healer | d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613

General

Target

d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe
Size

481KB
MD5

d9625ba7eb7d65626571132128840243
SHA1

8ab1a484548cc53215d680550cf579d53713d1c9
SHA256

d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613
SHA512

b1359789086b2623e29bebf1443588e46e16e3eee179fee312ced057030140ecf67e9866cf91cd3b1daec22732ad0e3febfb79519be99f8304d17b3bc8e70fc6
SSDEEP

12288:5Mr4y90R3ji9JB9/XYihLe7sj6RUksf717:ByY3jYJb/tLekNp7

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/0x000b000000023b66-12.dat	healer
behavioral1/memory/1676-15-0x0000000000090000-0x000000000009A000-memory.dmp	healer
behavioral1/memory/808-22-0x00000000025D0000-0x00000000025EA000-memory.dmp	healer
behavioral1/memory/808-24-0x00000000026C0000-0x00000000026D8000-memory.dmp	healer
behavioral1/memory/808-52-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-51-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-48-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-46-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-44-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-42-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-41-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-38-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-36-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-34-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-32-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-31-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-26-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-28-0x00000000026C0000-0x00000000026D2000-memory.dmp	healer
behavioral1/memory/808-25-0x00000000026C0000-0x00000000026D2000-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"	dzl52oA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dzl52oA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eYN64Xl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eYN64Xl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eYN64Xl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dzl52oA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dzl52oA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dzl52oA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dzl52oA.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eYN64Xl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eYN64Xl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eYN64Xl.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/0x000a000000023b64-58.dat	family_redline
behavioral1/memory/3488-59-0x0000000000D70000-0x0000000000DA2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
968	nKm18ol24.exe
1676	dzl52oA.exe
808	eYN64Xl.exe
3488	fzV48fO.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"	dzl52oA.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eYN64Xl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eYN64Xl.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\\\""	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.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\\\""	nKm18ol24.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3540	808	WerFault.exe	95

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	eYN64Xl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fzV48fO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nKm18ol24.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1676	dzl52oA.exe
1676	dzl52oA.exe
808	eYN64Xl.exe
808	eYN64Xl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1676	dzl52oA.exe
Token: SeDebugPrivilege	808	eYN64Xl.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 968	3616	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe	84
PID 3616 wrote to memory of 968	3616	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe	84
PID 3616 wrote to memory of 968	3616	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe	84
PID 968 wrote to memory of 1676	968	nKm18ol24.exe	85
PID 968 wrote to memory of 1676	968	nKm18ol24.exe	85
PID 968 wrote to memory of 808	968	nKm18ol24.exe	95
PID 968 wrote to memory of 808	968	nKm18ol24.exe	95
PID 968 wrote to memory of 808	968	nKm18ol24.exe	95
PID 3616 wrote to memory of 3488	3616	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe	100
PID 3616 wrote to memory of 3488	3616	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe	100
PID 3616 wrote to memory of 3488	3616	d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe	100

C:\Users\Admin\AppData\Local\Temp\d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe
"C:\Users\Admin\AppData\Local\Temp\d4363afc137ddeec5aa19848294a454c9a6e0133fb5bb6c8eccc882c85c9a613.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKm18ol24.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKm18ol24.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzl52oA.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzl52oA.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1676
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYN64Xl.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYN64Xl.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:808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 1088
      4⤵
      Program crash
      PID:3540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fzV48fO.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fzV48fO.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 808 -ip 808
1⤵
PID:64

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\fzV48fO.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKm18ol24.exe

Filesize
336KB

MD5
b053a21fdc5d8badfc4b66603df3a7bb

SHA1
46be4ef77342f2eda508186897168e32a1072342

SHA256
c8df40369206f06d1e24cdea84ad32080cdb5abda569d87726ad375df99e3f2d

SHA512
6f51d147d938742762ceb6377b473c54e163aa3b80a31d6f41c9d4aa66f633fe0d55575d4e7227e1b285649a143d7c6c43812086aa91aee3d445cdc326a19601

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dzl52oA.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYN64Xl.exe

Filesize
246KB

MD5
74111f0699a5f65cdfb559f2af78154c

SHA1
58376a31374ab99c61fdef725bebb226d492fc04

SHA256
dfe07e9dd1c71fdcfda38e19a37447ad61a65764d51dca2bccecc31e73d914df

SHA512
0490a7d5ca1e56998a38022dc55e4ec730aa9f160bd85c8e16e44488fca04e7652ac2024c36e8c15e6de4f3128dbdfc0b0364ca472fe2b6beb51fde3884b8562

Download Submit
memory/808-38-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-32-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-22-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download
memory/808-23-0x0000000004C60000-0x0000000005204000-memory.dmp

Filesize
5.6MB

Download
memory/808-24-0x00000000026C0000-0x00000000026D8000-memory.dmp

Filesize
96KB

Download
memory/808-52-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-51-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-48-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-46-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-44-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-42-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-41-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-55-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/808-36-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-34-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-53-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/808-31-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-26-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-28-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/808-25-0x00000000026C0000-0x00000000026D2000-memory.dmp

Filesize
72KB

Download
memory/1676-16-0x00007FFCD4C03000-0x00007FFCD4C05000-memory.dmp

Filesize
8KB

Download
memory/1676-15-0x0000000000090000-0x000000000009A000-memory.dmp

Filesize
40KB

Download
memory/1676-14-0x00007FFCD4C03000-0x00007FFCD4C05000-memory.dmp

Filesize
8KB

Download
memory/3488-59-0x0000000000D70000-0x0000000000DA2000-memory.dmp

Filesize
200KB

Download
memory/3488-60-0x0000000005BA0000-0x00000000061B8000-memory.dmp

Filesize
6.1MB

Download
memory/3488-61-0x0000000005710000-0x000000000581A000-memory.dmp

Filesize
1.0MB

Download
memory/3488-62-0x0000000005640000-0x0000000005652000-memory.dmp

Filesize
72KB

Download
memory/3488-63-0x00000000056A0000-0x00000000056DC000-memory.dmp

Filesize
240KB

Download
memory/3488-64-0x0000000005820000-0x000000000586C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads