healer | e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb

General

Target

e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe
Size

1.5MB
MD5

12d00d559fe34bc29ae0298f27807496
SHA1

85f78338dadce412bcb9a1f561d95c491d59bcd0
SHA256

e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb
SHA512

90d9436d5a3be3de22c516593336b9dfb3a0af7325687f97b503156e6a4610ba3b1d239f5f713bf3f6dd7e376fa071092b319420a6588a8a53555229b98f2e67
SSDEEP

24576:RyHatdiE0bVaKbhC3lsvp64fCkD4r0l0vESPltpPfS2beFNWhKJHF6xjE:E6tab34aB35CBE4ljPdeFNWh+Hcj

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/4560-36-0x0000000002600000-0x000000000261A000-memory.dmp	healer
behavioral1/memory/4560-38-0x00000000027C0000-0x00000000027D8000-memory.dmp	healer
behavioral1/memory/4560-65-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-66-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-62-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-61-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-58-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-56-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-54-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-52-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-50-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-48-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-47-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-44-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-42-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-40-0x00000000027C0000-0x00000000027D2000-memory.dmp	healer
behavioral1/memory/4560-39-0x00000000027C0000-0x00000000027D2000-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\DisableRealtimeMonitoring = "1"	a9642202.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a9642202.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a9642202.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a9642202.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a9642202.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a9642202.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/0x000a000000023b94-71.dat	family_redline
behavioral1/memory/528-73-0x0000000000770000-0x00000000007A0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 6 IoCs

pid	Process
4028	v1635472.exe
852	v4796944.exe
4388	v8184205.exe
4200	v3998879.exe
4560	a9642202.exe
528	b7002060.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a9642202.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a9642202.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_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	v8184205.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\\\""	v3998879.exe
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\\\""	e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.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\\\""	v1635472.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\\\""	v4796944.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
648	4560	WerFault.exe	89

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	b7002060.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v1635472.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v4796944.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v8184205.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3998879.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9642202.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4560	a9642202.exe
4560	a9642202.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	a9642202.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 4028	4420	e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe	84
PID 4420 wrote to memory of 4028	4420	e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe	84
PID 4420 wrote to memory of 4028	4420	e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe	84
PID 4028 wrote to memory of 852	4028	v1635472.exe	85
PID 4028 wrote to memory of 852	4028	v1635472.exe	85
PID 4028 wrote to memory of 852	4028	v1635472.exe	85
PID 852 wrote to memory of 4388	852	v4796944.exe	87
PID 852 wrote to memory of 4388	852	v4796944.exe	87
PID 852 wrote to memory of 4388	852	v4796944.exe	87
PID 4388 wrote to memory of 4200	4388	v8184205.exe	88
PID 4388 wrote to memory of 4200	4388	v8184205.exe	88
PID 4388 wrote to memory of 4200	4388	v8184205.exe	88
PID 4200 wrote to memory of 4560	4200	v3998879.exe	89
PID 4200 wrote to memory of 4560	4200	v3998879.exe	89
PID 4200 wrote to memory of 4560	4200	v3998879.exe	89
PID 4200 wrote to memory of 528	4200	v3998879.exe	101
PID 4200 wrote to memory of 528	4200	v3998879.exe	101
PID 4200 wrote to memory of 528	4200	v3998879.exe	101

C:\Users\Admin\AppData\Local\Temp\e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe
"C:\Users\Admin\AppData\Local\Temp\e76f448e5df1bb893e3bf541568f0a97c357479b2fe29a59c53ef5cb04e30cfb.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1635472.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1635472.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4796944.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4796944.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:852
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8184205.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8184205.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4388
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v3998879.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v3998879.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4200
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a9642202.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a9642202.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:4560
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 1100
        7⤵
        Program crash
        
        PID:648
      - C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b7002060.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b7002060.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4560 -ip 4560
1⤵
PID:4072

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\v1635472.exe

Filesize
1.4MB

MD5
50297b7bd4331cb4aa3c3febdd68048c

SHA1
07a05240a734a44b35b60352c832fcf5002e9db5

SHA256
ab2e04464990ce6f74162eb549ac8c35a84a6f414039a506ab5fe326d036a0cd

SHA512
de036738effcfde9cc906e1a7f3793ccb964d2a165045fe2a271304664a8ef1f57e4dc32ec527180cec4d1689fa127e2c72507d84a02bb10aefed9a4971b8162

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4796944.exe

Filesize
912KB

MD5
74bf728cbdc6aef70295931632f0ac04

SHA1
c694d28b3d39b88822453ed8dfc113cdd164b6e6

SHA256
8040e51d443a220e5612143e7d6d0df60c0e3cd4972efc890e52e4435b58b44b

SHA512
a2761f6173d01a4e434dafd5bc8db5f3bb8c9c5d168e5a1c7b21de30b554def4a409f5660e0808acd6e94d4198a3ef8581f6b055e9cb27603ceb601b06863367

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8184205.exe

Filesize
707KB

MD5
f8d67b75257d8901a2e72f99cf1d19e0

SHA1
bc8c39a6c38a2840b8889ba735444695a76a14cf

SHA256
5c4ea94ec69ded5c8017f6b5edb9bd66699c315a3d1218b70806abaed81de0a2

SHA512
745606309fb351c7240d01f3db5d17c6a455c7d22625c4fb5d1d03a80566f402e9eb3ee62e48d5cd4c44eddd7904e79a84fe989b3447d5e81b0837641d7aba03

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v3998879.exe

Filesize
415KB

MD5
a18a545fa7222736d1ad270f4ce06a74

SHA1
5dd93bb9370cb6958d0c67114c28125ac2ace44c

SHA256
34436a063b7c87774e3355ed62d93077d89c8275a6dc6eba657d7a1d5d7cc051

SHA512
ee4b3dc5b4fed364a460e961dc14d928603669ebde8f332274b98719bf450a9f960fe248997908427e80a7862fda13ff68934559fb8a83db679e88ff3241f97e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a9642202.exe

Filesize
361KB

MD5
a7432bb32c7c68107cb051b5564f9ab9

SHA1
2b9868d17ec3ca785fc8faf0fb24e355b78fe0d3

SHA256
f6c70223e73fbc7f4e613b74f80d109d4a25441aae385b95d2726a5bf5b873fa

SHA512
813a1593a1ef85dc6c9e34e21aa23decdbe2e3756ae921a95fc90eb288a689d484ef357d44efb6773a121bdee971cbdd8f8e6502fd86b7a1bbf44f7b78a063a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b7002060.exe

Filesize
168KB

MD5
34a764077c52724c1444cf387b7f73a2

SHA1
6b23306422fdcde6a9cd26b5f66283fee5478028

SHA256
0c5987935903e2b2d8f47419b72bbcfe554d6ff62bb170361b5751e9104756ef

SHA512
e285487c9ae7917fe300b03d77a0f1cdc5baec6794b7702221ea76d2c7fa4fb35aa9493c226b0560a67c2266c9f1009b1941324eab8d494979994f97455fa329

Download Submit
memory/528-78-0x000000000A6B0000-0x000000000A6EC000-memory.dmp

Filesize
240KB

Download
memory/528-77-0x000000000A650000-0x000000000A662000-memory.dmp

Filesize
72KB

Download
memory/528-76-0x000000000A720000-0x000000000A82A000-memory.dmp

Filesize
1.0MB

Download
memory/528-75-0x000000000ABA0000-0x000000000B1B8000-memory.dmp

Filesize
6.1MB

Download
memory/528-74-0x0000000002820000-0x0000000002826000-memory.dmp

Filesize
24KB

Download
memory/528-73-0x0000000000770000-0x00000000007A0000-memory.dmp

Filesize
192KB

Download
memory/528-79-0x0000000004960000-0x00000000049AC000-memory.dmp

Filesize
304KB

Download
memory/4560-50-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-39-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-52-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-56-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-48-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-47-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-44-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-42-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-40-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-54-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-67-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/4560-69-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/4560-58-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-61-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-62-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-66-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-65-0x00000000027C0000-0x00000000027D2000-memory.dmp

Filesize
72KB

Download
memory/4560-38-0x00000000027C0000-0x00000000027D8000-memory.dmp

Filesize
96KB

Download
memory/4560-37-0x0000000005130000-0x00000000056D4000-memory.dmp

Filesize
5.6MB

Download
memory/4560-36-0x0000000002600000-0x000000000261A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads