healer | f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08

General

Target

f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe
Size

500KB
MD5

6dfdffd81609483c364add6c0de301d4
SHA1

19e2a370b503c213d1d06e630d506f13581f5dda
SHA256

f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08
SHA512

56325014063f368425b2e64f9bd42f428afd77be4e54a7dc0ef5668375a09f266f347e24e63b21435cf7280244ea46f4b90cc06c57a010d2e6fe0e1a225c2030
SSDEEP

12288:JMrBy90TiUbBxIE9X7iazS8G/SzC6EVLEOq:EyEBxjXGYSL6EB8

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/0x000b000000023b77-12.dat	healer
behavioral1/memory/1380-15-0x0000000000610000-0x000000000061A000-memory.dmp	healer
behavioral1/memory/3236-22-0x00000000025D0000-0x00000000025EA000-memory.dmp	healer
behavioral1/memory/3236-24-0x0000000005130000-0x0000000005148000-memory.dmp	healer
behavioral1/memory/3236-48-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-52-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-50-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-46-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-45-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-42-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-41-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-39-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-36-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-34-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-30-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-28-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-26-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-32-0x0000000005130000-0x0000000005142000-memory.dmp	healer
behavioral1/memory/3236-25-0x0000000005130000-0x0000000005142000-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\DisableIOAVProtection = "1"	etB29bn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dYb83Vd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dYb83Vd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	etB29bn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	etB29bn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	etB29bn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	etB29bn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	etB29bn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dYb83Vd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dYb83Vd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dYb83Vd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dYb83Vd.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/0x0031000000023b75-57.dat	family_redline
behavioral1/memory/2840-59-0x0000000000B10000-0x0000000000B42000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2748	nSZ80Je33.exe
1380	dYb83Vd.exe
3236	etB29bn.exe
2840	fps43Tx.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"	dYb83Vd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	etB29bn.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	etB29bn.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\\\""	nSZ80Je33.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\\\""	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4932	3236	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	fps43Tx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nSZ80Je33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	etB29bn.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1380	dYb83Vd.exe
1380	dYb83Vd.exe
3236	etB29bn.exe
3236	etB29bn.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	dYb83Vd.exe
Token: SeDebugPrivilege	3236	etB29bn.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 2748	3896	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe	83
PID 3896 wrote to memory of 2748	3896	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe	83
PID 3896 wrote to memory of 2748	3896	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe	83
PID 2748 wrote to memory of 1380	2748	nSZ80Je33.exe	84
PID 2748 wrote to memory of 1380	2748	nSZ80Je33.exe	84
PID 2748 wrote to memory of 3236	2748	nSZ80Je33.exe	93
PID 2748 wrote to memory of 3236	2748	nSZ80Je33.exe	93
PID 2748 wrote to memory of 3236	2748	nSZ80Je33.exe	93
PID 3896 wrote to memory of 2840	3896	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe	97
PID 3896 wrote to memory of 2840	3896	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe	97
PID 3896 wrote to memory of 2840	3896	f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe	97

C:\Users\Admin\AppData\Local\Temp\f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe
"C:\Users\Admin\AppData\Local\Temp\f2bcfa0a8bf16a6f57a298c98a30b5f05e93a9d12f8c5f2e00283653ab438c08.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSZ80Je33.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSZ80Je33.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYb83Vd.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYb83Vd.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1380
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etB29bn.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etB29bn.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:3236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1084
      4⤵
      Program crash
      PID:4932
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fps43Tx.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fps43Tx.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3236 -ip 3236
1⤵
PID:1900

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\fps43Tx.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSZ80Je33.exe

Filesize
355KB

MD5
921cf633fd5c431a31bd43080f7f2a98

SHA1
88087174eea96aa30b551ef38b9f73034c6a84fc

SHA256
1bdd73c659dbe58da6d1d4d5f4bcbc7a879cfa808d5ee10046ed58c45d57d7d7

SHA512
bbca47e8d38e0e6d15ec7e7e3447cb1fb2f43a8cc5642f5c9a81451adf597f40b78a1101edf48700abbb19a371819d55a2fcc6de2743526e008e5cea07aefd57

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYb83Vd.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etB29bn.exe

Filesize
294KB

MD5
e756f652b55d5cdea64c99e99dd2944b

SHA1
4b029d66a9191401600ce49ee339978e51655c4d

SHA256
43e64e06e9b8d9beef5843448023d8741fc39f96ac82dabf28d5daa2a4ec74a8

SHA512
9cae586c698a5b6061cc2b52e2cea9de7baaf266f24259c1833588c9448a416a59dd45921de2e17597ce8b03447c83f26ec83e3f4c2e23f7d53345856ca8c457

Download Submit
memory/1380-14-0x00007FFF47EB3000-0x00007FFF47EB5000-memory.dmp

Filesize
8KB

Download
memory/1380-15-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/1380-16-0x00007FFF47EB3000-0x00007FFF47EB5000-memory.dmp

Filesize
8KB

Download
memory/2840-64-0x0000000005440000-0x000000000548C000-memory.dmp

Filesize
304KB

Download
memory/2840-62-0x00000000053E0000-0x00000000053F2000-memory.dmp

Filesize
72KB

Download
memory/2840-61-0x00000000054B0000-0x00000000055BA000-memory.dmp

Filesize
1.0MB

Download
memory/2840-60-0x0000000005960000-0x0000000005F78000-memory.dmp

Filesize
6.1MB

Download
memory/2840-59-0x0000000000B10000-0x0000000000B42000-memory.dmp

Filesize
200KB

Download
memory/2840-63-0x00000000055C0000-0x00000000055FC000-memory.dmp

Filesize
240KB

Download
memory/3236-39-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-32-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-41-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-45-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-36-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-34-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-30-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-28-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-26-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-42-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-25-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/3236-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/3236-46-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-50-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-52-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-48-0x0000000005130000-0x0000000005142000-memory.dmp

Filesize
72KB

Download
memory/3236-24-0x0000000005130000-0x0000000005148000-memory.dmp

Filesize
96KB

Download
memory/3236-23-0x0000000004B80000-0x0000000005124000-memory.dmp

Filesize
5.6MB

Download
memory/3236-22-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads