healer | f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870

General

Target

f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe
Size

500KB
MD5

38d50370fe078144b64ae6a3bddc9b1f
SHA1

022a6192e7eff3459a4c3035ebb521e1f517501f
SHA256

f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870
SHA512

5bdd249e4e9b2e32feb213aab8370c1c92bd749fe7b52c2962daa758d6d5752a8decb231e4b597deebbd2100ccea2c3f7e04a4bf9f95b7795b43469d03c697fe
SSDEEP

6144:Kby+bnr+op0yN90QEyZSEe7lIAKktsjj2J78yzEmwFWueEvKJiMENsUsQb9Yz1ge:xMrMy90L97SAZtsj+QDnvKENsSYz/DN

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/0x0008000000023cc1-12.dat	healer
behavioral1/memory/4716-15-0x0000000000410000-0x000000000041A000-memory.dmp	healer
behavioral1/memory/2944-22-0x0000000002380000-0x000000000239A000-memory.dmp	healer
behavioral1/memory/2944-24-0x0000000002470000-0x0000000002488000-memory.dmp	healer
behavioral1/memory/2944-52-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-50-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-48-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-46-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-44-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-42-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-40-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-38-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-36-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-34-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-32-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-30-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-28-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-26-0x0000000002470000-0x0000000002482000-memory.dmp	healer
behavioral1/memory/2944-25-0x0000000002470000-0x0000000002482000-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\DisableRealtimeMonitoring = "1"	exu88KW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dEG83ru.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dEG83ru.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dEG83ru.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dEG83ru.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	exu88KW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	exu88KW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	exu88KW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	exu88KW.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dEG83ru.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dEG83ru.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	exu88KW.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/0x0007000000023cbf-57.dat	family_redline
behavioral1/memory/3512-59-0x0000000000BB0000-0x0000000000BE2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2276	nyI23bd99.exe
4716	dEG83ru.exe
2944	exu88KW.exe
3512	fkw81CF.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"	dEG83ru.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	exu88KW.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	exu88KW.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\\\""	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.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\\\""	nyI23bd99.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4696	2944	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	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nyI23bd99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	exu88KW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fkw81CF.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4716	dEG83ru.exe
4716	dEG83ru.exe
2944	exu88KW.exe
2944	exu88KW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4716	dEG83ru.exe
Token: SeDebugPrivilege	2944	exu88KW.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 2276	5108	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe	83
PID 5108 wrote to memory of 2276	5108	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe	83
PID 5108 wrote to memory of 2276	5108	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe	83
PID 2276 wrote to memory of 4716	2276	nyI23bd99.exe	84
PID 2276 wrote to memory of 4716	2276	nyI23bd99.exe	84
PID 2276 wrote to memory of 2944	2276	nyI23bd99.exe	93
PID 2276 wrote to memory of 2944	2276	nyI23bd99.exe	93
PID 2276 wrote to memory of 2944	2276	nyI23bd99.exe	93
PID 5108 wrote to memory of 3512	5108	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe	98
PID 5108 wrote to memory of 3512	5108	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe	98
PID 5108 wrote to memory of 3512	5108	f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe	98

C:\Users\Admin\AppData\Local\Temp\f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe
"C:\Users\Admin\AppData\Local\Temp\f8fc92916f0c3319ff5d86165c2f6bb5c86a68817559ff4554ec9dba0f2a3870.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyI23bd99.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyI23bd99.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dEG83ru.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dEG83ru.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4716
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exu88KW.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exu88KW.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:2944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 1088
      4⤵
      Program crash
      PID:4696
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fkw81CF.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fkw81CF.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2944 -ip 2944
1⤵
PID:3940

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\fkw81CF.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyI23bd99.exe

Filesize
355KB

MD5
74a5f79b8c13ca374ccb4e1ecee6c555

SHA1
080e9cd323d5763e271944ceb21edfe902cbbf48

SHA256
2b8c727936eb7912a5d641c52e8d76da8d24a7fb661535114133aba640c1068d

SHA512
59016cfced36e69d4cb1f3233335f6daf34490ee9f7ac9bfa0b294b419ba3a82a9ef810e4b622ed2cba6c4f83706dda59df5261e8b32652bfdbf36ac0a737919

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dEG83ru.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\exu88KW.exe

Filesize
295KB

MD5
95d0521245af8d24fa72f2ce47cded32

SHA1
932f5b5afcf601b954e104b99e1ade36ab999751

SHA256
97b7275d4ab95bf2c78bef4ac6f1809830f976c9bbdc7b069d9ec9dc11611a1f

SHA512
ea320d07786dd617a4450f03f75c8453c3cf70df07cbbce075f45aaf7033be2430798dcccf220e1f8caed30283c235dd1e484d5056152457475ec204153a1c2e

Download Submit
memory/2944-38-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-32-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-22-0x0000000002380000-0x000000000239A000-memory.dmp

Filesize
104KB

Download
memory/2944-23-0x0000000004D60000-0x0000000005304000-memory.dmp

Filesize
5.6MB

Download
memory/2944-24-0x0000000002470000-0x0000000002488000-memory.dmp

Filesize
96KB

Download
memory/2944-52-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-50-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-48-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-46-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-44-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-42-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-40-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-55-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2944-36-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-34-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-53-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2944-30-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-28-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-26-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/2944-25-0x0000000002470000-0x0000000002482000-memory.dmp

Filesize
72KB

Download
memory/3512-59-0x0000000000BB0000-0x0000000000BE2000-memory.dmp

Filesize
200KB

Download
memory/3512-60-0x00000000059D0000-0x0000000005FE8000-memory.dmp

Filesize
6.1MB

Download
memory/3512-61-0x0000000005550000-0x000000000565A000-memory.dmp

Filesize
1.0MB

Download
memory/3512-62-0x0000000005480000-0x0000000005492000-memory.dmp

Filesize
72KB

Download
memory/3512-63-0x00000000054E0000-0x000000000551C000-memory.dmp

Filesize
240KB

Download
memory/3512-64-0x0000000005660000-0x00000000056AC000-memory.dmp

Filesize
304KB

Download
memory/4716-16-0x00007FFFF3063000-0x00007FFFF3065000-memory.dmp

Filesize
8KB

Download
memory/4716-15-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/4716-14-0x00007FFFF3063000-0x00007FFFF3065000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads