healer | 4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071

General

Target

4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe
Size

482KB
MD5

ed0a9c52081917457a7c9ada4bc58d1c
SHA1

db70f12bc967a337a575401848a7930c70fd57ea
SHA256

4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071
SHA512

2c6eee58286a0d4a430728a0e3a158ce28b0ccb59c43760fdbbb6a2571f1b504ec77e00520fae7932e9fb30985c0a6f16958676d92a1e7157ccebd2f50b95745
SSDEEP

12288:RMr4y90f37R6WdsfozFW13kMi8sYbm4yY:VyALR6fgBW13kP4yY

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x000a000000023bd1-12.dat	healer
behavioral1/memory/4952-15-0x0000000000AE0000-0x0000000000AEA000-memory.dmp	healer
behavioral1/memory/968-22-0x00000000021F0000-0x000000000220A000-memory.dmp	healer
behavioral1/memory/968-24-0x0000000002450000-0x0000000002468000-memory.dmp	healer
behavioral1/memory/968-25-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-32-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-52-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-50-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-48-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-46-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-44-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-42-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-40-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-38-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-36-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-34-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-30-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-28-0x0000000002450000-0x0000000002462000-memory.dmp	healer
behavioral1/memory/968-26-0x0000000002450000-0x0000000002462000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 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	dRh80NF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dRh80NF.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dRh80NF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dRh80NF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dRh80NF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dRh80NF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eRx72lu.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
behavioral1/files/0x000e000000023bc3-57.dat	family_redline
behavioral1/memory/704-59-0x0000000000A30000-0x0000000000A62000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
824	nNf42CR67.exe
4952	dRh80NF.exe
968	eRx72lu.exe
704	fKt05wh.exe

Windows security modification 2 TTPs 3 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	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eRx72lu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dRh80NF.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\\\""	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.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\\\""	nNf42CR67.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	eRx72lu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fKt05wh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nNf42CR67.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4952	dRh80NF.exe
4952	dRh80NF.exe
968	eRx72lu.exe
968	eRx72lu.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	dRh80NF.exe
Token: SeDebugPrivilege	968	eRx72lu.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 824	3588	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe	83
PID 3588 wrote to memory of 824	3588	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe	83
PID 3588 wrote to memory of 824	3588	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe	83
PID 824 wrote to memory of 4952	824	nNf42CR67.exe	84
PID 824 wrote to memory of 4952	824	nNf42CR67.exe	84
PID 824 wrote to memory of 968	824	nNf42CR67.exe	93
PID 824 wrote to memory of 968	824	nNf42CR67.exe	93
PID 824 wrote to memory of 968	824	nNf42CR67.exe	93
PID 3588 wrote to memory of 704	3588	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe	94
PID 3588 wrote to memory of 704	3588	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe	94
PID 3588 wrote to memory of 704	3588	4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe	94

C:\Users\Admin\AppData\Local\Temp\4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe
"C:\Users\Admin\AppData\Local\Temp\4e2b905d13846e6541ae5407345a9b322825252dbabcf9e3a9f9b1e7036c8071.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNf42CR67.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNf42CR67.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dRh80NF.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dRh80NF.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRx72lu.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRx72lu.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:968
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKt05wh.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKt05wh.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKt05wh.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNf42CR67.exe

Filesize
337KB

MD5
6a62615922da1a076a138e8a8c67282a

SHA1
5f257bebc5822424c4eaaf200f9c2d59e9db9483

SHA256
7068f4554702527bccd292959e689a71b22fb7a16412ace3f1a762056cdac07f

SHA512
34565d66e2b03bf10df4ac480dca6b1bfcb289950aeb6978457215e990a7517728251e0f39bd90710dfaf421f996b7015cf873eec6a6aa5d194b2a57c193a8b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dRh80NF.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRx72lu.exe

Filesize
248KB

MD5
a8dd5816b07580227a4820ac9138cd3c

SHA1
654835e7091e858d3c4699d550f003761b492564

SHA256
6826a652930587b36d9ffb4a88639d2904975255e585534e9f6b528537d1dcc2

SHA512
96c518a77180ba9979d3fd5604a2469b3c63625dd89d8865af57c1c73571ec35b123260ae8d5161f4dbacd4c940842e5a56ee24f24ddd7a0cf3a1462d715e815

Download Submit
memory/704-64-0x0000000005320000-0x000000000536C000-memory.dmp

Filesize
304KB

Download
memory/704-63-0x0000000005390000-0x00000000053CC000-memory.dmp

Filesize
240KB

Download
memory/704-62-0x0000000005300000-0x0000000005312000-memory.dmp

Filesize
72KB

Download
memory/704-61-0x00000000053E0000-0x00000000054EA000-memory.dmp

Filesize
1.0MB

Download
memory/704-60-0x00000000058B0000-0x0000000005EC8000-memory.dmp

Filesize
6.1MB

Download
memory/704-59-0x0000000000A30000-0x0000000000A62000-memory.dmp

Filesize
200KB

Download
memory/968-42-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-30-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-50-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-48-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-46-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-44-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-32-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-40-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-38-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-36-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-34-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-52-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-28-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-26-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-53-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/968-55-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/968-25-0x0000000002450000-0x0000000002462000-memory.dmp

Filesize
72KB

Download
memory/968-24-0x0000000002450000-0x0000000002468000-memory.dmp

Filesize
96KB

Download
memory/968-23-0x0000000004C20000-0x00000000051C4000-memory.dmp

Filesize
5.6MB

Download
memory/968-22-0x00000000021F0000-0x000000000220A000-memory.dmp

Filesize
104KB

Download
memory/4952-16-0x00007FFA0A613000-0x00007FFA0A615000-memory.dmp

Filesize
8KB

Download
memory/4952-15-0x0000000000AE0000-0x0000000000AEA000-memory.dmp

Filesize
40KB

Download
memory/4952-14-0x00007FFA0A613000-0x00007FFA0A615000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads