healer | c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53

General

Target

c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe
Size

481KB
MD5

926ea25a162df9a4fa91e27a252457d2
SHA1

679363f59104ee7ec27fa81480d85273b378e703
SHA256

c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53
SHA512

702570769f53e376bba650473e54a38c6c1bcac374c0e5a12952bff10e098220928487f212aa5ea11d2666e27890a582609a674a0484fbec60c38338a09a4c9b
SSDEEP

12288:BMr2y90FiL9yeBG9p2N+xHs4yzsYieC7Rn:nyNyeEp2N+xM4yzbDC1

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/4440-19-0x0000000000C00000-0x0000000000C1A000-memory.dmp	healer
behavioral1/memory/4440-21-0x0000000002650000-0x0000000002668000-memory.dmp	healer
behavioral1/memory/4440-22-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-29-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-49-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-47-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-45-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-43-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-41-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-39-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-38-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-35-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-33-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-31-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-27-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-25-0x0000000002650000-0x0000000002662000-memory.dmp	healer
behavioral1/memory/4440-23-0x0000000002650000-0x0000000002662000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	buf34cE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	buf34cE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	buf34cE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	buf34cE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	buf34cE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	buf34cE.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/0x000b000000023baf-58.dat	family_redline
behavioral1/memory/5072-60-0x00000000008B0000-0x00000000008E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
5076	nmk55jA.exe
4440	buf34cE.exe
5072	dPy05jh.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	buf34cE.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	buf34cE.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\\\""	c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.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\\\""	nmk55jA.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
860	4440	WerFault.exe	84

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	buf34cE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dPy05jh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nmk55jA.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	buf34cE.exe
4440	buf34cE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	buf34cE.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 5076	4724	c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe	83
PID 4724 wrote to memory of 5076	4724	c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe	83
PID 4724 wrote to memory of 5076	4724	c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe	83
PID 5076 wrote to memory of 4440	5076	nmk55jA.exe	84
PID 5076 wrote to memory of 4440	5076	nmk55jA.exe	84
PID 5076 wrote to memory of 4440	5076	nmk55jA.exe	84
PID 5076 wrote to memory of 5072	5076	nmk55jA.exe	103
PID 5076 wrote to memory of 5072	5076	nmk55jA.exe	103
PID 5076 wrote to memory of 5072	5076	nmk55jA.exe	103

C:\Users\Admin\AppData\Local\Temp\c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe
"C:\Users\Admin\AppData\Local\Temp\c6fe7e55c9526ea1810f620af79e056fbc9835dd25df11181fa425d54827ed53.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmk55jA.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmk55jA.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5076
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buf34cE.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buf34cE.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:4440
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 1004
      4⤵
      Program crash
      PID:860
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPy05jh.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPy05jh.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4440 -ip 4440
1⤵
PID:4840

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\nmk55jA.exe

Filesize
378KB

MD5
ff7b75bf20108f18b6a768823f16bd18

SHA1
6c9903cf2a8fb7f2455078e784c2f6f8800f2046

SHA256
42a8dbb8676d8d313a0ff42a1fcba8e36ed0ce7296ea08b02765a7514805b550

SHA512
30f5a83a0d076d529769a7731cb75ac12773504477d9a95a3e13fb0765437579b7dc0e29e66233476ab79b33b2f471b21766ced59b4432e9d329a524a6d664f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\buf34cE.exe

Filesize
247KB

MD5
0ef0dfd14f4136e407d971cfb57adf3f

SHA1
f7225981e833c73276fcb3569357f5c60312843a

SHA256
75b453b18104f8df29c0c668319eee3dc13a162a9d9054135a69b28f0803ae49

SHA512
bc06e461f8ff784b31cc98570e1e62c881c8eb20b4883e9ebf59207d0ef34fef982bbdbdb04ba7521c29cabda874274f71658dc6f7ae9cf01ae14bf9392bd281

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dPy05jh.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4440-35-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-29-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-18-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/4440-33-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-20-0x0000000004C80000-0x0000000005224000-memory.dmp

Filesize
5.6MB

Download
memory/4440-21-0x0000000002650000-0x0000000002668000-memory.dmp

Filesize
96KB

Download
memory/4440-22-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-31-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-49-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-47-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-45-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-43-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-41-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-27-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-38-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-16-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/4440-19-0x0000000000C00000-0x0000000000C1A000-memory.dmp

Filesize
104KB

Download
memory/4440-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4440-39-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-25-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-23-0x0000000002650000-0x0000000002662000-memory.dmp

Filesize
72KB

Download
memory/4440-50-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download
memory/4440-51-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/4440-52-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4440-55-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/4440-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4440-15-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download
memory/5072-60-0x00000000008B0000-0x00000000008E2000-memory.dmp

Filesize
200KB

Download
memory/5072-61-0x0000000005710000-0x0000000005D28000-memory.dmp

Filesize
6.1MB

Download
memory/5072-62-0x0000000005250000-0x000000000535A000-memory.dmp

Filesize
1.0MB

Download
memory/5072-63-0x0000000005180000-0x0000000005192000-memory.dmp

Filesize
72KB

Download
memory/5072-64-0x00000000051E0000-0x000000000521C000-memory.dmp

Filesize
240KB

Download
memory/5072-65-0x0000000005360000-0x00000000053AC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads