healer | def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97

General

Target

def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe
Size

482KB
MD5

b422d9cafbc1b3a88302f8cffaf556d8
SHA1

d68bd0c542c8f84cc1b7435c2a7fe1ba98c92f42
SHA256

def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97
SHA512

e99542f8afcd53400b7e8ed0e6d31637984259c31b1597a96ad8d44371e6d191bca69b91fc5ca417e0a56194ad6e7ef81d98fea1bfd70ead1cc587d2a900863d
SSDEEP

6144:KLy+bnr+Pp0yN90QENmVlaJPZOhim60kWz8N8mlepm7B4L7FUys7SeJ2fC3xxa50:BMrzy9074MJPHk82mlCmNYU94qhF

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/0x0008000000023c97-12.dat	healer
behavioral1/memory/1032-15-0x0000000000920000-0x000000000092A000-memory.dmp	healer
behavioral1/memory/864-22-0x00000000021D0000-0x00000000021EA000-memory.dmp	healer
behavioral1/memory/864-24-0x0000000002220000-0x0000000002238000-memory.dmp	healer
behavioral1/memory/864-25-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-32-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-52-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-50-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-48-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-46-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-44-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-42-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-40-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-38-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-36-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-34-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-30-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-28-0x0000000002220000-0x0000000002232000-memory.dmp	healer
behavioral1/memory/864-26-0x0000000002220000-0x0000000002232000-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"	dXb03Gl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eVs64NB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eVs64NB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eVs64NB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eVs64NB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eVs64NB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eVs64NB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dXb03Gl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dXb03Gl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dXb03Gl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dXb03Gl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dXb03Gl.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/0x0007000000023c95-57.dat	family_redline
behavioral1/memory/3116-59-0x0000000000470000-0x00000000004A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4036	nOK41hN90.exe
1032	dXb03Gl.exe
864	eVs64NB.exe
3116	fav08sc.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"	dXb03Gl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eVs64NB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eVs64NB.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\\\""	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.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\\\""	nOK41hN90.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	nOK41hN90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eVs64NB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fav08sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1032	dXb03Gl.exe
1032	dXb03Gl.exe
864	eVs64NB.exe
864	eVs64NB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	dXb03Gl.exe
Token: SeDebugPrivilege	864	eVs64NB.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 4036	4756	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe	84
PID 4756 wrote to memory of 4036	4756	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe	84
PID 4756 wrote to memory of 4036	4756	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe	84
PID 4036 wrote to memory of 1032	4036	nOK41hN90.exe	85
PID 4036 wrote to memory of 1032	4036	nOK41hN90.exe	85
PID 4036 wrote to memory of 864	4036	nOK41hN90.exe	96
PID 4036 wrote to memory of 864	4036	nOK41hN90.exe	96
PID 4036 wrote to memory of 864	4036	nOK41hN90.exe	96
PID 4756 wrote to memory of 3116	4756	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe	97
PID 4756 wrote to memory of 3116	4756	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe	97
PID 4756 wrote to memory of 3116	4756	def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe	97

C:\Users\Admin\AppData\Local\Temp\def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe
"C:\Users\Admin\AppData\Local\Temp\def8f38a9052541909e5ff5e393a06fee8bb9338ba0561f3f4093fd468abca97.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nOK41hN90.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nOK41hN90.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dXb03Gl.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dXb03Gl.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1032
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eVs64NB.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eVs64NB.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:864
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fav08sc.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fav08sc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3116

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\fav08sc.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nOK41hN90.exe

Filesize
337KB

MD5
221b44a00381ba4c7be74101a2236b65

SHA1
d1cb3343e529854d527d3e6507392a35852fe55b

SHA256
7a655061beedfbb43de59768869d9567e5a3c2e1c948539f8ccd35415e66321e

SHA512
1df2797fadefe6036289c25d7f6f42c5e6007c542ebd9931635f234e19d94b4da29903c9024c272cab2efbe265e56692b1e8501efd52e47771a58600839ab280

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dXb03Gl.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eVs64NB.exe

Filesize
248KB

MD5
9821f24e5aa2c1312d1b025f18ed5e03

SHA1
63bf2524ee14b19cd323e77f9e2d96e10d949fb6

SHA256
87be77c0612d5ffaf2f74cbc1296e40ebd131d775b3693531bcea88d9c6ee8b4

SHA512
5c0ed2cbc1373916c8ebf7bbf2c7d07c409247fd8ca1a410f76596b3a0a0a75e6a59e2eb4407f4836e42416a30699608d8b752fb2538df861ac42510e969efca

Download Submit
memory/864-42-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-36-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-22-0x00000000021D0000-0x00000000021EA000-memory.dmp

Filesize
104KB

Download
memory/864-23-0x0000000004BE0000-0x0000000005184000-memory.dmp

Filesize
5.6MB

Download
memory/864-24-0x0000000002220000-0x0000000002238000-memory.dmp

Filesize
96KB

Download
memory/864-25-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-32-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-52-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-50-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-48-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-46-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-44-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-55-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/864-40-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-38-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-53-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/864-34-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-30-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-28-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/864-26-0x0000000002220000-0x0000000002232000-memory.dmp

Filesize
72KB

Download
memory/1032-16-0x00007FF954B93000-0x00007FF954B95000-memory.dmp

Filesize
8KB

Download
memory/1032-15-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/1032-14-0x00007FF954B93000-0x00007FF954B95000-memory.dmp

Filesize
8KB

Download
memory/3116-59-0x0000000000470000-0x00000000004A2000-memory.dmp

Filesize
200KB

Download
memory/3116-60-0x0000000005400000-0x0000000005A18000-memory.dmp

Filesize
6.1MB

Download
memory/3116-61-0x0000000004F50000-0x000000000505A000-memory.dmp

Filesize
1.0MB

Download
memory/3116-62-0x0000000004E80000-0x0000000004E92000-memory.dmp

Filesize
72KB

Download
memory/3116-63-0x0000000004EF0000-0x0000000004F2C000-memory.dmp

Filesize
240KB

Download
memory/3116-64-0x0000000005060000-0x00000000050AC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads