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Overview

overview

10

Static

static

7

77cd862342...18.exe

windows7-x64

77cd862342...18.exe

windows10-2004-x64

Analysis

  • max time kernel
    8s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2024, 10:12

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    77cd862342db4417463afe922630347d_JaffaCakes118.exe

  • Size

    554KB

  • MD5

    77cd862342db4417463afe922630347d

  • SHA1

    f2ea2ac9da998ed66d063d3d6973046cc1734c69

  • SHA256

    2dd13b8db52ef55d1463332b4752831fd96ec571240f7401659ce76fe9c4811f

  • SHA512

    d57931e8262a765e9928f69a1ee0402021c8553c03573d6023641d39fa99af40514ead4a3e7b2e18c08ef043641020b5f9709d19539ed0e7d536edb6c8bc737c

  • SSDEEP

    12288:/f9NGa0exJhaFoY2RXQld/UZTkmL+YL1tjqMjHKfPcQjRaR:9IKxJha2hXg/U1kmi41JqAuN

Score
10/10
discoverypersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77cd862342db4417463afe922630347d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\77cd862342db4417463afe922630347d_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2052
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2968
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2812

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/2052-0-0x0000000000400000-0x00000000005EE000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/2052-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2052-6-0x0000000000400000-0x00000000005EE000-memory.dmp

        Filesize

        1.9MB

        Download

      • memory/2812-7-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2968-4-0x0000000002D90000-0x0000000002D91000-memory.dmp

        Filesize

        4KB

        Download