healer | 3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a

General

Target

3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe
Size

483KB
MD5

59ffc3e9caafc6f7ec5f89de7f26a5e9
SHA1

4f5985e8e22446983f0fcff230cd97664fe25ad1
SHA256

3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a
SHA512

81043dd9d81f4022a90852201a73db9ca43853fe3ce5e8e57117b89d790345de5f7d68db790c230a6dc6e2a020acade82d9f58aed633624b60d85d5529aaee86
SSDEEP

12288:JMrOy90oE7ofoB++x7ps7yAw5n1Swwny:3yI7ofoBx7p3Aw5n1/6y

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/0x0008000000023cc1-12.dat	healer
behavioral1/memory/2452-15-0x00000000005A0000-0x00000000005AA000-memory.dmp	healer
behavioral1/memory/3584-21-0x0000000002390000-0x00000000023AA000-memory.dmp	healer
behavioral1/memory/3584-23-0x0000000002560000-0x0000000002578000-memory.dmp	healer
behavioral1/memory/3584-29-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-50-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-47-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-45-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-43-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-42-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-39-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-37-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-35-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-31-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-51-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-27-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-25-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-33-0x0000000002560000-0x0000000002572000-memory.dmp	healer
behavioral1/memory/3584-24-0x0000000002560000-0x0000000002572000-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\DisableIOAVProtection = "1"	dEt86Lw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dEt86Lw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dEt86Lw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eXA12FR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eXA12FR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dEt86Lw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dEt86Lw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dEt86Lw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eXA12FR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eXA12FR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eXA12FR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eXA12FR.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/0x0007000000023cbf-56.dat	family_redline
behavioral1/memory/3580-58-0x0000000000A40000-0x0000000000A72000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2276	nzF03eA11.exe
2452	dEt86Lw.exe
3584	eXA12FR.exe
3580	fQp66wP.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eXA12FR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dEt86Lw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eXA12FR.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\\\""	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.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\\\""	nzF03eA11.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3500	3584	WerFault.exe	90

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	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nzF03eA11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eXA12FR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fQp66wP.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2452	dEt86Lw.exe
2452	dEt86Lw.exe
3584	eXA12FR.exe
3584	eXA12FR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	dEt86Lw.exe
Token: SeDebugPrivilege	3584	eXA12FR.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2276	1644	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe	83
PID 1644 wrote to memory of 2276	1644	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe	83
PID 1644 wrote to memory of 2276	1644	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe	83
PID 2276 wrote to memory of 2452	2276	nzF03eA11.exe	84
PID 2276 wrote to memory of 2452	2276	nzF03eA11.exe	84
PID 2276 wrote to memory of 3584	2276	nzF03eA11.exe	90
PID 2276 wrote to memory of 3584	2276	nzF03eA11.exe	90
PID 2276 wrote to memory of 3584	2276	nzF03eA11.exe	90
PID 1644 wrote to memory of 3580	1644	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe	95
PID 1644 wrote to memory of 3580	1644	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe	95
PID 1644 wrote to memory of 3580	1644	3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe	95

C:\Users\Admin\AppData\Local\Temp\3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe
"C:\Users\Admin\AppData\Local\Temp\3b3a88cc7f7ddf4b1c016e94c964353e18e0e8061ae2f4774e5f2ed96af4541a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nzF03eA11.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nzF03eA11.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dEt86Lw.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dEt86Lw.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2452
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXA12FR.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXA12FR.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:3584
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 1052
      4⤵
      Program crash
      PID:3500
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fQp66wP.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fQp66wP.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3584 -ip 3584
1⤵
PID:1404

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\fQp66wP.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nzF03eA11.exe

Filesize
338KB

MD5
ac78f7aabe958006c7d36c447fc45268

SHA1
f9a9247440c31b1ffd92c5bd3bfd00f14e337e7e

SHA256
abe285d3a0edcce2231b7eb7d204349bcdafe711662302ca00ecd7b280bff47a

SHA512
63cd082e6f2df3724cfb142ba0628e543234243b977c1d2f675ca41b87f17bc704c3f452edfda60a400d4d8c420b093c08857cb599bf38f51f5fb09a4dafff35

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dEt86Lw.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eXA12FR.exe

Filesize
257KB

MD5
42f3cdd0ab9ef3da2290e7aef9b9ae06

SHA1
181e0149f58fadf2443ed28a164bc997970d2b6b

SHA256
4b78d91fa2c282a7d372229c420484a38a6b84a07dfee7a98db960f2cc009b9d

SHA512
2b64e98b1bfcd4815d663a3bf1a194de2897bb877057246d6c6ffedb1b665715952942f808406d6dd5079061f987431549de297fbe2f7291b1f900d45c006572

Download Submit
memory/2452-14-0x00007FFFF2FD3000-0x00007FFFF2FD5000-memory.dmp

Filesize
8KB

Download
memory/2452-15-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/3580-63-0x00000000054F0000-0x000000000553C000-memory.dmp

Filesize
304KB

Download
memory/3580-62-0x0000000005370000-0x00000000053AC000-memory.dmp

Filesize
240KB

Download
memory/3580-61-0x0000000005310000-0x0000000005322000-memory.dmp

Filesize
72KB

Download
memory/3580-60-0x00000000053E0000-0x00000000054EA000-memory.dmp

Filesize
1.0MB

Download
memory/3580-59-0x0000000005860000-0x0000000005E78000-memory.dmp

Filesize
6.1MB

Download
memory/3580-58-0x0000000000A40000-0x0000000000A72000-memory.dmp

Filesize
200KB

Download
memory/3584-35-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-33-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-39-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-37-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-43-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-31-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-51-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-27-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-25-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-42-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-24-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-52-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/3584-54-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/3584-45-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-47-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-50-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-29-0x0000000002560000-0x0000000002572000-memory.dmp

Filesize
72KB

Download
memory/3584-23-0x0000000002560000-0x0000000002578000-memory.dmp

Filesize
96KB

Download
memory/3584-22-0x0000000004D40000-0x00000000052E4000-memory.dmp

Filesize
5.6MB

Download
memory/3584-21-0x0000000002390000-0x00000000023AA000-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