Overview

overview

10

Static

static

7

fb19f9f090...18.exe

windows7-x64

fb19f9f090...18.exe

windows10-2004-x64

Analysis

  • max time kernel
    8s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 20:25

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Errors

Reason
Machine shutdown: "{\"level\":\"info\",\"time\":\"2024-04-19T20:25:27Z\",\"message\":\"Dirty snapshot: /var/lib/sandbox/hatchvm/win7-20231129-en/instance_12-dirty.qcow2\"}"
Report Analysis Logs

General

  • Target

    fb19f9f090b7b6d0097a7746a50af60f_JaffaCakes118.exe

  • Size

    684KB

  • MD5

    fb19f9f090b7b6d0097a7746a50af60f

  • SHA1

    41bc3d1883d5eb36d168efd5072065b5a04766b5

  • SHA256

    54b5e1f9eb9a5fe7e98a0a1b61a3593bba381ec39069a727d95561e28352c675

  • SHA512

    9e32d642504d26cd397c1f2075c3a717f27d9429981819efee86ed480c25853f4f73abfddeae12202277621362346ba1b7017a8243ec583929312e5aecd7fa97

  • SSDEEP

    12288:gqjENgTj2zya6WUAz0mjvFsMftaHegK4Qfqs19ZR+lU+HR3:gRLUs0m7OMFfcQJ+lvx

Score
10/10
persistenceupx

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).

  • Suspicious behavior: EnumeratesProcesses 57 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\fb19f9f090b7b6d0097a7746a50af60f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb19f9f090b7b6d0097a7746a50af60f_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2988
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2696
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2196

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Winlogon Helper DLL

      1
      T1547.004

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Winlogon Helper DLL

      1
      T1547.004

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Resource Development

      Reconnaissance

      Replay Monitor

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      Downloads

      • memory/2196-6-0x0000000002AB0000-0x0000000002AB1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2696-5-0x0000000002E10000-0x0000000002E11000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2988-0-0x0000000000400000-0x000000000059F000-memory.dmp
        Filesize

        1.6MB

        Download
      • memory/2988-1-0x00000000003C0000-0x00000000003C1000-memory.dmp
        Filesize

        4KB

        Download
      • memory/2988-4-0x0000000000400000-0x000000000059F000-memory.dmp
        Filesize

        1.6MB

        Download