healer | 3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309

General

Target

3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe
Size

500KB
MD5

57f85cea55f248f7704419502bb8b2d2
SHA1

187ae59cf52a5f661888a0f73b8a9aa0e20d0294
SHA256

3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309
SHA512

f63038a9ced7120bff245b696e1470f0efcb84251a7dedcbac181a05ae92fe5d56dfa05d3b4a0745b8998a9d02b0d69b5e350ebda68b94301b15a07f9ad98e1a
SSDEEP

12288:RMrCy90KYXGiYcjRePk2bvKQNstY4w0ui:zyHYgctUNTu+4wti

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/0x000b000000023b9b-12.dat	healer
behavioral1/memory/3872-15-0x0000000000FB0000-0x0000000000FBA000-memory.dmp	healer
behavioral1/memory/1500-22-0x0000000000900000-0x000000000091A000-memory.dmp	healer
behavioral1/memory/1500-24-0x0000000002570000-0x0000000002588000-memory.dmp	healer
behavioral1/memory/1500-25-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-32-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-52-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-50-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-48-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-46-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-44-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-43-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-41-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-38-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-36-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-34-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-30-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-28-0x0000000002570000-0x0000000002582000-memory.dmp	healer
behavioral1/memory/1500-26-0x0000000002570000-0x0000000002582000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dvb36jz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dvb36jz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eeN00ow.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eeN00ow.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dvb36jz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dvb36jz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dvb36jz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dvb36jz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eeN00ow.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eeN00ow.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eeN00ow.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eeN00ow.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/0x000a000000023b99-57.dat	family_redline
behavioral1/memory/1636-59-0x0000000000300000-0x0000000000332000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
1308	nER38Fd24.exe
3872	dvb36jz.exe
1500	eeN00ow.exe
1636	fJM98BN.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"	dvb36jz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eeN00ow.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eeN00ow.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\\\""	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.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\\\""	nER38Fd24.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
536	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
432	1500	WerFault.exe	93

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	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nER38Fd24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eeN00ow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fJM98BN.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3872	dvb36jz.exe
3872	dvb36jz.exe
1500	eeN00ow.exe
1500	eeN00ow.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	dvb36jz.exe
Token: SeDebugPrivilege	1500	eeN00ow.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 1308	2448	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe	83
PID 2448 wrote to memory of 1308	2448	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe	83
PID 2448 wrote to memory of 1308	2448	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe	83
PID 1308 wrote to memory of 3872	1308	nER38Fd24.exe	84
PID 1308 wrote to memory of 3872	1308	nER38Fd24.exe	84
PID 1308 wrote to memory of 1500	1308	nER38Fd24.exe	93
PID 1308 wrote to memory of 1500	1308	nER38Fd24.exe	93
PID 1308 wrote to memory of 1500	1308	nER38Fd24.exe	93
PID 2448 wrote to memory of 1636	2448	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe	97
PID 2448 wrote to memory of 1636	2448	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe	97
PID 2448 wrote to memory of 1636	2448	3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe	97

C:\Users\Admin\AppData\Local\Temp\3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe
"C:\Users\Admin\AppData\Local\Temp\3ae17f3cd3c13dda545b1fe2e44251082b0008cdc04e91d96a20cdcbae8b3309.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nER38Fd24.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nER38Fd24.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvb36jz.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvb36jz.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3872
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eeN00ow.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eeN00ow.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:1500
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 1084
      4⤵
      Program crash
      PID:432
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fJM98BN.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fJM98BN.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1500 -ip 1500
1⤵
PID:3096

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:536

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\fJM98BN.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nER38Fd24.exe

Filesize
355KB

MD5
fbaea49d9de7d0e82cac58765ec5f566

SHA1
bae2df585713b32470116e4e0be6f2526d30c614

SHA256
27f81bd1d80ac56b23e30f7267b62f22230f917ad3bad6eb87b669c9f8ccd2c0

SHA512
20a5170f2718a26cef10a3e7b6120c329530a1725cb670f1808e1f30bd560256b4b4266089f075cfe7fb19a821809f8feca2b4f850e3e3bd0addd8dd597721a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvb36jz.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eeN00ow.exe

Filesize
295KB

MD5
95d0521245af8d24fa72f2ce47cded32

SHA1
932f5b5afcf601b954e104b99e1ade36ab999751

SHA256
97b7275d4ab95bf2c78bef4ac6f1809830f976c9bbdc7b069d9ec9dc11611a1f

SHA512
ea320d07786dd617a4450f03f75c8453c3cf70df07cbbce075f45aaf7033be2430798dcccf220e1f8caed30283c235dd1e484d5056152457475ec204153a1c2e

Download Submit
memory/1500-43-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-36-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-22-0x0000000000900000-0x000000000091A000-memory.dmp

Filesize
104KB

Download
memory/1500-23-0x0000000004D10000-0x00000000052B4000-memory.dmp

Filesize
5.6MB

Download
memory/1500-24-0x0000000002570000-0x0000000002588000-memory.dmp

Filesize
96KB

Download
memory/1500-25-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-32-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-52-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-50-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-48-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-46-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-44-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-55-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/1500-41-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-38-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-53-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/1500-34-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-30-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-28-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1500-26-0x0000000002570000-0x0000000002582000-memory.dmp

Filesize
72KB

Download
memory/1636-59-0x0000000000300000-0x0000000000332000-memory.dmp

Filesize
200KB

Download
memory/1636-60-0x0000000005290000-0x00000000058A8000-memory.dmp

Filesize
6.1MB

Download
memory/1636-61-0x0000000004DE0000-0x0000000004EEA000-memory.dmp

Filesize
1.0MB

Download
memory/1636-62-0x0000000004D10000-0x0000000004D22000-memory.dmp

Filesize
72KB

Download
memory/1636-63-0x0000000004EF0000-0x0000000004F2C000-memory.dmp

Filesize
240KB

Download
memory/1636-64-0x0000000004D70000-0x0000000004DBC000-memory.dmp

Filesize
304KB

Download
memory/3872-16-0x00007FFB51D43000-0x00007FFB51D45000-memory.dmp

Filesize
8KB

Download
memory/3872-15-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

Filesize
40KB

Download
memory/3872-14-0x00007FFB51D43000-0x00007FFB51D45000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads