healer | 4aebbb23d160253876cc3a93c7cc31ed0c48645ae04070345bb5933ed4efee04

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 11:20

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General

Target

8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe
Size

642KB
MD5

03a628bce13a7a6f73b78cb27748c83e
SHA1

3d36b5043c005536607692cc3af271a95dc354f2
SHA256

8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3
SHA512

26264798a9a32453c10acdc1f4941bcc795a18142ba8a71566c4bd7d3707dd6d403be2e8ac7b8f9f3ea372847ad3844b84bbf20b8a14f88968bd92d6bd51e344
SSDEEP

12288:dMryy904dpX1N0hhzV0V4UcBPHQrh2picnKvDqkEvjlJK:zyd1N0TV4tvrh2pvKvDqxvrK

Score

10^/10

healer redline mazda dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mazda

217.196.96.56:4138

Attributes

auth_value
3d2870537d84a4c6d7aeecd002871c51

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral21/memory/1984-19-0x0000000004940000-0x000000000495A000-memory.dmp	healer
behavioral21/memory/1984-21-0x0000000004FD0000-0x0000000004FE8000-memory.dmp	healer
behavioral21/memory/1984-22-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-31-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-49-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-48-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-45-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-43-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-41-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-39-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-35-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-33-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-29-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-27-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-25-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-23-0x0000000004FD0000-0x0000000004FE2000-memory.dmp	healer
behavioral21/memory/1984-37-0x0000000004FD0000-0x0000000004FE2000-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\DisableIOAVProtection = "1"	a9918398.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a9918398.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a9918398.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a9918398.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a9918398.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a9918398.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
behavioral21/files/0x00080000000233a7-56.dat	family_redline
behavioral21/memory/2720-57-0x0000000000FC0000-0x0000000000FF0000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
2148	v0364664.exe
1984	a9918398.exe
2720	b3381039.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	a9918398.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a9918398.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v0364664.exe
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\\\""	8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	1984	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1984	a9918398.exe
1984	a9918398.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	a9918398.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 2148	3248	8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe	85
PID 3248 wrote to memory of 2148	3248	8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe	85
PID 3248 wrote to memory of 2148	3248	8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe	85
PID 2148 wrote to memory of 1984	2148	v0364664.exe	86
PID 2148 wrote to memory of 1984	2148	v0364664.exe	86
PID 2148 wrote to memory of 1984	2148	v0364664.exe	86
PID 2148 wrote to memory of 2720	2148	v0364664.exe	97
PID 2148 wrote to memory of 2720	2148	v0364664.exe	97
PID 2148 wrote to memory of 2720	2148	v0364664.exe	97

C:\Users\Admin\AppData\Local\Temp\8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe
"C:\Users\Admin\AppData\Local\Temp\8e29739d0db64de82f2c1386f8ba689ab31a3b0c457102386884ac03967741c3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3248
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0364664.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0364664.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9918398.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9918398.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1984
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 1084
      4⤵
      Program crash
      PID:2676
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3381039.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3381039.exe
    3⤵
    - Executes dropped EXE
    PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1984 -ip 1984
1⤵
PID:3136

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v0364664.exe

Filesize
383KB

MD5
5e44b8246a4fad15f34dde2e49e58067

SHA1
cb676ca9b22843e81b188c531c985a2a4a3730c1

SHA256
5841ec3b7d542eae2cf9ebf62e07d85243629f4959fc02afc2c581d0c1bb2e2b

SHA512
24f6c376d9f8342c70be1a401ebfae3fb8cf05704a319a281e9c148c40212401607557a010d2af9d60fa3cc7fae5d66983b7105427eb7d1b3399765de7374f94

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9918398.exe

Filesize
289KB

MD5
9b325e403e6bcc2cbfce9467cc02f65f

SHA1
15323f0948fefc9615d96b9572181e3d487844cd

SHA256
373bb84575db64553a977912644db7c299a5b5bb9de07195636a2a07ec7c1b78

SHA512
15f5fe3d6507478eb3ec3ac6090a46e012cfa02730f3db536fc63a7bc86806287fd4fd084257676f1abe2f42dfe0b51082f0576950b6f702bb739a9f6889aba9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3381039.exe

Filesize
168KB

MD5
c859bfe277b92508fcbcef858adb5820

SHA1
af00eb31954ed4ba20dbbd5a02505a05bf09e511

SHA256
9547f193ab5b5ddc6080be3df500f5b89bfac957dcb4a799ef14719980cc2024

SHA512
a4e9d05be95715981633423c7255e4ef7795a2d624242881917a5e85c3e25e2981fd13b1cb6f61d39acd4e885ce268f8e0efead8c03406b7c266e2e7f7ff5f19

Download Submit
memory/1984-39-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-53-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1984-35-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-19-0x0000000004940000-0x000000000495A000-memory.dmp

Filesize
104KB

Download
memory/1984-20-0x00000000049C0000-0x0000000004F64000-memory.dmp

Filesize
5.6MB

Download
memory/1984-21-0x0000000004FD0000-0x0000000004FE8000-memory.dmp

Filesize
96KB

Download
memory/1984-22-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-31-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-49-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-48-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-45-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-43-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-41-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1984-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1984-33-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-16-0x0000000000490000-0x00000000004BD000-memory.dmp

Filesize
180KB

Download
memory/1984-27-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-25-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-23-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-37-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1984-29-0x0000000004FD0000-0x0000000004FE2000-memory.dmp

Filesize
72KB

Download
memory/1984-15-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2720-57-0x0000000000FC0000-0x0000000000FF0000-memory.dmp

Filesize
192KB

Download
memory/2720-58-0x00000000057A0000-0x00000000057A6000-memory.dmp

Filesize
24KB

Download
memory/2720-59-0x000000000B2D0000-0x000000000B8E8000-memory.dmp

Filesize
6.1MB

Download
memory/2720-60-0x000000000AE30000-0x000000000AF3A000-memory.dmp

Filesize
1.0MB

Download
memory/2720-61-0x000000000AD60000-0x000000000AD72000-memory.dmp

Filesize
72KB

Download
memory/2720-62-0x000000000ADC0000-0x000000000ADFC000-memory.dmp

Filesize
240KB

Download
memory/2720-63-0x0000000005260000-0x00000000052AC000-memory.dmp

Filesize
304KB

Download