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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 07:03

General

  • Target

    2ce90a7ccef295dffd02af7eac4ca4a7_JaffaCakes118.exe

  • Size

    255KB

  • MD5

    2ce90a7ccef295dffd02af7eac4ca4a7

  • SHA1

    f389d52e3c9fc0e6c4ae0c2746e67b8aa17f97cd

  • SHA256

    451dc58e2c48916c3929d5cc707a195031af65e4c070e0f1e6cde8038fd3cd84

  • SHA512

    99c14e7e54316a5bf0bd8f1ba21c4280061755ccf0f00815c936d1ac22daa023f7297d54fcc6e94b1d855aa3f383ec900f4427032092fca7dc40e9f49aa745e1

  • SSDEEP

    6144:1xlZam+akqx6YQJXcNlEHUIQeE3mmBWFv6A:Plf5j6zCNa0xeE3mV

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 61 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • UPX packed file 64 IoCs

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

  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ce90a7ccef295dffd02af7eac4ca4a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2ce90a7ccef295dffd02af7eac4ca4a7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Windows\SysWOW64\taztptnvua.exe
      taztptnvua.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Windows\SysWOW64\cypifjsm.exe
        C:\Windows\system32\cypifjsm.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1256
    • C:\Windows\SysWOW64\iflrksyhsfvoiwz.exe
      iflrksyhsfvoiwz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2120
    • C:\Windows\SysWOW64\cypifjsm.exe
      cypifjsm.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1980
    • C:\Windows\SysWOW64\zjgsubcgfjjho.exe
      zjgsubcgfjjho.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:844
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe

    Filesize

    255KB

    MD5

    e4b734c5a40ae2cd8c8630ca9dadd92f

    SHA1

    660012820c159d852da32a9f3388edd07e1e393d

    SHA256

    fcdcbe34339dae895248b69c95bafcded62cdd715d2fe25565e23b1ce8239bf0

    SHA512

    37a69a50e20cafe3bc0037e6639cda6ea174b474836254db5fdc4100a3c2c78bd11589cab48ada200e48215fe9b9f4159104120a07dd9d9412d73210aec491ed

  • C:\Users\Admin\AppData\Local\Temp\TCDDF2E.tmp\gb.xsl

    Filesize

    262KB

    MD5

    51d32ee5bc7ab811041f799652d26e04

    SHA1

    412193006aa3ef19e0a57e16acf86b830993024a

    SHA256

    6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

    SHA512

    5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

    Filesize

    368B

    MD5

    56bc8439f051c51ed1ae9e485e5c9d01

    SHA1

    4f40b26efc8adefacf57bdc5292e432889cb04df

    SHA256

    cae19bacd49c00844f07cc66d43391282b6dfd788a98b8de0e9ee22a335bac5f

    SHA512

    e334e06f49870a5fac76fde73c0b590eb90e7b346176f85cc1c84c99331f7d7caf83651ff43ba6330ddb10aaa7a70dc6cc8fb2b79f70e291eb9b44fe8c6d1884

  • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    1KB

    MD5

    efb99e20cf50b14dda763b8f24e75c25

    SHA1

    1a0cca41c17be7fc6365f8de44f10e4ac65d53ed

    SHA256

    4cb3e3fbc056308dd70036208999b868c302f61ccae542a5ad6e7573139482a3

    SHA512

    87b2609dac53be846b2ea1c955a1b61dd54fcf40e34bc69158510733c7df1a79719af9904e88faa818b2f459a00f04ae6a4a3117b4da38c25115d8620cbc234f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    2KB

    MD5

    da2846135566091daffbb52315745c4a

    SHA1

    c20bffe8b6ce944035e6e11960f8a1cbce48d22b

    SHA256

    a61e7944dbd2d70d3155a4ce2f48c4ff6d443aa115adf4ac9c0a85c759015d58

    SHA512

    e40c803dc6357f08e55468340e495028baffe2eb9217b8e49c0a93297845e4495d26058b94e0c2f0d8c3550ece115aa70425397502a8e958328f069182c6a23c

  • C:\Windows\SysWOW64\cypifjsm.exe

    Filesize

    255KB

    MD5

    ae40bce6bc93206769ff6b5708bfad98

    SHA1

    f497662b570194b53a4eeaa0ab78c9b4eae50223

    SHA256

    1c60ecc6c3a9fe7890e5c90003c04afcb43c058fced55d6e3dbca03881c7ca42

    SHA512

    dc569e098f75ab93586799e1dea2cc207c9eff41e9ed83727f3ac033cd4a3e32b6152abc2fafb28e077305264f9c031b0970efb6cc9e8350c99b4f533894f19b

  • C:\Windows\SysWOW64\iflrksyhsfvoiwz.exe

    Filesize

    255KB

    MD5

    1414fadac7244287165d128143737bfe

    SHA1

    bcde1557b1dafb215e87c96894e9e028aab87785

    SHA256

    861af623eed86fc185a1c3478d676a46cf08cab765f703d50588115aab82819c

    SHA512

    2b45df59ddad30bb5f8b7f72ffc8e8838f1753b645225053c05f45216a12b2c29e8f240b8a3aeb424f538feb33bb7b561000f2d2885877d3c906782b3b407c60

  • C:\Windows\SysWOW64\taztptnvua.exe

    Filesize

    255KB

    MD5

    ee7094ad438d3d58a34f7d7a64339ea7

    SHA1

    58f8adad495f7d10e9ed21858f0b5155e6b2016b

    SHA256

    ecfe77e10cd5ec8d806c936f54d53855ab6b2479951110aab219a9e732e3b263

    SHA512

    a71ede0fb8498e96bfba08fe1e633ba9e12412fdc70a778f0cef5ff00f03d747f5fa4cf64308ebe2c8c60c94d52a2d94ab7a8c2b64d8cdf147d0532166da0bc3

  • C:\Windows\SysWOW64\zjgsubcgfjjho.exe

    Filesize

    255KB

    MD5

    ec5f9ee34e8497ad94cef11d76c85077

    SHA1

    a5cc0bb4d07dd443a2066727e5d31cbc797cada4

    SHA256

    2dabc2239503c6c31848ba2eeb7378d689c1e98071782a58d045abba268ccf3f

    SHA512

    d4b67268a50f40b3554e1293baec38e554837ef8d99b0eeb6d3c0e64b2d54a96217602d70c015b534a099ea2d56596d3a78e8b02bc228d9ad7e8e6fc81551313

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    97c651770b8eeb9997bb3bbde1f030ab

    SHA1

    56aed07081a8198ab72f1e15f48251b2d9175240

    SHA256

    c9b738ddbbe438f9bb26cbed10d1ddbc583b889ef2f527a98fa88f6d46c8bcb4

    SHA512

    a3ece2448b728440b83d300d27cd666dd0301da951483c07bb6d7c70ae4bf3c627c43fe61905fae7801a791f188d98bea61aa993c986c1624bf1d169bd6faad0

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

    Filesize

    255KB

    MD5

    79c70c229e95174de53f34c8309a16fe

    SHA1

    a9f617b7bc101617a287806cb3f16d5f772a3ae5

    SHA256

    1b43bc0c3c60a1b523e64f8a7dc45d07521b6d7cbbc0b7f00e6e709673051dd8

    SHA512

    af608293dce685641ad10ac36de4eef097e42a065441ebfb3d69ef4a903dec3dc1dd09000405a9b711526050116d9e6415e697d0ce06aabf600de7a49439315c

  • memory/844-279-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-80-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-267-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-264-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-285-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-238-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-282-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-270-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-256-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-233-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-276-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-243-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-273-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-84-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/844-248-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1016-35-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1016-0-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-85-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-234-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-249-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-86-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-239-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-252-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1256-244-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1376-36-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1376-41-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

    Filesize

    64KB

  • memory/1376-40-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1376-39-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1376-42-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

    Filesize

    64KB

  • memory/1376-37-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1376-38-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1980-237-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-83-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-242-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-232-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-79-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-253-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-247-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1980-30-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-236-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-269-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-284-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-241-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-23-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-255-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-281-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-78-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-263-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-278-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-266-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-231-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-275-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-272-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-82-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2120-246-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-271-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-230-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-268-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-274-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-81-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-265-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-235-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-262-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-277-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-280-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-240-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-77-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-283-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-254-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/4684-245-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB