healer | 66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac

General

Target

66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe
Size

338KB
MD5

491342491181a62ad4aef8c0c4f900b6
SHA1

b3219fa9fc5d71f32b074ece8f799be11e8c8d54
SHA256

66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac
SHA512

a1b6afad6604b46739227bcd112eac666b534bd26a521fd225688c15206b5e2d7b83dcfffdbdfd786b8a31ab1e9f2dce68aa65006066bfac09c23a3d81a5cf5d
SSDEEP

6144:Kzy+bnr++p0yN90QEt5pR3JNqXpmESRHQPgxS3AIgRfq8scWWbe9pDi:BMrOy90f5jsmtRwPgxS3lgRmx9i

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/3704-12-0x0000000002220000-0x000000000223A000-memory.dmp	healer
behavioral1/memory/3704-14-0x0000000004C40000-0x0000000004C58000-memory.dmp	healer
behavioral1/memory/3704-15-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-24-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-42-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-41-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-38-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-36-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-34-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-32-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-30-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-28-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-26-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-22-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-20-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-18-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/3704-16-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/files/0x0007000000023ca9-51.dat	healer
behavioral1/memory/2676-54-0x00000000008E0000-0x00000000008EA000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mPz56.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mPz56.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mPz56.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mPz56.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	azM56wZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	mPz56.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mPz56.exe

Executes dropped EXE 2 IoCs

pid	Process
3704	azM56wZ.exe
2676	mPz56.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	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	azM56wZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	mPz56.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\\\""	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4636	3704	WerFault.exe	82

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	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	azM56wZ.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3704	azM56wZ.exe
3704	azM56wZ.exe
2676	mPz56.exe
2676	mPz56.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3704	azM56wZ.exe
Token: SeDebugPrivilege	2676	mPz56.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 3704	2352	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe	82
PID 2352 wrote to memory of 3704	2352	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe	82
PID 2352 wrote to memory of 3704	2352	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe	82
PID 2352 wrote to memory of 2676	2352	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe	94
PID 2352 wrote to memory of 2676	2352	66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe	94

C:\Users\Admin\AppData\Local\Temp\66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe
"C:\Users\Admin\AppData\Local\Temp\66c7d1f2994cff9885d87349f6183439fdf0e40f1a67524ab54c4680d3ba4bac.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\azM56wZ.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\azM56wZ.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:3704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 1080
    3⤵
    - Program crash
    PID:4636
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mPz56.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mPz56.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3704 -ip 3704
1⤵
PID:2564

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\azM56wZ.exe

Filesize
245KB

MD5
e2189e765f7cc9ae246caa0dab4a06b3

SHA1
ea422de66d2a26a6c83920092849749ebca906da

SHA256
0ac2c4f1f177aacbbb8119019b71bcfc8762355269316735c49f97630e0f6acc

SHA512
7be421939151563a6e4e823120feb218345f22f0edad23d4ca7df0281e001e747417949869edf84678926a14be8c82a70716ed4776335c9075b82b043d6debf3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mPz56.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/2676-55-0x00007FFD34853000-0x00007FFD34855000-memory.dmp

Filesize
8KB

Download
memory/2676-54-0x00000000008E0000-0x00000000008EA000-memory.dmp

Filesize
40KB

Download
memory/2676-53-0x00007FFD34853000-0x00007FFD34855000-memory.dmp

Filesize
8KB

Download
memory/3704-30-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-26-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-14-0x0000000004C40000-0x0000000004C58000-memory.dmp

Filesize
96KB

Download
memory/3704-15-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-24-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-41-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-38-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-34-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-12-0x0000000002220000-0x000000000223A000-memory.dmp

Filesize
104KB

Download
memory/3704-28-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-13-0x0000000004DD0000-0x0000000005374000-memory.dmp

Filesize
5.6MB

Download
memory/3704-22-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-20-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-18-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-16-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/3704-43-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/3704-44-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/3704-45-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3704-48-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/3704-49-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3704-11-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/3704-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3704-9-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/3704-8-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads