healer | d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247

General

Target

d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe
Size

478KB
MD5

a9cdfa61c264ac00abf8399cf2ed11f8
SHA1

6f273060d901fed059f6f102a4ecd5c754e9ba3b
SHA256

d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247
SHA512

336eb86d7fb51dda9c45f82c645900941ef01b5584b14658fb2d57606149a143b41a917014e8c9c4bb184416ccf7d99edf4efee313b82a26859bf4b156234a4e
SSDEEP

12288:eMr0y908p6/h2XjCP7PK4cK5RxktOsOr7+:myzM/gTCzPKQRelt

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/0x000b000000023b92-12.dat	healer
behavioral1/memory/4712-15-0x0000000000BA0000-0x0000000000BAA000-memory.dmp	healer
behavioral1/memory/228-22-0x0000000002760000-0x000000000277A000-memory.dmp	healer
behavioral1/memory/228-24-0x0000000004C40000-0x0000000004C58000-memory.dmp	healer
behavioral1/memory/228-25-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-32-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-52-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-50-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-48-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-46-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-45-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-42-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-40-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-38-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-36-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-34-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-30-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-28-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/228-26-0x0000000004C40000-0x0000000004C52000-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"	eLp41uk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eLp41uk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dgW24sB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dgW24sB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dgW24sB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eLp41uk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eLp41uk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eLp41uk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dgW24sB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dgW24sB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dgW24sB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eLp41uk.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/0x000a000000023b90-57.dat	family_redline
behavioral1/memory/2732-59-0x00000000007B0000-0x00000000007E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4036	nbJ14sz17.exe
4712	dgW24sB.exe
228	eLp41uk.exe
2732	foH41ow.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"	eLp41uk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dgW24sB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eLp41uk.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\\\""	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.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\\\""	nbJ14sz17.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3984	228	WerFault.exe	94

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	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nbJ14sz17.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eLp41uk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	foH41ow.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4712	dgW24sB.exe
4712	dgW24sB.exe
228	eLp41uk.exe
228	eLp41uk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	dgW24sB.exe
Token: SeDebugPrivilege	228	eLp41uk.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 4036	1976	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe	83
PID 1976 wrote to memory of 4036	1976	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe	83
PID 1976 wrote to memory of 4036	1976	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe	83
PID 4036 wrote to memory of 4712	4036	nbJ14sz17.exe	84
PID 4036 wrote to memory of 4712	4036	nbJ14sz17.exe	84
PID 4036 wrote to memory of 228	4036	nbJ14sz17.exe	94
PID 4036 wrote to memory of 228	4036	nbJ14sz17.exe	94
PID 4036 wrote to memory of 228	4036	nbJ14sz17.exe	94
PID 1976 wrote to memory of 2732	1976	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe	99
PID 1976 wrote to memory of 2732	1976	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe	99
PID 1976 wrote to memory of 2732	1976	d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe	99

C:\Users\Admin\AppData\Local\Temp\d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe
"C:\Users\Admin\AppData\Local\Temp\d31b0852ac17bd9458b35c37ab69bfb8bab0f1a4daf7703dc74584db39bb0247.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbJ14sz17.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbJ14sz17.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\dgW24sB.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dgW24sB.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4712
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLp41uk.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLp41uk.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:228
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 1076
      4⤵
      Program crash
      PID:3984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\foH41ow.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\foH41ow.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 228 -ip 228
1⤵
PID:2756

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\foH41ow.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nbJ14sz17.exe

Filesize
334KB

MD5
c742cb1d55f7ad14db611c613bd11ec7

SHA1
1710e8a3024dcd0c68af5466e79fb4d7e52f4e08

SHA256
0b6328e2cc4a13e14fceb574a79e8706ee68c42547be66f86bbf611e887a7191

SHA512
44420af78350212fb1bb7ddee514954cd3b9815cb390c55017dfd2a141de084ddb38f3fa193afdeac498b6a5e600eec335035666a8d5b62df801843fedd48bf3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dgW24sB.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLp41uk.exe

Filesize
241KB

MD5
f2bcb17a128cbfa928ca290d240f9601

SHA1
487e8bd83d6aa5a8633562ff09254ae922f158f6

SHA256
986bc0236c044a0f4a4e94f3232e1d7d34ce488c289639e059456fb80184b2e6

SHA512
4ee4abb1b4c7d4c23e9e40d9ab857b72fbf36f5688bcbb5a4b674620843a0f3f5fed178405f2ac587f9e2a56c91cb1b0d584ff876c5e5639f91fb42b76b1e923

Download Submit
memory/228-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-22-0x0000000002760000-0x000000000277A000-memory.dmp

Filesize
104KB

Download
memory/228-23-0x0000000004D30000-0x00000000052D4000-memory.dmp

Filesize
5.6MB

Download
memory/228-24-0x0000000004C40000-0x0000000004C58000-memory.dmp

Filesize
96KB

Download
memory/228-25-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-52-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-50-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-48-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-46-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-45-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-55-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/228-40-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-38-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-53-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/228-34-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-30-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-28-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/228-26-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/2732-59-0x00000000007B0000-0x00000000007E2000-memory.dmp

Filesize
200KB

Download
memory/2732-60-0x0000000005710000-0x0000000005D28000-memory.dmp

Filesize
6.1MB

Download
memory/2732-61-0x0000000005290000-0x000000000539A000-memory.dmp

Filesize
1.0MB

Download
memory/2732-62-0x00000000051C0000-0x00000000051D2000-memory.dmp

Filesize
72KB

Download
memory/2732-63-0x0000000005250000-0x000000000528C000-memory.dmp

Filesize
240KB

Download
memory/2732-64-0x00000000051E0000-0x000000000522C000-memory.dmp

Filesize
304KB

Download
memory/4712-16-0x00007FFCD3C33000-0x00007FFCD3C35000-memory.dmp

Filesize
8KB

Download
memory/4712-15-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

Filesize
40KB

Download
memory/4712-14-0x00007FFCD3C33000-0x00007FFCD3C35000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads