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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 10:30

General

  • Target

    85b8d11ab7572174ff25f5b55f889917_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    85b8d11ab7572174ff25f5b55f889917

  • SHA1

    bc6a8d3a63a1e2e2ff5260b2d6e21983d2b62e4f

  • SHA256

    ded097916ca838a7d9f1d15e512cbc54bdda3a4d92bd1642a93574a079a9bb53

  • SHA512

    f61670202b12b6dcf357f2bff8418e1ed095ab33f6c623f52a201c13f041229d01c23882d436434c04a3374454f2ac1bb9d62e58555d740f36111e516ec7e34e

  • SSDEEP

    3072:HnOn7t7XpdpCCTg/sxFgJMeq8K8CynRf1gZ4cE38fZKTbtcZte:HKpdcCrTv8KVCtvswTbtca

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\85b8d11ab7572174ff25f5b55f889917_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\85b8d11ab7572174ff25f5b55f889917_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\downloadmr.exe /e2631353 /u4f2b9a7a-4984-4696-9db8-240f5bc06f2f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\downloadmr.exe

    Filesize

    135KB

    MD5

    fb753ca8f8abe185c761c5a729552f05

    SHA1

    d87aeac1b5c45792997dd6da20687c2a60072665

    SHA256

    d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

    SHA512

    271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

  • memory/980-13-0x00000000745F2000-0x00000000745F3000-memory.dmp

    Filesize

    4KB

  • memory/980-14-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-15-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-26-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-27-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-28-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-29-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-30-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/980-32-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/4616-36-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB