healer | 8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2024, 22:21

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General

Target

8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe
Size

569KB
MD5

1fe53f9f8e48fda2cf996ab059a81d7f
SHA1

d8d286ce3a9e9f33cbc3b84d2af84c01f0e560ca
SHA256

8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063
SHA512

785b712dcf6a552a7cfb078a2c710d4faae7b3bcf917161e729cbc81a17d722195f2543a43dd179f98d73a1df037d807ed09209f0e8bd34100147969a456b541
SSDEEP

12288:8Mriy90xahimz7AuxqVeQBwi1NRe9MNBsHhU:uyEsVAuxYpwis9Ml

Score

10^/10

healer redline fud discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fud

193.233.20.27:4123

Attributes

auth_value
cddc991efd6918ad5321d80dac884b40

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/4776-12-0x0000000000790000-0x00000000007AA000-memory.dmp	healer
behavioral1/memory/4776-14-0x00000000023E0000-0x00000000023F8000-memory.dmp	healer
behavioral1/memory/4776-15-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-26-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-40-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-38-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-36-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-35-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-32-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-31-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-28-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-25-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-22-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-21-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-19-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-42-0x00000000023E0000-0x00000000023F2000-memory.dmp	healer
behavioral1/memory/4776-16-0x00000000023E0000-0x00000000023F2000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	r2821at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	r2821at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	r2821at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	r2821at.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	r2821at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	r2821at.exe

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

RedLine payload 20 IoCs

resource	yara_rule
behavioral1/memory/4892-57-0x0000000004990000-0x00000000049D6000-memory.dmp	family_redline
behavioral1/memory/4892-58-0x0000000004A50000-0x0000000004A94000-memory.dmp	family_redline
behavioral1/memory/4892-89-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-92-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-90-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-86-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-84-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-80-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-76-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-82-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-78-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-74-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-72-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-70-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-68-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-66-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-64-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-62-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-60-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline
behavioral1/memory/4892-59-0x0000000004A50000-0x0000000004A8E000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4776	r2821at.exe
4892	w48Pj87.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	r2821at.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	r2821at.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\\\""	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1772	4776	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	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	r2821at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	w48Pj87.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4776	r2821at.exe
4776	r2821at.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	r2821at.exe
Token: SeDebugPrivilege	4892	w48Pj87.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 4776	4192	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe	83
PID 4192 wrote to memory of 4776	4192	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe	83
PID 4192 wrote to memory of 4776	4192	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe	83
PID 4192 wrote to memory of 4892	4192	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe	99
PID 4192 wrote to memory of 4892	4192	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe	99
PID 4192 wrote to memory of 4892	4192	8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe	99

C:\Users\Admin\AppData\Local\Temp\8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe
"C:\Users\Admin\AppData\Local\Temp\8a9538e899a5ac6f937311033ef3136fa8dc855ab4e9056e94ac485d41a6d063.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2821at.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2821at.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:4776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 1084
    3⤵
    - Program crash
    PID:1772
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w48Pj87.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w48Pj87.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4776 -ip 4776
1⤵
PID:2212

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2821at.exe

Filesize
322KB

MD5
8141937b23cd1895e561d8e90fdeeff3

SHA1
6f810e9e480564f5837461f8ccdd07c951a1bece

SHA256
ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

SHA512
40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w48Pj87.exe

Filesize
301KB

MD5
6e80037f5d7af03d11e4705504c3c0f5

SHA1
72838b810160535b7583b2e51c54dc3b0a83bd98

SHA256
968abf589a80baeea44d2e9af46cbdc5619b0414990eb418703f6609cefd399e

SHA512
89480dc364541605854df7169be5becad1772d12d97a615e0a7f837695034f611a58909f281cc19f95fd20753e9e30e5ba1bbbc5d5ee53a9e3d75a62bcf34e28

Download Submit
memory/4776-8-0x00000000007C0000-0x00000000008C0000-memory.dmp

Filesize
1024KB

Download
memory/4776-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4776-10-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/4776-11-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/4776-12-0x0000000000790000-0x00000000007AA000-memory.dmp

Filesize
104KB

Download
memory/4776-13-0x0000000004BC0000-0x0000000005164000-memory.dmp

Filesize
5.6MB

Download
memory/4776-14-0x00000000023E0000-0x00000000023F8000-memory.dmp

Filesize
96KB

Download
memory/4776-15-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-26-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-40-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-38-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-36-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-35-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-32-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-31-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-28-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-25-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-22-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-21-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-19-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-42-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-16-0x00000000023E0000-0x00000000023F2000-memory.dmp

Filesize
72KB

Download
memory/4776-43-0x00000000007C0000-0x00000000008C0000-memory.dmp

Filesize
1024KB

Download
memory/4776-44-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4776-47-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/4776-48-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4892-53-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4892-55-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4892-54-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4892-56-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4892-57-0x0000000004990000-0x00000000049D6000-memory.dmp

Filesize
280KB

Download
memory/4892-58-0x0000000004A50000-0x0000000004A94000-memory.dmp

Filesize
272KB

Download
memory/4892-89-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-92-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-90-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-86-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-84-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-80-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-76-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-82-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-78-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-74-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-72-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-70-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-68-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-66-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-64-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-62-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-60-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-59-0x0000000004A50000-0x0000000004A8E000-memory.dmp

Filesize
248KB

Download
memory/4892-965-0x00000000050A0000-0x00000000056B8000-memory.dmp

Filesize
6.1MB

Download
memory/4892-966-0x0000000005740000-0x000000000584A000-memory.dmp

Filesize
1.0MB

Download
memory/4892-967-0x0000000005880000-0x0000000005892000-memory.dmp

Filesize
72KB

Download
memory/4892-968-0x00000000058A0000-0x00000000058DC000-memory.dmp

Filesize
240KB

Download
memory/4892-969-0x00000000059F0000-0x0000000005A3C000-memory.dmp

Filesize
304KB

Download