healer | a35e831486eb90a6e8c2569593763522608d86385f6cd218ac2fca11fe9cc2c1

General

Target

4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe
Size

379KB
MD5

2d028131d4cadc760481029f1c3f25c9
SHA1

eff7a413fa90b9bae013369f130ec8ccd5598913
SHA256

a35e831486eb90a6e8c2569593763522608d86385f6cd218ac2fca11fe9cc2c1
SHA512

656d37338793fb2c0fbb1227b171f67aa0e78e54134524895301062b46cd0f840c2dd9189cfd5135aca899cd64087588b39fcaf8350d28e4ab41c3fffafaef23
SSDEEP

6144:Kty+bnr+3p0yN90QEDlQMx85fGVHhr8iDRXpm4Ec2fZH6XfFdC1FXG:XMrvy90fQMBVHhtFZQRHcF81FXG

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/2276-12-0x00000000022C0000-0x00000000022DA000-memory.dmp	healer
behavioral1/memory/2276-14-0x0000000004B00000-0x0000000004B18000-memory.dmp	healer
behavioral1/memory/2276-15-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-22-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-42-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-40-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-38-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-34-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-32-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-30-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-28-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-26-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-25-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-20-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-18-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-16-0x0000000004B00000-0x0000000004B12000-memory.dmp	healer
behavioral1/memory/2276-37-0x0000000004B00000-0x0000000004B12000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	mmN43Zw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mmN43Zw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mmN43Zw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mmN43Zw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mmN43Zw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mmN43Zw.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/0x000a000000023b74-52.dat	family_redline
behavioral1/memory/764-54-0x0000000000DC0000-0x0000000000DF2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2276	mmN43Zw.exe
764	nnB05jr.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	mmN43Zw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	mmN43Zw.exe

Adds Run key to start application 2 TTPs 1 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\\\""	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
744	2276	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 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	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mmN43Zw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nnB05jr.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2276	mmN43Zw.exe
2276	mmN43Zw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	mmN43Zw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 2276	4672	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe	83
PID 4672 wrote to memory of 2276	4672	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe	83
PID 4672 wrote to memory of 2276	4672	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe	83
PID 4672 wrote to memory of 764	4672	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe	102
PID 4672 wrote to memory of 764	4672	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe	102
PID 4672 wrote to memory of 764	4672	4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe	102

C:\Users\Admin\AppData\Local\Temp\4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe
"C:\Users\Admin\AppData\Local\Temp\4f4daed91469aa415d2316bf892f3ead683b32cf794e9eb1bcbed0fa0180ce52N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mmN43Zw.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mmN43Zw.exe
  2⤵
  - 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:2276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 1084
    3⤵
    - Program crash
    PID:744
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnB05jr.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnB05jr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2276 -ip 2276
1⤵
PID:4276

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\mmN43Zw.exe

Filesize
245KB

MD5
bbcaab6d431de6d63e20ec7a085b0526

SHA1
e5bb15ef7458b516b37602649498b3d13c4df67d

SHA256
e0bd77d953de9c400b8338ca69f2aeb4eadfae945c75081b3c61fcc23ede76ee

SHA512
4f9ba138d9b458bb24907b2873a5eb0648858a60c0afac97c7b41adc2a3033d12037770b8d266ec8e2fb821dc8dcefc65c7150af534110e407a9cc672e317ac8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nnB05jr.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
memory/764-60-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/764-59-0x0000000005870000-0x00000000058BC000-memory.dmp

Filesize
304KB

Download
memory/764-58-0x0000000005700000-0x000000000573C000-memory.dmp

Filesize
240KB

Download
memory/764-57-0x0000000005690000-0x00000000056A2000-memory.dmp

Filesize
72KB

Download
memory/764-56-0x0000000005760000-0x000000000586A000-memory.dmp

Filesize
1.0MB

Download
memory/764-55-0x0000000005BE0000-0x00000000061F8000-memory.dmp

Filesize
6.1MB

Download
memory/764-53-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/764-54-0x0000000000DC0000-0x0000000000DF2000-memory.dmp

Filesize
200KB

Download
memory/2276-25-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-43-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/2276-38-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-34-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-32-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-30-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-28-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-26-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-42-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-20-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-18-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-16-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-37-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-40-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-44-0x0000000000670000-0x000000000069D000-memory.dmp

Filesize
180KB

Download
memory/2276-46-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2276-49-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2276-48-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/2276-22-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-15-0x0000000004B00000-0x0000000004B12000-memory.dmp

Filesize
72KB

Download
memory/2276-14-0x0000000004B00000-0x0000000004B18000-memory.dmp

Filesize
96KB

Download
memory/2276-13-0x0000000004B60000-0x0000000005104000-memory.dmp

Filesize
5.6MB

Download
memory/2276-12-0x00000000022C0000-0x00000000022DA000-memory.dmp

Filesize
104KB

Download
memory/2276-11-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/2276-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2276-9-0x0000000000670000-0x000000000069D000-memory.dmp

Filesize
180KB

Download
memory/2276-8-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads