healer | eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00

General

Target

eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe
Size

650KB
MD5

ad8ab0e2b5f002e317a119225c5196e0
SHA1

7f1bcb1b41ef92187c10529c3ba85305e143fcc6
SHA256

eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00
SHA512

7d8f6e2689c54e3ff962060705bffc11194f0571a2c389f6b1c16db7b47228e458462887a6a21a0e25cef2226a922fdfa569861180cb8bc41cf7c569ff14e17d
SSDEEP

12288:9Mrjy90yz4BxwSDZAHgjLF8jmIV5RaApyS93LLbrk/mYcDHOzCCI7M:CygBFDZIgjLF8jDV5Rhpb93LLbrk/mYJ

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/0x0008000000023c77-12.dat	healer
behavioral1/memory/4484-15-0x0000000000B50000-0x0000000000B5A000-memory.dmp	healer
behavioral1/memory/4204-22-0x00000000022E0000-0x00000000022FA000-memory.dmp	healer
behavioral1/memory/4204-24-0x0000000004B80000-0x0000000004B98000-memory.dmp	healer
behavioral1/memory/4204-25-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-32-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-52-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-50-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-48-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-47-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-44-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-42-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-40-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-39-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-36-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-34-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-30-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-28-0x0000000004B80000-0x0000000004B92000-memory.dmp	healer
behavioral1/memory/4204-26-0x0000000004B80000-0x0000000004B92000-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\DisableRealtimeMonitoring = "1"	tz1684.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	v6486tg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	v6486tg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	v6486tg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	v6486tg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	v6486tg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	tz1684.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	tz1684.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	tz1684.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	tz1684.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	tz1684.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	v6486tg.exe

Executes dropped EXE 3 IoCs

pid	Process
4404	zap1442.exe
4484	tz1684.exe
4204	v6486tg.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	v6486tg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	tz1684.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	v6486tg.exe

Adds Run key to start application 2 TTPs 2 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\\\""	eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	zap1442.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zap1442.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v6486tg.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4484	tz1684.exe
4484	tz1684.exe
4204	v6486tg.exe
4204	v6486tg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4484	tz1684.exe
Token: SeDebugPrivilege	4204	v6486tg.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 4404	3268	eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe	83
PID 3268 wrote to memory of 4404	3268	eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe	83
PID 3268 wrote to memory of 4404	3268	eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe	83
PID 4404 wrote to memory of 4484	4404	zap1442.exe	84
PID 4404 wrote to memory of 4484	4404	zap1442.exe	84
PID 4404 wrote to memory of 4204	4404	zap1442.exe	95
PID 4404 wrote to memory of 4204	4404	zap1442.exe	95
PID 4404 wrote to memory of 4204	4404	zap1442.exe	95

C:\Users\Admin\AppData\Local\Temp\eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe
"C:\Users\Admin\AppData\Local\Temp\eef1bcb2c5a2aaec28eabee46329ae46363082c19c5beb1fe9c762e64957de00N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zap1442.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zap1442.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tz1684.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tz1684.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4484
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6486tg.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6486tg.exe
    3⤵
    - 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:4204

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zap1442.exe

Filesize
322KB

MD5
8c25483a0627f60bdf2a7a67360fb632

SHA1
cc68e18026f376c8437000ee47ac3a66e8a99253

SHA256
974c244d3c560f23f0dec023fc7b8d62223f41ca9a3da9741db9cff6f5de6b58

SHA512
3ecbaeb58d4e2790cb08fc69b2c340ba7ef07c076f945a3fac0614fe0d9552faa15b5c3f7103c1213c2b13ca5b79e5ad99e7ee369673813c115b40af5cd53cc8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tz1684.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v6486tg.exe

Filesize
234KB

MD5
01afc6696402aa4600fee7301c30589e

SHA1
4e45b4faf8c5472ef87c996698046f1c6b461317

SHA256
3665f64788575c20bbd1a2eae3d9711d24c509585a850f45d715bab1c000dc29

SHA512
f15ddbd3bb0e532af9d0a0b44d8a5d6c8a27a81a492383e9c579fc118df5c274d2dff36a195b5f0cdbf371caf43311d916150b2a8bf17db0849f34a95b34318a

Download Submit
memory/4204-50-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-47-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-55-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4204-22-0x00000000022E0000-0x00000000022FA000-memory.dmp

Filesize
104KB

Download
memory/4204-23-0x0000000004BD0000-0x0000000005174000-memory.dmp

Filesize
5.6MB

Download
memory/4204-24-0x0000000004B80000-0x0000000004B98000-memory.dmp

Filesize
96KB

Download
memory/4204-25-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-32-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-52-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-53-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4204-48-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-26-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-44-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-42-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-40-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-39-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-36-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-34-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-30-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4204-28-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4484-16-0x00007FFE2DD83000-0x00007FFE2DD85000-memory.dmp

Filesize
8KB

Download
memory/4484-14-0x00007FFE2DD83000-0x00007FFE2DD85000-memory.dmp

Filesize
8KB

Download
memory/4484-15-0x0000000000B50000-0x0000000000B5A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads