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Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 15:41

General

  • Target

    fd19924e413c2341dfdb86f0707426b4_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    fd19924e413c2341dfdb86f0707426b4

  • SHA1

    5602bfbf6f3da66b81d6069452c81ff61afe5295

  • SHA256

    ecf26d9168607c18021924a8190967eae9232ec1f17f614978cd283fae5e9bec

  • SHA512

    265ee11e5ff42333fec240cd92cf451ca87dd2558a6307f10b90cacdaaea3eb61a18e522bce784bd9a4492c4e5af7d04d7405fa7fcc33c7874bc0628be58c3e7

  • SSDEEP

    3072:/nOn7t7XpdpCCTg/sxFgJMeq8KRoCGmum8IN9PKBVfrJ:/KpdcCrTv8KXGhc9y7f9

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\fd19924e413c2341dfdb86f0707426b4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd19924e413c2341dfdb86f0707426b4_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\nsy16AE.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsy16AE.tmp\downloadmr.exe /e9984 /u4d488269-6268-4c29-b4c2-79305bc06ebe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2944

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\Tar1952.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\nsy16AE.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nsy16AE.tmp\downloadmr.exe

    Filesize

    135KB

    MD5

    fb753ca8f8abe185c761c5a729552f05

    SHA1

    d87aeac1b5c45792997dd6da20687c2a60072665

    SHA256

    d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

    SHA512

    271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

  • memory/1628-63-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1628-92-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1628-64-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

    Filesize

    52KB

  • memory/2944-24-0x0000000000B00000-0x0000000000B40000-memory.dmp

    Filesize

    256KB

  • memory/2944-23-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-82-0x0000000000B00000-0x0000000000B40000-memory.dmp

    Filesize

    256KB

  • memory/2944-81-0x0000000000B00000-0x0000000000B40000-memory.dmp

    Filesize

    256KB

  • memory/2944-83-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-84-0x0000000000B00000-0x0000000000B40000-memory.dmp

    Filesize

    256KB

  • memory/2944-85-0x00000000070B0000-0x00000000071B0000-memory.dmp

    Filesize

    1024KB

  • memory/2944-86-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-87-0x0000000000B00000-0x0000000000B40000-memory.dmp

    Filesize

    256KB

  • memory/2944-88-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-15-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB