healer | 4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685

General

Target

4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe
Size

483KB
MD5

670ebd0a9be52156b4d578cff43dd0b8
SHA1

f0b58ba5ac193798bdd5a5f0b3d78a81bffc5cd0
SHA256

4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685
SHA512

75156f6e41fb75afc90e5992cd52e6ce30c6b7618832e83ea87a0bcf15fba12426b9d7d2077d6f09516e4d9fd827ba2a5aef90cc144e34067fe70761a4114b2b
SSDEEP

12288:nMr1y901iBea/5+YESM2UmEsKtdK+d9RSdDHPE3b/0UM:qy9Qg55nlFtKt7MNscP

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/0x000b000000023b7f-12.dat	healer
behavioral1/memory/1760-15-0x0000000000180000-0x000000000018A000-memory.dmp	healer
behavioral1/memory/4992-22-0x0000000002590000-0x00000000025AA000-memory.dmp	healer
behavioral1/memory/4992-24-0x0000000002900000-0x0000000002918000-memory.dmp	healer
behavioral1/memory/4992-32-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-52-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-50-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-49-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-46-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-44-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-42-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-40-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-25-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-38-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-36-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-34-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-30-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-28-0x0000000002900000-0x0000000002912000-memory.dmp	healer
behavioral1/memory/4992-26-0x0000000002900000-0x0000000002912000-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"	dLf75Rk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dLf75Rk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eLJ15kN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eLJ15kN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dLf75Rk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dLf75Rk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dLf75Rk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dLf75Rk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eLJ15kN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eLJ15kN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eLJ15kN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eLJ15kN.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/0x000a000000023b7d-57.dat	family_redline
behavioral1/memory/4760-59-0x0000000000610000-0x0000000000642000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2040	nts03mv74.exe
1760	dLf75Rk.exe
4992	eLJ15kN.exe
4760	fZh67fL.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\Microsoft\Windows Defender\Features\TamperProtection = "0"	dLf75Rk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eLJ15kN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eLJ15kN.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\\\""	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.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\\\""	nts03mv74.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1868	4992	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	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nts03mv74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eLJ15kN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fZh67fL.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1760	dLf75Rk.exe
1760	dLf75Rk.exe
4992	eLJ15kN.exe
4992	eLJ15kN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	dLf75Rk.exe
Token: SeDebugPrivilege	4992	eLJ15kN.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 2040	4520	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe	84
PID 4520 wrote to memory of 2040	4520	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe	84
PID 4520 wrote to memory of 2040	4520	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe	84
PID 2040 wrote to memory of 1760	2040	nts03mv74.exe	85
PID 2040 wrote to memory of 1760	2040	nts03mv74.exe	85
PID 2040 wrote to memory of 4992	2040	nts03mv74.exe	96
PID 2040 wrote to memory of 4992	2040	nts03mv74.exe	96
PID 2040 wrote to memory of 4992	2040	nts03mv74.exe	96
PID 4520 wrote to memory of 4760	4520	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe	101
PID 4520 wrote to memory of 4760	4520	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe	101
PID 4520 wrote to memory of 4760	4520	4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe	101

C:\Users\Admin\AppData\Local\Temp\4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe
"C:\Users\Admin\AppData\Local\Temp\4c5e5a1d98da843a445b953292f040c7801c54f7bc8a9456041ccc4b1b8d0685.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nts03mv74.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nts03mv74.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dLf75Rk.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dLf75Rk.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1760
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLJ15kN.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLJ15kN.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:4992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 1080
      4⤵
      Program crash
      PID:1868
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fZh67fL.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fZh67fL.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4992 -ip 4992
1⤵
PID:5084

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\fZh67fL.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nts03mv74.exe

Filesize
338KB

MD5
c6281bc1cd8273840222e387f8d830f6

SHA1
170917caa224acb271b75a34d2505c0176ef2f11

SHA256
a70bbaa903017e32c65a6225a4ccbc1918550b7d48e7bb58258b9d37a62c8310

SHA512
c56717ad1c95b6d194d7bb09de324ec6969052fd0c7b4223e9a6bf969339ba3eb94064f5e67a582d86cbfad4492d96bae789497b75fa0bbe56d366f018fc1e80

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dLf75Rk.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLJ15kN.exe

Filesize
249KB

MD5
e1c40efa8fa9e97504421e6fc9a8a0f5

SHA1
0259f2774737103d727f828caececf7b77623bd3

SHA256
3b82f13ce9d367f687a2f1646273697c31741a52e0bd4784107afe3a938ce698

SHA512
12cee7a790a19f70d1c75885098594840bf4dbef7da1a024f938363064db5ad498e030587f72d3e9e783a40695dd16a04777adee7ea9f3988fb2b50fa14694ec

Download Submit
memory/1760-14-0x00007FFCBC923000-0x00007FFCBC925000-memory.dmp

Filesize
8KB

Download
memory/1760-15-0x0000000000180000-0x000000000018A000-memory.dmp

Filesize
40KB

Download
memory/1760-16-0x00007FFCBC923000-0x00007FFCBC925000-memory.dmp

Filesize
8KB

Download
memory/4760-64-0x0000000005200000-0x000000000524C000-memory.dmp

Filesize
304KB

Download
memory/4760-62-0x0000000005020000-0x0000000005032000-memory.dmp

Filesize
72KB

Download
memory/4760-61-0x00000000050F0000-0x00000000051FA000-memory.dmp

Filesize
1.0MB

Download
memory/4760-60-0x00000000055B0000-0x0000000005BC8000-memory.dmp

Filesize
6.1MB

Download
memory/4760-59-0x0000000000610000-0x0000000000642000-memory.dmp

Filesize
200KB

Download
memory/4760-63-0x00000000050A0000-0x00000000050DC000-memory.dmp

Filesize
240KB

Download
memory/4992-40-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-28-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-42-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-46-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-25-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-38-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-36-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-34-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-30-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-44-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-26-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-54-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/4992-49-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-50-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-52-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-32-0x0000000002900000-0x0000000002912000-memory.dmp

Filesize
72KB

Download
memory/4992-24-0x0000000002900000-0x0000000002918000-memory.dmp

Filesize
96KB

Download
memory/4992-23-0x0000000004EB0000-0x0000000005454000-memory.dmp

Filesize
5.6MB

Download
memory/4992-22-0x0000000002590000-0x00000000025AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads