healer | 914615fc2a86a1a3aa8a108084dd30cc54e8b935b2f14f7def84c51a049c95c2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 10:05

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General

Target

eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.exe
Size

376KB
MD5

b6a8649b0e8ce28a25ca6dcc69e0fd96
SHA1

6e814879b9f8a6439cf70e836faf6eb30adc5f78
SHA256

eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade
SHA512

0eba34cc22b5ce72a3e35204d1adfbe2141b13efaa6d50169e8611d808e42941c004f8db3dcf9674f63488eb6d1acfacbedfda78db79802f256ebc2432e2f817
SSDEEP

6144:KQy+bnr+zp0yN90QETK4O8andeWEZYZZT/mHr9cxSrYNbIcSjZzcwfG+XqYW+2:QMrHy90tbO1nGWT/0JcxLkAwxXop

Score

10^/10

healer redline dropper evasion infostealer persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral17/files/0x00080000000233e9-12.dat	healer
behavioral17/memory/1856-14-0x0000000000180000-0x000000000018A000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k1487205.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k1487205.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	k1487205.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k1487205.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k1487205.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k1487205.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
behavioral17/files/0x00070000000233ea-18.dat	family_redline
behavioral17/memory/5044-20-0x0000000000590000-0x00000000005B8000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4868	y4202342.exe
1856	k1487205.exe
5044	l2278524.exe

Windows security modification 2 TTPs 1 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"	k1487205.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\\\""	eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.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\\\""	y4202342.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1856	k1487205.exe
1856	k1487205.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	k1487205.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 4868	4452	eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.exe	83
PID 4452 wrote to memory of 4868	4452	eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.exe	83
PID 4452 wrote to memory of 4868	4452	eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.exe	83
PID 4868 wrote to memory of 1856	4868	y4202342.exe	84
PID 4868 wrote to memory of 1856	4868	y4202342.exe	84
PID 4868 wrote to memory of 5044	4868	y4202342.exe	92
PID 4868 wrote to memory of 5044	4868	y4202342.exe	92
PID 4868 wrote to memory of 5044	4868	y4202342.exe	92

C:\Users\Admin\AppData\Local\Temp\eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.exe
"C:\Users\Admin\AppData\Local\Temp\eae63cf77a61c6d0fdef1aa4ee5b17218c6245ddb0a23c6b72a19176b5095ade.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4202342.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4202342.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1487205.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1487205.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1856
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2278524.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2278524.exe
    3⤵
    - Executes dropped EXE
    PID:5044

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\y4202342.exe

Filesize
204KB

MD5
25f38780dc51952bd9fa1015e6c2d538

SHA1
7b0ccee0155a33a4dab7e70efa363172752b9ca3

SHA256
529fdd51af8faf2aee2a4259b54cc3fac02ca91eb46150a57e33c0a2a5665cba

SHA512
bebacab883e5dfa4ff9300763a6f0615d2a0735e3ba7b7cd940afb2caf15896cacbce99045d4bd907af47a0d8a72b37da6c82104c5bedbdc7e2dd07e17dcf646

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k1487205.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l2278524.exe

Filesize
136KB

MD5
8f30f7f88229560306c5959c605316de

SHA1
36f26a905a9743f6dd1608e39b37d1116cafcc0a

SHA256
3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7

SHA512
267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

Download Submit
memory/1856-14-0x0000000000180000-0x000000000018A000-memory.dmp

Filesize
40KB

Download
memory/1856-15-0x00007FF8D7D13000-0x00007FF8D7D15000-memory.dmp

Filesize
8KB

Download
memory/5044-20-0x0000000000590000-0x00000000005B8000-memory.dmp

Filesize
160KB

Download
memory/5044-21-0x00000000079C0000-0x0000000007FD8000-memory.dmp

Filesize
6.1MB

Download
memory/5044-22-0x0000000007430000-0x0000000007442000-memory.dmp

Filesize
72KB

Download
memory/5044-23-0x0000000007560000-0x000000000766A000-memory.dmp

Filesize
1.0MB

Download
memory/5044-24-0x0000000007490000-0x00000000074CC000-memory.dmp

Filesize
240KB

Download
memory/5044-25-0x00000000028F0000-0x000000000293C000-memory.dmp

Filesize
304KB

Download