healer | a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471

General

Target

a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe
Size

500KB
MD5

c0ce96402e4a30fa59c875ca28d188b7
SHA1

0d3dceca4f323f2b8dc6193b8da24ac36846f2f0
SHA256

a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471
SHA512

4b175b35d4f416247f396e891f6d6b8de337563e499e708345d5538310b236a8d1425f6c67c0cfe17f28821296b342f2b53124933481ab0688f2634c4932b697
SSDEEP

6144:Kay+bnr+Op0yN90QEm1fNQfRIYRlc6a2BV71IwCXJpZv36VnmbWYGimHycllTV5Z:CMray90EHQGfMI1BbWZlTG0

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/0x0008000000023cb8-12.dat	healer
behavioral1/memory/2392-15-0x0000000000AC0000-0x0000000000ACA000-memory.dmp	healer
behavioral1/memory/884-22-0x0000000002580000-0x000000000259A000-memory.dmp	healer
behavioral1/memory/884-24-0x0000000004B60000-0x0000000004B78000-memory.dmp	healer
behavioral1/memory/884-25-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-34-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-52-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-50-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-48-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-47-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-45-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-42-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-41-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-39-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-36-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-33-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-30-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-28-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/884-26-0x0000000004B60000-0x0000000004B72000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dUV18Em.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dUV18Em.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dUV18Em.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eLT09cY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eLT09cY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eLT09cY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dUV18Em.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dUV18Em.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eLT09cY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eLT09cY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eLT09cY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dUV18Em.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/0x0007000000023cb6-56.dat	family_redline
behavioral1/memory/4412-59-0x00000000003B0000-0x00000000003E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
528	nqQ61pV72.exe
2392	dUV18Em.exe
884	eLT09cY.exe
4412	fsv30nQ.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"	dUV18Em.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eLT09cY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eLT09cY.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\\\""	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.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\\\""	nqQ61pV72.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1108	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	884	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	fsv30nQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nqQ61pV72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eLT09cY.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2392	dUV18Em.exe
2392	dUV18Em.exe
884	eLT09cY.exe
884	eLT09cY.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	dUV18Em.exe
Token: SeDebugPrivilege	884	eLT09cY.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 528	2712	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe	83
PID 2712 wrote to memory of 528	2712	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe	83
PID 2712 wrote to memory of 528	2712	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe	83
PID 528 wrote to memory of 2392	528	nqQ61pV72.exe	84
PID 528 wrote to memory of 2392	528	nqQ61pV72.exe	84
PID 528 wrote to memory of 884	528	nqQ61pV72.exe	92
PID 528 wrote to memory of 884	528	nqQ61pV72.exe	92
PID 528 wrote to memory of 884	528	nqQ61pV72.exe	92
PID 2712 wrote to memory of 4412	2712	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe	96
PID 2712 wrote to memory of 4412	2712	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe	96
PID 2712 wrote to memory of 4412	2712	a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe	96

C:\Users\Admin\AppData\Local\Temp\a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe
"C:\Users\Admin\AppData\Local\Temp\a3b8e619bf51c3a1d63ef03a447dc2b5e0c8a7c5a994e515cf3bf40fc086f471.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqQ61pV72.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqQ61pV72.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUV18Em.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUV18Em.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2392
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLT09cY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLT09cY.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:884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 884 -s 1080
      4⤵
      Program crash
      PID:2732
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fsv30nQ.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fsv30nQ.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 884 -ip 884
1⤵
PID:1848

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:1108

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\fsv30nQ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqQ61pV72.exe

Filesize
356KB

MD5
a2427df302b05ac423995110e3cc3df2

SHA1
26bd5a54442494b9e16b5288fe4793f07d34208a

SHA256
30ae97d13c9b364ed5ea698d01a66d6b9bd5bd1f7cb6f3741aa81d3fe8d0e143

SHA512
c5451acfd9451c6951fedc9bb57294217e9f5aa0705ed20fbcad9658017ba1422714678f03d05ec8ceb02d8a2f77fab3175330f74ff6827a14d9f62837945048

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUV18Em.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLT09cY.exe

Filesize
295KB

MD5
30e5210e3c4f9b0cfca0bcd2de8dc372

SHA1
2667d2087356b64cc9b28555800a33b260748cfa

SHA256
5480ccc9506759761caede0e8ea453de4c55f51fe8b866f913ca40c83d238144

SHA512
3875d53dcfd8861aa1204a6b5ab8aba237cce554664e80b6e676aaae5fb99908530f0fa14f9f410432316b0623215c16bd6aa6dff7325528e674ef75bfb0fd0f

Download Submit
memory/884-42-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-36-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-22-0x0000000002580000-0x000000000259A000-memory.dmp

Filesize
104KB

Download
memory/884-23-0x0000000004C40000-0x00000000051E4000-memory.dmp

Filesize
5.6MB

Download
memory/884-24-0x0000000004B60000-0x0000000004B78000-memory.dmp

Filesize
96KB

Download
memory/884-25-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-34-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-52-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-50-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-48-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-47-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-45-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/884-41-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-39-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/884-33-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-30-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-28-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/884-26-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/2392-16-0x00007FFC2DAC3000-0x00007FFC2DAC5000-memory.dmp

Filesize
8KB

Download
memory/2392-15-0x0000000000AC0000-0x0000000000ACA000-memory.dmp

Filesize
40KB

Download
memory/2392-14-0x00007FFC2DAC3000-0x00007FFC2DAC5000-memory.dmp

Filesize
8KB

Download
memory/4412-59-0x00000000003B0000-0x00000000003E2000-memory.dmp

Filesize
200KB

Download
memory/4412-60-0x0000000005210000-0x0000000005828000-memory.dmp

Filesize
6.1MB

Download
memory/4412-61-0x0000000004D50000-0x0000000004E5A000-memory.dmp

Filesize
1.0MB

Download
memory/4412-62-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/4412-63-0x0000000004E60000-0x0000000004E9C000-memory.dmp

Filesize
240KB

Download
memory/4412-64-0x0000000004CA0000-0x0000000004CEC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads