Overview

overview

10

Static

static

10

4cef1677e5...f0.exe

windows7-x64

10

4cef1677e5...f0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 08:36

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General

  • Target

    4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0.exe

  • Size

    203KB

  • MD5

    07d9144c3b3cfe44c24f850a74faaacc

  • SHA1

    1df82c6dbe192d9f78e137bb96c499fd5f0c93a5

  • SHA256

    4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0

  • SHA512

    39120f944f46dfa34f0d4a2e59a9bdb74a76d9f69b55c054969a96666b0366651bcc2a0ab4a48f3243a2046e961f43fba5e13d5b04248eeae0f86b7428133584

  • SSDEEP

    6144:sLV6Bta6dtJmakIM51O3JM1fMKQqa7FPp0k4v:sLV6BtpmkBGpC78v

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Signatures

  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 31 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0.exe
    "C:\Users\Admin\AppData\Local\Temp\4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "LAN Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp54D7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:740
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "LAN Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5545.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4944

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp54D7.tmp
    Filesize

    1KB

    MD5

    9913e267519b245bd05576cd155e618b

    SHA1

    f9988cc21222e156d8df51cc1c67ff394e0baa9a

    SHA256

    db8d12fa91ed89d361af77401bd08785c5b7d538627fe2591c69ad675daee81d

    SHA512

    fec48c5fec8a03bc55ff319580a512fcbe476d309cfb4dc8563f3cf5266a68418b8a200a2e6f0fb1131c936f6a9d79cdb0ba72e6f225c36921c6188021acd882

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp5545.tmp
    Filesize

    1KB

    MD5

    d7e9b664af56ade4d18b0b895f9ae715

    SHA1

    f16f53d11622da2103a9005b5ff1ab9ca799982f

    SHA256

    60f5742e0f45b4e9a63aef570028deb0e82be84f51e1d280643961f05c516c33

    SHA512

    5caff8477b1ba3e3832fc5783dca09670e251ea3d3f9753bf8862776a8595697bf3870b47bc64de2d1f358205fb90288ca2871da5e81adad79766522616c3ec6

    Download Submit
  • memory/2724-0-0x0000000074C90000-0x0000000075241000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2724-1-0x0000000074C90000-0x0000000075241000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2724-2-0x0000000000CC0000-0x0000000000CD0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2724-10-0x0000000000CC0000-0x0000000000CD0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2724-11-0x0000000074C90000-0x0000000075241000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2724-12-0x0000000074C90000-0x0000000075241000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2724-13-0x0000000000CC0000-0x0000000000CD0000-memory.dmp
    Filesize

    64KB

    Download