healer | a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945

General

Target

a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe
Size

337KB
MD5

f35187af968ffec89b5f4400e74f5340
SHA1

47e8aeffd67288c43dce82cb77643d8aba0c58c7
SHA256

a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945
SHA512

d1a93d4d6db893218b62b52dd9cf2cc589a1eda628cb7719674c701778fef3c695896b3d13f96d412f8009ef055101fccf9dedecc0688cb51bc5b3b0ef5db627
SSDEEP

6144:KDy+bnr+Ip0yN90QEPw7mXtDJPsMfN8O38EQ+lfHeWPaQhqH4dCN:5MrEy90im9VP7f7LQbWPoCCN

Score

10^/10

healer discovery dropper evasion persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/memory/4284-12-0x00000000022A0000-0x00000000022BA000-memory.dmp	healer
behavioral1/memory/4284-14-0x00000000022F0000-0x0000000002308000-memory.dmp	healer
behavioral1/memory/4284-42-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-40-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-38-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-36-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-34-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-32-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-30-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-28-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-26-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-24-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-22-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-20-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-18-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-16-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/memory/4284-15-0x00000000022F0000-0x0000000002302000-memory.dmp	healer
behavioral1/files/0x0007000000023c97-51.dat	healer
behavioral1/memory/3556-54-0x00000000004B0000-0x00000000004BA000-memory.dmp	healer

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

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	mFe82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mFe82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mFe82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mFe82.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mFe82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mFe82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	aLS54Rf.exe

Executes dropped EXE 2 IoCs

pid	Process
4284	aLS54Rf.exe
3556	mFe82.exe

Windows security modification 2 TTPs 3 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	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	aLS54Rf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	mFe82.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1212	4284	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aLS54Rf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4284	aLS54Rf.exe
4284	aLS54Rf.exe
3556	mFe82.exe
3556	mFe82.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4284	aLS54Rf.exe
Token: SeDebugPrivilege	3556	mFe82.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4284	4316	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe	85
PID 4316 wrote to memory of 4284	4316	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe	85
PID 4316 wrote to memory of 4284	4316	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe	85
PID 4316 wrote to memory of 3556	4316	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe	97
PID 4316 wrote to memory of 3556	4316	a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe	97

C:\Users\Admin\AppData\Local\Temp\a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe
"C:\Users\Admin\AppData\Local\Temp\a1fd9e3d9eba1041360af1ac64770f903ae5563fc92ff06792709562e1298945N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\aLS54Rf.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\aLS54Rf.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 1096
    3⤵
    - Program crash
    PID:1212
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mFe82.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mFe82.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4284 -ip 4284
1⤵
PID:1532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\aLS54Rf.exe

Filesize
245KB

MD5
4275085c5df076e00d1166f836c0d0e4

SHA1
3b11d0894d7724c3a904a2ff2e8798ead8a2f533

SHA256
c81d41db8bee93cb3f77b562e81f54f0a9ae62455ef1419be02f36efc11aa031

SHA512
ab53f9c5ce1022600fd4ef73991b63eed77032f0f0bb5b868cb13c46ad2b4e9d2177f4a0c0eef3b74cb89d47741c109c86487e3c5192300963dbaf0049df2a3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mFe82.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/3556-54-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/3556-53-0x00007FFBA0393000-0x00007FFBA0395000-memory.dmp

Filesize
8KB

Download
memory/4284-30-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-24-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-13-0x0000000004DB0000-0x0000000005354000-memory.dmp

Filesize
5.6MB

Download
memory/4284-14-0x00000000022F0000-0x0000000002308000-memory.dmp

Filesize
96KB

Download
memory/4284-42-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-40-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-38-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-36-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-34-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-32-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-11-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/4284-28-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-26-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-12-0x00000000022A0000-0x00000000022BA000-memory.dmp

Filesize
104KB

Download
memory/4284-22-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-20-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-18-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-16-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-15-0x00000000022F0000-0x0000000002302000-memory.dmp

Filesize
72KB

Download
memory/4284-43-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/4284-44-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/4284-45-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4284-49-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4284-48-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/4284-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4284-9-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/4284-8-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads