healer | 2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a

General

Target

2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe
Size

556KB
MD5

655a14febdf3676c12c9b490e1bafd1b
SHA1

ab41a43ec0be05edcc2462705ab98f0725ed7259
SHA256

2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a
SHA512

430367184c33504de8cfc3fe5dc726ef8513026cbd1f88b09e9e5ed59c96f9ed12fa2955717195be0945670385726037f7d029e4600d4b12848b195fdd95a0fe
SSDEEP

12288:6Mr0y90g4hHhKhTAYj0J6PMjGoQHOefMoueBQKS1:Wyb4hHAdDj00PMjWHOGu9KS1

Score

10^/10

healer redline dubik discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubik

C2

193.233.20.17:4139

Attributes

auth_value
05136deb26ad700ca57d43b1de454f46

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023cc0-12.dat	healer
behavioral1/memory/4828-15-0x0000000000D20000-0x0000000000D2A000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rhe2865.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rhe2865.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rhe2865.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rhe2865.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	rhe2865.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rhe2865.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/0x0007000000023cc1-19.dat	family_redline
behavioral1/memory/3100-21-0x0000000000120000-0x0000000000152000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
2836	vZX1798.exe
4828	rhe2865.exe
3100	tcr58HK.exe

Windows security modification 2 TTPs 1 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"	rhe2865.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\\\""	2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.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\\\""	vZX1798.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vZX1798.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tcr58HK.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4828	rhe2865.exe
4828	rhe2865.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	rhe2865.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 2836	3952	2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe	85
PID 3952 wrote to memory of 2836	3952	2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe	85
PID 3952 wrote to memory of 2836	3952	2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe	85
PID 2836 wrote to memory of 4828	2836	vZX1798.exe	86
PID 2836 wrote to memory of 4828	2836	vZX1798.exe	86
PID 2836 wrote to memory of 3100	2836	vZX1798.exe	95
PID 2836 wrote to memory of 3100	2836	vZX1798.exe	95
PID 2836 wrote to memory of 3100	2836	vZX1798.exe	95

C:\Users\Admin\AppData\Local\Temp\2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe
"C:\Users\Admin\AppData\Local\Temp\2387c4d0051580a721a8026307badd61813d4d195587df686152d1f4df2c459a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vZX1798.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vZX1798.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rhe2865.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rhe2865.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4828
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tcr58HK.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tcr58HK.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3100

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\vZX1798.exe

Filesize
202KB

MD5
4e315f5953aa19ee66a0a28737dfbdfb

SHA1
b75278266b5ccb83b4373187722a15c2c4349530

SHA256
ccda65a0f7b63180918661ecb719f08993c8dd52684b9ab16f062f9a60ee5cd1

SHA512
ed2a0fe18d58b2de16b6d8bed124a68f133001c23c4f955dcd11ab71f8e1a6a26f79a58439ff6835eae159ddf59cdda0d1db97a11844d4e1c47a386a9f8ae1d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rhe2865.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tcr58HK.exe

Filesize
175KB

MD5
cddbd387c5c8bb5e8a8ad341f7d05475

SHA1
1ae74b1a19a38a736b5321b41de10a48ab72eddc

SHA256
c531095f91211aea5e7ed61228c557ea1718605e8840e9ca61e3e652d4634d2d

SHA512
ce5ad725decbc063176ef313413112618506ca5863ced90beb5f59ef844d3c0b77bda05be04d1e0337731d2f2eca58f4ad98070d1aa55315879528f9be0f6a0e

Download Submit
memory/3100-21-0x0000000000120000-0x0000000000152000-memory.dmp

Filesize
200KB

Download
memory/3100-22-0x0000000005080000-0x0000000005698000-memory.dmp

Filesize
6.1MB

Download
memory/3100-23-0x0000000004C00000-0x0000000004D0A000-memory.dmp

Filesize
1.0MB

Download
memory/3100-24-0x0000000004B40000-0x0000000004B52000-memory.dmp

Filesize
72KB

Download
memory/3100-25-0x0000000004BA0000-0x0000000004BDC000-memory.dmp

Filesize
240KB

Download
memory/3100-26-0x0000000004D10000-0x0000000004D5C000-memory.dmp

Filesize
304KB

Download
memory/4828-14-0x00007FF91E223000-0x00007FF91E225000-memory.dmp

Filesize
8KB

Download
memory/4828-15-0x0000000000D20000-0x0000000000D2A000-memory.dmp

Filesize
40KB

Download
memory/4828-16-0x00007FF91E223000-0x00007FF91E225000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads