healer | 44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999

General

Target

44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe
Size

483KB
MD5

fd80e69225e9f4968aeccd928cf70657
SHA1

2d1c3cf9f27ebf7f2f91fedbc6f73779ce737e5f
SHA256

44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999
SHA512

3d96ca240d67854887581138f1ee9e7d760aa6b9e86c2bac654c2bd3f03a4730590404eeafbe290e2f3bb73e84492bbf7f8513549609e52c428e8220edd9a173
SSDEEP

12288:7Mrny90FbQxh6DVhDScvjvy5UUmEsKtd7+49RSdDoPETF:oycUx6VdSUa5UFtKtMbN1

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/0x000b000000023b7a-12.dat	healer
behavioral1/memory/3236-15-0x0000000000FB0000-0x0000000000FBA000-memory.dmp	healer
behavioral1/memory/4812-22-0x00000000026D0000-0x00000000026EA000-memory.dmp	healer
behavioral1/memory/4812-24-0x0000000002730000-0x0000000002748000-memory.dmp	healer
behavioral1/memory/4812-25-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-32-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-52-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-50-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-48-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-46-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-44-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-42-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-40-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-38-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-36-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-34-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-30-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-28-0x0000000002730000-0x0000000002742000-memory.dmp	healer
behavioral1/memory/4812-26-0x0000000002730000-0x0000000002742000-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\DisableOnAccessProtection = "1"	dFX60Rq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dFX60Rq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	ewk81nU.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dFX60Rq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dFX60Rq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dFX60Rq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dFX60Rq.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/0x000a000000023b78-57.dat	family_redline
behavioral1/memory/1588-59-0x0000000000A50000-0x0000000000A82000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4312	nqC51Gn17.exe
3236	dFX60Rq.exe
4812	ewk81nU.exe
1588	fSU98LD.exe

Windows security modification 2 TTPs 3 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	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ewk81nU.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dFX60Rq.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\\\""	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.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\\\""	nqC51Gn17.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2012	4812	WerFault.exe	93

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	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nqC51Gn17.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ewk81nU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fSU98LD.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3236	dFX60Rq.exe
3236	dFX60Rq.exe
4812	ewk81nU.exe
4812	ewk81nU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3236	dFX60Rq.exe
Token: SeDebugPrivilege	4812	ewk81nU.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4312	2112	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe	84
PID 2112 wrote to memory of 4312	2112	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe	84
PID 2112 wrote to memory of 4312	2112	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe	84
PID 4312 wrote to memory of 3236	4312	nqC51Gn17.exe	85
PID 4312 wrote to memory of 3236	4312	nqC51Gn17.exe	85
PID 4312 wrote to memory of 4812	4312	nqC51Gn17.exe	93
PID 4312 wrote to memory of 4812	4312	nqC51Gn17.exe	93
PID 4312 wrote to memory of 4812	4312	nqC51Gn17.exe	93
PID 2112 wrote to memory of 1588	2112	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe	97
PID 2112 wrote to memory of 1588	2112	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe	97
PID 2112 wrote to memory of 1588	2112	44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe	97

C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe
"C:\Users\Admin\AppData\Local\Temp\44fbb719e0fd0dc21dbb638954cfda3892a85558b519e8d82b1c8ad668c75999.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4312
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3236
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.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:4812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1112
      4⤵
      Program crash
      PID:2012
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSU98LD.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4812 -ip 4812
1⤵
PID:456

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\fSU98LD.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nqC51Gn17.exe

Filesize
338KB

MD5
0aa9d6ad82f7c5a0133ef6937ba9e04c

SHA1
e25d54f3dc622bee22fac4c2bf3e2b38ec9675d4

SHA256
a5c3697a67dbfd36e8fa12589ce822fe3ce152325cc481e3adaa6fb8082e6a92

SHA512
a1b6b18ac0a3568c74d495e0dfd8b384f440a04ae8ea1108a144c1407d2d8a3056e5e93ca65c3b8f449f6340fbe031f0357dfe68f5422a32fd35de063d160bab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dFX60Rq.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ewk81nU.exe

Filesize
249KB

MD5
e1c40efa8fa9e97504421e6fc9a8a0f5

SHA1
0259f2774737103d727f828caececf7b77623bd3

SHA256
3b82f13ce9d367f687a2f1646273697c31741a52e0bd4784107afe3a938ce698

SHA512
12cee7a790a19f70d1c75885098594840bf4dbef7da1a024f938363064db5ad498e030587f72d3e9e783a40695dd16a04777adee7ea9f3988fb2b50fa14694ec

Download Submit
memory/1588-61-0x0000000005530000-0x000000000563A000-memory.dmp

Filesize
1.0MB

Download
memory/1588-64-0x0000000005640000-0x000000000568C000-memory.dmp

Filesize
304KB

Download
memory/1588-63-0x00000000054C0000-0x00000000054FC000-memory.dmp

Filesize
240KB

Download
memory/1588-62-0x0000000005460000-0x0000000005472000-memory.dmp

Filesize
72KB

Download
memory/1588-60-0x00000000059D0000-0x0000000005FE8000-memory.dmp

Filesize
6.1MB

Download
memory/1588-59-0x0000000000A50000-0x0000000000A82000-memory.dmp

Filesize
200KB

Download
memory/3236-16-0x00007FFF96073000-0x00007FFF96075000-memory.dmp

Filesize
8KB

Download
memory/3236-15-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

Filesize
40KB

Download
memory/3236-14-0x00007FFF96073000-0x00007FFF96075000-memory.dmp

Filesize
8KB

Download
memory/4812-42-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-28-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-44-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-48-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-40-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-38-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-36-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-34-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-30-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-46-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-26-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-53-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/4812-55-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/4812-50-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-52-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-32-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-25-0x0000000002730000-0x0000000002742000-memory.dmp

Filesize
72KB

Download
memory/4812-24-0x0000000002730000-0x0000000002748000-memory.dmp

Filesize
96KB

Download
memory/4812-23-0x0000000004E80000-0x0000000005424000-memory.dmp

Filesize
5.6MB

Download
memory/4812-22-0x00000000026D0000-0x00000000026EA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads