healer | 39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67

General

Target

39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe
Size

501KB
MD5

5a0e69f9e033c83e54e10d5084215ac0
SHA1

3ea7ff58c34efce2690719aeee807d597d34b89d
SHA256

39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67
SHA512

1c692e00f99cd97a83307ab8f5b9889d049b14ff5eacbe5aec954aa8e524dd11cb23a3aa4d97bfb4683038c867c8526a19b8767e1c52c4c5177d92e804fff8f6
SSDEEP

12288:kMrmy90m+gzCNctWsvs1ZXAIFavUrzFJ+r:qyt+sCNccz1ZXXFFJ+r

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/0x000b000000023bad-12.dat	healer
behavioral1/memory/5076-15-0x0000000000400000-0x000000000040A000-memory.dmp	healer
behavioral1/memory/3304-22-0x0000000002660000-0x000000000267A000-memory.dmp	healer
behavioral1/memory/3304-24-0x00000000026C0000-0x00000000026D8000-memory.dmp	healer
behavioral1/memory/3304-25-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-32-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-52-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-50-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-48-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-46-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-44-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-42-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-40-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-38-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-36-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-34-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-30-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-28-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/3304-26-0x00000000026C0000-0x00000000026D2000-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"	dUl00fs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eGr53JU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eGr53JU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eGr53JU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dUl00fs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dUl00fs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dUl00fs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dUl00fs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eGr53JU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eGr53JU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eGr53JU.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dUl00fs.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/0x000a000000023bab-56.dat	family_redline
behavioral1/memory/4400-59-0x00000000000F0000-0x0000000000122000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3280	nuZ95vx56.exe
5076	dUl00fs.exe
3304	eGr53JU.exe
4400	fEF49gS.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"	eGr53JU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dUl00fs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eGr53JU.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\\\""	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.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\\\""	nuZ95vx56.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4236	3304	WerFault.exe	93

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	eGr53JU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fEF49gS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nuZ95vx56.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5076	dUl00fs.exe
5076	dUl00fs.exe
3304	eGr53JU.exe
3304	eGr53JU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	dUl00fs.exe
Token: SeDebugPrivilege	3304	eGr53JU.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 3280	552	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe	83
PID 552 wrote to memory of 3280	552	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe	83
PID 552 wrote to memory of 3280	552	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe	83
PID 3280 wrote to memory of 5076	3280	nuZ95vx56.exe	84
PID 3280 wrote to memory of 5076	3280	nuZ95vx56.exe	84
PID 3280 wrote to memory of 3304	3280	nuZ95vx56.exe	93
PID 3280 wrote to memory of 3304	3280	nuZ95vx56.exe	93
PID 3280 wrote to memory of 3304	3280	nuZ95vx56.exe	93
PID 552 wrote to memory of 4400	552	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe	98
PID 552 wrote to memory of 4400	552	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe	98
PID 552 wrote to memory of 4400	552	39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe	98

C:\Users\Admin\AppData\Local\Temp\39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe
"C:\Users\Admin\AppData\Local\Temp\39771ddc1b2fc36def86a62560fe8eec36ae99d65d85bd83b4f9dcc79a3a9c67N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nuZ95vx56.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nuZ95vx56.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3280
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUl00fs.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUl00fs.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5076
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eGr53JU.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eGr53JU.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:3304
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 1084
      4⤵
      Program crash
      PID:4236
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fEF49gS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fEF49gS.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3304 -ip 3304
1⤵
PID:1916

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\fEF49gS.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nuZ95vx56.exe

Filesize
356KB

MD5
058acd0d6840e31e90e206c34993e71e

SHA1
53000832b368c21f6979391e4214c08827530758

SHA256
d6496d7af0f16a144133b04c89de2a5f6fad55a0b3799750adef54a7d68298ab

SHA512
1ebb361335f41375f39ad6c5a0a37567533925f2ec0a996b3ce87bbc460f8d153131a4584ad87d6d0d6c8e090bc528bb7c026a1792d039feeea87b31b5bcae16

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUl00fs.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eGr53JU.exe

Filesize
295KB

MD5
2338c84711b756237e614c3869cf6100

SHA1
6146eace912945070cb084fe3839c8d2dc27c403

SHA256
fbfd8bd7e7ff54ce43c209c34a9959ad1abe7325209756decc04e3d9a44ff87b

SHA512
24bd3e70fc0ac61f6fcc432de5e93ac38c66eb3fb0e9b09337acc526873dd42f779f2741761ffb1677936e8f219f3c3b683c9476d8ab604803795fc323c7bae6

Download Submit
memory/3304-42-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-36-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-22-0x0000000002660000-0x000000000267A000-memory.dmp

Filesize
104KB

Download
memory/3304-23-0x0000000004C90000-0x0000000005234000-memory.dmp

Filesize
5.6MB

Download
memory/3304-24-0x00000000026C0000-0x00000000026D8000-memory.dmp

Filesize
96KB

Download
memory/3304-25-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-32-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-52-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-50-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-48-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-46-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-44-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-55-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/3304-40-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-38-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-53-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/3304-34-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-30-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-28-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/3304-26-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/4400-59-0x00000000000F0000-0x0000000000122000-memory.dmp

Filesize
200KB

Download
memory/4400-60-0x0000000004F30000-0x0000000005548000-memory.dmp

Filesize
6.1MB

Download
memory/4400-61-0x0000000004A90000-0x0000000004B9A000-memory.dmp

Filesize
1.0MB

Download
memory/4400-62-0x00000000049C0000-0x00000000049D2000-memory.dmp

Filesize
72KB

Download
memory/4400-63-0x0000000004A40000-0x0000000004A7C000-memory.dmp

Filesize
240KB

Download
memory/4400-64-0x0000000004BA0000-0x0000000004BEC000-memory.dmp

Filesize
304KB

Download
memory/5076-16-0x00007FF896CA3000-0x00007FF896CA5000-memory.dmp

Filesize
8KB

Download
memory/5076-15-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5076-14-0x00007FF896CA3000-0x00007FF896CA5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads