healer | 4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 23:16

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General

Target

4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe
Size

667KB
MD5

37e7b43f5423953c63c8279248731fb5
SHA1

3d08771f53e244826cb9ed662ea4250a494ce06a
SHA256

4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50
SHA512

92ebc1337fd26b4dfa604ac5e9023b852920143690364fdcbe2564fa3ba3760723a3e07748f18cbc1aa206208006e70d865461b8b6a1e4331ccacf76b2af0c0d
SSDEEP

12288:sMrVy90yEiQVa1cbxckb3KYlBljYooxYmnK+IcvMkwaMpe+Y6m6:RydEbVqcRHYvymKnmwpdm6

Score

10^/10

healer redline rumfa discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

rumfa

193.233.20.24:4123

Attributes

auth_value
749d02a6b4ef1fa2ad908e44ec2296dc

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023c7b-12.dat	healer
behavioral1/memory/2648-15-0x0000000000F70000-0x0000000000F7A000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	buat03Yn88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	buat03Yn88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	buat03Yn88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	buat03Yn88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	buat03Yn88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	buat03Yn88.exe

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

RedLine payload 35 IoCs

resource	yara_rule
behavioral1/memory/944-22-0x00000000024D0000-0x0000000002516000-memory.dmp	family_redline
behavioral1/memory/944-24-0x0000000004BA0000-0x0000000004BE4000-memory.dmp	family_redline
behavioral1/memory/944-36-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-38-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-88-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-86-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-84-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-82-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-80-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-78-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-76-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-72-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-70-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-68-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-66-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-65-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-62-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-60-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-58-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-56-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-54-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-52-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-50-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-46-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-44-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-40-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-34-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-32-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-30-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-28-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-74-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-48-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-42-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-25-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline
behavioral1/memory/944-26-0x0000000004BA0000-0x0000000004BDE000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
1184	plBm54do45.exe
2648	buat03Yn88.exe
944	caTc74Vh67.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"	buat03Yn88.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\\\""	4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.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\\\""	plBm54do45.exe

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	plBm54do45.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caTc74Vh67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2648	buat03Yn88.exe
2648	buat03Yn88.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	buat03Yn88.exe
Token: SeDebugPrivilege	944	caTc74Vh67.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 1184	768	4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe	85
PID 768 wrote to memory of 1184	768	4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe	85
PID 768 wrote to memory of 1184	768	4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe	85
PID 1184 wrote to memory of 2648	1184	plBm54do45.exe	86
PID 1184 wrote to memory of 2648	1184	plBm54do45.exe	86
PID 1184 wrote to memory of 944	1184	plBm54do45.exe	95
PID 1184 wrote to memory of 944	1184	plBm54do45.exe	95
PID 1184 wrote to memory of 944	1184	plBm54do45.exe	95

C:\Users\Admin\AppData\Local\Temp\4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe
"C:\Users\Admin\AppData\Local\Temp\4718d6fdb1c2555cac3892d8c80eb3269e1b6971aa4aa02ca8b2866932673e50.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plBm54do45.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plBm54do45.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buat03Yn88.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buat03Yn88.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\caTc74Vh67.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\caTc74Vh67.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:944

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\plBm54do45.exe

Filesize
391KB

MD5
7e0b77541c49c74edd12c14d8674cb9f

SHA1
826d8fd2bf90f63e8107b664d83d4e5b11431fb8

SHA256
463e86ecc99c24a1bbd01757bc30d2cd22939576f8bb680adc7ae6912743e15a

SHA512
1c0d497387608fec74a4ab4551fd1717e4cf1e60e1e418adf60b6d613d0e85bb57bc00596b6fe0f07d35ca52bd7518bf0a5caede094029488190729c76012252

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buat03Yn88.exe

Filesize
16KB

MD5
51060fc1282ec928b8157353fba4942d

SHA1
6b448e44a56d600005358af46e1eef21b21b9626

SHA256
df48a1d076764bb284019cef10fec59e7f35589fe25ba6e7c69abe2c05c389f6

SHA512
3fd095ddae4a3e1071e61ff5887d8a0bafd2c8e44566577607119d53b13f41d5f1abdbeb948c0e26fc03f5a4c1f3a3dd948411378b28b1c0212753a8854b5460

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\caTc74Vh67.exe

Filesize
302KB

MD5
5b4052ee747278a02dac44898f59aaee

SHA1
6b59810f74916a6921ea2276b57b6f5f61c79654

SHA256
baddc727c186e86b475b2b6dd68a39db563c8f1b6129e7e5f88fb4060cb7ee80

SHA512
9d14b58234c4790199902771cecd0723a17e01e7fd1cc5a66d7d92e1848de7347e86429c8985ea885e345e0a80d550af5b4629c98a8e30142c8c21201d7e2c23

Download Submit
memory/944-65-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-22-0x00000000024D0000-0x0000000002516000-memory.dmp

Filesize
280KB

Download
memory/944-935-0x0000000004D20000-0x0000000004D6C000-memory.dmp

Filesize
304KB

Download
memory/944-60-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-23-0x0000000004D80000-0x0000000005324000-memory.dmp

Filesize
5.6MB

Download
memory/944-24-0x0000000004BA0000-0x0000000004BE4000-memory.dmp

Filesize
272KB

Download
memory/944-36-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-38-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-88-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-86-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-62-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-82-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-58-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-78-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-76-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-72-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-70-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-68-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-66-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-934-0x0000000004CD0000-0x0000000004D0C000-memory.dmp

Filesize
240KB

Download
memory/944-84-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-933-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

Filesize
72KB

Download
memory/944-80-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-56-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-54-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-52-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-50-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-46-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-44-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-40-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-34-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-32-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-30-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-28-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-74-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-48-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-42-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-25-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-26-0x0000000004BA0000-0x0000000004BDE000-memory.dmp

Filesize
248KB

Download
memory/944-931-0x0000000005330000-0x0000000005948000-memory.dmp

Filesize
6.1MB

Download
memory/944-932-0x0000000005950000-0x0000000005A5A000-memory.dmp

Filesize
1.0MB

Download
memory/2648-16-0x00007FFA074F3000-0x00007FFA074F5000-memory.dmp

Filesize
8KB

Download
memory/2648-14-0x00007FFA074F3000-0x00007FFA074F5000-memory.dmp

Filesize
8KB

Download
memory/2648-15-0x0000000000F70000-0x0000000000F7A000-memory.dmp

Filesize
40KB

Download