Analysis

  • max time kernel
    144s
  • max time network
    50s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:51

General

  • Target
    a7a01d4e315bfc29e1508b7b4f27e908_JaffaCakes118.exe
  • Size 843KB
  • Sample240614-b9762avbpp
  • SHA256 e09d287da02d0f416cd389cd7ae620c9497b396fd5eb9b0340f2a8d13bf0379f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 24 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 24 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7a01d4e315bfc29e1508b7b4f27e908_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a7a01d4e315bfc29e1508b7b4f27e908_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im BrowserProtectIU.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im myproxy.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4660
  • C:\Program Files (x86)\BrowserProtect\srvBrowserProtect.exe
    "C:\Program Files (x86)\BrowserProtect\srvBrowserProtect.exe"
    1⤵
    • Executes dropped EXE
    • Modifies data under HKEY_USERS
    PID:2128

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        BrowserProtectIU.exe.config.old

        • Path C:\Program Files (x86)\BrowserProtect\BrowserProtectIU.exe.config.old
        • Size 2KB
        • SHA256 ef3b901a33306fb93a00fcaa23765d614dcb918be12394f7fec9b33dff1bae30
        • MD5 SHA1 SHA512

        config.xml

        • Path C:\Program Files (x86)\BrowserProtect\config.xml
        • Size 1KB
        • SHA256 cd9fa471584f8fa125f0653284c60797c4702c0200354da3e672b84c97799f92
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 43749ad8c1027dca29d35b86784a4540472aef6e1f93f6a696e72f7d05bcaec5
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 725535144b0c008821124951da12d08091804f4377357dd9e48589637cb31a09
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 4eae8080d035d9e9019eb4760cfcc04630de179402c47f614589de89849c0a87
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 98d2f942227081ba47c35a38aab43dd682c137759a13b104f4c51df4c2f8e227
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 e018d22a0c8994d465195e9ea2ce5cc1f684357d3093b0963733dd8b802f4a69
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 1f0ac3cd56a4cd44801574ce72e0166bc1044017aca8bb356a61b7a8bb444e13
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 498a52e7d7b1134f82fb1d3c37c0275b57f53275356876fb42d04d65dd139d49
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 85b817aff7b92ff271fd296c10d20918254c65473f614a510d2c9e4647f44721
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 f2d03cee38d4ad5d2436b31067bd0ba97cc6d1cb724003ac56961407ac3cd5c4
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 26548923eea5d8e8c1a5d0a996ff7a7d1c13e265b3a71166e44199fe856514ac
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 1f04d3b317ede2921846d43f7deccf47dff73d7edb9a4fd4bd2522e8bd7b3943
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 026620d5facbb5a73d870fc026def74935e2bf28d10ba6de8bc001f767c5277c
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 28005d2bd44272a34e00e6d160bbbfcec8db734c6c1961b10be7e1d41340da15
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 b57b19661128e85b3c270b285d4e7ee1545f01068422ed83cda7924299954bfa
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 79845f718453c8eaec435cb71bafb0935fd7d9b0b1f5dbc0f4c37b348188bc5a
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 298ba8f979d18b504698cfcef4e0ab961a441f270838c101e9663dc44624c8d8
        • MD5 SHA1 SHA512

        config.xml.old

        • Path C:\Program Files (x86)\BrowserProtect\config.xml.old
        • Size 1KB
        • SHA256 64f9a1859341d2040e0010ab8c54769f0b1958a6455a697fe2e2273d6ed0d0ad
        • MD5 SHA1 SHA512

        config.old

        • Path C:\Program Files (x86)\BrowserProtect\proxy\config.old
        • Size 148B
        • SHA256 e8a722c9389588456dbadc4d58c86372e2338dd15a1345e2ed1c5a6b5f7eb8b5
        • MD5 SHA1 SHA512

        config.old

        • Path C:\Program Files (x86)\BrowserProtect\proxy\config.old
        • Size 137B
        • SHA256 3d716282c3c4ceee1cb7eae5c4ea69478b8cbb17bd7dcde59c70be07619e310d
        • MD5 SHA1 SHA512

        srvBrowserProtect.exe

        • Path C:\Program Files (x86)\BrowserProtect\srvBrowserProtect.exe
        • Size 131KB
        • SHA256 68c47ffe774c98edd923c93e722f3d5b68476256d01402600797f350b533ecb4
        • MD5 SHA1 SHA512 SSDEEP

        SimpleSC.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu468F.tmp\SimpleSC.dll
        • Size 61KB
        • SHA256 e0c580bbe48a483075c21277c6e0f23f3cbd6ce3eb2ccd3bf48cf68f05628f43
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu468F.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        nsBR.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu468F.tmp\nsBR.dll
        • Size 202KB
        • SHA256 99378990a56718900816dcaf66c377e89216e8165cafafc0593b24b5262de5e6
        • MD5 SHA1 SHA512 SSDEEP

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu468F.tmp\nsExec.dll
        • Size 6KB
        • SHA256 168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
        • MD5 SHA1 SHA512 SSDEEP

        tkDecript.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu468F.tmp\tkDecript.dll
        • Size 222KB
        • SHA256 0ae09d65f5284409e6d9a2d40d7aaa8cbf1dd1815e67a9c12a9557f5de1f7832
        • MD5 SHA1 SHA512 SSDEEP

        memory/392-5-0x0000000002260000-0x0000000002273000-memory.dmp

        memory/2128-280-0x0000000000C10000-0x0000000000C30000-memory.dmp

        memory/2128-281-0x00007FF841480000-0x00007FF841E21000-memory.dmp

        memory/2128-282-0x00007FF841480000-0x00007FF841E21000-memory.dmp

        memory/2128-283-0x000000001A210000-0x000000001A2B6000-memory.dmp

        memory/2128-285-0x00007FF841480000-0x00007FF841E21000-memory.dmp

        memory/2128-279-0x00007FF841735000-0x00007FF841736000-memory.dmp

        memory/2128-297-0x00007FF841480000-0x00007FF841E21000-memory.dmp

        memory/2128-298-0x00007FF841735000-0x00007FF841736000-memory.dmp

        memory/2128-299-0x00007FF841480000-0x00007FF841E21000-memory.dmp