbdjcdg.exe 1)1)3)0)6)7)6)6)5)8)3 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
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:924
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81718215485.txt bios get serialnumber
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3468
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81718215485.txt bios get version
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2444
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic /output:C:\Users\Admin\AppData\Local\Temp\81718215485.txt bios get version
          4⤵
            PID:1620
          • C:\Windows\SysWOW64\Wbem\wmic.exe
            wmic /output:C:\Users\Admin\AppData\Local\Temp\81718215485.txt bios get version
            4⤵
              PID:2008
            • C:\Windows\SysWOW64\Wbem\wmic.exe
              wmic /output:C:\Users\Admin\AppData\Local\Temp\81718215485.txt bios get version
              4⤵
                PID:3060
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 956
                4⤵
                • Program crash
                PID:3592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 924 -ip 924
          1⤵
            PID:2552

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                81718215485.txt

                • Path C:\Users\Admin\AppData\Local\Temp\81718215485.txt
                • Size 2B
                • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
                • MD5 SHA1 SHA512

                81718215485.txt

                • Path C:\Users\Admin\AppData\Local\Temp\81718215485.txt
                • Size 58B
                • SHA256 79dae8edfddb5a748fb1ed83c87081b245aeff9178c95dcf5fbaaed6baf82121
                • MD5 SHA1 SHA512

                81718215485.txt

                • Path C:\Users\Admin\AppData\Local\Temp\81718215485.txt
                • Size 66B
                • SHA256 d5418014fa8e6e17d8992fd12c0dfecac8a34855603ea58133e87ea09c2130df
                • MD5 SHA1 SHA512

                File.exe

                • Path C:\Users\Admin\AppData\Local\Temp\File.exe
                • Size 548KB
                • SHA256 8f23c410f0e231169c90d50f53a290b36c28dcbdbeea729d72d82cb0bfc128a6
                • MD5 SHA1 SHA512 SSDEEP

                ecgcabfbdjcdg.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ecgcabfbdjcdg.exe
                • Size 764KB
                • SHA256 dd2316e5589354d5578d02ea67ce4cb416d7eced52cb4aa9cb91ed3b024ec532
                • MD5 SHA1 SHA512 SSDEEP

                nsisunz.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsv3C4E.tmp\nsisunz.dll
                • Size 40KB
                • SHA256 6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
                • MD5 SHA1 SHA512 SSDEEP

                swbddzhb.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsv3C4E.tmp\swbddzhb.dll
                • Size 107KB
                • SHA256 9b9d2a9f86f1f142daefc945df9ad783498b3aea1c28573ccbee9f92f359ca54
                • MD5 SHA1 SHA512 SSDEEP

                memory/1904-0-0x00007FFD6CC55000-0x00007FFD6CC56000-memory.dmp

                memory/1904-1-0x00007FFD6C9A0000-0x00007FFD6D341000-memory.dmp

                memory/1904-13-0x000000001C680000-0x000000001C6F8000-memory.dmp

                memory/1904-89-0x00007FFD6C9A0000-0x00007FFD6D341000-memory.dmp