healer | 8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47

General

Target

8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe
Size

1.5MB
MD5

e6aa2a4dd80bacd7245122be9f1716c2
SHA1

36c2b0852c84afbd6d1ac250b9b565151e9f6e7a
SHA256

8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47
SHA512

812cf73888be745a7cd7f5a3013a374c56d06171d7db68ba819e12bf447a8ee495c02fb23984fb6c0beb327a0cf02542f11ea99a5a6fabf7b551b1428f61a309
SSDEEP

49152:j7dfVh6DCrTAQUfre00BrJHGut/rhU8Q:3RV8WrLKre0gH/jhU8

Score

10^/10

healer redline mazda discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mazda

C2

217.196.96.56:4138

Attributes

auth_value
3d2870537d84a4c6d7aeecd002871c51

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/4476-36-0x0000000002500000-0x000000000251A000-memory.dmp	healer
behavioral1/memory/4476-38-0x0000000002530000-0x0000000002548000-memory.dmp	healer
behavioral1/memory/4476-42-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-66-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-65-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-62-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-60-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-58-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-56-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-54-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-52-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-50-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-48-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-46-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-44-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-39-0x0000000002530000-0x0000000002542000-memory.dmp	healer
behavioral1/memory/4476-40-0x0000000002530000-0x0000000002542000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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\DisableScanOnRealtimeEnable = "1"	a8276274.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8276274.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8276274.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8276274.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8276274.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8276274.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/0x000a000000023b90-71.dat	family_redline
behavioral1/memory/516-73-0x0000000000250000-0x0000000000280000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 6 IoCs

pid	Process
3240	v5946676.exe
1980	v9215542.exe
4668	v3185907.exe
4424	v5349501.exe
4476	a8276274.exe
516	b1741150.exe

Windows security modification 2 TTPs 2 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"	a8276274.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a8276274.exe

Adds Run key to start application 2 TTPs 5 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\\\""	8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.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\\\""	v5946676.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	v9215542.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	v3185907.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\""	v5349501.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4268	4476	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 7 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	v5946676.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v9215542.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3185907.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v5349501.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8276274.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1741150.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4476	a8276274.exe
4476	a8276274.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	a8276274.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 3240	3412	8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe	83
PID 3412 wrote to memory of 3240	3412	8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe	83
PID 3412 wrote to memory of 3240	3412	8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe	83
PID 3240 wrote to memory of 1980	3240	v5946676.exe	84
PID 3240 wrote to memory of 1980	3240	v5946676.exe	84
PID 3240 wrote to memory of 1980	3240	v5946676.exe	84
PID 1980 wrote to memory of 4668	1980	v9215542.exe	85
PID 1980 wrote to memory of 4668	1980	v9215542.exe	85
PID 1980 wrote to memory of 4668	1980	v9215542.exe	85
PID 4668 wrote to memory of 4424	4668	v3185907.exe	86
PID 4668 wrote to memory of 4424	4668	v3185907.exe	86
PID 4668 wrote to memory of 4424	4668	v3185907.exe	86
PID 4424 wrote to memory of 4476	4424	v5349501.exe	88
PID 4424 wrote to memory of 4476	4424	v5349501.exe	88
PID 4424 wrote to memory of 4476	4424	v5349501.exe	88
PID 4424 wrote to memory of 516	4424	v5349501.exe	103
PID 4424 wrote to memory of 516	4424	v5349501.exe	103
PID 4424 wrote to memory of 516	4424	v5349501.exe	103

C:\Users\Admin\AppData\Local\Temp\8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe
"C:\Users\Admin\AppData\Local\Temp\8a752dc43e43a06fe6b70d54d6efc676e2341624a3fea10d59496b2512e69c47.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5946676.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5946676.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3240
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9215542.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9215542.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1980
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v3185907.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v3185907.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4668
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v5349501.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v5349501.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4424
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a8276274.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a8276274.exe
        6⤵
        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:4476
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 1080
        7⤵
        Program crash
        
        PID:4268
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b1741150.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b1741150.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4476 -ip 4476
1⤵
PID:2428

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\v5946676.exe

Filesize
1.4MB

MD5
34675e0740d16ae60b2bd1541cd8b6e6

SHA1
8db2b10c23066a89cdfab9bc8cba5e6c04a054c9

SHA256
57fc3a6b71a3cf2291950429b2aadfae1c2b6e826784a7562653e5f59f8440ec

SHA512
bda63ed7070a887c6587ba6124073ed50eb42772a7f1910ee9519f68c55da5a224d5f554001fee37f917e5f8835a4d0588c292a445bc3644d9b6b348704e3cd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9215542.exe

Filesize
915KB

MD5
1c754bd5d2a2762d74a1b6f3d5497626

SHA1
69a8e327e3d357ae53383446a8178a32d76c60ac

SHA256
c6b7533038f63cdf4beac40648a6396ae1f6fbe3511235030e1e0d523ea7cf2f

SHA512
c2264dc01bee62dcd1555852aa32981132bf12918f40116965d78dd856daf0d1743b64e98faaf609d9c246c6f4260594d6e593d57b53d5ed72ef4587d2a8b98b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v3185907.exe

Filesize
711KB

MD5
cf82b4929d8037aa89b1056fd3f1fe91

SHA1
1d78b88813d833b5778c9c73a346e8f9614ad497

SHA256
4c31f1f6911ae1cf932478d9ecc3783603a0a9e475de2be48cab91ee58038529

SHA512
dbd246dfe6d59a8bc652ca7560189e10508ee0f172b4279fb9612fc07a1943101ba44165207bf38791c95b532f258c701097098146d3d5bd6fa484121a48ccbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v5349501.exe

Filesize
416KB

MD5
0c55fce769ed9cab0197ccb1e60042f3

SHA1
764be7c1b94909f1ae95dfe9549ed918b84fc26c

SHA256
575901438f8b32c4dba176c8d1d2978a74515cca09d1421d37d5b30f71b94545

SHA512
3831fd6c10b81afdc58ac3bac3b635235c6916d6da3453a6aabf616609b00978133b9e2232ee04bce2b98f1696772d43c364c5ce1df76c8c910021f763a4d977

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a8276274.exe

Filesize
360KB

MD5
04072c1b1231c5dea0be45ce2a3485cb

SHA1
cb1d22c148ab8ea15fdafa9cc073b0da5feb7202

SHA256
3990e5e2ba5e62328ea57f13fb5067f330d20b5e331af2c6b0140118241f1a0e

SHA512
af8104f8260b71d7ef15e6972b8ca6f7e35ac7174614b47496aac55f708c768b01d3e7992061b3069760147cc3d8418f8ebec47749aab8a662f90507184c3f22

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b1741150.exe

Filesize
168KB

MD5
7b6b1bd82e0be5cf8add126ac9f7e0d1

SHA1
2f0716bfe728ee8ea0355c4dcbb26b623353b4a5

SHA256
64760db4612df11a5874498b75b475e9de796928abf6a03c5300ec1085bdccb7

SHA512
7d8e9e2c861eb2e69d3939886d33059ae3215ad63c25e1ffdc102468e705db5a852159ccc579aa6c188c8cdaa1816e46acd74d2e253f034773870e132e83fb0d

Download Submit
memory/516-78-0x0000000004D70000-0x0000000004DAC000-memory.dmp

Filesize
240KB

Download
memory/516-76-0x0000000004DE0000-0x0000000004EEA000-memory.dmp

Filesize
1.0MB

Download
memory/516-77-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/516-75-0x0000000005290000-0x00000000058A8000-memory.dmp

Filesize
6.1MB

Download
memory/516-74-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/516-73-0x0000000000250000-0x0000000000280000-memory.dmp

Filesize
192KB

Download
memory/516-79-0x0000000004EF0000-0x0000000004F3C000-memory.dmp

Filesize
304KB

Download
memory/4476-52-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-40-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-54-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-58-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-50-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-48-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-46-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-44-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-39-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-56-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-67-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/4476-69-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/4476-60-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-62-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-65-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-66-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-42-0x0000000002530000-0x0000000002542000-memory.dmp

Filesize
72KB

Download
memory/4476-38-0x0000000002530000-0x0000000002548000-memory.dmp

Filesize
96KB

Download
memory/4476-37-0x0000000004DD0000-0x0000000005374000-memory.dmp

Filesize
5.6MB

Download
memory/4476-36-0x0000000002500000-0x000000000251A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads