healer | b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9

General

Target

b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe
Size

337KB
MD5

ce2f1a75ba0c86da86bdb76908b49ec0
SHA1

30c8f7d971d9bad09d174406dd193e10416bee2d
SHA256

b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9
SHA512

cd750c15dcf83915934d6112593a5069c8258dbd1e7a6655ee8629145a3c49a398f5944425d8a2bde3f2b51b1f3492450983013c8993151dbdd894e3e1e471ef
SSDEEP

6144:KVy+bnr+Yp0yN90QEVhqLH05tePIbI6DrYY4jaHvO/zcvj:HMr8y90ILH05QiI6D8YdHvWAvj

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/1800-12-0x0000000004A90000-0x0000000004AAA000-memory.dmp	healer
behavioral1/memory/1800-14-0x0000000004B00000-0x0000000004B18000-memory.dmp	healer
behavioral1/memory/1800-42-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-40-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-39-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-36-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-34-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-32-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-31-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-29-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-26-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-24-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-22-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-20-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-18-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-16-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/1800-15-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/files/0x000e000000023bd7-51.dat	healer
behavioral1/memory/4424-54-0x0000000000260000-0x000000000026A000-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\DisableOnAccessProtection = "1"	mYw06.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mYw06.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mYw06.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mYw06.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mYw06.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	amj97aT.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	mYw06.exe

Executes dropped EXE 2 IoCs

pid	Process
1800	amj97aT.exe
4424	mYw06.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	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	amj97aT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	mYw06.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\\\""	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3584	1800	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	amj97aT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1800	amj97aT.exe
1800	amj97aT.exe
4424	mYw06.exe
4424	mYw06.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	amj97aT.exe
Token: SeDebugPrivilege	4424	mYw06.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1800	1980	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe	82
PID 1980 wrote to memory of 1800	1980	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe	82
PID 1980 wrote to memory of 1800	1980	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe	82
PID 1980 wrote to memory of 4424	1980	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe	94
PID 1980 wrote to memory of 4424	1980	b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe	94

C:\Users\Admin\AppData\Local\Temp\b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe
"C:\Users\Admin\AppData\Local\Temp\b91e4e13c2601f92249ad49cf0a025fe8027414d13280d645468a844b6179df9N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\amj97aT.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\amj97aT.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:1800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 1100
    3⤵
    - Program crash
    PID:3584
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mYw06.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mYw06.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1800 -ip 1800
1⤵
PID:3776

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\amj97aT.exe

Filesize
245KB

MD5
2577882734e8f450e222e38640d3873e

SHA1
a219964a39be8bc274ac0ff4dc28156a4c0a2cb7

SHA256
cc38e728b60b151122ceaf44498f2b7a249e38ca15da8526df76764e52fd0514

SHA512
53578d87afaef446c87bb0e876c865aba247516f5a95cd72b4dd00e06e75aba2b5ac56000865a4aa966fde844862bb4f8097ee444c5ee70aad0f15c831ab96e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mYw06.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1800-26-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-11-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/1800-24-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-12-0x0000000004A90000-0x0000000004AAA000-memory.dmp

Filesize
104KB

Download
memory/1800-13-0x0000000004B70000-0x0000000005114000-memory.dmp

Filesize
5.6MB

Download
memory/1800-14-0x0000000004B00000-0x0000000004B18000-memory.dmp

Filesize
96KB

Download
memory/1800-42-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-40-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-39-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-36-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-34-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-32-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-31-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-29-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-9-0x0000000000570000-0x000000000059D000-memory.dmp

Filesize
180KB

Download
memory/1800-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1800-22-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-20-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-18-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-16-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-15-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/1800-43-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/1800-44-0x0000000000570000-0x000000000059D000-memory.dmp

Filesize
180KB

Download
memory/1800-45-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1800-49-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1800-48-0x0000000000400000-0x000000000056D000-memory.dmp

Filesize
1.4MB

Download
memory/1800-8-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/4424-53-0x00007FFEF5B23000-0x00007FFEF5B25000-memory.dmp

Filesize
8KB

Download
memory/4424-54-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/4424-55-0x00007FFEF5B23000-0x00007FFEF5B25000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads