healer | c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989

General

Target

c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe
Size

374KB
MD5

bae93029666e75d82c495336d1e0edbe
SHA1

7774b5791492d43782624205a74652afba994f64
SHA256

c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989
SHA512

13c57e6dd754233ac856a1b3f5bb8a576b93f4ed71fd658586ffd8f723b0df8c7ee648106be01a1cfc7af5b24d93f47791cbb07f40c20f128e6af22267b92005
SSDEEP

6144:Key+bnr+fp0yN90QEg0Y7keJueRJsQz1nWXuhMU+lC15tCGeSaJ42XfmILe:WMrLy90uxEepzUXEtHaJRvmILe

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/0x000c000000023b56-5.dat	healer
behavioral1/memory/2344-8-0x0000000000860000-0x000000000086A000-memory.dmp	healer
behavioral1/memory/1092-18-0x0000000004810000-0x000000000482A000-memory.dmp	healer
behavioral1/memory/1092-20-0x00000000049B0000-0x00000000049C8000-memory.dmp	healer
behavioral1/memory/1092-46-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-48-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-44-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-42-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-40-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-38-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-36-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-34-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-32-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-30-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-28-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-26-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-24-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-22-0x00000000049B0000-0x00000000049C2000-memory.dmp	healer
behavioral1/memory/1092-21-0x00000000049B0000-0x00000000049C2000-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	b1050Lm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b1050Lm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	c95HJ27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	c95HJ27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	c95HJ27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	c95HJ27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	c95HJ27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b1050Lm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b1050Lm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b1050Lm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b1050Lm.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	c95HJ27.exe

Executes dropped EXE 2 IoCs

pid	Process
2344	b1050Lm.exe
1092	c95HJ27.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"	b1050Lm.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	c95HJ27.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	c95HJ27.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\\\""	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	1092	WerFault.exe	92

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	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c95HJ27.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2344	b1050Lm.exe
2344	b1050Lm.exe
1092	c95HJ27.exe
1092	c95HJ27.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	b1050Lm.exe
Token: SeDebugPrivilege	1092	c95HJ27.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 2344	464	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe	83
PID 464 wrote to memory of 2344	464	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe	83
PID 464 wrote to memory of 1092	464	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe	92
PID 464 wrote to memory of 1092	464	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe	92
PID 464 wrote to memory of 1092	464	c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe	92

C:\Users\Admin\AppData\Local\Temp\c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe
"C:\Users\Admin\AppData\Local\Temp\c5bd852f3a30b0ca042e2c2ff0a92f6e803aa0c80de8bb177af1f1ea80f0c989.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1050Lm.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b1050Lm.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2344
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c95HJ27.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c95HJ27.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:1092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 1076
    3⤵
    - Program crash
    PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1092 -ip 1092
1⤵
PID:4880

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\b1050Lm.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c95HJ27.exe

Filesize
388KB

MD5
9f4d1047cbe91990242c361c317bc654

SHA1
1f60e0c9d690cd7856eef59bfb0112127d0fe54e

SHA256
b87be396df959455f712d87714bc652ca4738a959b6852c99bf6f3e9685f1898

SHA512
4953fd213439f4a3654f6e660fafa303cab261b73d772d1f9027b67d6f44e77b9510801183ad501ad50ba795fd414cdad950518331f2a16dfa0de30d610489c7

Download Submit
memory/1092-38-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-26-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-54-0x0000000000400000-0x0000000002B27000-memory.dmp

Filesize
39.2MB

Download
memory/1092-15-0x0000000002C20000-0x0000000002D20000-memory.dmp

Filesize
1024KB

Download
memory/1092-16-0x0000000002B40000-0x0000000002B6D000-memory.dmp

Filesize
180KB

Download
memory/1092-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1092-18-0x0000000004810000-0x000000000482A000-memory.dmp

Filesize
104KB

Download
memory/1092-19-0x0000000007270000-0x0000000007814000-memory.dmp

Filesize
5.6MB

Download
memory/1092-20-0x00000000049B0000-0x00000000049C8000-memory.dmp

Filesize
96KB

Download
memory/1092-46-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-48-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-44-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-42-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-40-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1092-51-0x0000000000400000-0x0000000002B27000-memory.dmp

Filesize
39.2MB

Download
memory/1092-22-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-32-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-30-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-28-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-36-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-24-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-34-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-21-0x00000000049B0000-0x00000000049C2000-memory.dmp

Filesize
72KB

Download
memory/1092-49-0x0000000002C20000-0x0000000002D20000-memory.dmp

Filesize
1024KB

Download
memory/1092-50-0x0000000002B40000-0x0000000002B6D000-memory.dmp

Filesize
180KB

Download
memory/1092-52-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2344-7-0x00007FF9896A3000-0x00007FF9896A5000-memory.dmp

Filesize
8KB

Download
memory/2344-9-0x00007FF9896A3000-0x00007FF9896A5000-memory.dmp

Filesize
8KB

Download
memory/2344-8-0x0000000000860000-0x000000000086A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads