healer | 9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0

General

Target

9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe
Size

499KB
MD5

474bb59c2e0fd4304a48dbaf46fbccc6
SHA1

31760d6126e93995c513281f6a4c9e6fcebda08b
SHA256

9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0
SHA512

1bd1b45b3371e399ad214ea233b16a5a939f402a91906db08070d8e8aa60470332e97b99d6c3ee8729b71a84f0065c278416b03c0a33f4103f0bd6acc0f58d16
SSDEEP

6144:KPy+bnr+3p0yN90QEO20+ZGcGtuZnSSoTkeuYFBITaHOXHH6zhv2VSvYxvgrIJxh:tMr3y906+ZecSXwaUahrvS3JxjgoEu/

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/0x0008000000023c91-12.dat	healer
behavioral1/memory/456-15-0x0000000000160000-0x000000000016A000-memory.dmp	healer
behavioral1/memory/4388-22-0x0000000002440000-0x000000000245A000-memory.dmp	healer
behavioral1/memory/4388-24-0x0000000002830000-0x0000000002848000-memory.dmp	healer
behavioral1/memory/4388-52-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-51-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-49-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-46-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-44-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-42-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-40-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-38-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-37-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-34-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-33-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-31-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-28-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-26-0x0000000002830000-0x0000000002842000-memory.dmp	healer
behavioral1/memory/4388-25-0x0000000002830000-0x0000000002842000-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	dGA36JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dGA36JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dGA36JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dGA36JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ePq90dg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ePq90dg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	ePq90dg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dGA36JC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dGA36JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	ePq90dg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ePq90dg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	ePq90dg.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/0x0007000000023c8f-57.dat	family_redline
behavioral1/memory/2968-59-0x0000000000F10000-0x0000000000F42000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
1088	nEm75qt94.exe
456	dGA36JC.exe
4388	ePq90dg.exe
2968	fwY73RT.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"	dGA36JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	ePq90dg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ePq90dg.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\\\""	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.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\\\""	nEm75qt94.exe

Launches sc.exe 1 IoCs

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

pid	Process
2592	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3236	4388	WerFault.exe	95

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	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nEm75qt94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ePq90dg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fwY73RT.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
456	dGA36JC.exe
456	dGA36JC.exe
4388	ePq90dg.exe
4388	ePq90dg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	dGA36JC.exe
Token: SeDebugPrivilege	4388	ePq90dg.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 1088	5076	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe	85
PID 5076 wrote to memory of 1088	5076	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe	85
PID 5076 wrote to memory of 1088	5076	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe	85
PID 1088 wrote to memory of 456	1088	nEm75qt94.exe	87
PID 1088 wrote to memory of 456	1088	nEm75qt94.exe	87
PID 1088 wrote to memory of 4388	1088	nEm75qt94.exe	95
PID 1088 wrote to memory of 4388	1088	nEm75qt94.exe	95
PID 1088 wrote to memory of 4388	1088	nEm75qt94.exe	95
PID 5076 wrote to memory of 2968	5076	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe	99
PID 5076 wrote to memory of 2968	5076	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe	99
PID 5076 wrote to memory of 2968	5076	9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe	99

C:\Users\Admin\AppData\Local\Temp\9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe
"C:\Users\Admin\AppData\Local\Temp\9b23afb0366b7438c5179dbbe679c95959ccad51d2e469699ef47379bc5221b0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEm75qt94.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEm75qt94.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGA36JC.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGA36JC.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:456
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ePq90dg.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ePq90dg.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:4388
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 1084
      4⤵
      Program crash
      PID:3236
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwY73RT.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwY73RT.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4388 -ip 4388
1⤵
PID:1352

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:2592

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\fwY73RT.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nEm75qt94.exe

Filesize
355KB

MD5
c195c243ab01b17a8c7f4e9d1819e82d

SHA1
829069c3e883cc7597542ce03f5e4eee3c2dfe32

SHA256
f81b76c44395a78329c6a5068c2703bda2f6462eee6bb4a97f31cdaf622937dd

SHA512
5191f9cbcd333aa411b0e0348865fdcf0b88de713e8ae95b445b9825f5b1ecfa5b00129a4f644efb6fbe5c05be0aa555b2622dae2c0fde7670a3ed1404ddb294

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dGA36JC.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ePq90dg.exe

Filesize
295KB

MD5
b56f1bee1d520634cb38ac5b0c935a46

SHA1
ce066e6f10053af6d61cf4f0c1b25359537f286c

SHA256
07afc589fecdfc24ae8baa51a0374074cda4c4b14a8d33b7a8313ad0f5e47b93

SHA512
81cfd8b880aac14959eb7b282cfe4f44a473482eeb0c955c8dbd962fc25978ad07a1355848560f3f5def0f4116d2aae7c7c7f8902850a2a3bc3b6cc135d51c34

Download Submit
memory/456-14-0x00007FF819A33000-0x00007FF819A35000-memory.dmp

Filesize
8KB

Download
memory/456-15-0x0000000000160000-0x000000000016A000-memory.dmp

Filesize
40KB

Download
memory/456-16-0x00007FF819A33000-0x00007FF819A35000-memory.dmp

Filesize
8KB

Download
memory/2968-64-0x00000000059C0000-0x0000000005A0C000-memory.dmp

Filesize
304KB

Download
memory/2968-62-0x00000000057F0000-0x0000000005802000-memory.dmp

Filesize
72KB

Download
memory/2968-61-0x00000000058B0000-0x00000000059BA000-memory.dmp

Filesize
1.0MB

Download
memory/2968-60-0x0000000005D70000-0x0000000006388000-memory.dmp

Filesize
6.1MB

Download
memory/2968-59-0x0000000000F10000-0x0000000000F42000-memory.dmp

Filesize
200KB

Download
memory/2968-63-0x0000000005850000-0x000000000588C000-memory.dmp

Filesize
240KB

Download
memory/4388-38-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-26-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-40-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-44-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-37-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-34-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-33-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-31-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-28-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-42-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-25-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-53-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4388-55-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4388-46-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-49-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-51-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-52-0x0000000002830000-0x0000000002842000-memory.dmp

Filesize
72KB

Download
memory/4388-24-0x0000000002830000-0x0000000002848000-memory.dmp

Filesize
96KB

Download
memory/4388-23-0x0000000004D40000-0x00000000052E4000-memory.dmp

Filesize
5.6MB

Download
memory/4388-22-0x0000000002440000-0x000000000245A000-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