healer | 4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e

General

Target

4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe
Size

484KB
MD5

1c7a52bffc65a15910b535af18c7d6cc
SHA1

b11ec81a37da568a7370afee88a6bc54efc38b79
SHA256

4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e
SHA512

38ad8bcc64039712502de71a73628b85cf5cf6e4d9683fc60274cdd692bfed4dc9b630ccf452a8dc441f38da03bf957a3f4e47517854aa57997ee04f246156df
SSDEEP

12288:3MrVy9096VgZe/Zg6EyAWtcC6Z5unypICkVk9z8N:uy27+PELWtR6LVpIMz8N

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/0x0008000000023c99-13.dat	healer
behavioral1/memory/3132-15-0x00000000005A0000-0x00000000005AA000-memory.dmp	healer
behavioral1/memory/4904-22-0x0000000002870000-0x000000000288A000-memory.dmp	healer
behavioral1/memory/4904-24-0x00000000028F0000-0x0000000002908000-memory.dmp	healer
behavioral1/memory/4904-25-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-32-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-52-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-50-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-48-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-46-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-44-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-42-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-40-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-38-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-36-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-34-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-30-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-28-0x00000000028F0000-0x0000000002902000-memory.dmp	healer
behavioral1/memory/4904-26-0x00000000028F0000-0x0000000002902000-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\DisableOnAccessProtection = "1"	eFX56Eg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dKY52WH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dKY52WH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dKY52WH.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eFX56Eg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eFX56Eg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eFX56Eg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dKY52WH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dKY52WH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dKY52WH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eFX56Eg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eFX56Eg.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/0x0007000000023c97-57.dat	family_redline
behavioral1/memory/4820-59-0x0000000000DB0000-0x0000000000DE2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3788	nQh52Kh56.exe
3132	dKY52WH.exe
4904	eFX56Eg.exe
4820	fKw48rN.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"	dKY52WH.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eFX56Eg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eFX56Eg.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\\\""	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.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\\\""	nQh52Kh56.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4000	4904	WerFault.exe	94

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	fKw48rN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nQh52Kh56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eFX56Eg.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3132	dKY52WH.exe
3132	dKY52WH.exe
4904	eFX56Eg.exe
4904	eFX56Eg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3132	dKY52WH.exe
Token: SeDebugPrivilege	4904	eFX56Eg.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3788	5112	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe	83
PID 5112 wrote to memory of 3788	5112	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe	83
PID 5112 wrote to memory of 3788	5112	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe	83
PID 3788 wrote to memory of 3132	3788	nQh52Kh56.exe	84
PID 3788 wrote to memory of 3132	3788	nQh52Kh56.exe	84
PID 3788 wrote to memory of 4904	3788	nQh52Kh56.exe	94
PID 3788 wrote to memory of 4904	3788	nQh52Kh56.exe	94
PID 3788 wrote to memory of 4904	3788	nQh52Kh56.exe	94
PID 5112 wrote to memory of 4820	5112	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe	99
PID 5112 wrote to memory of 4820	5112	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe	99
PID 5112 wrote to memory of 4820	5112	4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe	99

C:\Users\Admin\AppData\Local\Temp\4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe
"C:\Users\Admin\AppData\Local\Temp\4ca7601cd9fbdc6a5ceaeb4f0d8de9d250c812bbdecae8b901f29be7367d6f1e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQh52Kh56.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQh52Kh56.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3788
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dKY52WH.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dKY52WH.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3132
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFX56Eg.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFX56Eg.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:4904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 1064
      4⤵
      Program crash
      PID:4000
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKw48rN.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKw48rN.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4904 -ip 4904
1⤵
PID:1748

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKw48rN.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQh52Kh56.exe

Filesize
339KB

MD5
6d690dc4b5f5edaba184820e54d64dfc

SHA1
d38387b66f499838da9621cc5bddf5a3ff78bcf4

SHA256
1c1bee3ff3efb8592e864d7a9eb513527c203dc48860066100a1716382747132

SHA512
915158fc1c72deac64f688546dbe94665b3be9d1e57328c293809f3c7d58f087340ec2a429220d0caa13da4d7b9c8eeb218bcea5907b0a01f8333e4c630469c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dKY52WH.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eFX56Eg.exe

Filesize
249KB

MD5
ab970bf25face7f80c360eb7d19b093c

SHA1
919fef0e22047325ee051f47a33ecb55545868ab

SHA256
432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373

SHA512
cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c

Download Submit
memory/3132-14-0x00007FFE59343000-0x00007FFE59345000-memory.dmp

Filesize
8KB

Download
memory/3132-15-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/3132-16-0x00007FFE59343000-0x00007FFE59345000-memory.dmp

Filesize
8KB

Download
memory/4820-64-0x0000000005860000-0x00000000058AC000-memory.dmp

Filesize
304KB

Download
memory/4820-62-0x0000000005680000-0x0000000005692000-memory.dmp

Filesize
72KB

Download
memory/4820-61-0x0000000005750000-0x000000000585A000-memory.dmp

Filesize
1.0MB

Download
memory/4820-60-0x0000000005BD0000-0x00000000061E8000-memory.dmp

Filesize
6.1MB

Download
memory/4820-59-0x0000000000DB0000-0x0000000000DE2000-memory.dmp

Filesize
200KB

Download
memory/4820-63-0x00000000056E0000-0x000000000571C000-memory.dmp

Filesize
240KB

Download
memory/4904-42-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-28-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-44-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-48-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-40-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-38-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-36-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-34-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-30-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-46-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-26-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-53-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/4904-55-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/4904-50-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-52-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-32-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-25-0x00000000028F0000-0x0000000002902000-memory.dmp

Filesize
72KB

Download
memory/4904-24-0x00000000028F0000-0x0000000002908000-memory.dmp

Filesize
96KB

Download
memory/4904-23-0x0000000004D60000-0x0000000005304000-memory.dmp

Filesize
5.6MB

Download
memory/4904-22-0x0000000002870000-0x000000000288A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads