Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 13:49

General

  • Target

    JaffaCakes118_7a0705fd029d27ca5b4a3c4ab03748d2.exe

  • Size

    840KB

  • MD5

    7a0705fd029d27ca5b4a3c4ab03748d2

  • SHA1

    eb992cd882ab68b84d001237d7ec14f1ed9bbf00

  • SHA256

    66d2b3a7a633f9e3ccfddf4b353693419fcebf822c0ea1956dd6423fa0e3428e

  • SHA512

    7f878ac7e2e34ce21343c7c96bca81126cbf3b531baddf000625b1aea278845342650020c5af3f7b5233cfd7e138c3fd2131aab2914fab82ed5f221f39389d30

  • SSDEEP

    12288:YCpyvXFPTfnCvX66h/NYJ9nDW6FApNg3gZqdDUtOuBiMc/j6KRVrxn7Nl4+GtlrL:lk9P7nCvX6MNYLIbgYJ3chra+GbrL

Malware Config

Signatures

  • Cycbot

    Cycbot is a backdoor and trojan written in C++..

  • Cycbot family
  • Detects Cycbot payload 2 IoCs

    Cycbot is a backdoor and trojan written in C++.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 14 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 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:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a0705fd029d27ca5b4a3c4ab03748d2.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a0705fd029d27ca5b4a3c4ab03748d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a0705fd029d27ca5b4a3c4ab03748d2.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a0705fd029d27ca5b4a3c4ab03748d2.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\d3WQGzd9.exe
        C:\Users\Admin\d3WQGzd9.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:988
        • C:\Users\Admin\jpjog.exe
          "C:\Users\Admin\jpjog.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:2804
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del d3WQGzd9.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2756
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2604
      • C:\Users\Admin\awhost.exe
        C:\Users\Admin\awhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2592
      • C:\Users\Admin\bwhost.exe
        C:\Users\Admin\bwhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:372
        • C:\Users\Admin\bwhost.exe
          "C:\Users\Admin\bwhost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2832
          • C:\Windows\explorer.exe
            0000003C*
            5⤵
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2040
      • C:\Users\Admin\cwhost.exe
        C:\Users\Admin\cwhost.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        PID:1252
        • C:\Users\Admin\cwhost.exe
          C:\Users\Admin\cwhost.exe startC:\Users\Admin\AppData\Roaming\conhost.exe%C:\Users\Admin\AppData\Roaming
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2944
        • C:\Users\Admin\cwhost.exe
          C:\Users\Admin\cwhost.exe startC:\Users\Admin\AppData\Local\Temp\dwm.exe%C:\Users\Admin\AppData\Local\Temp
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2788
      • C:\Users\Admin\dwhost.exe
        C:\Users\Admin\dwhost.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2808
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del JaffaCakes118_7a0705fd029d27ca5b4a3c4ab03748d2.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1628
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1264
  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
    1⤵
    • Loads dropped DLL
    PID:2856
  • C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
    1⤵
      PID:1220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\26C4.CFD

      Filesize

      600B

      MD5

      f4aa1cf06b5d4c2d4ae0d786eb3f8435

      SHA1

      8b0432aa0d780d6a737551b6e0c3fd28d305a361

      SHA256

      e80c55a6d9358f229a6256fd70051d685d3598227b1796507ad9957a8152644f

      SHA512

      9ce4964ba91b99ba29ead6ada91edfdccc612e1c557131d8b86c43091632875a8fbddddb6a603c8693baa9468845db3fdbfdbb772583d301b85fadf04ea6d7e7

    • C:\Users\Admin\AppData\Roaming\26C4.CFD

      Filesize

      996B

      MD5

      bc89c17de21819474c7ea9c568a48ff2

      SHA1

      078a041b22098ff78339944090349fcd1e56d3a9

      SHA256

      7cec9445d9a8fc38303532875d4120d7a5fc6d07db1ff17b51eca79ef7f6fdb3

      SHA512

      3145b7115c9dd387201e8de23845c19bdf296ce5b5e9069e54798c8fa12a505310443261dc535a31078f4e0c31fea7851abb15c1f157961acabd47c0b7459412

    • C:\Users\Admin\AppData\Roaming\26C4.CFD

      Filesize

      1KB

      MD5

      9bd33c4bdcf3310c7c8463100156cf94

      SHA1

      e3935e92a95cbdcddb9c3d5f246246b298abd380

      SHA256

      a29d80377b0d7aa3fb6f26de46f059a6df979d69380211cdaacb9909f1cf3b01

      SHA512

      a0abd8eb05ae613b070973524638aeb1dee66eec8b596066db6c69b3dfbb611572b55ed174b6a9d6db12cf5b79db97f096aa0f4a65d14b2b5901ae965d7fb8e9

    • C:\Windows\system32\consrv.DLL

      Filesize

      53KB

      MD5

      68689b2e7472e2cfb3f39da8a59505d9

      SHA1

      5be15784ab1193dc13ac24ec1efcabded5fe2df4

      SHA256

      f304eb2cf6479a4fb36fef81c6df4d0225e251002e8f06f26ee196210bf3d168

      SHA512

      269999061cd54b23b92d385689682e687ae9030bc5d26d79dd5e99f72fa4b4eef41f5a7b555325bd558771db92e2feb8a67fb40c87223be9e23ccb498b3bbc88

    • \Users\Admin\awhost.exe

      Filesize

      68KB

      MD5

      b0406fa1f1b4a471ce4c1521708d1ef3

      SHA1

      bd2bb68d92c8b6af7604d52e336152bc48ea1227

      SHA256

      ef2abd7d609bba1f141b3e1dc6a79d937fe68e37d51b093fc29e0d800bf6fa29

      SHA512

      07bec70b25b083919a91de4930842ba8b264e869d0251134cbfecbc9227be704c70600c9db878eee08f7d1fa1df6c848577b632f810b014d62ace26b961bb2cc

    • \Users\Admin\bwhost.exe

      Filesize

      136KB

      MD5

      acaf206a193335d7983a46a8c9e18fea

      SHA1

      3a33b8148c23887c2b9edc2d0dbec3d83398069b

      SHA256

      8aa2fb2e061fc4a30160f912db3f1ea75189d16d922f82aba6538e92c4df47ca

      SHA512

      846622efa83273ce9f40f38953077eca4a6f064923a8cf9b202d19cac9fac4c8e58007f2531fafafb6b408787d0ed23a3349b49794d0311736efa35bba6fba10

    • \Users\Admin\cwhost.exe

      Filesize

      170KB

      MD5

      40d9607cb66da11b9adfec5b93b8b311

      SHA1

      55bf463cd5c0c90ba92935ef81ae47ab3bc5fea6

      SHA256

      033e60eebb966b3bcfbe27fa3e99e8f393970f320b5cc25cb16517869eb5f3e6

      SHA512

      e764053de1c2444e61e638e67e91cf7d9d968df4d60b8bcc3f5ddfc317edb1f14e950d096d451fa372a699fc886125066f4e2f2de171641433ce1e066aa58078

    • \Users\Admin\d3WQGzd9.exe

      Filesize

      364KB

      MD5

      db406d87e556a0008c18429ecf3cc93a

      SHA1

      3a1b7a87080bf1d78fca904bd7515833bbd380e8

      SHA256

      2712b4f742a53c7d4b9a55c8f760447a26925c10a3ca6c10b84dea49482a2768

      SHA512

      e0da870b0c8f8955277b9227ef3de2b4d3e45d37986ac9a9b445e24506f265020f071365a2135b1e2892aaa64c3b7477d6c4a57598f3601655d74d92d6222354

    • \Users\Admin\dwhost.exe

      Filesize

      24KB

      MD5

      aaa893d374547f20f7fdd7c3b6c56b36

      SHA1

      f7aab7bd60af5e948b71abcccbcfb1d62f6580ff

      SHA256

      17c950477ffd3e28c4135c4cc5711589415129c7b21c4af1e89deaf68f043d03

      SHA512

      491b88e809425dd20dc9052fe45ab101ccb803c186a27d6502bf1cbefa8d903d51f72c02e604ec346f77b85c4324daa036341a42fcba0a96e5c69781ebfecb31

    • \Users\Admin\jpjog.exe

      Filesize

      364KB

      MD5

      e1c0a7bfea23564ec0b9b851ba2698bf

      SHA1

      740fc6f1128f435e33a64435f0f3a3ca8f2cadfe

      SHA256

      64a586eb70dd6b07b77e11add1ea01ea4828f63aac860d45c77fc59d14c2d3a9

      SHA512

      616ed733310bb0a007a62a6ddfc5fd794c86c04256f1fd27a069e7dc615ed278415512a5c3655fbe1790060d41cefa1b5df7f820f7b281cc5937eda00a94cab9

    • \Windows\assembly\GAC_32\Desktop.ini

      Filesize

      4KB

      MD5

      ff7d5ec20bf73c02317e7a740fffe018

      SHA1

      365ac8cfe5b939854cc1c341caf051bcc45f9372

      SHA256

      1e230847d7034f5ab3bf010f569315e00673859af0574fc9f915636ed905779a

      SHA512

      30854c0d703fd7c6cbc0769d9be4125baa2577ec529d5e48177a434685b66752fd79c50f0321324e23eeb985738f403347748afefae7d8a3bfad388a5b512a44

    • \Windows\assembly\GAC_64\Desktop.ini

      Filesize

      5KB

      MD5

      3e7a118b119428247edfc5d5ef3761bc

      SHA1

      140e4cb00107678160411f016c4c17611580a209

      SHA256

      97c19f4103a16798202e50a501375d0bf3d7ec1bb654dda230337e85b01b1ec5

      SHA512

      b0e27a4d7aa62f937f275b9f413f75857846ae670bf3aed6e55c1db865485fda89e33dcdffa02ae2ab25f48d5f63f869232f9e6d69f9cdc8a5c93f39de09a925

    • memory/332-117-0x0000000002580000-0x0000000002592000-memory.dmp

      Filesize

      72KB

    • memory/372-94-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/2040-98-0x0000000000300000-0x0000000000319000-memory.dmp

      Filesize

      100KB

    • memory/2040-108-0x0000000000300000-0x0000000000319000-memory.dmp

      Filesize

      100KB

    • memory/2040-103-0x0000000000300000-0x0000000000319000-memory.dmp

      Filesize

      100KB

    • memory/2504-140-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2504-14-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2504-13-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2504-2-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2504-4-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2504-6-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2504-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2504-325-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

    • memory/2592-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2592-59-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-53-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-66-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-63-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-61-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-57-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-55-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-69-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2592-68-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2788-208-0x0000000000400000-0x0000000000449000-memory.dmp

      Filesize

      292KB

    • memory/2832-80-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2832-84-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2832-82-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2832-86-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2832-88-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2832-91-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2832-93-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2944-138-0x0000000000400000-0x0000000000449000-memory.dmp

      Filesize

      292KB