healer | 4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7

General

Target

4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe
Size

314KB
MD5

ef1ba4797f83ef70070b527c9db7b940
SHA1

02d7d6f02c57e8a637e3967cb25d27df52d4fbb5
SHA256

4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7
SHA512

b880fb91d69d36bb505b61bc55db7e548b7cba718b8867a3a1615bd11eaec3c305ba229c286e9070355833e249e14b85c54cad50964294aad1fc4a16f29ccf33
SSDEEP

6144:KFy+bnr+tp0yN90QECMZBcv4yQyzjr+ivkwaLPX3V6Lp3Z9JeD:fMr1y90sMZBcAFyn4Dcr2D

Score

10^/10

healer discovery dropper evasion persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023c8c-5.dat	healer
behavioral1/memory/1348-8-0x00000000001B0000-0x00000000001BA000-memory.dmp	healer
behavioral1/memory/656-17-0x0000000001FE0000-0x0000000001FFA000-memory.dmp	healer
behavioral1/memory/656-19-0x00000000023D0000-0x00000000023E8000-memory.dmp	healer
behavioral1/memory/656-20-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-27-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-47-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-45-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-43-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-41-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-39-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-37-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-36-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-33-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-31-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-29-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-25-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-23-0x00000000023D0000-0x00000000023E2000-memory.dmp	healer
behavioral1/memory/656-21-0x00000000023D0000-0x00000000023E2000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	f0103vj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	h28If54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	h28If54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	h28If54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	h28If54.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	h28If54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	h28If54.exe

Executes dropped EXE 2 IoCs

pid	Process
1348	f0103vj.exe
656	h28If54.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	f0103vj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	h28If54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	h28If54.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\\\""	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	656	WerFault.exe	97

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	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	h28If54.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1348	f0103vj.exe
1348	f0103vj.exe
656	h28If54.exe
656	h28If54.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	f0103vj.exe
Token: SeDebugPrivilege	656	h28If54.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1348	2616	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe	83
PID 2616 wrote to memory of 1348	2616	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe	83
PID 2616 wrote to memory of 656	2616	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe	97
PID 2616 wrote to memory of 656	2616	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe	97
PID 2616 wrote to memory of 656	2616	4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe	97

C:\Users\Admin\AppData\Local\Temp\4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe
"C:\Users\Admin\AppData\Local\Temp\4f0a93d8199faf503364676c0970ab316b00f0bac7c0849f59ca7355d5829cd7N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f0103vj.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\f0103vj.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28If54.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28If54.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:656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 1096
    3⤵
    - Program crash
    PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 656 -ip 656
1⤵
PID:3268

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\f0103vj.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h28If54.exe

Filesize
229KB

MD5
8f9b30b1cc06325fda1f5ebd63ce07e2

SHA1
38304fcfd4e42b748793723ca197b4fa427a6c32

SHA256
d897a29b08249f62e57b9344fb1e8ac69471dae900d63b9580d0a9d397bab017

SHA512
f720a135342e63a3604687f163c5ba82af324dcdf69f96935bbe270f865898a5e8e9df20cb2932f8a671c5d82441bbd36fa917e79ca1e3d199582e41dd583af8

Download Submit
memory/656-43-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-29-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-14-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/656-15-0x00000000004C0000-0x00000000004ED000-memory.dmp

Filesize
180KB

Download
memory/656-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/656-17-0x0000000001FE0000-0x0000000001FFA000-memory.dmp

Filesize
104KB

Download
memory/656-18-0x0000000004B70000-0x0000000005114000-memory.dmp

Filesize
5.6MB

Download
memory/656-19-0x00000000023D0000-0x00000000023E8000-memory.dmp

Filesize
96KB

Download
memory/656-20-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-27-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-47-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-45-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-54-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/656-41-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-53-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/656-36-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-39-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-33-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-31-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-37-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-25-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-23-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-21-0x00000000023D0000-0x00000000023E2000-memory.dmp

Filesize
72KB

Download
memory/656-48-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/656-49-0x00000000004C0000-0x00000000004ED000-memory.dmp

Filesize
180KB

Download
memory/656-50-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/656-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1348-8-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/1348-7-0x00007FFE6D143000-0x00007FFE6D145000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads