healer | 3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d

General

Target

3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe
Size

500KB
MD5

a9bd7d9d8cc15e38cdec167ae2a1b00e
SHA1

49dc60ca1ffcd5fd92633da922f0176f4c05cb22
SHA256

3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d
SHA512

4b54e6a6f515a40623aed78b3db34de7cb16792b49a6ad73c580632eb50eaddec45a375b0a6745b2810fecfb64770e951856afc89883e0a01048dbf3159ccedc
SSDEEP

12288:YMrDy90RcT0hV9VrvPA9B1mzonS8G/SDC62PAh8:7yH4V9RvP6B1vS562N

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/0x0008000000023c81-12.dat	healer
behavioral1/memory/3768-15-0x0000000000F20000-0x0000000000F2A000-memory.dmp	healer
behavioral1/memory/3540-22-0x0000000002520000-0x000000000253A000-memory.dmp	healer
behavioral1/memory/3540-24-0x0000000004B70000-0x0000000004B88000-memory.dmp	healer
behavioral1/memory/3540-52-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-48-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-46-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-44-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-42-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-40-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-38-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-36-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-34-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-32-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-30-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-28-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-26-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-25-0x0000000004B70000-0x0000000004B82000-memory.dmp	healer
behavioral1/memory/3540-50-0x0000000004B70000-0x0000000004B82000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dnN82So.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dnN82So.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eAy38dd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eAy38dd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eAy38dd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dnN82So.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dnN82So.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eAy38dd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eAy38dd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eAy38dd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dnN82So.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dnN82So.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/0x0007000000023c7f-57.dat	family_redline
behavioral1/memory/4884-59-0x0000000000380000-0x00000000003B2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4144	nSU14sw90.exe
3768	dnN82So.exe
3540	eAy38dd.exe
4884	fji03nd.exe

Windows security modification 2 TTPs 3 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"	dnN82So.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eAy38dd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eAy38dd.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\\\""	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.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\\\""	nSU14sw90.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3884	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1476	3540	WerFault.exe	96

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	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nSU14sw90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eAy38dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fji03nd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3768	dnN82So.exe
3768	dnN82So.exe
3540	eAy38dd.exe
3540	eAy38dd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3768	dnN82So.exe
Token: SeDebugPrivilege	3540	eAy38dd.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 4144	548	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe	85
PID 548 wrote to memory of 4144	548	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe	85
PID 548 wrote to memory of 4144	548	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe	85
PID 4144 wrote to memory of 3768	4144	nSU14sw90.exe	86
PID 4144 wrote to memory of 3768	4144	nSU14sw90.exe	86
PID 4144 wrote to memory of 3540	4144	nSU14sw90.exe	96
PID 4144 wrote to memory of 3540	4144	nSU14sw90.exe	96
PID 4144 wrote to memory of 3540	4144	nSU14sw90.exe	96
PID 548 wrote to memory of 4884	548	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe	101
PID 548 wrote to memory of 4884	548	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe	101
PID 548 wrote to memory of 4884	548	3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe	101

C:\Users\Admin\AppData\Local\Temp\3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe
"C:\Users\Admin\AppData\Local\Temp\3dee4e977e47c4c5fab28e47ba87e8e7be82fd2bf1a909af9de33146d8efa54d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSU14sw90.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSU14sw90.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnN82So.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnN82So.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3768
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAy38dd.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAy38dd.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:3540
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 1084
      4⤵
      Program crash
      PID:1476
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fji03nd.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fji03nd.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3540 -ip 3540
1⤵
PID:4984

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:3884

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\fji03nd.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSU14sw90.exe

Filesize
355KB

MD5
554a50ffc22406e32ebaa9b5fe209dec

SHA1
b8e226fb97f64ac978d4f6c16ba19324c33a8200

SHA256
ec41a9e6a26243ae28faa8c915d74d1f91a23cd336dd097a4ccea3177af0a586

SHA512
17b6b19110a32acb4914fa41ff9d2f037c02ddecfd51cb274db202c0df84ebfa7c8b9add3ab3cb012ae33b5dd634d662da99892456738c76918f2857a9737432

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dnN82So.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAy38dd.exe

Filesize
294KB

MD5
e756f652b55d5cdea64c99e99dd2944b

SHA1
4b029d66a9191401600ce49ee339978e51655c4d

SHA256
43e64e06e9b8d9beef5843448023d8741fc39f96ac82dabf28d5daa2a4ec74a8

SHA512
9cae586c698a5b6061cc2b52e2cea9de7baaf266f24259c1833588c9448a416a59dd45921de2e17597ce8b03447c83f26ec83e3f4c2e23f7d53345856ca8c457

Download Submit
memory/3540-36-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-30-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-22-0x0000000002520000-0x000000000253A000-memory.dmp

Filesize
104KB

Download
memory/3540-23-0x0000000004C70000-0x0000000005214000-memory.dmp

Filesize
5.6MB

Download
memory/3540-24-0x0000000004B70000-0x0000000004B88000-memory.dmp

Filesize
96KB

Download
memory/3540-52-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-48-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-46-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-44-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-42-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-40-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-38-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/3540-34-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-32-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/3540-28-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-26-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-25-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3540-50-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/3768-16-0x00007FFF8A443000-0x00007FFF8A445000-memory.dmp

Filesize
8KB

Download
memory/3768-15-0x0000000000F20000-0x0000000000F2A000-memory.dmp

Filesize
40KB

Download
memory/3768-14-0x00007FFF8A443000-0x00007FFF8A445000-memory.dmp

Filesize
8KB

Download
memory/4884-59-0x0000000000380000-0x00000000003B2000-memory.dmp

Filesize
200KB

Download
memory/4884-60-0x00000000052E0000-0x00000000058F8000-memory.dmp

Filesize
6.1MB

Download
memory/4884-61-0x0000000004E60000-0x0000000004F6A000-memory.dmp

Filesize
1.0MB

Download
memory/4884-62-0x0000000004D90000-0x0000000004DA2000-memory.dmp

Filesize
72KB

Download
memory/4884-63-0x0000000004DF0000-0x0000000004E2C000-memory.dmp

Filesize
240KB

Download
memory/4884-64-0x0000000004F70000-0x0000000004FBC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads