Overview

overview

7

Static

static

3

b6c5b0664d...7a.exe

windows7-x64

7

b6c5b0664d...7a.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    111s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 05:12

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General

  • Target

    b6c5b0664ded18971cc6fd6dd47f166cfb33f80bee2f4012a3ee8773077e7f7a.exe

  • Size

    58KB

  • MD5

    7ecd85b616ebf5dcc18ada1d6a544fcf

  • SHA1

    141100ef65e4b76858d4855a588fb11159a53e84

  • SHA256

    b6c5b0664ded18971cc6fd6dd47f166cfb33f80bee2f4012a3ee8773077e7f7a

  • SHA512

    4e4492c694b092efb08ec381c70d394e3e1fd080b81bb5dfdd9ae50cdd742d69d125bf05e61060e9560dc9aa1a2eb3834326294fa6fea1739e0cc7e6d118b4e2

  • SSDEEP

    1536:hvQoLHjw2iWPKMvw71/RLyXwvvvZeee5LttttU:hv5Ls27BIJ/RLyXweeeRttttU

Score
7/10
defense_evasiondiscovery

Malware Config

Signatures

  • 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.

    defense_evasion
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6c5b0664ded18971cc6fd6dd47f166cfb33f80bee2f4012a3ee8773077e7f7a.exe
    "C:\Users\Admin\AppData\Local\Temp\b6c5b0664ded18971cc6fd6dd47f166cfb33f80bee2f4012a3ee8773077e7f7a.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:2164
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B6C5B0~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:116
  • C:\Windows\Debug\nkmhost.exe
    C:\Windows\Debug\nkmhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:3216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\nkmhost.exe
    Filesize

    58KB

    MD5

    df7874150eb9fe18b785430f0b4b9918

    SHA1

    3b5cf3103d5b371d5aa3a26ecb3c1f1dafb9430d

    SHA256

    3ff71d3ceefe3f4be5d8113f0701aa246a523212f231db204d60c6a569c623ec

    SHA512

    1218013d16daa88e71cacc6f5c28da2af58a289e6e71c4333f20136da50d5453a697848e2c3dd5beb704c43c30e47b7f115af3a33492ee084c5d8c4983266fc9

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