healer | b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/11/2024, 01:56

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General

Target

b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe
Size

532KB
MD5

5f29f3262913fb21d2f6990e042ea1c5
SHA1

098541222a5316cdb4ebec8a1e6fd287365c9615
SHA256

b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a
SHA512

707ea7d3dbce0023fcf27ef2090b7466a93cfc5fbbad7de35ee0641d61f5aa8c44f8146bb880490bc40070f1cb586404edaf27d6e84eb8238d076d3bf7dbb811
SSDEEP

12288:oMroy908elZw/3tF/rEp+ce4lT/BxYosHXGgWEN5bwilui9GrH9:wyAlWPtZie4tbPs3G8nbye4

Score

10^/10

healer redline rulit discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

rulit

pedigj.eu:4162

Attributes

auth_value
f4df9ef56871d4ac883b282abaf635e0

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b5a-12.dat	healer
behavioral1/memory/3300-15-0x0000000000EA0000-0x0000000000EAA000-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	sf78ek39Uv59.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sf78ek39Uv59.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	sf78ek39Uv59.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sf78ek39Uv59.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	sf78ek39Uv59.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sf78ek39Uv59.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/2916-22-0x0000000004AA0000-0x0000000004AE6000-memory.dmp	family_redline
behavioral1/memory/2916-24-0x0000000005150000-0x0000000005194000-memory.dmp	family_redline
behavioral1/memory/2916-26-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-40-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-88-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-86-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-84-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-82-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-80-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-78-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-76-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-74-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-72-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-70-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-66-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-64-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-62-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-60-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-58-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-56-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-54-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-52-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-50-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-48-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-46-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-44-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-38-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-36-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-34-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-32-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-30-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-28-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-68-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-42-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline
behavioral1/memory/2916-25-0x0000000005150000-0x000000000518E000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
1352	vhsF3757Op.exe
3300	sf78ek39Uv59.exe
2916	tf96XY83Qu54.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"	sf78ek39Uv59.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\\\""	b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.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\\\""	vhsF3757Op.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	b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vhsF3757Op.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tf96XY83Qu54.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3300	sf78ek39Uv59.exe
3300	sf78ek39Uv59.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3300	sf78ek39Uv59.exe
Token: SeDebugPrivilege	2916	tf96XY83Qu54.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1352	4296	b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe	83
PID 4296 wrote to memory of 1352	4296	b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe	83
PID 4296 wrote to memory of 1352	4296	b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe	83
PID 1352 wrote to memory of 3300	1352	vhsF3757Op.exe	85
PID 1352 wrote to memory of 3300	1352	vhsF3757Op.exe	85
PID 1352 wrote to memory of 2916	1352	vhsF3757Op.exe	92
PID 1352 wrote to memory of 2916	1352	vhsF3757Op.exe	92
PID 1352 wrote to memory of 2916	1352	vhsF3757Op.exe	92

C:\Users\Admin\AppData\Local\Temp\b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe
"C:\Users\Admin\AppData\Local\Temp\b4c20fb62bd4928bde782b1eb4a893f30c5c83849967a51a9473093ebb8b384a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhsF3757Op.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhsF3757Op.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf78ek39Uv59.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf78ek39Uv59.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3300
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf96XY83Qu54.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf96XY83Qu54.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2916

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\vhsF3757Op.exe

Filesize
387KB

MD5
0e845c1e36e25523e676a49eb47af7e6

SHA1
10fdc9feb5261c0a398753d9e0e286d62c59a4aa

SHA256
22fb83aa5a6a1edad46ed3f2fe6350bbe0eed6e3ec1d402f0fb2e920a931efb6

SHA512
8b0efecb42a66e65b3f1927afa73e96af190d0b44594e824aaaf2c510cc59857a620c55b323f34b24180ce217f094ba65c52499333bc14fcbe6fc3e227d991e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf78ek39Uv59.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf96XY83Qu54.exe

Filesize
361KB

MD5
8dbe8b801bee88e19e8b2b5d07124438

SHA1
1d26dfec8a84dfb092bbf2f9f1eea8c1c11263fd

SHA256
a7f2f292d3c188e4b840e00029b9c53332ce6bfac4a15399674c2ae3e33dc79d

SHA512
c54ed890c618f3cb76e1dd38d087393bd530d650d7dc53755ba4b2bba929cb4e3b9389017964676a18541df42d15fae5993f04de767854a8655a617283106f33

Download Submit
memory/2916-64-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-36-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-935-0x0000000005B20000-0x0000000005B6C000-memory.dmp

Filesize
304KB

Download
memory/2916-22-0x0000000004AA0000-0x0000000004AE6000-memory.dmp

Filesize
280KB

Download
memory/2916-23-0x0000000004B60000-0x0000000005104000-memory.dmp

Filesize
5.6MB

Download
memory/2916-24-0x0000000005150000-0x0000000005194000-memory.dmp

Filesize
272KB

Download
memory/2916-26-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-40-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-88-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-86-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-84-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-82-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-80-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-78-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-76-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-74-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-72-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-70-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-66-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-934-0x00000000059D0000-0x0000000005A0C000-memory.dmp

Filesize
240KB

Download
memory/2916-58-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-933-0x00000000059B0000-0x00000000059C2000-memory.dmp

Filesize
72KB

Download
memory/2916-60-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-56-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-54-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-52-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-50-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-48-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-46-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-44-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-38-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-62-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-34-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-32-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-30-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-28-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-68-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-42-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-25-0x0000000005150000-0x000000000518E000-memory.dmp

Filesize
248KB

Download
memory/2916-931-0x00000000051D0000-0x00000000057E8000-memory.dmp

Filesize
6.1MB

Download
memory/2916-932-0x0000000005870000-0x000000000597A000-memory.dmp

Filesize
1.0MB

Download
memory/3300-16-0x00007FFB81AC3000-0x00007FFB81AC5000-memory.dmp

Filesize
8KB

Download
memory/3300-14-0x00007FFB81AC3000-0x00007FFB81AC5000-memory.dmp

Filesize
8KB

Download
memory/3300-15-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

Filesize
40KB

Download