Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    17-07-2024 12:23

General

  • Target

    52f6676242ad7776f212e652521cc6a3_JaffaCakes118.exe

  • Size

    170KB

  • MD5

    52f6676242ad7776f212e652521cc6a3

  • SHA1

    6c5de54bb5fb8a6c219afb394b70f2b798bf88d3

  • SHA256

    f81b208bcf1907bdd65d175e0bf589afb8b4d578159810b470bbc1a905f13078

  • SHA512

    10c65ef80e0e02797ae17766881c593112d392220d526bec872c57160852eba94597d58641b91c26cf07a1b8c9d1556c2dba75102098fb1de51582b5d809b142

  • SSDEEP

    3072:27n6GeW2G+OKR+igvwg3HDOU/QcEiUwAKMvVx8VMLckceRd+pn3ZrN0yUb62D+MC:2T2PZgvwg3HnFEiPI82IUd+B3ZrNbe+9

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:336
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:848
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1196
        • C:\Users\Admin\AppData\Local\Temp\52f6676242ad7776f212e652521cc6a3_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\52f6676242ad7776f212e652521cc6a3_JaffaCakes118.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2708
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            3⤵
            • Deletes itself
            PID:2568

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Windows\system32\consrv.dll

        Filesize

        52KB

        MD5

        6bf2039986af96d98e08824ac6c383fd

        SHA1

        0bb6384656a96943cb427baa92446f987219a02e

        SHA256

        a3e03454ff636f4cdd0a95b856ea9e7857cd3ce0fd2bc6d528ab45781349103f

        SHA512

        fae378badcd6b45d69705d11fe5feb2d9f93fa444249c13aff9b150359ffdbcfe2b160731e193d3e19b6eef18d2ef01de41549a1c2bbdf59501f901511f9068e

      • \??\globalroot\systemroot\assembly\temp\@

        Filesize

        2KB

        MD5

        fb9878fb6b69488ac6b769b76272104a

        SHA1

        48c4826aa276a5696f50940c3349775b2925a3d0

        SHA256

        fde8ad52fb931328955701fdf369a2d8ba9264cd7a4f88b5c8f7c35b3f7339ff

        SHA512

        6db179960aea15a886ed778571cf934f544195b687d6357aa26e535882c42d9e9113944e38b353d2a253b41e6458bb388c15aa982f5b3f5c7060ffbc33b17e38

      • memory/336-18-0x00000000022A0000-0x00000000022A1000-memory.dmp

        Filesize

        4KB

      • memory/336-22-0x00000000022B0000-0x00000000022C1000-memory.dmp

        Filesize

        68KB

      • memory/336-20-0x00000000022B0000-0x00000000022C1000-memory.dmp

        Filesize

        68KB

      • memory/336-29-0x00000000022B0000-0x00000000022C1000-memory.dmp

        Filesize

        68KB

      • memory/848-43-0x0000000000C60000-0x0000000000C6B000-memory.dmp

        Filesize

        44KB

      • memory/848-39-0x0000000000C50000-0x0000000000C5B000-memory.dmp

        Filesize

        44KB

      • memory/848-36-0x0000000000C50000-0x0000000000C5B000-memory.dmp

        Filesize

        44KB

      • memory/848-31-0x0000000000C50000-0x0000000000C5B000-memory.dmp

        Filesize

        44KB

      • memory/848-42-0x0000000000C40000-0x0000000000C41000-memory.dmp

        Filesize

        4KB

      • memory/848-44-0x0000000000C60000-0x0000000000C6B000-memory.dmp

        Filesize

        44KB

      • memory/848-40-0x0000000000C60000-0x0000000000C6B000-memory.dmp

        Filesize

        44KB

      • memory/1196-8-0x00000000025D0000-0x00000000025D6000-memory.dmp

        Filesize

        24KB

      • memory/1196-5-0x00000000025D0000-0x00000000025D6000-memory.dmp

        Filesize

        24KB

      • memory/1196-12-0x00000000025D0000-0x00000000025D6000-memory.dmp

        Filesize

        24KB

      • memory/1196-13-0x00000000025C0000-0x00000000025C2000-memory.dmp

        Filesize

        8KB

      • memory/2708-26-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2708-28-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2708-25-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2708-24-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2708-0-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/2708-3-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2708-2-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2708-1-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB