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Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 09:27

General

  • Target

    3f11133f9df37ba69963fddc92f3e75f_JaffaCakes118.exe

  • Size

    77KB

  • MD5

    3f11133f9df37ba69963fddc92f3e75f

  • SHA1

    6350ff86d201bd90a1a55125c496c59b32f65690

  • SHA256

    1a14bfd8d8d6a97883dd217f0c0733f4789a39d06014baff0ca9f647e805d248

  • SHA512

    d2c244f9137ac9fd8fd6be2d52821f318ae4e9dce1f2b4bb9890cd241292f76ef4e052e9a5ca1acb4f6e0a1bb1a67964dae3bd0e2d0f008e430aebae4b4968e5

  • SSDEEP

    1536:2mQ0u4oaXubNkgzpW4iWKsuyn2biLNn30lTmYSO/dOrE1/dTTo:2mQrSuy46sN2bcNnYTmYSKNFdTTo

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Windows directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 45 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f11133f9df37ba69963fddc92f3e75f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3f11133f9df37ba69963fddc92f3e75f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Windows\YRB\ORN.vbe" 0
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2840
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Windows\QZF\QSLMJNKZUQ.dll"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2800
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c regedit.exe /s C:\Windows\reg.reg
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\regedit.exe
        regedit.exe /s C:\Windows\reg.reg
        3⤵
        • Installs/modifies Browser Helper Object
        • System Location Discovery: System Language Discovery
        • Runs .reg file with regedit
        PID:2612
    • C:\Windows\T\smss.exe
      C:\Windows\T\smss.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2628
    • C:\Windows\T\smss.exe
      C:\Windows\T\smss.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\reg.exe
        reg add HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v "micrososo" /d "c:\windows\t\smss.exe " /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:676
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Windows\del.bho.vbe" 0
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\run.jse

    Filesize

    201B

    MD5

    d069f9cca8a0ee1c0384b22d22bdf68d

    SHA1

    06e07b6063471ff27760b6c32cc90324d3c14133

    SHA256

    b1be9ef641f134bb5db1e7c94567f5bf0096b6e0408aab3f333c814ad9909f0c

    SHA512

    29038a13e8842bf77259e5de9069dec8f88cc5f958bba25a33655230d17c76f7affd3a366ed86d673fc842f1766809142bb2fda05954af5da15642e54fd984a0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0E1IWGZ4\ErrorPageTemplate[1]

    Filesize

    2KB

    MD5

    f4fe1cb77e758e1ba56b8a8ec20417c5

    SHA1

    f4eda06901edb98633a686b11d02f4925f827bf0

    SHA256

    8d018639281b33da8eb3ce0b21d11e1d414e59024c3689f92be8904eb5779b5f

    SHA512

    62514ab345b6648c5442200a8e9530dfb88a0355e262069e0a694289c39a4a1c06c6143e5961074bfac219949102a416c09733f24e8468984b96843dc222b436

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0E1IWGZ4\dnserrordiagoff[1]

    Filesize

    1KB

    MD5

    47f581b112d58eda23ea8b2e08cf0ff0

    SHA1

    6ec1df5eaec1439573aef0fb96dabfc953305e5b

    SHA256

    b1c947d00db5fce43314c56c663dbeae0ffa13407c9c16225c17ccefc3afa928

    SHA512

    187383eef3d646091e9f68eff680a11c7947b3d9b54a78cc6de4a04629d7037e9c97673ac054a6f1cf591235c110ca181a6b69ecba0e5032168f56f4486fff92

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0E1IWGZ4\info_48[1]

    Filesize

    4KB

    MD5

    5565250fcc163aa3a79f0b746416ce69

    SHA1

    b97cc66471fcdee07d0ee36c7fb03f342c231f8f

    SHA256

    51129c6c98a82ea491f89857c31146ecec14c4af184517450a7a20c699c84859

    SHA512

    e60ea153b0fece4d311769391d3b763b14b9a140105a36a13dad23c2906735eaab9092236deb8c68ef078e8864d6e288bef7ef1731c1e9f1ad9b0170b95ac134

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6XUZ2JLF\httpErrorPagesScripts[1]

    Filesize

    8KB

    MD5

    3f57b781cb3ef114dd0b665151571b7b

    SHA1

    ce6a63f996df3a1cccb81720e21204b825e0238c

    SHA256

    46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

    SHA512

    8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WHDSWW5V\background_gradient[1]

    Filesize

    453B

    MD5

    20f0110ed5e4e0d5384a496e4880139b

    SHA1

    51f5fc61d8bf19100df0f8aadaa57fcd9c086255

    SHA256

    1471693be91e53c2640fe7baeecbc624530b088444222d93f2815dfce1865d5b

    SHA512

    5f52c117e346111d99d3b642926139178a80b9ec03147c00e27f07aab47fe38e9319fe983444f3e0e36def1e86dd7c56c25e44b14efdc3f13b45ededa064db5a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WHDSWW5V\errorPageStrings[1]

    Filesize

    2KB

    MD5

    e3e4a98353f119b80b323302f26b78fa

    SHA1

    20ee35a370cdd3a8a7d04b506410300fd0a6a864

    SHA256

    9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

    SHA512

    d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YW15VCHK\bullet[1]

    Filesize

    447B

    MD5

    26f971d87ca00e23bd2d064524aef838

    SHA1

    7440beff2f4f8fabc9315608a13bf26cabad27d9

    SHA256

    1d8e5fd3c1fd384c0a7507e7283c7fe8f65015e521b84569132a7eabedc9d41d

    SHA512

    c62eb51be301bb96c80539d66a73cd17ca2021d5d816233853a37db72e04050271e581cc99652f3d8469b390003ca6c62dad2a9d57164c620b7777ae99aa1b15

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YW15VCHK\navcancl[1]

    Filesize

    2KB

    MD5

    4bcfe9f8db04948cddb5e31fe6a7f984

    SHA1

    42464c70fc16f3f361c2419751acd57d51613cdf

    SHA256

    bee0439fcf31de76d6e2d7fd377a24a34ac8763d5bf4114da5e1663009e24228

    SHA512

    bb0ef3d32310644285f4062ad5f27f30649c04c5a442361a5dbe3672bd8cb585160187070872a31d9f30b70397d81449623510365a371e73bda580e00eef0e4e

  • C:\Windows\QZF\QSLMJNKZUQ.dll

    Filesize

    3.3MB

    MD5

    54733e325dfea3478fba401ce26f3dc2

    SHA1

    f8fedd286e34088e2bf5e4060a2996080fee6ad4

    SHA256

    3fa1108676abf97eedc0ebca3a7acef080f6b2d54756e58f6cffe8db29642b84

    SHA512

    be3fa244742e53253c0eb94cfc2ee14fe2f5a6866a43e10dbe5ed80ca31c0bb9e89c1afccb7dda4e98a9110575032434406412659ea935a1c50693b31b46e40c

  • C:\Windows\Survival_0.txt

    Filesize

    3B

    MD5

    a5ea0ad9260b1550a14cc58d2c39b03d

    SHA1

    f0aedf295071ed34ab8c6a7692223d22b6a19841

    SHA256

    f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04

    SHA512

    7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74

  • C:\Windows\YRB\ORN.vbe

    Filesize

    1.4MB

    MD5

    6b207acfadf906a07df549e214dd367f

    SHA1

    ff593c0d63ac8295860d08125feb7ab6690c0887

    SHA256

    63c39b44c2edf0d767a2397150cca462a77d5f812dc7c328698be7802f60a064

    SHA512

    df69771c40edc85de84481fda44eefdb86a572296b4b2697b4600731bd879e8c370bb1521de3155f5fac175f8389b5cfa128b3ea0866024fb8027e7807198b6c

  • C:\Windows\del.bho.vbe

    Filesize

    426B

    MD5

    600b935e9b2268e1866da1b8ec800316

    SHA1

    0fdc65e7e4d6cb9802c3c91dc0e10f220fb77622

    SHA256

    d2a43948bd79b7ac2a2cae4b9a45b0e4debbe293248f73f79292bae453e3b786

    SHA512

    6cd432658d9fdbeb284a1382e5865492d517f4d4450efb4d8401a9f9ba56bb52d887bc7086d9fa702c62aee259369e5f4c55feb41e4a92050040bd53bc07d674

  • C:\Windows\reg.reg

    Filesize

    185B

    MD5

    8c60338daede12257ecea2129aceea7a

    SHA1

    cb7921ca7fc11a04c3f1230a4676769656a1af44

    SHA256

    03c1eccc1d53b3bf3fd5b36f8f05ed242b2c023423708aee1b819e2764bd78f2

    SHA512

    a948da636a6a26e0aa0e711a0c66b1aaf53f9c7b3a73e34a1a7ca93884742637f4a155d6dba28a19c6c64685a20555147308fc46fd4a66996a5eed8e2bd5238c

  • C:\Windows\userid.txt

    Filesize

    5B

    MD5

    3719bc4d13977453b5d8c9d8f1e7462a

    SHA1

    c24505bcdb2b09980198730cd4791acad1796dcc

    SHA256

    197a4e2a0db3b79c8240827c9ea2ed1476c8a5ad7e22c02c832ba3a0a8bff9a1

    SHA512

    9bebfe9c377389f34afd15c2f4e2b027edfec3ec4883f0df09c8a0e4d22dbb9692eb8b4264c89165bc336c458e5488a7cd743bd5f99ae5d4b71a8b3c2805f1a5

  • \Windows\T\smss.exe

    Filesize

    68KB

    MD5

    b360a5d6ebafeca7b928e870d60d313e

    SHA1

    13d54b73843603fd86cabde7f8bd45b5dde9e1c9

    SHA256

    be12ba429afb3f0aad0d03f2bfca19842c07deb5a622f9651b9e36b774f76635

    SHA512

    e78b8fdb525c78e985dd2099b65c89b21d5f75c1f1a7ffddfbdab2b57cdc22c4a96e36b6703318f894664e905446e5d4cd44656dc91e7198b2d44f87d4eb7683

  • memory/1488-92-0x0000000000400000-0x0000000000590000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-44-0x0000000005A00000-0x0000000006A62000-memory.dmp

    Filesize

    16.4MB

  • memory/1488-0-0x0000000000400000-0x0000000000590000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-130-0x0000000000400000-0x0000000000590000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-1-0x0000000000B60000-0x0000000000CF0000-memory.dmp

    Filesize

    1.6MB

  • memory/2628-81-0x0000000005AC0000-0x0000000006B22000-memory.dmp

    Filesize

    16.4MB