Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 03:04

General

  • Target

    76d238cdbbcdee7cab6108e0915606a5_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    76d238cdbbcdee7cab6108e0915606a5

  • SHA1

    20f058c120ac8e45e698eaae0e1ebc0f36d76787

  • SHA256

    02a94f66895e25e0e16774f2df7dbb783d23c439e59d9f15d23a09f6e7e75ec6

  • SHA512

    f8379b474ab7df3eca5ca2f1741da06eced86ef88f43b677bb1ae76f2e7115419eb482120faa1dbd7854342b93719b6e499b57e5127d107d0fbd7d83deb5e9aa

  • SSDEEP

    3072:vnOn7t7XpdpCCTg/sxFgJseq8KRrCMuxsfTpBIKNrUn3h3Bzb:vKpdcCrTv8KEuf/IKNryh3h

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76d238cdbbcdee7cab6108e0915606a5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\76d238cdbbcdee7cab6108e0915606a5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Users\Admin\AppData\Local\Temp\nshBE8F.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nshBE8F.tmp\downloadmr.exe /e2731353 /u4d488269-6268-4c29-b4c2-79305bc06ebe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:5008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nshBE8F.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nshBE8F.tmp\downloadmr.exe

    Filesize

    135KB

    MD5

    fb753ca8f8abe185c761c5a729552f05

    SHA1

    d87aeac1b5c45792997dd6da20687c2a60072665

    SHA256

    d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

    SHA512

    271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

  • memory/4620-35-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/5008-13-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

    Filesize

    4KB

  • memory/5008-14-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-15-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-26-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-27-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-28-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-29-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

  • memory/5008-31-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB