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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    08/04/2024, 12:52

General

  • Target

    e7815031f9af0012bb54c7daffb30a43_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    e7815031f9af0012bb54c7daffb30a43

  • SHA1

    1a770c73b5d488cb60357763d28274520ec20e5b

  • SHA256

    43ddbd9c092f21effb7d4cbbf10200bbe86b966ea32637fd965c924dd7a8461b

  • SHA512

    15428a87118a7af099c4003d522838b086dbe2cfb991e7393b6042fcb31fed49fdd4f355df711cec05da04cf9877ae1372a0ffe8fc6b6516e29b13a049e8ee20

  • SSDEEP

    3072:XnOn7t7XpdpCCTg/sxFgJMeq8KQCnVbO4JDH19sZPLC1kxppyUprzFdE+5m0:XKpdcCrTv8K5VbRJDM0ix5JR2+n

Score
7/10

Malware Config

Signatures

  • 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).

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7815031f9af0012bb54c7daffb30a43_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e7815031f9af0012bb54c7daffb30a43_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\nsi39A8.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsi39A8.tmp\downloadmr.exe /e2271710 /u4dbeae05-eba0-4356-8e68-33c05bc06ebe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar4199.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\nsi39A8.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nsi39A8.tmp\downloadmr.exe

    Filesize

    135KB

    MD5

    fb753ca8f8abe185c761c5a729552f05

    SHA1

    d87aeac1b5c45792997dd6da20687c2a60072665

    SHA256

    d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

    SHA512

    271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

  • memory/1736-84-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

    Filesize

    52KB

  • memory/1736-83-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1736-91-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2368-17-0x0000000000C30000-0x0000000000C70000-memory.dmp

    Filesize

    256KB

  • memory/2368-16-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-82-0x0000000000C30000-0x0000000000C70000-memory.dmp

    Filesize

    256KB

  • memory/2368-15-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2368-85-0x0000000000C30000-0x0000000000C70000-memory.dmp

    Filesize

    256KB

  • memory/2368-86-0x0000000006640000-0x0000000006740000-memory.dmp

    Filesize

    1024KB

  • memory/2368-87-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB