healer | e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b

General

Target

e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe
Size

483KB
MD5

1e0c939595a12e4a2ca967ad960ddb07
SHA1

1bdf9c1e4017b5386fd95822d97cf9878b10aa6f
SHA256

e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b
SHA512

25f1b9f3d7cf19e9fe475cc362cf958dadf44cf052b6bfb4def353c82220cc12bf1662135d577c6cfb2eecec7c8ec8c4daff5cfb0ed6794704ae11279d086cf9
SSDEEP

12288:LMrey9074Iwdf6I01zCHXTUgSgUagmdkIvkUXdQJ+fm:FyWudWoXTVTUaDdvkWdQ4fm

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/0x0008000000023cb3-12.dat	healer
behavioral1/memory/2916-15-0x0000000000060000-0x000000000006A000-memory.dmp	healer
behavioral1/memory/3900-22-0x00000000025D0000-0x00000000025EA000-memory.dmp	healer
behavioral1/memory/3900-24-0x0000000002760000-0x0000000002778000-memory.dmp	healer
behavioral1/memory/3900-52-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-50-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-48-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-46-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-44-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-42-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-40-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-38-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-36-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-34-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-32-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-30-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-28-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-26-0x0000000002760000-0x0000000002772000-memory.dmp	healer
behavioral1/memory/3900-25-0x0000000002760000-0x0000000002772000-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	dVS71IM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dVS71IM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dVS71IM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dVS71IM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eDR35at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eDR35at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eDR35at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dVS71IM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dVS71IM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eDR35at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eDR35at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eDR35at.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/0x0007000000023cb1-58.dat	family_redline
behavioral1/memory/4812-59-0x0000000000610000-0x0000000000642000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4900	nhn83yZ71.exe
2916	dVS71IM.exe
3900	eDR35at.exe
4812	ffN72Jz.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"	dVS71IM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eDR35at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eDR35at.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\\\""	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.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\\\""	nhn83yZ71.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3124	3900	WerFault.exe	92

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	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nhn83yZ71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eDR35at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffN72Jz.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2916	dVS71IM.exe
2916	dVS71IM.exe
3900	eDR35at.exe
3900	eDR35at.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	dVS71IM.exe
Token: SeDebugPrivilege	3900	eDR35at.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 4900	2596	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe	83
PID 2596 wrote to memory of 4900	2596	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe	83
PID 2596 wrote to memory of 4900	2596	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe	83
PID 4900 wrote to memory of 2916	4900	nhn83yZ71.exe	84
PID 4900 wrote to memory of 2916	4900	nhn83yZ71.exe	84
PID 4900 wrote to memory of 3900	4900	nhn83yZ71.exe	92
PID 4900 wrote to memory of 3900	4900	nhn83yZ71.exe	92
PID 4900 wrote to memory of 3900	4900	nhn83yZ71.exe	92
PID 2596 wrote to memory of 4812	2596	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe	96
PID 2596 wrote to memory of 4812	2596	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe	96
PID 2596 wrote to memory of 4812	2596	e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe	96

C:\Users\Admin\AppData\Local\Temp\e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe
"C:\Users\Admin\AppData\Local\Temp\e2ea0ad50b5e97c75f16bad7c89c7c7ef2d4e224a4d490b4e27e40460fc7405b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhn83yZ71.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhn83yZ71.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dVS71IM.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dVS71IM.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDR35at.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDR35at.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:3900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 1100
      4⤵
      Program crash
      PID:3124
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ffN72Jz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ffN72Jz.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3900 -ip 3900
1⤵
PID:3360

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\ffN72Jz.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhn83yZ71.exe

Filesize
339KB

MD5
0cc20290fa3e48ac2cc430584c7938a0

SHA1
b4782ef661f6b975868975280aacbad16bbd98b7

SHA256
b3e3d89ccac63b834213e824910437412368bd15230a28c6f7852c283b1f91d3

SHA512
05abbe71b9fdaf987a177bc8f7ee67a0a24ae948d0631dde45860977581718adf8580b960ea9eb73add6f9880bb7653c43a6f17425e54a06b2e29bda38ad15ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dVS71IM.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDR35at.exe

Filesize
258KB

MD5
5a704962dbdb25e4b334c2fb21cf8cb3

SHA1
234c1e7a4cd5df7209fb2ff4c054a8fb71fc7ff1

SHA256
8eba9adce93cfbf45188ba4d6a84ba9dbd98f6c4476bf56f359bfdabac616d22

SHA512
6f1eceea4d68fef53697ac8d1dd37864f6726cd612e3e4c0fe190b9b7c8897607f41a557c2e3c37dffe18ccf459c4e132da02cacfbc13970add91f75b5b4a271

Download Submit
memory/2916-14-0x00007FF9E7FE3000-0x00007FF9E7FE5000-memory.dmp

Filesize
8KB

Download
memory/2916-15-0x0000000000060000-0x000000000006A000-memory.dmp

Filesize
40KB

Download
memory/2916-16-0x00007FF9E7FE3000-0x00007FF9E7FE5000-memory.dmp

Filesize
8KB

Download
memory/3900-38-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-30-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-52-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-50-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-48-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-46-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-44-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-42-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-40-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-23-0x0000000004DE0000-0x0000000005384000-memory.dmp

Filesize
5.6MB

Download
memory/3900-36-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-34-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-32-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-24-0x0000000002760000-0x0000000002778000-memory.dmp

Filesize
96KB

Download
memory/3900-28-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-26-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-25-0x0000000002760000-0x0000000002772000-memory.dmp

Filesize
72KB

Download
memory/3900-53-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/3900-55-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/3900-22-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download
memory/4812-59-0x0000000000610000-0x0000000000642000-memory.dmp

Filesize
200KB

Download
memory/4812-60-0x0000000005430000-0x0000000005A48000-memory.dmp

Filesize
6.1MB

Download
memory/4812-61-0x0000000004FB0000-0x00000000050BA000-memory.dmp

Filesize
1.0MB

Download
memory/4812-62-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

Filesize
72KB

Download
memory/4812-63-0x0000000004F40000-0x0000000004F7C000-memory.dmp

Filesize
240KB

Download
memory/4812-64-0x00000000050C0000-0x000000000510C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads