healer | e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab

General

Target

e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe
Size

482KB
MD5

b775b6b5171dfa67af43a9c27852bea2
SHA1

4f718974b5f29a3907193d0410d5eec4fe60190c
SHA256

e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab
SHA512

83925e04ee3abb0395d4977d1f7beb424f7badd66004640d7d39179da215a563d7d29a5f993f013b0484cdddb748921e6036ce0baa5cbbaa3169a538af026fd4
SSDEEP

12288:nMrFy90qEtQ/XgyugGI9QbCDQKaUTp9pec1rPax7sKzc:eyySYyuvI96s7akprecQjzc

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/0x0008000000023ca3-12.dat	healer
behavioral1/memory/3544-15-0x0000000000890000-0x000000000089A000-memory.dmp	healer
behavioral1/memory/792-22-0x0000000002320000-0x000000000233A000-memory.dmp	healer
behavioral1/memory/792-24-0x0000000004B20000-0x0000000004B38000-memory.dmp	healer
behavioral1/memory/792-26-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-52-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-48-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-46-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-44-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-40-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-38-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-36-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-34-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-32-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-30-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-28-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-25-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-51-0x0000000004B20000-0x0000000004B32000-memory.dmp	healer
behavioral1/memory/792-42-0x0000000004B20000-0x0000000004B32000-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\DisableScanOnRealtimeEnable = "1"	dUz47gM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	edY82ek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	edY82ek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	edY82ek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dUz47gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dUz47gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dUz47gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	edY82ek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	edY82ek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	edY82ek.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dUz47gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dUz47gM.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/0x0007000000023ca0-58.dat	family_redline
behavioral1/memory/432-59-0x00000000001A0000-0x00000000001D2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3676	nyy04dw14.exe
3544	dUz47gM.exe
792	edY82ek.exe
432	foP93bZ.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"	dUz47gM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	edY82ek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	edY82ek.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\\\""	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.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\\\""	nyy04dw14.exe

Launches sc.exe 1 IoCs

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

pid	Process
736	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4168	792	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	nyy04dw14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edY82ek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	foP93bZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3544	dUz47gM.exe
3544	dUz47gM.exe
792	edY82ek.exe
792	edY82ek.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3544	dUz47gM.exe
Token: SeDebugPrivilege	792	edY82ek.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 3676	4648	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe	83
PID 4648 wrote to memory of 3676	4648	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe	83
PID 4648 wrote to memory of 3676	4648	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe	83
PID 3676 wrote to memory of 3544	3676	nyy04dw14.exe	84
PID 3676 wrote to memory of 3544	3676	nyy04dw14.exe	84
PID 3676 wrote to memory of 792	3676	nyy04dw14.exe	93
PID 3676 wrote to memory of 792	3676	nyy04dw14.exe	93
PID 3676 wrote to memory of 792	3676	nyy04dw14.exe	93
PID 4648 wrote to memory of 432	4648	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe	97
PID 4648 wrote to memory of 432	4648	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe	97
PID 4648 wrote to memory of 432	4648	e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe	97

C:\Users\Admin\AppData\Local\Temp\e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe
"C:\Users\Admin\AppData\Local\Temp\e389fb623688282a5e927e0d9e4b053ab3dd6a50b7318bdd2121fa1ea2bd6dab.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyy04dw14.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyy04dw14.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3676
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUz47gM.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUz47gM.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3544
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edY82ek.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edY82ek.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:792
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 1092
      4⤵
      Program crash
      PID:4168
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\foP93bZ.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\foP93bZ.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 792 -ip 792
1⤵
PID:4784

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:736

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\foP93bZ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyy04dw14.exe

Filesize
338KB

MD5
8f6f5235161d473a9558b593a2e48aa4

SHA1
a8e44337dce19dee6478be4c472fcdaffd4bd4f4

SHA256
6ce16eaa9d6af6106ec855bb747a18865cfab7574b9ab17d86761da7f610eade

SHA512
c8c348e6e8da225748c12f4f05e89210c2fc5efbf93cc0e388e09ca75a04a0ab26afd8bfc5494c8ef62d72dccf644aa7e91954fa092dc75bf30dc42f5ea31c22

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dUz47gM.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edY82ek.exe

Filesize
257KB

MD5
e49fa5ba43614c20a6e9a653b500e5bd

SHA1
d6d76389cf00507f93509977259ba8c0a9fb599e

SHA256
02f7b7bdcf207c8150a02f146d1f6c999cb01bf9097ab0c9afff913b822f2b28

SHA512
7db255689df4aab22921ab01c7f7336adea135a06da23d9ad9de2a2db44b8b0547e9279c73dd4ac2cf48aedb8f24c0ac42f81449a4bbf8b15456f08bdd759349

Download Submit
memory/432-64-0x0000000004C50000-0x0000000004C9C000-memory.dmp

Filesize
304KB

Download
memory/432-63-0x0000000004AD0000-0x0000000004B0C000-memory.dmp

Filesize
240KB

Download
memory/432-62-0x0000000004A70000-0x0000000004A82000-memory.dmp

Filesize
72KB

Download
memory/432-61-0x0000000004B40000-0x0000000004C4A000-memory.dmp

Filesize
1.0MB

Download
memory/432-60-0x0000000004FD0000-0x00000000055E8000-memory.dmp

Filesize
6.1MB

Download
memory/432-59-0x00000000001A0000-0x00000000001D2000-memory.dmp

Filesize
200KB

Download
memory/792-36-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-25-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-46-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-44-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-40-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-38-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-52-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-34-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-32-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-30-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-28-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-48-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-51-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-42-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-53-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/792-55-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/792-26-0x0000000004B20000-0x0000000004B32000-memory.dmp

Filesize
72KB

Download
memory/792-24-0x0000000004B20000-0x0000000004B38000-memory.dmp

Filesize
96KB

Download
memory/792-23-0x0000000004C60000-0x0000000005204000-memory.dmp

Filesize
5.6MB

Download
memory/792-22-0x0000000002320000-0x000000000233A000-memory.dmp

Filesize
104KB

Download
memory/3544-16-0x00007FFB68C13000-0x00007FFB68C15000-memory.dmp

Filesize
8KB

Download
memory/3544-15-0x0000000000890000-0x000000000089A000-memory.dmp

Filesize
40KB

Download
memory/3544-14-0x00007FFB68C13000-0x00007FFB68C15000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads