Overview

overview

10

Static

static

88f9165538...ef.exe

windows7-x64

10

88f9165538...ef.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    190s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 13:44

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General

  • Target

    88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef.exe

  • Size

    372KB

  • MD5

    e0a53248959cc237d502045760eab3da

  • SHA1

    f2747b669016607a3b44bb15be395b4d06afca31

  • SHA256

    88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef

  • SHA512

    ccc48f7c9618939dbf176869bd73798e6ea967a7c12af6750d159dc89dca17714d48e59a0eb2b2bd412eea112f486acb66fea944f98c2fa87ebb9c341cd77a6c

  • SSDEEP

    6144:ciJB3eMyCkgJeNXXr5k5MhPHq+pzQAABAh6Sn0/8163IG3vnpvSd8tnmTx+:hnOMyCqXre5i6AA+c81X8U8tn

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef.exe
    "C:\Users\Admin\AppData\Local\Temp\88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef.exe
      "C:\Users\Admin\AppData\Local\Temp\88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2560
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4708
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 1020
          4⤵
            PID:4356

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    3
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
      Filesize

      372KB

      MD5

      e0a53248959cc237d502045760eab3da

      SHA1

      f2747b669016607a3b44bb15be395b4d06afca31

      SHA256

      88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef

      SHA512

      ccc48f7c9618939dbf176869bd73798e6ea967a7c12af6750d159dc89dca17714d48e59a0eb2b2bd412eea112f486acb66fea944f98c2fa87ebb9c341cd77a6c

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
      Filesize

      372KB

      MD5

      e0a53248959cc237d502045760eab3da

      SHA1

      f2747b669016607a3b44bb15be395b4d06afca31

      SHA256

      88f91655388ba7e3f8c3ba4df516adecf49ed1462233ba84b4bf5a2361d784ef

      SHA512

      ccc48f7c9618939dbf176869bd73798e6ea967a7c12af6750d159dc89dca17714d48e59a0eb2b2bd412eea112f486acb66fea944f98c2fa87ebb9c341cd77a6c

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
      Filesize

      13KB

      MD5

      87c7263aa4cb3444ef282661c4587035

      SHA1

      5e879db395d5ec83d7477c04fbb2fa63c6b0a6d9

      SHA256

      e84385b30e77b96b9461e34993a399cdcefbdea475a1ef3eb974d0744a42b46c

      SHA512

      1bbd4d4caad626282802e22a51211f0eb6afb08406eb8ac7868b0c06496d661c2c6ef67a506bf25f2a8296bbce82825fe00d67eda0b3caa40c9f30b4008f3426

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
      Filesize

      13KB

      MD5

      87c7263aa4cb3444ef282661c4587035

      SHA1

      5e879db395d5ec83d7477c04fbb2fa63c6b0a6d9

      SHA256

      e84385b30e77b96b9461e34993a399cdcefbdea475a1ef3eb974d0744a42b46c

      SHA512

      1bbd4d4caad626282802e22a51211f0eb6afb08406eb8ac7868b0c06496d661c2c6ef67a506bf25f2a8296bbce82825fe00d67eda0b3caa40c9f30b4008f3426

      Download Submit
    • memory/632-132-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/632-133-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2560-135-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

      Download
    • memory/2560-137-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2560-134-0x0000000000000000-mapping.dmp
      Download
    • memory/2560-136-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4040-138-0x0000000000000000-mapping.dmp
      Download
    • memory/4040-142-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4040-141-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4356-147-0x0000000000000000-mapping.dmp
      Download
    • memory/4708-143-0x0000000000000000-mapping.dmp
      Download
    • memory/4708-146-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4708-148-0x0000000074A00000-0x0000000074FB1000-memory.dmp
      Filesize

      5.7MB

      Download