healer | b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149ad

General

Target

b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Size

404KB
MD5

f58475f89839dd70f40fcd6e302d8490
SHA1

6419f47761a7dd297ce54283ee30b787f6ca96c9
SHA256

b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149ad
SHA512

6204db197a90c5612e880cde5ccc4a0429c4b797d6020f5d734f703fb5ec86064ddc92696038aebc8247903eb86720485ac22f5fae801a199af0a523181eaae4
SSDEEP

6144:Rn+4KrnYUfcUFGlQG9vdlK9xoHxYzcrVQnElGmv6aa3JDeURFwOIv:Rn0rYjUklt9vyjCxYTnp/RGBv

Score

10^/10

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral2/memory/4540-5-0x0000000002660000-0x000000000267A000-memory.dmp	healer
behavioral2/memory/4540-7-0x00000000029A0000-0x00000000029B8000-memory.dmp	healer
behavioral2/memory/4540-19-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-35-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-33-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-31-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-29-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-27-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-25-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-23-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-21-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-17-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-15-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-13-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-11-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-9-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral2/memory/4540-8-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4604	4540	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4540	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
4540	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe

C:\Users\Admin\AppData\Local\Temp\b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe
"C:\Users\Admin\AppData\Local\Temp\b8df41c5e66b77e553d3a634610a29d0c97e11c44dd078ffb0e5879ba8f149adN.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 952
  2⤵
  - Program crash
  PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4540 -ip 4540
1⤵
PID:2444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4540-1-0x0000000000B20000-0x0000000000C20000-memory.dmp

Filesize
1024KB

Download
memory/4540-2-0x00000000009A0000-0x00000000009CD000-memory.dmp

Filesize
180KB

Download
memory/4540-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4540-4-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/4540-5-0x0000000002660000-0x000000000267A000-memory.dmp

Filesize
104KB

Download
memory/4540-6-0x0000000005090000-0x0000000005634000-memory.dmp

Filesize
5.6MB

Download
memory/4540-7-0x00000000029A0000-0x00000000029B8000-memory.dmp

Filesize
96KB

Download
memory/4540-19-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-35-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-33-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-31-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-29-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-27-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-25-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-23-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-21-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-17-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-15-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-13-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-11-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-9-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-8-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4540-36-0x0000000000B20000-0x0000000000C20000-memory.dmp

Filesize
1024KB

Download
memory/4540-37-0x00000000009A0000-0x00000000009CD000-memory.dmp

Filesize
180KB

Download
memory/4540-38-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4540-41-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/4540-42-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads