healer | 645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0

General

Target

645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe
Size

481KB
MD5

04c625dd46216d155b98c65fdfd99069
SHA1

6d3fc3833f33d8d04a9fb3883b98d9b96c63a2ab
SHA256

645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0
SHA512

a79c5be05cc1199f4896db01eef04ffc89e13a255f6f237fcb4d0dec2552294cc2fecafd5d351bc0c5ce62fbba79f5263d602d7a1ae1d620faecb302f3ba7e3b
SSDEEP

12288:cMrXXy90Wg1IzGwFTZkmvT11AUbqSsDm5T:bXyPg1uGoCu1WUWkh

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/0x0032000000023b75-12.dat	healer
behavioral1/memory/3204-15-0x0000000000320000-0x000000000032A000-memory.dmp	healer
behavioral1/memory/2076-22-0x0000000002470000-0x000000000248A000-memory.dmp	healer
behavioral1/memory/2076-24-0x0000000002670000-0x0000000002688000-memory.dmp	healer
behavioral1/memory/2076-25-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-32-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-52-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-51-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-48-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-46-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-44-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-42-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-41-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-38-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-36-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-34-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-30-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-28-0x0000000002670000-0x0000000002682000-memory.dmp	healer
behavioral1/memory/2076-26-0x0000000002670000-0x0000000002682000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eAa38rx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dlZ47Fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dlZ47Fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dlZ47Fa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eAa38rx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eAa38rx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eAa38rx.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dlZ47Fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dlZ47Fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dlZ47Fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eAa38rx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eAa38rx.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/0x000a000000023b73-57.dat	family_redline
behavioral1/memory/2276-59-0x0000000000570000-0x00000000005A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3568	nfe88My40.exe
3204	dlZ47Fa.exe
2076	eAa38rx.exe
2276	fwP12Ly.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"	dlZ47Fa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eAa38rx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eAa38rx.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nfe88My40.exe
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\\\""	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1584	2076	WerFault.exe	100

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	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nfe88My40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eAa38rx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fwP12Ly.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3204	dlZ47Fa.exe
3204	dlZ47Fa.exe
2076	eAa38rx.exe
2076	eAa38rx.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3204	dlZ47Fa.exe
Token: SeDebugPrivilege	2076	eAa38rx.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 3568	3424	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe	84
PID 3424 wrote to memory of 3568	3424	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe	84
PID 3424 wrote to memory of 3568	3424	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe	84
PID 3568 wrote to memory of 3204	3568	nfe88My40.exe	85
PID 3568 wrote to memory of 3204	3568	nfe88My40.exe	85
PID 3568 wrote to memory of 2076	3568	nfe88My40.exe	100
PID 3568 wrote to memory of 2076	3568	nfe88My40.exe	100
PID 3568 wrote to memory of 2076	3568	nfe88My40.exe	100
PID 3424 wrote to memory of 2276	3424	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe	110
PID 3424 wrote to memory of 2276	3424	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe	110
PID 3424 wrote to memory of 2276	3424	645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe	110

C:\Users\Admin\AppData\Local\Temp\645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe
"C:\Users\Admin\AppData\Local\Temp\645e08b2c1c9fd5e3bbe50f3291d1a489b03a92a3d3ec9ddd2f0d0b5bb4cf1a0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfe88My40.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfe88My40.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlZ47Fa.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlZ47Fa.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3204
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAa38rx.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAa38rx.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:2076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1076
      4⤵
      Program crash
      PID:1584
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwP12Ly.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fwP12Ly.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2076 -ip 2076
1⤵
PID:4768

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\fwP12Ly.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nfe88My40.exe

Filesize
337KB

MD5
6cfdde6b86f07f2d872eff5544718c91

SHA1
7e0053a94fb30bddde462f8cdec70eee848d6d4e

SHA256
612d0791446f75336ce2b0b1e95162f8d0b63be9cb61c764d35b1206d4ea4216

SHA512
5dd833532020507243ab9a4356065d317b21fa424680f516ec653ab81dfb26b199db51844c6aa2bd0a8b8eebb6beb4fc6deac7da9351956399e050a9b7f9babd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlZ47Fa.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAa38rx.exe

Filesize
245KB

MD5
d23b6e7f93be0600ef70b88eba0b02e9

SHA1
7c173033fa51159637ce720cb649aee8cc1b5e1a

SHA256
31cde2aab228129ca55f961c3eeb3e774cf25888f4efd33565193fe483e36f12

SHA512
f66e8ef13b54109de28bbc92cdca91047283f12bb54a07ded4dd605bee956bde27ad36c45944ba7f2d890a063e15957c1b3c8d376658aec6404896c187c55f98

Download Submit
memory/2076-42-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-36-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-22-0x0000000002470000-0x000000000248A000-memory.dmp

Filesize
104KB

Download
memory/2076-23-0x0000000004CD0000-0x0000000005274000-memory.dmp

Filesize
5.6MB

Download
memory/2076-24-0x0000000002670000-0x0000000002688000-memory.dmp

Filesize
96KB

Download
memory/2076-25-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-32-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-52-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-51-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-48-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-46-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-44-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-55-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/2076-41-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-38-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-53-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/2076-34-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-30-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-28-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2076-26-0x0000000002670000-0x0000000002682000-memory.dmp

Filesize
72KB

Download
memory/2276-59-0x0000000000570000-0x00000000005A2000-memory.dmp

Filesize
200KB

Download
memory/2276-60-0x00000000054D0000-0x0000000005AE8000-memory.dmp

Filesize
6.1MB

Download
memory/2276-61-0x0000000005050000-0x000000000515A000-memory.dmp

Filesize
1.0MB

Download
memory/2276-62-0x0000000004F80000-0x0000000004F92000-memory.dmp

Filesize
72KB

Download
memory/2276-63-0x0000000004FE0000-0x000000000501C000-memory.dmp

Filesize
240KB

Download
memory/2276-64-0x0000000005160000-0x00000000051AC000-memory.dmp

Filesize
304KB

Download
memory/3204-16-0x00007FFEC8D13000-0x00007FFEC8D15000-memory.dmp

Filesize
8KB

Download
memory/3204-15-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/3204-14-0x00007FFEC8D13000-0x00007FFEC8D15000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads