healer | a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418

General

Target

a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe
Size

482KB
MD5

b44eb25179942ac9daa1c6cd0bce443f
SHA1

9c1bbae464c5c2eb5560ec245da7bcb3f5c23da8
SHA256

a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418
SHA512

a19a5b433fdcfe2b88378b923b5dd0c8a8b889304a3d46e085d64e116adee300cddd208ed13201388e1d28b19a3c4839c654b59350326cdb4cc4ca4d3dd664a7
SSDEEP

12288:FMrOy90oE2VpiRmHG8WLOQjeX/C43zEJHGWrqJp/6X0:DyJjVURmm7OoS6OzERcp/f

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/0x0008000000023c94-12.dat	healer
behavioral1/memory/3896-15-0x00000000003F0000-0x00000000003FA000-memory.dmp	healer
behavioral1/memory/4680-22-0x0000000002570000-0x000000000258A000-memory.dmp	healer
behavioral1/memory/4680-24-0x0000000004C40000-0x0000000004C58000-memory.dmp	healer
behavioral1/memory/4680-25-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-32-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-50-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-49-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-47-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-44-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-42-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-40-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-38-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-36-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-35-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-30-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-28-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-26-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4680-52-0x0000000004C40000-0x0000000004C52000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dFw58qP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dFw58qP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dFw58qP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dFw58qP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	ezw45Bx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ezw45Bx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	ezw45Bx.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dFw58qP.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ezw45Bx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ezw45Bx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	ezw45Bx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dFw58qP.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/0x0007000000023c92-57.dat	family_redline
behavioral1/memory/1104-59-0x0000000000CA0000-0x0000000000CD2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3480	nZt07sP35.exe
3896	dFw58qP.exe
4680	ezw45Bx.exe
1104	fbA12Wf.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"	ezw45Bx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dFw58qP.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	ezw45Bx.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\\\""	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.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\\\""	nZt07sP35.exe

Launches sc.exe 1 IoCs

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

pid	Process
3076	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1784	4680	WerFault.exe	96

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	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nZt07sP35.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ezw45Bx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbA12Wf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3896	dFw58qP.exe
3896	dFw58qP.exe
4680	ezw45Bx.exe
4680	ezw45Bx.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3896	dFw58qP.exe
Token: SeDebugPrivilege	4680	ezw45Bx.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 3480	3872	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe	83
PID 3872 wrote to memory of 3480	3872	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe	83
PID 3872 wrote to memory of 3480	3872	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe	83
PID 3480 wrote to memory of 3896	3480	nZt07sP35.exe	84
PID 3480 wrote to memory of 3896	3480	nZt07sP35.exe	84
PID 3480 wrote to memory of 4680	3480	nZt07sP35.exe	96
PID 3480 wrote to memory of 4680	3480	nZt07sP35.exe	96
PID 3480 wrote to memory of 4680	3480	nZt07sP35.exe	96
PID 3872 wrote to memory of 1104	3872	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe	101
PID 3872 wrote to memory of 1104	3872	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe	101
PID 3872 wrote to memory of 1104	3872	a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe	101

C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe
"C:\Users\Admin\AppData\Local\Temp\a3e5f7b88a067f5047bdc35bc49aa1ee66f02e1641819c0aa46e7110e17c6418.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3480
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3896
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.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:4680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1064
      4⤵
      Program crash
      PID:1784
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbA12Wf.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4680 -ip 4680
1⤵
PID:512

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:3076

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\fbA12Wf.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZt07sP35.exe

Filesize
337KB

MD5
618779305fafa6f0ca26bbc8fde6c294

SHA1
3a1cd298adb757deeb079cc7853965e069a5b8f5

SHA256
d0db70e85b7eabbd24b7c8fb32831bd0aa2637fe309dc6203f1a805617a9b563

SHA512
7579f162b26632e5fb36469e90c2576daeadc2555e2acf6972f34752a9145c0a3e24cae857410d12f25f4b49043a82fd8dcd7bb3314687d01cfe0fcd585d04d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFw58qP.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ezw45Bx.exe

Filesize
246KB

MD5
5689d82e0bb0b6c738220f0e2d50f757

SHA1
1f1c0b8fceb6cb706866f2e32338a661af642e24

SHA256
7cb1ef101075ff5d838a237ac29decc694606f34c102e4ec189b2f47780b60dd

SHA512
dc16bef6fc2aee37df075e0db1e278889d6228d6979d2f680a88286fb6f90bf77249871cf9db4746e343f3ae4672d518873732ed04aedb3e5ea9947bbeb6f96b

Download Submit
memory/1104-61-0x0000000005640000-0x000000000574A000-memory.dmp

Filesize
1.0MB

Download
memory/1104-64-0x0000000005750000-0x000000000579C000-memory.dmp

Filesize
304KB

Download
memory/1104-63-0x00000000055D0000-0x000000000560C000-memory.dmp

Filesize
240KB

Download
memory/1104-62-0x0000000005570000-0x0000000005582000-memory.dmp

Filesize
72KB

Download
memory/1104-60-0x0000000005B40000-0x0000000006158000-memory.dmp

Filesize
6.1MB

Download
memory/1104-59-0x0000000000CA0000-0x0000000000CD2000-memory.dmp

Filesize
200KB

Download
memory/3896-16-0x00007FFA0FE23000-0x00007FFA0FE25000-memory.dmp

Filesize
8KB

Download
memory/3896-15-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/3896-14-0x00007FFA0FE23000-0x00007FFA0FE25000-memory.dmp

Filesize
8KB

Download
memory/4680-40-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-26-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-42-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-47-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-38-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-35-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-30-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-28-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-44-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-52-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-53-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/4680-55-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/4680-49-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-50-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-25-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4680-24-0x0000000004C40000-0x0000000004C58000-memory.dmp

Filesize
96KB

Download
memory/4680-23-0x0000000004CE0000-0x0000000005284000-memory.dmp

Filesize
5.6MB

Download
memory/4680-22-0x0000000002570000-0x000000000258A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads