Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 12:57

General

  • Target

    JaffaCakes118_6cc996a2f4dbf223759e073a8fd67b3f.exe

  • Size

    840KB

  • MD5

    6cc996a2f4dbf223759e073a8fd67b3f

  • SHA1

    0463c0352e9b045f2fa60407c8d88bd98c69175b

  • SHA256

    998413b50c71ed92a08e9f64eef2f47ce13ebf0574eca4c4f5ee7c3587184930

  • SHA512

    216eca7bb6efc13df205488596ffb523a38bc41ad97218924bf94f720d2cee973c6c1c15dac2d91194eb4d68d69ff199b32d03737bcd98db29974aac0f8d1969

  • SSDEEP

    12288:OCpyvXFPTfnCvX66h/NYJ9nDW6FApNg3gZqdDUtOuBiMc/j6KRVrxn7Nl4+GtlrL:rk9P7nCvX6MNYLIbgYJ3chra+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 54 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:336
  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc996a2f4dbf223759e073a8fd67b3f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc996a2f4dbf223759e073a8fd67b3f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc996a2f4dbf223759e073a8fd67b3f.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc996a2f4dbf223759e073a8fd67b3f.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1452
      • 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:2920
        • C:\Users\Admin\yiuavoc.exe
          "C:\Users\Admin\yiuavoc.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:2852
        • 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:2788
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2688
      • 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:2508
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2744
      • 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:1468
        • 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:2396
          • C:\Windows\explorer.exe
            0000003C*
            5⤵
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3028
      • 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:3060
        • 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:764
        • 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:2284
      • 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:2660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del JaffaCakes118_6cc996a2f4dbf223759e073a8fd67b3f.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:580
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1028
  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
    1⤵
    • Loads dropped DLL
    PID:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\98C4.F24

    Filesize

    300B

    MD5

    194f9d75cfd380bbf65f4509fac2248b

    SHA1

    8e4494938213b3d7ecddbc990beef33b1671e637

    SHA256

    8b9e3af56fe76ef96f778932c6f041d7587d44ef9bd5c68adb09f2c4b1ad20a5

    SHA512

    f238a1374982b3a7d71fb5cc22ddbf702703d1f64f24b1641372b058ab924d42db70a81b80646e680007d71a389cd2bb8fcb908f4ca97b482ad5b8af1cd856cf

  • C:\Users\Admin\AppData\Roaming\98C4.F24

    Filesize

    600B

    MD5

    b9ded3f3ef8cad7db16886aed0ee1dbd

    SHA1

    6b02e7ecd33d361bb194b09a98ea1b479bfdeb74

    SHA256

    54080954834b038e85dbf0f337730d1c20f2cb9cefebb345ec0b743eb0dfa676

    SHA512

    ac7e372b99fc9484bb93dece0a269a245b94f80f6b1ce9b6b8d3b41ba9a1d0388e552cdf6b89e2709ab31799ae2917099bbaaa6548ccdc2792b732838952a56d

  • C:\Users\Admin\AppData\Roaming\98C4.F24

    Filesize

    996B

    MD5

    7559123dbe3b491eb5e68ae1d8bb398e

    SHA1

    3c7fb09586455a1d8fe95056ab557047dc889823

    SHA256

    e1bb8a005cb5675f288c298a809a878bc3f65ad781d6004889966ff29fa03b02

    SHA512

    5b92ec7724083df7112b60734aad2ace42e6dfa1423be2bd7b91cb04d592cd01a5493651eb7c7f83973bfad26d9f9b72bbb4315ec81ec6ac49e5d78aeccd99c1

  • C:\Users\Admin\AppData\Roaming\98C4.F24

    Filesize

    1KB

    MD5

    2daffe63281d62c89b0f4e5f13c08c6b

    SHA1

    daf623ed3b62d78696e4fe06ec76766821bf40a9

    SHA256

    db290d192b89811f606c6b7576944281730a36f2106491d5245846097729cbf4

    SHA512

    66d8f5de82abf1dd626732dfd17069bf0416b6428b9ce97218f3715bee55cb97c0a23b95bacb1c9e5fc68209e6979e4f3287b1e230169339d347f9df0ac5332d

  • C:\Users\Admin\awhost.exe

    Filesize

    68KB

    MD5

    b0406fa1f1b4a471ce4c1521708d1ef3

    SHA1

    bd2bb68d92c8b6af7604d52e336152bc48ea1227

    SHA256

    ef2abd7d609bba1f141b3e1dc6a79d937fe68e37d51b093fc29e0d800bf6fa29

    SHA512

    07bec70b25b083919a91de4930842ba8b264e869d0251134cbfecbc9227be704c70600c9db878eee08f7d1fa1df6c848577b632f810b014d62ace26b961bb2cc

  • C:\Windows\system32\consrv.DLL

    Filesize

    53KB

    MD5

    68689b2e7472e2cfb3f39da8a59505d9

    SHA1

    5be15784ab1193dc13ac24ec1efcabded5fe2df4

    SHA256

    f304eb2cf6479a4fb36fef81c6df4d0225e251002e8f06f26ee196210bf3d168

    SHA512

    269999061cd54b23b92d385689682e687ae9030bc5d26d79dd5e99f72fa4b4eef41f5a7b555325bd558771db92e2feb8a67fb40c87223be9e23ccb498b3bbc88

  • \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\yiuavoc.exe

    Filesize

    364KB

    MD5

    d3f2765e5c80e652df090c6d0574fa11

    SHA1

    3522cee83d0063e6af620cc9e3f334c044af0658

    SHA256

    567eaeb2b056a7162ededa8c9c9da5521906f45f60a6498ed54a80690bca8e32

    SHA512

    2f553aee657d5d8e311faaec59e2a570794390d9169c464b748829a2abe18fca145f94baf8e70321f8167dc999f9176d34bd95b43dda7dcaa033fd380dd9b00a

  • \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/336-121-0x0000000000850000-0x0000000000862000-memory.dmp

    Filesize

    72KB

  • memory/764-157-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB

  • memory/1452-159-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1452-357-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1452-4-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1452-6-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1452-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1452-12-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1452-14-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1452-3-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/1468-97-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2396-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2396-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2396-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2396-80-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2396-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2396-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2396-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2744-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-53-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-63-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2744-66-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-67-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-68-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-55-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2744-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3028-98-0x00000000001F0000-0x0000000000209000-memory.dmp

    Filesize

    100KB

  • memory/3028-108-0x00000000001F0000-0x0000000000209000-memory.dmp

    Filesize

    100KB

  • memory/3028-103-0x00000000001F0000-0x0000000000209000-memory.dmp

    Filesize

    100KB

  • memory/3060-163-0x0000000000400000-0x0000000000449000-memory.dmp

    Filesize

    292KB