healer | ca441cc9e69c9106b68d24f81e5bfa4a6cccf701fd348d0f609d13e02e80e122

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 17:44

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General

Target

6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe
Size

308KB
MD5

d5f61fc6a8c52e0a93619aa88abf0823
SHA1

e8ab904b74f798424102a1739f810f09f1987d60
SHA256

6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df
SHA512

3b5a5f2a02c8788cb4e7245073766e30d3bbb4cb635ae648502d80ceed32a876b0103bc90ecc4fb1749f84d354cc3ba91034aad95f3fd1ea82fe12eca0b6b85f
SSDEEP

6144:K0y+bnr+jp0yN90QE3lEY+zbPsn4Jkb2LPrKRc57uiL4P7:MMrby901b+zYebLPrKG5fL8

Score

10^/10

healer redline dropper evasion infostealer persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral8/memory/1576-8-0x00000000021B0000-0x00000000021CA000-memory.dmp	healer
behavioral8/memory/1576-11-0x0000000004990000-0x00000000049A8000-memory.dmp	healer
behavioral8/memory/1576-40-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-38-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-36-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-34-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-32-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-31-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-28-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-26-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-24-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-22-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-20-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-18-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-16-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-14-0x0000000004990000-0x00000000049A2000-memory.dmp	healer
behavioral8/memory/1576-13-0x0000000004990000-0x00000000049A2000-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"	k6912702.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k6912702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k6912702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k6912702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k6912702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k6912702.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
behavioral8/files/0x00070000000233d7-45.dat	family_redline
behavioral8/memory/1224-47-0x0000000000CD0000-0x0000000000CF8000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
1576	k6912702.exe
1224	l1624569.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	k6912702.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k6912702.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\\\""	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	k6912702.exe
1576	k6912702.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	k6912702.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1576	2364	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe	82
PID 2364 wrote to memory of 1576	2364	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe	82
PID 2364 wrote to memory of 1576	2364	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe	82
PID 2364 wrote to memory of 1224	2364	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe	87
PID 2364 wrote to memory of 1224	2364	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe	87
PID 2364 wrote to memory of 1224	2364	6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe	87

C:\Users\Admin\AppData\Local\Temp\6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe
"C:\Users\Admin\AppData\Local\Temp\6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k6912702.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k6912702.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1576
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1624569.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1624569.exe
  2⤵
  - Executes dropped EXE
  PID:1224

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\k6912702.exe

Filesize
175KB

MD5
ddacfe0ab3780ff5989c3f2c32e681cd

SHA1
ffeeedaf65d9e6d3634d263d6a42a703777d567e

SHA256
3206d9f91f805541bfe3ef067f2b41572a9c7c558db98e8473bb5d7dde6bca05

SHA512
bfd8c9a4909bdeca40450a24570fe6031a7c23cc2586c913f944ba2242121b8aad3133fcdbaf55546a50302fbd0894229becc12f4d721848903a5f29aa88e13f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1624569.exe

Filesize
136KB

MD5
100120265e59b27a64574c737cd3dd59

SHA1
6d525c91ab327ab0fa09dd23e50fb11198d0c8f0

SHA256
20e7be4a67709e8af75acd6d7f91f7818e1b85e7cc10690c9904f968f207c46b

SHA512
203545141f943c1e5d81b2c105a0db41a49eb9fec335e8bb7cfd63529cfc50a9ce8a7dc49b5059ad7dd7b135a6796dd5c7665b31c6a916a2ccdab31edf08bee4

Download Submit
memory/1224-54-0x0000000007AE0000-0x0000000007B2C000-memory.dmp

Filesize
304KB

Download
memory/1224-53-0x0000000007AA0000-0x0000000007ADC000-memory.dmp

Filesize
240KB

Download
memory/1224-52-0x00000000742D0000-0x000000007437B000-memory.dmp

Filesize
684KB

Download
memory/1224-51-0x0000000007B60000-0x0000000007C6A000-memory.dmp

Filesize
1.0MB

Download
memory/1224-50-0x00000000079F0000-0x0000000007A02000-memory.dmp

Filesize
72KB

Download
memory/1224-49-0x0000000007F60000-0x0000000008578000-memory.dmp

Filesize
6.1MB

Download
memory/1224-47-0x0000000000CD0000-0x0000000000CF8000-memory.dmp

Filesize
160KB

Download
memory/1224-48-0x00000000742D0000-0x000000007437B000-memory.dmp

Filesize
684KB

Download
memory/1576-41-0x0000000074320000-0x0000000074AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-14-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-32-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-31-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-28-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-26-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-24-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-22-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-20-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-18-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-16-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-34-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-13-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-43-0x0000000074320000-0x0000000074AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-36-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-38-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-40-0x0000000004990000-0x00000000049A2000-memory.dmp

Filesize
72KB

Download
memory/1576-12-0x0000000074320000-0x0000000074AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-11-0x0000000004990000-0x00000000049A8000-memory.dmp

Filesize
96KB

Download
memory/1576-10-0x0000000004AB0000-0x0000000005054000-memory.dmp

Filesize
5.6MB

Download
memory/1576-9-0x0000000074320000-0x0000000074AD0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-8-0x00000000021B0000-0x00000000021CA000-memory.dmp

Filesize
104KB

Download
memory/1576-7-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download