Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 15:47

General

  • Target

    e5175538e80532d6191890633708ed3f_JaffaCakes118.exe

  • Size

    651KB

  • MD5

    e5175538e80532d6191890633708ed3f

  • SHA1

    c7723d7ddb881f8cf091a453672ffd4e60004dcc

  • SHA256

    a9f7f0dc6a0d065cb78b5a1b5a850fded71e491cbf81291700e33ff0e867ee1f

  • SHA512

    8bcd8047a65b3269c014713307b9cef3d4b17e95c3f56768b44d1af049623023c9800f5f123b092e9720e3a17f416db9a30944ec63ee15a87c718c80146bc92f

  • SSDEEP

    12288:kpyZT1GrCxu/mDwLRI6BxcDqp9aqCcajVuD3Z7BPQGMWYur0s0D:kUx1GjOD3SxcDDcNDqWYurL0

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • ModiLoader Second Stage 11 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 14 IoCs
  • UPX packed file 23 IoCs

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

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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 use of UnmapMainImage
    PID:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:848
    • C:\Users\Admin\AppData\Local\Temp\e5175538e80532d6191890633708ed3f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e5175538e80532d6191890633708ed3f_JaffaCakes118.exe"
      1⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Users\Admin\AppData\Local\Temp\e5175538e80532d6191890633708ed3f_JaffaCakes118.exe
        e5175538e80532d6191890633708ed3f_JaffaCakes118.exe
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Users\Admin\dHY4IvP3.exe
          C:\Users\Admin\dHY4IvP3.exe
          3⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2160
          • C:\Users\Admin\yrtuud.exe
            "C:\Users\Admin\yrtuud.exe"
            4⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:2580
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2644
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              5⤵
              • Enumerates processes with tasklist
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2984
        • C:\Users\Admin\azhost.exe
          C:\Users\Admin\azhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2812
          • C:\Users\Admin\azhost.exe
            azhost.exe
            4⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            PID:2852
        • C:\Users\Admin\bzhost.exe
          C:\Users\Admin\bzhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1632
          • C:\Users\Admin\bzhost.exe
            bzhost.exe
            4⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            PID:2344
        • C:\Users\Admin\czhost.exe
          C:\Users\Admin\czhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2384
          • C:\Users\Admin\czhost.exe
            czhost.exe
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:1664
        • C:\Users\Admin\dzhost.exe
          C:\Users\Admin\dzhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2912
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3040
        • C:\Users\Admin\ezhost.exe
          C:\Users\Admin\ezhost.exe
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:444
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del e5175538e80532d6191890633708ed3f_JaffaCakes118.exe
          3⤵
          • Deletes itself
          • System Location Discovery: System Language Discovery
          PID:1688
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1560
    • C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
      1⤵
        PID:1036

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\system32\consrv.dll

        Filesize

        53KB

        MD5

        63e99b675a1337db6d8430195ea3efd2

        SHA1

        1baead2bf8f433dc82f9b2c03fd65ce697a92155

        SHA256

        6616179477849205eb4075b75a042056d196f45d67f78929dbb3317a35ccbea9

        SHA512

        f5b986eafa38dbc9ad7759784ac887ecbb9c8d8009a3f33e91b9c9ceeaf043ed3e4ddab8e6b6b77e54aed9fcecab02442c8ff253f2136ea06996d05ddd68199f

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

        Filesize

        2KB

        MD5

        8b8e87547a86131e02d8506762b816d4

        SHA1

        3d384b93913255bd9dd0c90d3f41fec9d2f2b0a3

        SHA256

        3b8ccf740d2c03bba51ebf8c1594cb818e8e7f59ef8ce4a414074866993c5b50

        SHA512

        83550b8ef048135492319fefa7c3f8789ab9c1696251ae42ff14b86497df7df07fc811bcca33b313367a820a1b8e6e6882341802447dd2edd8223183b24d3fad

      • \Users\Admin\azhost.exe

        Filesize

        248KB

        MD5

        27ef898ce7ec9c0b79a6996a0b419de1

        SHA1

        4e8aed756fbc6133af13028c33366d2eaa43f954

        SHA256

        f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6

        SHA512

        5c7fa67e7ed1e8ce238e58f0b55618d1fc13af4e19d9267f6e88e277beb2f10e6c0f0027a532a2d1d4b6e40da1b31dfcacf50ccb71a75dc231ff876869b6787a

      • \Users\Admin\bzhost.exe

        Filesize

        138KB

        MD5

        4e22775699416e81275fea3266e14bba

        SHA1

        32cc2479a30abd1b40b3b7e959ac32317fa124fd

        SHA256

        95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9

        SHA512

        34b13e9142a9c4251c78d876f02f9e86f22253950d3f9126dacd8ec6f0f3bbd36146381ce16b130d794c4bbc1ba08aa4df8e2e7af0c3900035d486242c81e3bf

      • \Users\Admin\czhost.exe

        Filesize

        96KB

        MD5

        fb7e8882346223dfbad778b5a7f74f32

        SHA1

        8285032fbab2f9f52533657d46df457ab64d0e15

        SHA256

        6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e

        SHA512

        31e3963dd156da4a57b3ffd37b857ee1d433c61dc22eb56356f2171b282f3735a1c31d65b3a0b431151b55bfebf964f82c5aa13a12f1c2a8a580840a7ea5da32

      • \Users\Admin\dHY4IvP3.exe

        Filesize

        288KB

        MD5

        e2a16fca33158332dbb3c66021fe8e3b

        SHA1

        9b784a05bf73e0bffbc2d6afe9acb4ca9d44a355

        SHA256

        17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82

        SHA512

        6ec42b9cbd79a0835abdb2e7e4484d143bea726d9d17929482d1efb16590d895bcbe24e7957dcfc26f093f7a6d1dc07644c649d5918227f101a2515dddb86550

      • \Users\Admin\dzhost.exe

        Filesize

        221KB

        MD5

        5b414fb77d0dbec97ee529ec0bbcbeaf

        SHA1

        359cd24cd341f75eb46b99375824f6b649443f8e

        SHA256

        62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882

        SHA512

        887b1b93e51d21927ffba49536f281003eef1dbee7634a08cab256f07701d54fe755acab7ae4a513c754067e4144c44c3580689ce187fd584ba440ab748a2360

      • \Users\Admin\ezhost.exe

        Filesize

        28KB

        MD5

        46ede15ce82c221c24bf81b2de1be7e8

        SHA1

        c332a5ec7aeb213c13449626156f6623351a4393

        SHA256

        a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782

        SHA512

        517f497a4783a0f67ccfca641d93b7f20505c89d6252229f5b97df674f7be20ae48d4732c137ba081c2c1f8ec712371fa4ba4602873e11c0e02b109a00b6c316

      • \Users\Admin\yrtuud.exe

        Filesize

        288KB

        MD5

        05d397e264225db3b620b3cbaa30b8ad

        SHA1

        fb2bd1c9bf70952b3ca7d668fe0bd5ddd1b3c5a9

        SHA256

        0bc334c50ec04242eba5c4c7edd1f358076c0adedf21d9a9b335168fc556beee

        SHA512

        530127c330042d470d2d872270ce7d53e5d99c348d09bf49deb38ba1d8a6dcc82003c5df95056b2032ff74fd9f73d73c0e11277cc949d546ed757ab3b802e89a

      • memory/1632-92-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1664-109-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-107-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-122-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-123-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-111-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-115-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-120-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1664-121-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/2160-45-0x0000000003660000-0x000000000411A000-memory.dmp

        Filesize

        10.7MB

      • memory/2344-83-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2344-91-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2344-169-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2344-85-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2344-97-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2344-98-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2344-87-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/2384-117-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2652-10-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2780-132-0x00000000002A0000-0x0000000000304000-memory.dmp

        Filesize

        400KB

      • memory/2780-192-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-80-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-15-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-6-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2780-2-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-125-0x00000000002A0000-0x0000000000304000-memory.dmp

        Filesize

        400KB

      • memory/2780-13-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-14-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-12-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-4-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-0-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-16-0x0000000000400000-0x0000000000507000-memory.dmp

        Filesize

        1.0MB

      • memory/2812-71-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/2852-56-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2852-61-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2852-54-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2852-72-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2852-58-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2852-68-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2852-64-0x0000000000400000-0x0000000000437000-memory.dmp

        Filesize

        220KB

      • memory/2912-133-0x0000000000390000-0x00000000003D5000-memory.dmp

        Filesize

        276KB

      • memory/2912-156-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB