healer | 4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b

General

Target

4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe
Size

482KB
MD5

a74d5a10aa5ca1c61ef2b456ef42df98
SHA1

ad6a5efb1fb5c5d358a5b680197c8aea4e1f31e4
SHA256

4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b
SHA512

4017462109927022182b483283077a52744b37f9bd866222561b3cdf8ef801e1b1dbbcba3487631c3309fc76ed2c6a504a954e7109d54263d9d825cad4ddf088
SSDEEP

12288:uMrZy90VoVfSWJ/kSUc9KyEIPUwTruKuT87H:7yj9OhcF3UmuKukH

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/0x0008000000023c84-12.dat	healer
behavioral1/memory/4728-15-0x0000000000450000-0x000000000045A000-memory.dmp	healer
behavioral1/memory/2756-22-0x0000000002200000-0x000000000221A000-memory.dmp	healer
behavioral1/memory/2756-24-0x0000000002520000-0x0000000002538000-memory.dmp	healer
behavioral1/memory/2756-25-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-32-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-52-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-50-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-48-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-46-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-44-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-42-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-40-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-38-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-36-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-34-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-30-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-28-0x0000000002520000-0x0000000002532000-memory.dmp	healer
behavioral1/memory/2756-26-0x0000000002520000-0x0000000002532000-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"	eCO34Lc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eCO34Lc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dfi81hy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dfi81hy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dfi81hy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dfi81hy.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eCO34Lc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eCO34Lc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dfi81hy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dfi81hy.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eCO34Lc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eCO34Lc.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/0x0007000000023c82-58.dat	family_redline
behavioral1/memory/1828-59-0x0000000000810000-0x0000000000842000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2960	nLY00YY19.exe
4728	dfi81hy.exe
2756	eCO34Lc.exe
1828	fXM75if.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"	dfi81hy.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eCO34Lc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eCO34Lc.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\\\""	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.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\\\""	nLY00YY19.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5052	2756	WerFault.exe	92

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	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nLY00YY19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eCO34Lc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fXM75if.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4728	dfi81hy.exe
4728	dfi81hy.exe
2756	eCO34Lc.exe
2756	eCO34Lc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	dfi81hy.exe
Token: SeDebugPrivilege	2756	eCO34Lc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 2960	4504	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe	83
PID 4504 wrote to memory of 2960	4504	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe	83
PID 4504 wrote to memory of 2960	4504	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe	83
PID 2960 wrote to memory of 4728	2960	nLY00YY19.exe	84
PID 2960 wrote to memory of 4728	2960	nLY00YY19.exe	84
PID 2960 wrote to memory of 2756	2960	nLY00YY19.exe	92
PID 2960 wrote to memory of 2756	2960	nLY00YY19.exe	92
PID 2960 wrote to memory of 2756	2960	nLY00YY19.exe	92
PID 4504 wrote to memory of 1828	4504	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe	96
PID 4504 wrote to memory of 1828	4504	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe	96
PID 4504 wrote to memory of 1828	4504	4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe	96

C:\Users\Admin\AppData\Local\Temp\4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe
"C:\Users\Admin\AppData\Local\Temp\4a69223798b45f4f018bedc5d46f88b346bbd2863a63e0480d1964e1bea9613b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLY00YY19.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLY00YY19.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfi81hy.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfi81hy.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4728
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eCO34Lc.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eCO34Lc.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:2756
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 1096
      4⤵
      Program crash
      PID:5052
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXM75if.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXM75if.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2756 -ip 2756
1⤵
PID:3640

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\fXM75if.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLY00YY19.exe

Filesize
338KB

MD5
c94ebf88ec691b69fefdd0353734c1cd

SHA1
fa938d6ca3a0d45e3d117375b0e70940d4ed5908

SHA256
4ad850dd542683bac7b7353e0c3fd4263d6a8c90c28bcd6c1ca715e0791b9bf6

SHA512
a1616d655bd3f3ca6e9d263b2b491e9d79e1248f05a8a2dd82ce6d66787fcd8edd92035bb005cecae7839cd097f58bc20dc7abb1b81bec89be9896a781143b56

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dfi81hy.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eCO34Lc.exe

Filesize
256KB

MD5
2fd2e600c3adef9ca6d4ce6f66832d6a

SHA1
7d4af01ea9f943f58df01f44fae5c3e9974129cf

SHA256
6561aed20765201eabfb0ee00cc1eb0af0fa62a009143e6a9f701348a5526dcf

SHA512
9c99902c776a5e3fadf9786844bbaeb21bcba5d337d525e4ace920214897f61c26fb9afa41c9f158ede276d05b6132b158038d0489d2124337585de44d9f4056

Download Submit
memory/1828-64-0x00000000052C0000-0x000000000530C000-memory.dmp

Filesize
304KB

Download
memory/1828-63-0x0000000005140000-0x000000000517C000-memory.dmp

Filesize
240KB

Download
memory/1828-62-0x00000000050E0000-0x00000000050F2000-memory.dmp

Filesize
72KB

Download
memory/1828-61-0x00000000051B0000-0x00000000052BA000-memory.dmp

Filesize
1.0MB

Download
memory/1828-60-0x0000000005680000-0x0000000005C98000-memory.dmp

Filesize
6.1MB

Download
memory/1828-59-0x0000000000810000-0x0000000000842000-memory.dmp

Filesize
200KB

Download
memory/2756-42-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-30-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-50-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-48-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-46-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-44-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-32-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-40-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-38-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-36-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-34-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-52-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-28-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-26-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-53-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/2756-55-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/2756-25-0x0000000002520000-0x0000000002532000-memory.dmp

Filesize
72KB

Download
memory/2756-24-0x0000000002520000-0x0000000002538000-memory.dmp

Filesize
96KB

Download
memory/2756-23-0x0000000004C30000-0x00000000051D4000-memory.dmp

Filesize
5.6MB

Download
memory/2756-22-0x0000000002200000-0x000000000221A000-memory.dmp

Filesize
104KB

Download
memory/4728-16-0x00007FFD0A653000-0x00007FFD0A655000-memory.dmp

Filesize
8KB

Download
memory/4728-15-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/4728-14-0x00007FFD0A653000-0x00007FFD0A655000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads