healer | b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bd

General

Target

b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Size

360KB
MD5

6d9a9f94a521944dbaadd86f8986bf60
SHA1

476e2c5e3b5a5c41ca2f1f07b025813e9ec3e817
SHA256

b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bd
SHA512

12c51ca869017db68588a0b473b434b08fe9145379782edeecdd51c93fca283cae8bc6e9b3cb75f9b27a52ca644c1aaf89925c3b8353a8f58d4ec0f554fc9f3d
SSDEEP

6144:sTE19tF67l53WAB8I/o14y+PRgyRNy4p/8Emt:QE3tS9Bob+tI3N

Score

10^/10

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral2/memory/3672-5-0x0000000002490000-0x00000000024AA000-memory.dmp	healer
behavioral2/memory/3672-7-0x0000000002740000-0x0000000002758000-memory.dmp	healer
behavioral2/memory/3672-21-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-31-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-35-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-33-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-29-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-27-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-25-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-23-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-19-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-18-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-15-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-13-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-11-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-9-0x0000000002740000-0x0000000002752000-memory.dmp	healer
behavioral2/memory/3672-8-0x0000000002740000-0x0000000002752000-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"	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.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	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3660	3672	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	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3672	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
3672	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3672	b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe

C:\Users\Admin\AppData\Local\Temp\b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.exe
"C:\Users\Admin\AppData\Local\Temp\b1fa9ca13ac7308f7110dba6ad991a769ab99d32d3c12dac47f2f8d9f82911bdN.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:3672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 948
  2⤵
  - Program crash
  PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3672 -ip 3672
1⤵
PID:3568

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/3672-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/3672-2-0x0000000000860000-0x000000000088D000-memory.dmp

Filesize
180KB

Download
memory/3672-3-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3672-4-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/3672-5-0x0000000002490000-0x00000000024AA000-memory.dmp

Filesize
104KB

Download
memory/3672-6-0x0000000004EF0000-0x0000000005494000-memory.dmp

Filesize
5.6MB

Download
memory/3672-7-0x0000000002740000-0x0000000002758000-memory.dmp

Filesize
96KB

Download
memory/3672-21-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-31-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-35-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-33-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-29-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-27-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-25-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-23-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-19-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-18-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-15-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-13-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-11-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-9-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-8-0x0000000002740000-0x0000000002752000-memory.dmp

Filesize
72KB

Download
memory/3672-36-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/3672-37-0x0000000000860000-0x000000000088D000-memory.dmp

Filesize
180KB

Download
memory/3672-38-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3672-42-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3672-41-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads