healer | 70d8c9b6b1ca04dfb10ea4cb4a723d0667023cb50f25b9eb1ca9f06bdaad4a07

Analysis

max time kernel
13s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 21:16

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General

Target

WEXTRACT1.exe
Size

1.3MB
MD5

8f79c16f1de3e05ee0c368cc72bed63f
SHA1

f3698f5230e09c093044e73b655fd69e25b9c3cb
SHA256

70d8c9b6b1ca04dfb10ea4cb4a723d0667023cb50f25b9eb1ca9f06bdaad4a07
SHA512

7d9053ae99a64fa974a80e7c0652faed3882d4a603aa45c1126cb51d5752c24748aaea67de66075b00c2a71720f18618316065a119a64fa1411109e2acad0bb3
SSDEEP

24576:2yrEsfi12+2waRpCZdVyNlQYRbtXcjqlfi1JoCq:FdY2hpCZdJ6bGGfi1

Score

10^/10

healer redline maza dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

maza

185.161.248.73:4164

Attributes

auth_value
474d54c1c2f5291290c53f8378acd684

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral2/memory/1988-37-0x0000000002A80000-0x0000000002A98000-memory.dmp	healer
behavioral2/memory/1988-57-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-65-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-63-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-61-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-59-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-55-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-53-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-51-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-49-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-47-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-45-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-43-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-41-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-39-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-38-0x0000000002A80000-0x0000000002A92000-memory.dmp	healer
behavioral2/memory/1988-32-0x0000000002A10000-0x0000000002A2A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper 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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a96780884.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a96780884.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a96780884.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a96780884.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a96780884.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a96780884.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Executes dropped EXE 5 IoCs

pid	Process
3084	i30920317.exe
824	i14658364.exe
3584	i30992395.exe
1988	a96780884.exe
3468	b98853343.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	a96780884.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a96780884.exe

Adds Run key to start application 2 TTPs 4 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\\\""	WEXTRACT1.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\\\""	i30920317.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	i14658364.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	i30992395.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4508	1988	WerFault.exe	19

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1988	a96780884.exe
1988	a96780884.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	a96780884.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 3084	1064	WEXTRACT1.exe	24
PID 1064 wrote to memory of 3084	1064	WEXTRACT1.exe	24
PID 1064 wrote to memory of 3084	1064	WEXTRACT1.exe	24
PID 3084 wrote to memory of 824	3084	i30920317.exe	23
PID 3084 wrote to memory of 824	3084	i30920317.exe	23
PID 3084 wrote to memory of 824	3084	i30920317.exe	23
PID 824 wrote to memory of 3584	824	i14658364.exe	22
PID 824 wrote to memory of 3584	824	i14658364.exe	22
PID 824 wrote to memory of 3584	824	i14658364.exe	22
PID 3584 wrote to memory of 1988	3584	i30992395.exe	19
PID 3584 wrote to memory of 1988	3584	i30992395.exe	19
PID 3584 wrote to memory of 1988	3584	i30992395.exe	19
PID 3584 wrote to memory of 3468	3584	i30992395.exe	102
PID 3584 wrote to memory of 3468	3584	i30992395.exe	102
PID 3584 wrote to memory of 3468	3584	i30992395.exe	102

C:\Users\Admin\AppData\Local\Temp\WEXTRACT1.exe
"C:\Users\Admin\AppData\Local\Temp\WEXTRACT1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i30920317.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i30920317.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3084

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a96780884.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a96780884.exe
1⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1084
  2⤵
  - Program crash
  PID:4508

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i30992395.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i30992395.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b98853343.exe
  C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b98853343.exe
  2⤵
  - Executes dropped EXE
  PID:3468

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i14658364.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i14658364.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1988 -ip 1988
1⤵
PID:1160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i30920317.exe

Filesize
92KB

MD5
0e387a1b83a1cef3f936992924bd79c9

SHA1
a1091142bb0961d7c6dcafa5f2b563f0906b2116

SHA256
8dce592ca8a6790ed74d53993452668e8068a5b0a70dd9004ea7923339238f05

SHA512
37a6de35865d88f971b584d6071add12b76ccab2b8e18a39b05ecb021079a24c4b749cd8f78169c681e672ee5442ce67d912ba76cc908200e84bf4addad29484

Download Submit
memory/1988-41-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-39-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-29-0x0000000000D10000-0x0000000000E10000-memory.dmp

Filesize
1024KB

Download
memory/1988-34-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/1988-35-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/1988-37-0x0000000002A80000-0x0000000002A98000-memory.dmp

Filesize
96KB

Download
memory/1988-36-0x0000000005200000-0x00000000057A4000-memory.dmp

Filesize
5.6MB

Download
memory/1988-57-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-65-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-63-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-61-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-59-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-55-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-70-0x0000000073AC0000-0x0000000074270000-memory.dmp

Filesize
7.7MB

Download
memory/1988-51-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-49-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-47-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-45-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-43-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-31-0x0000000000400000-0x0000000000A67000-memory.dmp

Filesize
6.4MB

Download
memory/1988-53-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-38-0x0000000002A80000-0x0000000002A92000-memory.dmp

Filesize
72KB

Download
memory/1988-33-0x0000000073AC0000-0x0000000074270000-memory.dmp

Filesize
7.7MB

Download
memory/1988-32-0x0000000002A10000-0x0000000002A2A000-memory.dmp

Filesize
104KB

Download
memory/1988-66-0x0000000000D10000-0x0000000000E10000-memory.dmp

Filesize
1024KB

Download
memory/1988-67-0x0000000000400000-0x0000000000A67000-memory.dmp

Filesize
6.4MB

Download
memory/1988-69-0x0000000000400000-0x0000000000A67000-memory.dmp

Filesize
6.4MB

Download
memory/1988-30-0x0000000000BD0000-0x0000000000BFD000-memory.dmp

Filesize
180KB

Download
memory/3468-82-0x0000000005510000-0x000000000555C000-memory.dmp

Filesize
304KB

Download
memory/3468-74-0x00000000009B0000-0x00000000009DE000-memory.dmp

Filesize
184KB

Download
memory/3468-76-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-78-0x0000000005400000-0x000000000550A000-memory.dmp

Filesize
1.0MB

Download
memory/3468-81-0x0000000005390000-0x00000000053CC000-memory.dmp

Filesize
240KB

Download
memory/3468-75-0x0000000005190000-0x0000000005196000-memory.dmp

Filesize
24KB

Download
memory/3468-80-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3468-79-0x0000000005330000-0x0000000005342000-memory.dmp

Filesize
72KB

Download
memory/3468-77-0x0000000005910000-0x0000000005F28000-memory.dmp

Filesize
6.1MB

Download
memory/3468-83-0x0000000073C10000-0x00000000743C0000-memory.dmp

Filesize
7.7MB

Download
memory/3468-84-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download