healer | 72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e

General

Target

72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe
Size

314KB
MD5

9315a568d014f6619cd2e52922228940
SHA1

31dc7f76d61078e4b3a84d5740b398a921659445
SHA256

72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e
SHA512

27e951afa13510e32a4d1f43bbfd2a656e467b700490c52c80168f700af6ea3c724c7077e7ba2cc2bcdfacbd718aa2357babf524ff72bb00b56b81b46d0ef222
SSDEEP

6144:KFy+bnr+tp0yN90QECMZBcv4yQyzjr+ivkwaLPX3V6Lp3Z9JeDb:fMr1y90sMZBcAFyn4Dcr2Db

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/0x0009000000023ca7-5.dat	healer
behavioral1/memory/2456-8-0x0000000000450000-0x000000000045A000-memory.dmp	healer
behavioral1/memory/3116-18-0x0000000002680000-0x000000000269A000-memory.dmp	healer
behavioral1/memory/3116-20-0x0000000005160000-0x0000000005178000-memory.dmp	healer
behavioral1/memory/3116-21-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-24-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-46-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-44-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-42-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-40-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-38-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-37-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-34-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-32-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-30-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-48-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-28-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-26-0x0000000005160000-0x0000000005172000-memory.dmp	healer
behavioral1/memory/3116-22-0x0000000005160000-0x0000000005172000-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	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\DisableScanOnRealtimeEnable = "1"	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	h28If54.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\DisableIOAVProtection = "1"	f0103vj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "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\DisableBehaviorMonitoring = "1"	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\DisableScanOnRealtimeEnable = "1"	h28If54.exe

Executes dropped EXE 2 IoCs

pid	Process
2456	f0103vj.exe
3116	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\\\""	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	3116	WerFault.exe	89

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	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	h28If54.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2456	f0103vj.exe
2456	f0103vj.exe
3116	h28If54.exe
3116	h28If54.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	f0103vj.exe
Token: SeDebugPrivilege	3116	h28If54.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2456	1504	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe	84
PID 1504 wrote to memory of 2456	1504	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe	84
PID 1504 wrote to memory of 3116	1504	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe	89
PID 1504 wrote to memory of 3116	1504	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe	89
PID 1504 wrote to memory of 3116	1504	72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe	89

C:\Users\Admin\AppData\Local\Temp\72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe
"C:\Users\Admin\AppData\Local\Temp\72b71bf03d4b68aac9543f56cc4c096c61ae6c6d8ec126246ee1c9e42957b87e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- 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:2456
- 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:3116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 1084
    3⤵
    - Program crash
    PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3116 -ip 3116
1⤵
PID:4552

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/2456-7-0x00007FFFFDE43000-0x00007FFFFDE45000-memory.dmp

Filesize
8KB

Download
memory/2456-8-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2456-9-0x00007FFFFDE43000-0x00007FFFFDE45000-memory.dmp

Filesize
8KB

Download
memory/3116-40-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-37-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3116-18-0x0000000002680000-0x000000000269A000-memory.dmp

Filesize
104KB

Download
memory/3116-19-0x0000000004B70000-0x0000000005114000-memory.dmp

Filesize
5.6MB

Download
memory/3116-20-0x0000000005160000-0x0000000005178000-memory.dmp

Filesize
96KB

Download
memory/3116-21-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-24-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-46-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-44-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-42-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-15-0x00000000007D0000-0x00000000008D0000-memory.dmp

Filesize
1024KB

Download
memory/3116-38-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-16-0x00000000005A0000-0x00000000005CD000-memory.dmp

Filesize
180KB

Download
memory/3116-34-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-32-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-30-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-48-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-28-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-26-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-22-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/3116-49-0x00000000007D0000-0x00000000008D0000-memory.dmp

Filesize
1024KB

Download
memory/3116-50-0x00000000005A0000-0x00000000005CD000-memory.dmp

Filesize
180KB

Download
memory/3116-51-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3116-52-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3116-54-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3116-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads