healer | 71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880de

General

Target

71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe
Size

387KB
MD5

e298783ce9712186f1c1c24e3d146690
SHA1

bc09e51310f9fdf36d86e1658ab59fc0f03160cc
SHA256

71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880de
SHA512

4f50024bad3c80b020e4501ac6286da26025ba338a5f5daa2270082aa285b3d9aafa10bf1ac6710d20e88690c936237dd96f2ed62eb910653b88fabc3dd52001
SSDEEP

6144:r0p0yN90QEInfqNwzzp+WSFCAgBVGlHCb2nfaJLtviqQFl:5y90kCGPpMFsqiinC0qal

Score

10^/10

healer discovery dropper evasion persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az038758.exe	healer
behavioral1/memory/1412-8-0x0000000000150000-0x000000000015A000-memory.dmp	healer
behavioral1/memory/1052-18-0x00000000026D0000-0x00000000026EA000-memory.dmp	healer
behavioral1/memory/1052-20-0x00000000028B0000-0x00000000028C8000-memory.dmp	healer
behavioral1/memory/1052-21-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-28-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-48-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-46-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-44-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-43-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-40-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-38-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-36-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-34-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-32-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-30-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-26-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-24-0x00000000028B0000-0x00000000028C2000-memory.dmp	healer
behavioral1/memory/1052-22-0x00000000028B0000-0x00000000028C2000-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

Processes:

bu505334.exeaz038758.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bu505334.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bu505334.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bu505334.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	az038758.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	az038758.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	az038758.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	az038758.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bu505334.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	az038758.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	az038758.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bu505334.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bu505334.exe

Executes dropped EXE 2 IoCs

Processes:

az038758.exebu505334.exe

pid process

1412 az038758.exe
1052 bu505334.exe

pid	process
1412	az038758.exe
1052	bu505334.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

az038758.exebu505334.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	az038758.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	bu505334.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bu505334.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe

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\\\""	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

64 1052 WerFault.exe bu505334.exe

pid	pid_target	process	target process
64	1052	WerFault.exe	bu505334.exe

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

Processes:

71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exebu505334.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bu505334.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

az038758.exebu505334.exe

pid process

1412 az038758.exe
1412 az038758.exe
1052 bu505334.exe
1052 bu505334.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

az038758.exebu505334.exe

description pid process

Token: SeDebugPrivilege 1412 az038758.exe
Token: SeDebugPrivilege 1052 bu505334.exe

pid	process
1412	az038758.exe
1412	az038758.exe
1052	bu505334.exe
1052	bu505334.exe

description	pid	process
Token: SeDebugPrivilege	1412	az038758.exe
Token: SeDebugPrivilege	1052	bu505334.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe

description	pid	process	target process
PID 4908 wrote to memory of 1412	4908	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe	az038758.exe
PID 4908 wrote to memory of 1412	4908	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe	az038758.exe
PID 4908 wrote to memory of 1052	4908	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe	bu505334.exe
PID 4908 wrote to memory of 1052	4908	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe	bu505334.exe
PID 4908 wrote to memory of 1052	4908	71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe	bu505334.exe

C:\Users\Admin\AppData\Local\Temp\71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe
"C:\Users\Admin\AppData\Local\Temp\71399c48551826b41d42768a129ca453b268706b13fc1340c660520974a880deN.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az038758.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az038758.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1412
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu505334.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu505334.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:1052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 1096
    3⤵
    - Program crash
    PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1052 -ip 1052
1⤵
PID:1716

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\az038758.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu505334.exe

Filesize
403KB

MD5
1fede08e7719b67229a397f15f7732c0

SHA1
5564bd21c4939dd446ab9f44e4984c43dd3ae7fe

SHA256
35a09fcd594d52fd074503089b10cee0e46f8e61b5692132909a50e58decc1e4

SHA512
1f285fb9f3e44e7c44bfffd46358d74389155f6de77aced007d107ac7809ddcf70cca0606371dfcbe5305e0ea10a3c5f129f0ddeb64c647f61b97831b80aae4d

Download Submit
memory/1052-46-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1052-43-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-15-0x0000000000910000-0x0000000000A10000-memory.dmp

Filesize
1024KB

Download
memory/1052-40-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-17-0x0000000000400000-0x0000000000809000-memory.dmp

Filesize
4.0MB

Download
memory/1052-18-0x00000000026D0000-0x00000000026EA000-memory.dmp

Filesize
104KB

Download
memory/1052-19-0x0000000004F00000-0x00000000054A4000-memory.dmp

Filesize
5.6MB

Download
memory/1052-20-0x00000000028B0000-0x00000000028C8000-memory.dmp

Filesize
96KB

Download
memory/1052-21-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-28-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-38-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1052-44-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-54-0x0000000000400000-0x0000000000809000-memory.dmp

Filesize
4.0MB

Download
memory/1052-52-0x0000000000400000-0x0000000000809000-memory.dmp

Filesize
4.0MB

Download
memory/1052-48-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-36-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-34-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-32-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-30-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-26-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-24-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-22-0x00000000028B0000-0x00000000028C2000-memory.dmp

Filesize
72KB

Download
memory/1052-49-0x0000000000910000-0x0000000000A10000-memory.dmp

Filesize
1024KB

Download
memory/1052-50-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1412-9-0x00007FFD4EFC3000-0x00007FFD4EFC5000-memory.dmp

Filesize
8KB

Download
memory/1412-8-0x0000000000150000-0x000000000015A000-memory.dmp

Filesize
40KB

Download
memory/1412-7-0x00007FFD4EFC3000-0x00007FFD4EFC5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads