Analysis

  • max time kernel
    111s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:04

General

  • Target

    eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe

  • Size

    84KB

  • MD5

    2d899134bdcf567b252077e9d9bd8800

  • SHA1

    03901902fc4b96173fd27687c29d241ca1cd5db4

  • SHA256

    eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330

  • SHA512

    473aee6f8f2999d889abd962085ee7388309831089eb7d843ecb5dc274c2b7e874ab2bbadf8510111df7941f415ac90af18a3027ab77e42323a4f14d01d94590

  • SSDEEP

    1536:bDcWLfIbgEp10gyXVdtnTHNWnnn622222e:bDXL0n0gyXVd1re2222e

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe
    "C:\Users\Admin\AppData\Local\Temp\eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\hauhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4352
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EB0EA6~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2092
  • C:\Windows\Debug\hauhost.exe
    C:\Windows\Debug\hauhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:5004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\hauhost.exe

    Filesize

    84KB

    MD5

    ff2aeeba6edea7c78e15d7305a493244

    SHA1

    27f469f95ef8398feaf90cf00ae509195fc53ea7

    SHA256

    a1b5b8c0be7505d3edfc1104acc6294fac7d633bbe339b8c0647736c15109389

    SHA512

    d67d84bb23c93bb9353033a16c10d791abbecf83316bec48f0e3ab371c21bedd6f46adc05458cf7174f5b191d1b17b6f723dbad162d1434cb2201f23e63dfc63

  • memory/2516-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/5004-5-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/5004-6-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB