healer | f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5

General

Target

f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe
Size

478KB
MD5

10d44ddeefeaaba389f2f1da536be1ad
SHA1

98a49ff123969a16873d324783fa0d4bdd1eeb47
SHA256

f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5
SHA512

bb2e4c267a9aacf7ad99d0c6ea3af9149f54629e59343813df6dc6d8052190f78ddbe8d182e5e4ade569ea6e4a14a1f8a2b9d6ef9e88ca7a68122e41410fb249
SSDEEP

12288:3MrVy90nN/XEpxgMpYBS55xktqy//2vly:OyA/XYxoE5e1/2o

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/0x000b000000023b5e-12.dat	healer
behavioral1/memory/3632-15-0x00000000000E0000-0x00000000000EA000-memory.dmp	healer
behavioral1/memory/3744-22-0x00000000024C0000-0x00000000024DA000-memory.dmp	healer
behavioral1/memory/3744-24-0x0000000005200000-0x0000000005218000-memory.dmp	healer
behavioral1/memory/3744-52-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-50-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-48-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-46-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-44-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-43-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-40-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-38-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-36-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-34-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-32-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-30-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-28-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-26-0x0000000005200000-0x0000000005212000-memory.dmp	healer
behavioral1/memory/3744-25-0x0000000005200000-0x0000000005212000-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\DisableScanOnRealtimeEnable = "1"	ejW45Sw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dcv32Ug.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	ejW45Sw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ejW45Sw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	ejW45Sw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dcv32Ug.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ejW45Sw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ejW45Sw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dcv32Ug.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dcv32Ug.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dcv32Ug.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dcv32Ug.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/0x0031000000023b5c-58.dat	family_redline
behavioral1/memory/3408-59-0x00000000006B0000-0x00000000006E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4404	nov73Zw91.exe
3632	dcv32Ug.exe
3744	ejW45Sw.exe
3408	fRO50oM.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"	dcv32Ug.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	ejW45Sw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ejW45Sw.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\\\""	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.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\\\""	nov73Zw91.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4320	3744	WerFault.exe	97

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	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nov73Zw91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ejW45Sw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fRO50oM.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3632	dcv32Ug.exe
3632	dcv32Ug.exe
3744	ejW45Sw.exe
3744	ejW45Sw.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3632	dcv32Ug.exe
Token: SeDebugPrivilege	3744	ejW45Sw.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 4404	2036	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe	84
PID 2036 wrote to memory of 4404	2036	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe	84
PID 2036 wrote to memory of 4404	2036	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe	84
PID 4404 wrote to memory of 3632	4404	nov73Zw91.exe	85
PID 4404 wrote to memory of 3632	4404	nov73Zw91.exe	85
PID 4404 wrote to memory of 3744	4404	nov73Zw91.exe	97
PID 4404 wrote to memory of 3744	4404	nov73Zw91.exe	97
PID 4404 wrote to memory of 3744	4404	nov73Zw91.exe	97
PID 2036 wrote to memory of 3408	2036	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe	102
PID 2036 wrote to memory of 3408	2036	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe	102
PID 2036 wrote to memory of 3408	2036	f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe	102

C:\Users\Admin\AppData\Local\Temp\f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe
"C:\Users\Admin\AppData\Local\Temp\f83eb8fbb47ba3a9acd24b157405896ef554a306562f7e4f6179a41358417ca5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nov73Zw91.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nov73Zw91.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcv32Ug.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcv32Ug.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3632
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejW45Sw.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejW45Sw.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:3744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 1080
      4⤵
      Program crash
      PID:4320
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRO50oM.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fRO50oM.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3744 -ip 3744
1⤵
PID:4624

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\fRO50oM.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nov73Zw91.exe

Filesize
334KB

MD5
53eddc8a9418c99a7bd5e2ffc6462d13

SHA1
467027c964f1c748808c11d19903046aedbcedbb

SHA256
ea815f18a9d9ea0068d26d3c46d95f7632d332d99e145727d16e34b07a2ba3c3

SHA512
87c2468053c9ee34f8fc6bb0bc181f536284d730f7fcc8bc0c19ac9235ebd8d932634eebc0b4975f21016f27925717187280068c17682c1c985049873e39be3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcv32Ug.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejW45Sw.exe

Filesize
241KB

MD5
f2bcb17a128cbfa928ca290d240f9601

SHA1
487e8bd83d6aa5a8633562ff09254ae922f158f6

SHA256
986bc0236c044a0f4a4e94f3232e1d7d34ce488c289639e059456fb80184b2e6

SHA512
4ee4abb1b4c7d4c23e9e40d9ab857b72fbf36f5688bcbb5a4b674620843a0f3f5fed178405f2ac587f9e2a56c91cb1b0d584ff876c5e5639f91fb42b76b1e923

Download Submit
memory/3408-61-0x0000000005050000-0x000000000515A000-memory.dmp

Filesize
1.0MB

Download
memory/3408-64-0x0000000005160000-0x00000000051AC000-memory.dmp

Filesize
304KB

Download
memory/3408-63-0x0000000005010000-0x000000000504C000-memory.dmp

Filesize
240KB

Download
memory/3408-62-0x0000000004F80000-0x0000000004F92000-memory.dmp

Filesize
72KB

Download
memory/3408-60-0x00000000054D0000-0x0000000005AE8000-memory.dmp

Filesize
6.1MB

Download
memory/3408-59-0x00000000006B0000-0x00000000006E2000-memory.dmp

Filesize
200KB

Download
memory/3632-16-0x00007FF9DE053000-0x00007FF9DE055000-memory.dmp

Filesize
8KB

Download
memory/3632-15-0x00000000000E0000-0x00000000000EA000-memory.dmp

Filesize
40KB

Download
memory/3632-14-0x00007FF9DE053000-0x00007FF9DE055000-memory.dmp

Filesize
8KB

Download
memory/3744-38-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-26-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-40-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-44-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-36-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-34-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-32-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-30-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-28-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-43-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-25-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-53-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/3744-55-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/3744-46-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-48-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-50-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-52-0x0000000005200000-0x0000000005212000-memory.dmp

Filesize
72KB

Download
memory/3744-24-0x0000000005200000-0x0000000005218000-memory.dmp

Filesize
96KB

Download
memory/3744-23-0x0000000004C30000-0x00000000051D4000-memory.dmp

Filesize
5.6MB

Download
memory/3744-22-0x00000000024C0000-0x00000000024DA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads