healer | 25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735

General

Target

25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe
Size

470KB
MD5

0ae472b2b323843780eb8774d1c45b39
SHA1

29201db29643d979d1014cb4c927d15c34b7c9f3
SHA256

25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735
SHA512

df1b9cf4de01eed3a48efacaa3d4395fb561c06ccbdbc3d1711d136c3943eecf96cd76034e719dac8ef163bf03670d44b0e4a6e96dcc7e0234189aa51564ff26
SSDEEP

12288:4MrHy90qK1xlsIjxtw1UaFduRgqiVhRq1HD50L9ap:vyNK1xlB+7P7qiVPqT0Jap

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 17 IoCs

resource	yara_rule
behavioral1/memory/1532-19-0x0000000002490000-0x00000000024AA000-memory.dmp	healer
behavioral1/memory/1532-21-0x0000000002650000-0x0000000002668000-memory.dmp	healer
behavioral1/memory/1532-27-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-49-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-47-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-46-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-43-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-41-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-39-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-37-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-35-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-33-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-31-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-30-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-25-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-23-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/1532-22-0x0000000002650000-0x0000000002662000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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"	bIl46Ak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bIl46Ak.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bIl46Ak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bIl46Ak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bIl46Ak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bIl46Ak.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/0x0031000000023b71-58.dat	family_redline
behavioral1/memory/724-60-0x0000000000040000-0x0000000000072000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3280	nOK35uS.exe
1532	bIl46Ak.exe
724	dDG79Ga.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	bIl46Ak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bIl46Ak.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\\\""	nOK35uS.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\\\""	25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5016	1532	WerFault.exe	85

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	25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nOK35uS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bIl46Ak.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dDG79Ga.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1532	bIl46Ak.exe
1532	bIl46Ak.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	bIl46Ak.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 3280	4524	25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe	84
PID 4524 wrote to memory of 3280	4524	25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe	84
PID 4524 wrote to memory of 3280	4524	25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe	84
PID 3280 wrote to memory of 1532	3280	nOK35uS.exe	85
PID 3280 wrote to memory of 1532	3280	nOK35uS.exe	85
PID 3280 wrote to memory of 1532	3280	nOK35uS.exe	85
PID 3280 wrote to memory of 724	3280	nOK35uS.exe	95
PID 3280 wrote to memory of 724	3280	nOK35uS.exe	95
PID 3280 wrote to memory of 724	3280	nOK35uS.exe	95

C:\Users\Admin\AppData\Local\Temp\25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe
"C:\Users\Admin\AppData\Local\Temp\25d43a9d559a06ddaa6b9cd89d8dc59ac40c4f5fcd98d4cfbc712737430b0735.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nOK35uS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nOK35uS.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3280
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bIl46Ak.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bIl46Ak.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:1532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 1080
      4⤵
      Program crash
      PID:5016
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDG79Ga.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDG79Ga.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1532 -ip 1532
1⤵
PID:2896

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\nOK35uS.exe

Filesize
366KB

MD5
e86fcd8a21ed1e5d40e4f1ded891065c

SHA1
67b97e960ff81e62027580a10d314d84dcf87ddb

SHA256
e0d81d837d3353f3531667c7d964607169b74efd7a093133d875d314b674a10f

SHA512
bef6b90e931c342b31bde5fbf3d6db92df60603199ac050df5ddc177bc84327cd7b01627bad2368e6135d0abce6c58a2eef807779a574fb4d012f1b56c8364ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bIl46Ak.exe

Filesize
220KB

MD5
462c4ee3ed98352a8e3f5b8b1b71dfac

SHA1
53e7780c3e7fe6e8fe288bde903d0774210308cf

SHA256
6215b8732177d0f5efec6b7e798416a29a67833258ff60860b79eb618d3808d1

SHA512
a0a828bbe9f604d66e83be73f6702cd0601adf01115ff1b7497be32d68dad2ae7c199a43ec0fb2f603dd63012a64a35719b9dfaa2e37e2296ef644219fa77989

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dDG79Ga.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/724-65-0x0000000004C20000-0x0000000004C6C000-memory.dmp

Filesize
304KB

Download
memory/724-64-0x0000000004AA0000-0x0000000004ADC000-memory.dmp

Filesize
240KB

Download
memory/724-63-0x0000000004A40000-0x0000000004A52000-memory.dmp

Filesize
72KB

Download
memory/724-62-0x0000000004B10000-0x0000000004C1A000-memory.dmp

Filesize
1.0MB

Download
memory/724-61-0x0000000004FF0000-0x0000000005608000-memory.dmp

Filesize
6.1MB

Download
memory/724-60-0x0000000000040000-0x0000000000072000-memory.dmp

Filesize
200KB

Download
memory/1532-37-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-23-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-47-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-46-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-43-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-41-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-39-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-27-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-35-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-33-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-31-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-30-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-25-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-49-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-22-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/1532-50-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

Filesize
1024KB

Download
memory/1532-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1532-55-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/1532-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1532-21-0x0000000002650000-0x0000000002668000-memory.dmp

Filesize
96KB

Download
memory/1532-20-0x0000000004D40000-0x00000000052E4000-memory.dmp

Filesize
5.6MB

Download
memory/1532-19-0x0000000002490000-0x00000000024AA000-memory.dmp

Filesize
104KB

Download
memory/1532-18-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/1532-17-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/1532-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1532-15-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads