healer | 34dd401b8fde76aadeefc1d8999017db39b3aedc5b3c88839edda04da790df08

General

Target

b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe
Size

478KB
MD5

1ee56a32b1338908490778968a08619b
SHA1

0472337f0b40ae3d4e27f8c2d294ba0920fa63b6
SHA256

b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36
SHA512

fbf18f7a00256ee1491e661b876bbce12bcc70bed9c0fd47ac2dfbab18f5afc6f6c6f58d79b8a169aa88bed11571fe8c93dff129b7af7279ffed23c4b12b12e9
SSDEEP

6144:KZy+bnr+Xp0yN90QEFaM2gBY+iX7Z8L4BghdCEK+XvM7urK0aZiqPH/Jwuak+kMm:bMr7y90faJGYp7Z8L4kLsQ1aZ9X2bnm

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/4728-19-0x0000000002660000-0x000000000267A000-memory.dmp	healer
behavioral1/memory/4728-21-0x0000000002810000-0x0000000002828000-memory.dmp	healer
behavioral1/memory/4728-33-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-49-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-47-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-45-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-43-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-41-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-39-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-37-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-35-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-31-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-29-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-27-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-25-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-23-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/4728-22-0x0000000002810000-0x0000000002822000-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\DisableOnAccessProtection = "1"	bvE57jx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bvE57jx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bvE57jx.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bvE57jx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bvE57jx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bvE57jx.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/0x0008000000023c8a-57.dat	family_redline
behavioral1/memory/1992-59-0x00000000004E0000-0x0000000000512000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
4472	nLC35XF.exe
4728	bvE57jx.exe
1992	dHc07nZ.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	bvE57jx.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bvE57jx.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\\\""	nLC35XF.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\\\""	b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
60	4728	WerFault.exe	83

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	dHc07nZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nLC35XF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bvE57jx.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4728	bvE57jx.exe
4728	bvE57jx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	bvE57jx.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4472	3280	b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe	82
PID 3280 wrote to memory of 4472	3280	b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe	82
PID 3280 wrote to memory of 4472	3280	b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe	82
PID 4472 wrote to memory of 4728	4472	nLC35XF.exe	83
PID 4472 wrote to memory of 4728	4472	nLC35XF.exe	83
PID 4472 wrote to memory of 4728	4472	nLC35XF.exe	83
PID 4472 wrote to memory of 1992	4472	nLC35XF.exe	99
PID 4472 wrote to memory of 1992	4472	nLC35XF.exe	99
PID 4472 wrote to memory of 1992	4472	nLC35XF.exe	99

C:\Users\Admin\AppData\Local\Temp\b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe
"C:\Users\Admin\AppData\Local\Temp\b07b85dcad43a6ec554d4f1c2de7dd67ae73ec34fa2bd295db7dd29ae90f5f36.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLC35XF.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nLC35XF.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4472
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bvE57jx.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bvE57jx.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:4728
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 1084
      4⤵
      Program crash
      PID:60
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHc07nZ.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHc07nZ.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4728 -ip 4728
1⤵
PID:4212

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\nLC35XF.exe

Filesize
374KB

MD5
9222b35d446dfb9a217577860bbf952b

SHA1
85e53f000dd10307c50b9e2491f1ef5af518fff8

SHA256
b3e8998fa380d8cccd99825dc3fa97101e535b6aeda65d75a772bbb7b3fa899a

SHA512
154ea0b06adc5d76fff690dd6b679e7ac8f192c81c03610d7d896d7d0bd7cb2198e4ca2e2e46b776de0fa618216f7b812296f86a15957415e5fed7778b7c6da0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bvE57jx.exe

Filesize
235KB

MD5
25170733ea2da3f69d5a7418e5eb4b18

SHA1
981095ea90409a859953bf141f8df3d23983246d

SHA256
b14387e272fd92e732419dc4224db8b4c8085d469fb8ca019782af91dbd03d74

SHA512
0bc99aea55647589c2afe4a7ffb4755e410d893a7da67abb9b9fed77210a8bcd4ee6bd62e882e2189c79e19036a283df37cac70c65deadafdca2f5114ff1829d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHc07nZ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1992-64-0x0000000004F90000-0x0000000004FDC000-memory.dmp

Filesize
304KB

Download
memory/1992-63-0x0000000004E10000-0x0000000004E4C000-memory.dmp

Filesize
240KB

Download
memory/1992-62-0x0000000004DB0000-0x0000000004DC2000-memory.dmp

Filesize
72KB

Download
memory/1992-61-0x0000000004E80000-0x0000000004F8A000-memory.dmp

Filesize
1.0MB

Download
memory/1992-60-0x0000000005310000-0x0000000005928000-memory.dmp

Filesize
6.1MB

Download
memory/1992-59-0x00000000004E0000-0x0000000000512000-memory.dmp

Filesize
200KB

Download
memory/4728-37-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-23-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-47-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-45-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-43-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-41-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-39-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-33-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-35-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-31-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-29-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-27-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-25-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-49-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-22-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/4728-50-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download
memory/4728-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4728-54-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4728-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4728-21-0x0000000002810000-0x0000000002828000-memory.dmp

Filesize
96KB

Download
memory/4728-20-0x0000000004E50000-0x00000000053F4000-memory.dmp

Filesize
5.6MB

Download
memory/4728-19-0x0000000002660000-0x000000000267A000-memory.dmp

Filesize
104KB

Download
memory/4728-18-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4728-17-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4728-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4728-15-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads