healer | f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c

General

Target

f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe
Size

500KB
MD5

e98084368d46cb78c0c62b1dc729cac5
SHA1

36afec1601ed63400ef1efe7074e623731cd2d43
SHA256

f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c
SHA512

f9f745d663609e89c198e59a02ee188bac6d9823c0355010089abedb0afe0e3dc7b84e9bdd47761dc5d254baa98d74bd58550da6f7fc91afcfea91d7e132ceef
SSDEEP

12288:KMrRy90lLBwjqClOim5/2jprdWeM+LL0oVV:rymUlOi+OjloeMfoP

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/0x0008000000023c8d-12.dat	healer
behavioral1/memory/1932-15-0x00000000008F0000-0x00000000008FA000-memory.dmp	healer
behavioral1/memory/4568-22-0x0000000002690000-0x00000000026AA000-memory.dmp	healer
behavioral1/memory/4568-24-0x0000000004B60000-0x0000000004B78000-memory.dmp	healer
behavioral1/memory/4568-25-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-34-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-52-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-50-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-48-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-46-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-44-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-42-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-40-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-36-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-32-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-30-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-28-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-26-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4568-38-0x0000000004B60000-0x0000000004B72000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eRI39ty.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dxI76MY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dxI76MY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dxI76MY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dxI76MY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dxI76MY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eRI39ty.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eRI39ty.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eRI39ty.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dxI76MY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eRI39ty.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eRI39ty.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/0x0007000000023c8b-58.dat	family_redline
behavioral1/memory/4364-59-0x0000000000BC0000-0x0000000000BF2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2656	naR66if76.exe
1932	dxI76MY.exe
4568	eRI39ty.exe
4364	fws48Vs.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"	dxI76MY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eRI39ty.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eRI39ty.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\\\""	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.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\\\""	naR66if76.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1760	4568	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	eRI39ty.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fws48Vs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	naR66if76.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1932	dxI76MY.exe
1932	dxI76MY.exe
4568	eRI39ty.exe
4568	eRI39ty.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	dxI76MY.exe
Token: SeDebugPrivilege	4568	eRI39ty.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 2656	4472	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe	83
PID 4472 wrote to memory of 2656	4472	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe	83
PID 4472 wrote to memory of 2656	4472	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe	83
PID 2656 wrote to memory of 1932	2656	naR66if76.exe	85
PID 2656 wrote to memory of 1932	2656	naR66if76.exe	85
PID 2656 wrote to memory of 4568	2656	naR66if76.exe	93
PID 2656 wrote to memory of 4568	2656	naR66if76.exe	93
PID 2656 wrote to memory of 4568	2656	naR66if76.exe	93
PID 4472 wrote to memory of 4364	4472	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe	98
PID 4472 wrote to memory of 4364	4472	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe	98
PID 4472 wrote to memory of 4364	4472	f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe	98

C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe
"C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1932
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.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:4568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 1088
      4⤵
      Program crash
      PID:1760
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4568 -ip 4568
1⤵
PID:748

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\fws48Vs.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe

Filesize
355KB

MD5
6052fa062b369e8ec94ece4cedbf6047

SHA1
a0381fdb0f32697c7c8933791f8e54356c6c5acc

SHA256
5a69b2a88d1b0cbf2157d3cc56167a439a6f8d203a1c2ee3ac81dbb8a8b02fa0

SHA512
2271cbb9edf813a3cb183f0bddd04e5d6ea4663403c80a1c1a9244455c7d99bc663d5e69c442460ea09d040b6270a8fdc2169d53542b36c5c65071997db78de8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exe

Filesize
295KB

MD5
304766f61a677814af31d2737d118b6f

SHA1
213a7e70d4f7d13e17ddff12152bcfe2c1cc2de4

SHA256
07c33396ed7ec1b40808aae921c50c552dc21b08beabbd5541b9fc9f062e08ac

SHA512
08c9202e988e4f6518a14f37b19eefc8b5901a2c07472140303c48535b67830e956759db3738b3bf63559220cb1e59f8045a2fad5d84530e9cb2e670740441ea

Download Submit
memory/1932-15-0x00000000008F0000-0x00000000008FA000-memory.dmp

Filesize
40KB

Download
memory/1932-14-0x00007FFC9D833000-0x00007FFC9D835000-memory.dmp

Filesize
8KB

Download
memory/1932-16-0x00007FFC9D833000-0x00007FFC9D835000-memory.dmp

Filesize
8KB

Download
memory/4364-64-0x0000000005670000-0x00000000056BC000-memory.dmp

Filesize
304KB

Download
memory/4364-62-0x0000000005490000-0x00000000054A2000-memory.dmp

Filesize
72KB

Download
memory/4364-61-0x0000000005560000-0x000000000566A000-memory.dmp

Filesize
1.0MB

Download
memory/4364-60-0x0000000005A50000-0x0000000006068000-memory.dmp

Filesize
6.1MB

Download
memory/4364-59-0x0000000000BC0000-0x0000000000BF2000-memory.dmp

Filesize
200KB

Download
memory/4364-63-0x0000000005510000-0x000000000554C000-memory.dmp

Filesize
240KB

Download
memory/4568-42-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-26-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-44-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-48-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-40-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-36-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-32-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-30-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-28-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-46-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-38-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4568-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4568-50-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-52-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-34-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-25-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4568-24-0x0000000004B60000-0x0000000004B78000-memory.dmp

Filesize
96KB

Download
memory/4568-23-0x0000000004BB0000-0x0000000005154000-memory.dmp

Filesize
5.6MB

Download
memory/4568-22-0x0000000002690000-0x00000000026AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads