healer | c5a3dbeea17ddba50482e7844a817171580f977dcea9ad7b655d39a934b93b93

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 12:33

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General

Target
8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.exe
Size 478KB
Sample240510-prnxbsef21
SHA256 8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3
MD5 197bdb6ab21ca786f3cb4bcbe996e12b
SHA1 a067fa595f44157386ca833d0728f75821b8712f
SHA512 bbf0934029cfb446996c77a8eaa93bc9486c0f682ebef4b23ff4c11ae931239ec326fbb940760784d388bce9f2b098b1bdcbd274a4bbf1a5e3196c5c34cb29a6
SSDEEP 12288:tMrgy90l9GeSNya5c1u31FTGuKfuvXUG4KSiCT3:Jys9G2eXPTtvv73E
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline dumud dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dumud

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral14/memory/2196-15-0x0000000000720000-0x000000000073A000-memory.dmp	healer
behavioral14/memory/2196-18-0x0000000000750000-0x0000000000768000-memory.dmp	healer
behavioral14/memory/2196-39-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-47-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-45-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-43-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-41-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-37-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-35-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-33-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-31-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-29-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-27-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-25-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-23-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-21-0x0000000000750000-0x0000000000762000-memory.dmp	healer
behavioral14/memory/2196-20-0x0000000000750000-0x0000000000762000-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\DisableBehaviorMonitoring = "1"	k0366696.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k0366696.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k0366696.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k0366696.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k0366696.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k0366696.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
behavioral14/files/0x0007000000023436-52.dat	family_redline
behavioral14/memory/4900-54-0x0000000000ED0000-0x0000000000F00000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
2352	y8920385.exe
2196	k0366696.exe
4900	l3800882.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k0366696.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k0366696.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\\\""	8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.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\\\""	y8920385.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2196	k0366696.exe
2196	k0366696.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	k0366696.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 2352	4848	8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.exe	85
PID 4848 wrote to memory of 2352	4848	8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.exe	85
PID 4848 wrote to memory of 2352	4848	8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.exe	85
PID 2352 wrote to memory of 2196	2352	y8920385.exe	86
PID 2352 wrote to memory of 2196	2352	y8920385.exe	86
PID 2352 wrote to memory of 2196	2352	y8920385.exe	86
PID 2352 wrote to memory of 4900	2352	y8920385.exe	94
PID 2352 wrote to memory of 4900	2352	y8920385.exe	94
PID 2352 wrote to memory of 4900	2352	y8920385.exe	94

C:\Users\Admin\AppData\Local\Temp\8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.exe
"C:\Users\Admin\AppData\Local\Temp\8a73bb4899be69e1a77d74c46f81ca29b85b5c67b642e09f9735dec87b8b4cc3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8920385.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8920385.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0366696.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0366696.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2196
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3800882.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3800882.exe
    3⤵
    - Executes dropped EXE
    PID:4900

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

y8920385.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8920385.exe
Size 307KB
SHA256 0ed66c396d2ae7b2fd68b55a0d8f255e6d017c11dabaec1a6f3550321e83f664
MD5 564c7dd5cd6f43333f3726a1067fa7b4
SHA1 d435fc75ad9860e41732452696f59c04373531cf
SHA512 efcbdffc5f2992a4ed1dfa092a0ed9bde85116c09570a40a945a1e9a2211a32562e572ff51706334d97de832126faebdeaa878dafb0683c8e84b119e8a576c5a
SSDEEP 6144:Kwy+bnr+pp0yN90QEX5F5OYc1u31g4TByuN9SG2GsNDpJvK:4Mr1y90bxc1u31TTEu2fpvK
MD5 SHA1 SHA512 SSDEEP

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k0366696.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0366696.exe
Size 180KB
SHA256 4c411c6600d1f65ea9a585a5f125792c5f74ca5e41d63fc2bd70c60d3b9e7447
MD5 b4a4c6e6401ce4043ed5f212555de317
SHA1 c6f6c6513769019907b51ff23d0683a5bd197f2a
SHA512 68b9fd346cddae31abd19022f854ce9b77f48a37cbb8b852ffcab4b3550011e27f1859f33ac2f4745f4838b8084f2a8e9674cd43dfbd18b945f395946b2b3974
SSDEEP 3072:pDKW1LgppLRHMY0TBfJvjcTp5XZpa8nqeo7Qbeues6Y:pDKW1Lgbdl0TBBvjc/S81Sues
MD5 SHA1 SHA512 SSDEEP

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l3800882.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3800882.exe
Size 168KB
SHA256 af55b182e0f5bf4176ceb683cf3e1196ddc159afc733b576be40e6c3b62f793e
MD5 fecafbd83c6218e3ad98ca6c7d0b5671
SHA1 72376a75ab9ce874cfb24df53b52700fb059f47e
SHA512 f44966c871ee17bc71186242b485a768ef6ac48a100a02232d2586b36fc9d0703e3dbfbddce6e55938c586e24aa3c38cbd6bdc47151bc4f51ffbcabd137db8f9
SSDEEP 1536:8HHDXepqlVZRGWnKarISqKkH1jgl3mfTGqVibutZFryIaQ383wYkz8e8hg:yOMcSqKEoWyqV2MFeIaQ3t8e8hg
MD5 SHA1 SHA512 SSDEEP

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memory/2196-31-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-48-0x0000000074340000-0x0000000074AF0000-memory.dmp

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memory/2196-18-0x0000000000750000-0x0000000000768000-memory.dmp

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memory/2196-16-0x0000000074340000-0x0000000074AF0000-memory.dmp

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memory/2196-19-0x0000000074340000-0x0000000074AF0000-memory.dmp

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memory/2196-39-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-47-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-45-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-43-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-41-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-37-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-35-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-33-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-15-0x0000000000720000-0x000000000073A000-memory.dmp

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memory/2196-17-0x0000000004A10000-0x0000000004FB4000-memory.dmp

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memory/2196-29-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-14-0x000000007434E000-0x000000007434F000-memory.dmp

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memory/2196-23-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-21-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-20-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-27-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/2196-50-0x0000000074340000-0x0000000074AF0000-memory.dmp

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memory/2196-25-0x0000000000750000-0x0000000000762000-memory.dmp

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memory/4900-54-0x0000000000ED0000-0x0000000000F00000-memory.dmp

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memory/4900-55-0x0000000001700000-0x0000000001706000-memory.dmp

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memory/4900-56-0x0000000005EA0000-0x00000000064B8000-memory.dmp

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memory/4900-57-0x0000000005990000-0x0000000005A9A000-memory.dmp

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memory/4900-58-0x0000000005880000-0x0000000005892000-memory.dmp

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memory/4900-59-0x00000000058E0000-0x000000000591C000-memory.dmp

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memory/4900-60-0x0000000005920000-0x000000000596C000-memory.dmp

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