healer | 636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a

General

Target

636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe
Size

478KB
MD5

3b3a7522853a957dc3857ccdefed67f9
SHA1

c3312c3a2cf85f76cba837b80a52e908c86ce44c
SHA256

636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a
SHA512

3251c94f6d4ef126474854d598713704353a2d6a0b29f740f13573767d34a093d341fa0b3ae6152bbd565511243540d1b65650b4d09168ec846c131436a54421
SSDEEP

6144:Kjy+bnr+Zp0yN90QEmbLfVCIbPNGeLhXt/7oWNPUtYgudY426wKRmUYxmP/XR:pMrty90OLfVFNrRUjv1KRmZmP/XR

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/0x0008000000023c96-12.dat	healer
behavioral1/memory/4476-15-0x00000000009B0000-0x00000000009BA000-memory.dmp	healer
behavioral1/memory/3364-22-0x0000000002730000-0x000000000274A000-memory.dmp	healer
behavioral1/memory/3364-24-0x00000000028A0000-0x00000000028B8000-memory.dmp	healer
behavioral1/memory/3364-34-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-52-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-50-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-48-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-46-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-44-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-42-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-40-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-38-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-32-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-28-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-26-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-25-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-36-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/3364-30-0x00000000028A0000-0x00000000028B2000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eYA90KG.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dZs39rC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dZs39rC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eYA90KG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eYA90KG.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eYA90KG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eYA90KG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eYA90KG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dZs39rC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dZs39rC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dZs39rC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dZs39rC.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/0x0007000000023c94-57.dat	family_redline
behavioral1/memory/2432-59-0x0000000000AB0000-0x0000000000AE2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4140	nhF00hG68.exe
4476	dZs39rC.exe
3364	eYA90KG.exe
2432	ffU52Zg.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"	dZs39rC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eYA90KG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eYA90KG.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\\\""	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.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\\\""	nhF00hG68.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
64	3364	WerFault.exe	92

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	nhF00hG68.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eYA90KG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffU52Zg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4476	dZs39rC.exe
4476	dZs39rC.exe
3364	eYA90KG.exe
3364	eYA90KG.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	dZs39rC.exe
Token: SeDebugPrivilege	3364	eYA90KG.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4140	4844	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe	83
PID 4844 wrote to memory of 4140	4844	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe	83
PID 4844 wrote to memory of 4140	4844	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe	83
PID 4140 wrote to memory of 4476	4140	nhF00hG68.exe	84
PID 4140 wrote to memory of 4476	4140	nhF00hG68.exe	84
PID 4140 wrote to memory of 3364	4140	nhF00hG68.exe	92
PID 4140 wrote to memory of 3364	4140	nhF00hG68.exe	92
PID 4140 wrote to memory of 3364	4140	nhF00hG68.exe	92
PID 4844 wrote to memory of 2432	4844	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe	96
PID 4844 wrote to memory of 2432	4844	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe	96
PID 4844 wrote to memory of 2432	4844	636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe	96

C:\Users\Admin\AppData\Local\Temp\636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\636d7e66da19ff40731a6d05cc72806ba67270e9bae14c0ffab426610bccfd7a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhF00hG68.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhF00hG68.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZs39rC.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZs39rC.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4476
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYA90KG.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYA90KG.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:3364
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 1104
      4⤵
      Program crash
      PID:64
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ffU52Zg.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ffU52Zg.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3364 -ip 3364
1⤵
PID:4832

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\ffU52Zg.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nhF00hG68.exe

Filesize
333KB

MD5
9cffbb324a1eaa55fc29bb91de5dde67

SHA1
d377804b13aedce4f425d4dbee2cf24d16957775

SHA256
815b58b128a81a5f47c3ed64b08e8fcdd36b646186a387a8d4f06b0014b83f7e

SHA512
3c1e86e8aa10cf50cb8a9b7293364f7c1c4a441f201d7f938b49c0f19d15960cb8b948028643ad0a8a5bdde3093881b9f651c16c6411ba214ef24b73522ce27a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZs39rC.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYA90KG.exe

Filesize
235KB

MD5
51eaf3c9171c3352f9656cae26564893

SHA1
f34140400948baf80b116d9d59839a3f9018168d

SHA256
7f83dffe8e01e47ab8e070ff65d79e728d717efac490183e68ba36908fd2a720

SHA512
dff81178fc1a2e66e701a722244f2bba11994762f11fac71880f82eb816183e61f203fc0ad5adbaa17992f6ccad63f962420a3037ecfc35a21de8af8e091fe02

Download Submit
memory/2432-64-0x0000000005560000-0x00000000055AC000-memory.dmp

Filesize
304KB

Download
memory/2432-63-0x00000000053E0000-0x000000000541C000-memory.dmp

Filesize
240KB

Download
memory/2432-62-0x0000000005380000-0x0000000005392000-memory.dmp

Filesize
72KB

Download
memory/2432-61-0x0000000005450000-0x000000000555A000-memory.dmp

Filesize
1.0MB

Download
memory/2432-60-0x0000000005900000-0x0000000005F18000-memory.dmp

Filesize
6.1MB

Download
memory/2432-59-0x0000000000AB0000-0x0000000000AE2000-memory.dmp

Filesize
200KB

Download
memory/3364-40-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-25-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-48-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-46-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-44-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-42-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-52-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-38-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-32-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-28-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-26-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-50-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-36-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-30-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-53-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3364-55-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3364-34-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/3364-24-0x00000000028A0000-0x00000000028B8000-memory.dmp

Filesize
96KB

Download
memory/3364-23-0x0000000004F30000-0x00000000054D4000-memory.dmp

Filesize
5.6MB

Download
memory/3364-22-0x0000000002730000-0x000000000274A000-memory.dmp

Filesize
104KB

Download
memory/4476-16-0x00007FF879F43000-0x00007FF879F45000-memory.dmp

Filesize
8KB

Download
memory/4476-15-0x00000000009B0000-0x00000000009BA000-memory.dmp

Filesize
40KB

Download
memory/4476-14-0x00007FF879F43000-0x00007FF879F45000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads