healer | 81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183

General

Target

81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe
Size

482KB
MD5

fc17a8b8ca885cee5f5b38a0806a9fdb
SHA1

ef9064de5a4f160a054098a3094b6b66ddc53668
SHA256

81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183
SHA512

466ae5343c290b26fa2b21e9c461ecf746e8a00d21149ed08e66ceb9e7c444721442a7bd5d643e5a477191cb3db94ea962af725d6eae48189cbc30816428b8db
SSDEEP

12288:AMrjy904VyGVKiEhvr0IkjhQ6ec54vdT5TP:TyjVlEhvQy6ec5ydTlP

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b87-12.dat	healer
behavioral1/memory/1236-15-0x00000000008A0000-0x00000000008AA000-memory.dmp	healer
behavioral1/memory/1432-22-0x0000000002240000-0x000000000225A000-memory.dmp	healer
behavioral1/memory/1432-24-0x00000000022C0000-0x00000000022D8000-memory.dmp	healer
behavioral1/memory/1432-25-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-32-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-52-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-51-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-48-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-46-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-44-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-42-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-40-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-38-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-36-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-34-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-30-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-28-0x00000000022C0000-0x00000000022D2000-memory.dmp	healer
behavioral1/memory/1432-26-0x00000000022C0000-0x00000000022D2000-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\DisableIOAVProtection = "1"	dje80Yi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dje80Yi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dje80Yi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eHg77DI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eHg77DI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eHg77DI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dje80Yi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dje80Yi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dje80Yi.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eHg77DI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eHg77DI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eHg77DI.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a000000023b85-57.dat	family_redline
behavioral1/memory/4436-59-0x0000000000090000-0x00000000000C2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3024	nnS32xX31.exe
1236	dje80Yi.exe
1432	eHg77DI.exe
4436	fuM62RC.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"	dje80Yi.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eHg77DI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eHg77DI.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\\\""	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.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\\\""	nnS32xX31.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nnS32xX31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eHg77DI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fuM62RC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1236	dje80Yi.exe
1236	dje80Yi.exe
1432	eHg77DI.exe
1432	eHg77DI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	dje80Yi.exe
Token: SeDebugPrivilege	1432	eHg77DI.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 3024	2608	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe	83
PID 2608 wrote to memory of 3024	2608	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe	83
PID 2608 wrote to memory of 3024	2608	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe	83
PID 3024 wrote to memory of 1236	3024	nnS32xX31.exe	84
PID 3024 wrote to memory of 1236	3024	nnS32xX31.exe	84
PID 3024 wrote to memory of 1432	3024	nnS32xX31.exe	96
PID 3024 wrote to memory of 1432	3024	nnS32xX31.exe	96
PID 3024 wrote to memory of 1432	3024	nnS32xX31.exe	96
PID 2608 wrote to memory of 4436	2608	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe	97
PID 2608 wrote to memory of 4436	2608	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe	97
PID 2608 wrote to memory of 4436	2608	81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe	97

C:\Users\Admin\AppData\Local\Temp\81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe
"C:\Users\Admin\AppData\Local\Temp\81e02bbc06f3bd176e259639b49089b6da836cffba81af69619bd9321ff8f183.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnS32xX31.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnS32xX31.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dje80Yi.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dje80Yi.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1236
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHg77DI.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHg77DI.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:1432
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fuM62RC.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fuM62RC.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4436

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\fuM62RC.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnS32xX31.exe

Filesize
337KB

MD5
f132f70b329af06c9552b656b9d148ed

SHA1
b5d9875e9a3a4b669040e61fea567c3dca63875b

SHA256
dfd02604251db7ce0a12d170dc601e3c2ba07750492dc74738170a50b4f7ada4

SHA512
2dd9a4a1d106a90408a7056af205cb38655023a733b8ccb63251a0b36faf36555b74c4ba444932121eb5f2b1a8e059baac741309e355c7befb9ead46d628e78c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dje80Yi.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHg77DI.exe

Filesize
248KB

MD5
ee5d95fc580a7da82999ec7f548e65ce

SHA1
48ea3889f13175ccee6b0117a442b09ed1aa99e3

SHA256
419cd55347c4ae44caacaa3c83e6644c4690a30d33ff293f4e1a8a924e6d8b44

SHA512
2c0d4cb64f1a352ea20b07faccbece44eacc5edfcd0eb214bef040e9f6ec9c83ec8603a9c57d7a0dec9ef100a1411bbc7b3605db5c61b0921bee2d5568d3fa73

Download Submit
memory/1236-14-0x00007FFC27673000-0x00007FFC27675000-memory.dmp

Filesize
8KB

Download
memory/1236-15-0x00000000008A0000-0x00000000008AA000-memory.dmp

Filesize
40KB

Download
memory/1236-16-0x00007FFC27673000-0x00007FFC27675000-memory.dmp

Filesize
8KB

Download
memory/1432-42-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-34-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-25-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-32-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-52-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-51-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-48-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-46-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-44-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-23-0x0000000004CB0000-0x0000000005254000-memory.dmp

Filesize
5.6MB

Download
memory/1432-40-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-38-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-36-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-24-0x00000000022C0000-0x00000000022D8000-memory.dmp

Filesize
96KB

Download
memory/1432-30-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-28-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-26-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/1432-53-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/1432-55-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/1432-22-0x0000000002240000-0x000000000225A000-memory.dmp

Filesize
104KB

Download
memory/4436-59-0x0000000000090000-0x00000000000C2000-memory.dmp

Filesize
200KB

Download
memory/4436-60-0x0000000004FF0000-0x0000000005608000-memory.dmp

Filesize
6.1MB

Download
memory/4436-61-0x0000000004B70000-0x0000000004C7A000-memory.dmp

Filesize
1.0MB

Download
memory/4436-62-0x0000000004AA0000-0x0000000004AB2000-memory.dmp

Filesize
72KB

Download
memory/4436-63-0x0000000004B10000-0x0000000004B4C000-memory.dmp

Filesize
240KB

Download
memory/4436-64-0x0000000004C80000-0x0000000004CCC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads