healer | 4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21

General

Target

4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Size

277KB
MD5

468627d2b723827cfbfa06fbbdaa6480
SHA1

f07bb3bc30b491fd9073bf8c602cfcaf3e91ecac
SHA256

4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21
SHA512

074f73d8e7916401773f3384cd9a5ef3476c1e2e857e60b94692f052d6fb8a1b391d80f21b5e1bbb762b767dccdb740bda825d8aa0bc52cd92fee55fed85f614
SSDEEP

3072:xh+tAUHXSwntx7nmciFYMI8mU90fy2ME0n/gJCYbBUlvWN5/sBOwYPDpJKJRfyI:yxSeMFYtMz/ghU52sBXYPDWJ

Score

10^/10

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral2/memory/3736-4-0x0000000004A40000-0x0000000004A5A000-memory.dmp	healer
behavioral2/memory/3736-6-0x0000000004C10000-0x0000000004C28000-memory.dmp	healer
behavioral2/memory/3736-27-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-35-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-33-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-31-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-29-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-25-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-24-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-17-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-21-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-19-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-15-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-13-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-11-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-9-0x0000000004C10000-0x0000000004C22000-memory.dmp	healer
behavioral2/memory/3736-8-0x0000000004C10000-0x0000000004C22000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.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	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1376	3736	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	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3736	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
3736	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3736	4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe

C:\Users\Admin\AppData\Local\Temp\4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.exe
"C:\Users\Admin\AppData\Local\Temp\4fb6b3139ddd0bdfe6bac6f5647ffe27f4740cf74aeead87396e2a1574d83e21N.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:3736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 956
  2⤵
  - Program crash
  PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3736 -ip 3736
1⤵
PID:2344

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

Replay Monitor

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Downloads

memory/3736-1-0x0000000002C10000-0x0000000002D10000-memory.dmp

Filesize
1024KB

Download
memory/3736-2-0x00000000048F0000-0x000000000491D000-memory.dmp

Filesize
180KB

Download
memory/3736-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3736-4-0x0000000004A40000-0x0000000004A5A000-memory.dmp

Filesize
104KB

Download
memory/3736-5-0x0000000007480000-0x0000000007A24000-memory.dmp

Filesize
5.6MB

Download
memory/3736-6-0x0000000004C10000-0x0000000004C28000-memory.dmp

Filesize
96KB

Download
memory/3736-7-0x0000000000400000-0x0000000002B9F000-memory.dmp

Filesize
39.6MB

Download
memory/3736-27-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-35-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-33-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-31-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-29-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-25-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-24-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-17-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-21-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-19-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-15-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-13-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-11-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-9-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-8-0x0000000004C10000-0x0000000004C22000-memory.dmp

Filesize
72KB

Download
memory/3736-36-0x0000000002C10000-0x0000000002D10000-memory.dmp

Filesize
1024KB

Download
memory/3736-37-0x00000000048F0000-0x000000000491D000-memory.dmp

Filesize
180KB

Download
memory/3736-39-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3736-42-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3736-43-0x0000000000400000-0x0000000002B9F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads