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Analysis

  • max time kernel
    141s
  • 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
    08/08/2024, 21:34

General

  • Target

    56b002d97cb785113a56650fb17153278e6e76da8963f8e80846a25c81903100.exe

  • Size

    167KB

  • MD5

    6cbc0f821f1c91c807a8408ad2651fea

  • SHA1

    5d5206e909483635cbf02c08c48952027b231b1c

  • SHA256

    56b002d97cb785113a56650fb17153278e6e76da8963f8e80846a25c81903100

  • SHA512

    aa0f003a58ec2cafba35bf2eb98019af9aaaaa12d056dde6f0e1f8c697187087d87d014116e760e84180ece093d9d2fc724e20af85724e267cd4ed39b3038510

  • SSDEEP

    1536:i2WDcOpULCH0a+TNXyyXetH28JZveKivnmOOOU:zWDuLzZXyyXeECveDnmOOOU

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
  • UPX packed file 4 IoCs

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

  • 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\56b002d97cb785113a56650fb17153278e6e76da8963f8e80846a25c81903100.exe
    "C:\Users\Admin\AppData\Local\Temp\56b002d97cb785113a56650fb17153278e6e76da8963f8e80846a25c81903100.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:4440
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\xsqhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:1408
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\56B002~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4968
  • C:\Windows\Debug\xsqhost.exe
    C:\Windows\Debug\xsqhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:3312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\xsqhost.exe

    Filesize

    167KB

    MD5

    6deb3a43474664f030fe05e415579071

    SHA1

    0733e019fe9dbbffb278d2b0cc462a068a3af3ed

    SHA256

    589063aedc5d86e25a1e31de40ba28c1698c81fd56f24e17cf349e84b7d3ce16

    SHA512

    b9c51ab6aada37d8eb427021c16ca6bbe123f7333c4099ef17d6407a156cf0c3f17303e5b0cd58bbd1cfc47cab57bdf908d0dd8b1ee513b6c20d8ceaecd83c7d

  • memory/3312-6-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/4440-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/4440-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB