Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 15:24

General

  • Target

    8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.exe

  • Size

    9.4MB

  • MD5

    8e894d99ad6d4bb1c36f47d6a740aec9

  • SHA1

    3ee3afdfc9f349785ae447265751affc7c92b819

  • SHA256

    ed4ccdec9be51c7d3193f74c1506164e963cecb72b1dab2bbd71c26db55475a4

  • SHA512

    7e8986970672af9a2e076475b262436bea1997e26735e2c090ac3b397e2d87e73a4238724c13498db9b1724b66168d40c6fb3fa8682697c1ce8ba19abb12ecaa

  • SSDEEP

    196608:nReAOSG7Zy2faIgvbtjB2B2SZdTRoo1+sbDJ29N4n6RTJE4byx63y:RMo2falvbtYB24dTuEdvkPK4byc3y

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Downloads MZ/PE file
  • Drops file in Program Files directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Users\Admin\AppData\Local\Temp\is-7SM0U.tmp\8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7SM0U.tmp\8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.tmp" /SL5="$400F4,9177237,721408,C:\Users\Admin\AppData\Local\Temp\8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.exe"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsd25939729238619\bootstrap_20962.html

          Filesize

          156B

          MD5

          1ea9e5b417811379e874ad4870d5c51a

          SHA1

          a4bd01f828454f3619a815dbe5423b181ec4051c

          SHA256

          f076773a6e3ae0f1cee3c69232779a1aaaf05202db472040c0c8ea4a70af173a

          SHA512

          965c10d2aa5312602153338da873e8866d2782e0cf633befe5a552b770e08abf47a4d2e007cdef7010c212ebcb9fefea5610c41c7ed1553440eaeab7ddd72daa

        • C:\Users\Admin\AppData\Local\Temp\nsd25939729238619\css\main.css

          Filesize

          6KB

          MD5

          9b27e2a266fe15a3aabfe635c29e8923

          SHA1

          403afe68c7ee99698c0e8873ce1cd424b503c4c8

          SHA256

          166aa42bc5216c5791388847ae114ec0671a0d97b9952d14f29419b8be3fb23f

          SHA512

          4b07c11db91ce5750d81959c7b2c278ed41bb64c1d1aa29da87344c5177b8eb82d7d710b426f401b069fd05062395655d985ca031489544cdf9b72fe533afa61

        • C:\Users\Admin\AppData\Local\Temp\nsd25939729238619\images\Loader.gif

          Filesize

          10KB

          MD5

          57ca1a2085d82f0574e3ef740b9a5ead

          SHA1

          2974f4bf37231205a256f2648189a461e74869c0

          SHA256

          476a7b1085cc64de1c0eb74a6776fa8385d57eb18774f199df83fc4d7bbcc24e

          SHA512

          2d50b9095d06ffd15eeeccf0eb438026ca8d09ba57141fed87a60edd2384e2139320fb5539144a2f16de885c49b0919a93690974f32b73654debca01d9d7d55c

        • \Users\Admin\AppData\Local\Temp\is-7SM0U.tmp\8e894d99ad6d4bb1c36f47d6a740aec9_JaffaCakes118.tmp

          Filesize

          2.4MB

          MD5

          54bad05ebd524e34598af9089dcf316f

          SHA1

          a370bd0394cce4f5d2ad149c59a0aeb2fdabae63

          SHA256

          01854585f6ba9aa13848fb9a855ebaa91fb16d964c5aa95e52743c58883e3e63

          SHA512

          186b12e6e3ee4a20b1c1fa2de9d26ebbd156e37ece24d1f3ee97d4274546cfc29681c70f6d8abcf1a4b332a7432ab9b89a7721deb247e01691a543570eb43cca

        • \Users\Admin\AppData\Local\Temp\is-HPFJN.tmp\ezdatzsazzxt.dll

          Filesize

          995KB

          MD5

          afa76a2892c84ccd3293abe93b9f0fe2

          SHA1

          65e8bb102ae4f4beab9ce3599d329dffadb3ac26

          SHA256

          2b664154bf818b1517e4359fbfbfa7851a3c912a21de0fd330bb395fb87d9533

          SHA512

          ba8e0a9f01c64b1cf0d5ee4f9d9610e543377ba94d3e7d3d7d4d469cef2abb131a4f500bc2ef503ea0c1ecd7ed76121e1a848c1cc04f063167ab73a3a2f71e3f

        • \Users\Admin\AppData\Local\Temp\is-HPFJN.tmp\itdownload.dll

          Filesize

          200KB

          MD5

          d82a429efd885ca0f324dd92afb6b7b8

          SHA1

          86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

          SHA256

          b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

          SHA512

          5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

        • memory/2728-2-0x0000000000401000-0x00000000004A9000-memory.dmp

          Filesize

          672KB

        • memory/2728-0-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/2728-309-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/2952-21-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-293-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-24-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-267-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-262-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-18-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-277-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-280-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-279-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-281-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-283-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-282-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-284-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-285-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-16-0x00000000042A0000-0x000000000439E000-memory.dmp

          Filesize

          1016KB

        • memory/2952-23-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-292-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-296-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-12-0x00000000024C0000-0x00000000024FC000-memory.dmp

          Filesize

          240KB

        • memory/2952-300-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-301-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-302-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-303-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-304-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-305-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-306-0x0000000004D90000-0x0000000004F9C000-memory.dmp

          Filesize

          2.0MB

        • memory/2952-9-0x0000000000400000-0x0000000000679000-memory.dmp

          Filesize

          2.5MB

        • memory/2952-312-0x00000000042A0000-0x000000000439E000-memory.dmp

          Filesize

          1016KB

        • memory/2952-311-0x00000000024C0000-0x00000000024FC000-memory.dmp

          Filesize

          240KB

        • memory/2952-310-0x0000000000400000-0x0000000000679000-memory.dmp

          Filesize

          2.5MB