healer | 3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0

General

Target

3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe
Size

470KB
MD5

39bc26e6fae2521ce3918594f1854eb8
SHA1

90fb32495da7bf538b2df5920dfe0a82835cc997
SHA256

3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0
SHA512

013bb66174bc6a2f4d94b48b4c031ae2f4bd34a8825952d94669b549ed61911ec0f27e49facd8d7b68015371e106e5e6f79f5aecee8107a97971afdcc657b16f
SSDEEP

6144:KYy+bnr+Fp0yN90QEOpoeB4yw5zEF4jgWilahFEHur9mwafuVV5Jq0QJglcda48:kMr9y90ILB4G8gUH9BVV5gtC

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 17 IoCs

resource	yara_rule
behavioral1/memory/4528-19-0x0000000002610000-0x000000000262A000-memory.dmp	healer
behavioral1/memory/4528-21-0x00000000028A0000-0x00000000028B8000-memory.dmp	healer
behavioral1/memory/4528-31-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-49-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-47-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-45-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-43-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-41-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-39-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-37-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-35-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-33-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-29-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-25-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-23-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-22-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer
behavioral1/memory/4528-27-0x00000000028A0000-0x00000000028B2000-memory.dmp	healer

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

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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\DisableBehaviorMonitoring = "1"	bdz82Iu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bdz82Iu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bdz82Iu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bdz82Iu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bdz82Iu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bdz82Iu.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/0x0007000000023cd6-57.dat	family_redline
behavioral1/memory/1380-59-0x00000000008F0000-0x0000000000922000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
2348	nKA83GG.exe
4528	bdz82Iu.exe
1380	dKB22HY.exe

Windows security modification 2 TTPs 2 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	bdz82Iu.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bdz82Iu.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\\\""	3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.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\\\""	nKA83GG.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4016	4528	WerFault.exe	85

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	nKA83GG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bdz82Iu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dKB22HY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4528	bdz82Iu.exe
4528	bdz82Iu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4528	bdz82Iu.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 2348	4700	3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe	84
PID 4700 wrote to memory of 2348	4700	3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe	84
PID 4700 wrote to memory of 2348	4700	3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe	84
PID 2348 wrote to memory of 4528	2348	nKA83GG.exe	85
PID 2348 wrote to memory of 4528	2348	nKA83GG.exe	85
PID 2348 wrote to memory of 4528	2348	nKA83GG.exe	85
PID 2348 wrote to memory of 1380	2348	nKA83GG.exe	95
PID 2348 wrote to memory of 1380	2348	nKA83GG.exe	95
PID 2348 wrote to memory of 1380	2348	nKA83GG.exe	95

C:\Users\Admin\AppData\Local\Temp\3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe
"C:\Users\Admin\AppData\Local\Temp\3f4fb1da95ccaca483e9d855e1d8e2e2b24f6f41cbb5900f1d96210cd4d2e1a0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKA83GG.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKA83GG.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdz82Iu.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdz82Iu.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:4528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 1096
      4⤵
      Program crash
      PID:4016
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dKB22HY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dKB22HY.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4528 -ip 4528
1⤵
PID:2264

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\nKA83GG.exe

Filesize
366KB

MD5
93aa0fa5593d2fb0068ab99b24e0184f

SHA1
e862df8fa34152bc8a83f1e2db5b53cb0d73576c

SHA256
4add818bb0c473e84a27100ea24ba0bfd93360da60c952e75f01c718b917814e

SHA512
4018341c5a1de91ac88c8d81d0aa120b8ae8bdbe798e1874fb6241e62db0ad3ca34cdf83dde48148db62168ac3ecd1c8ef4473738ed203d0a2c2315e4b345474

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bdz82Iu.exe

Filesize
220KB

MD5
de42ca5e48e76be8fc7fd36752b6eb50

SHA1
c594fea49882a1f0c4745c38de903c8f3e963acd

SHA256
9be125a22fe4bbedcd63b46faf563f107bb54c1f6c894e45b4794c3e184aa0aa

SHA512
b4dbe8b6ed6cf26a7225ef2a8af07629fdcc447920dd8bb5362cefdbbafe439ef92e5011c8c26716dba06646d161eca676470e484995173dd39dc42db454ff7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dKB22HY.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1380-64-0x00000000054E0000-0x000000000552C000-memory.dmp

Filesize
304KB

Download
memory/1380-63-0x0000000005360000-0x000000000539C000-memory.dmp

Filesize
240KB

Download
memory/1380-62-0x0000000005300000-0x0000000005312000-memory.dmp

Filesize
72KB

Download
memory/1380-61-0x00000000053D0000-0x00000000054DA000-memory.dmp

Filesize
1.0MB

Download
memory/1380-60-0x0000000005870000-0x0000000005E88000-memory.dmp

Filesize
6.1MB

Download
memory/1380-59-0x00000000008F0000-0x0000000000922000-memory.dmp

Filesize
200KB

Download
memory/4528-37-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-22-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-47-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-45-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-43-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-41-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-39-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-31-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-35-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-33-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-29-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-25-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-23-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-49-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-27-0x00000000028A0000-0x00000000028B2000-memory.dmp

Filesize
72KB

Download
memory/4528-50-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download
memory/4528-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4528-54-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/4528-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4528-21-0x00000000028A0000-0x00000000028B8000-memory.dmp

Filesize
96KB

Download
memory/4528-20-0x0000000004DE0000-0x0000000005384000-memory.dmp

Filesize
5.6MB

Download
memory/4528-19-0x0000000002610000-0x000000000262A000-memory.dmp

Filesize
104KB

Download
memory/4528-18-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/4528-17-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/4528-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4528-15-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads