healer | 6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa

General

Target

6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe
Size

1000KB
MD5

2d3a2eb1cc97aabf32a3eb07cc685837
SHA1

a66a41bd4b6bf0c3a91a65c971d2b804690c5d3d
SHA256

6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa
SHA512

7f34056385db0d7e6387d1cafc9eae41015a7c591b5e642f8870d746e076c95a258ed18890a72f73a3d75e65aec4d219c4053e32fcab1162dc4f4df0c8edcae0
SSDEEP

24576:bym4Y46VJi6/9RfDMxm7ssOz7n4gUK85k:Om4F6zZ1RfDIJT4T

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x0009000000023c58-26.dat	healer
behavioral1/memory/2412-28-0x0000000000A10000-0x0000000000A1A000-memory.dmp	healer
behavioral1/memory/3988-34-0x00000000022E0000-0x00000000022FA000-memory.dmp	healer
behavioral1/memory/3988-36-0x00000000025C0000-0x00000000025D8000-memory.dmp	healer
behavioral1/memory/3988-37-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-42-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-62-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-60-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-58-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-57-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-55-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-52-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-51-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-48-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-46-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-64-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-44-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-40-0x00000000025C0000-0x00000000025D2000-memory.dmp	healer
behavioral1/memory/3988-38-0x00000000025C0000-0x00000000025D2000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	kZH82vZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	kZH82vZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mih33Oh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mih33Oh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	kZH82vZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	kZH82vZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	mih33Oh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mih33Oh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mih33Oh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mih33Oh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	kZH82vZ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	kZH82vZ.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/0x0008000000023c56-68.dat	family_redline
behavioral1/memory/3424-71-0x0000000000DB0000-0x0000000000DE2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 6 IoCs

pid	Process
1132	dGR7110.exe
3860	dJM4154.exe
2840	dwz7377.exe
2412	kZH82vZ.exe
3988	mih33Oh.exe
3424	nsb97jN.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"	kZH82vZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	mih33Oh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	mih33Oh.exe

Adds Run key to start application 2 TTPs 4 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\\\""	6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.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\\\""	dGR7110.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	dJM4154.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	dwz7377.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4008	3988	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 6 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	dJM4154.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dwz7377.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mih33Oh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nsb97jN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dGR7110.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2412	kZH82vZ.exe
2412	kZH82vZ.exe
3988	mih33Oh.exe
3988	mih33Oh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	kZH82vZ.exe
Token: SeDebugPrivilege	3988	mih33Oh.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 1132	5080	6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe	83
PID 5080 wrote to memory of 1132	5080	6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe	83
PID 5080 wrote to memory of 1132	5080	6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe	83
PID 1132 wrote to memory of 3860	1132	dGR7110.exe	85
PID 1132 wrote to memory of 3860	1132	dGR7110.exe	85
PID 1132 wrote to memory of 3860	1132	dGR7110.exe	85
PID 3860 wrote to memory of 2840	3860	dJM4154.exe	86
PID 3860 wrote to memory of 2840	3860	dJM4154.exe	86
PID 3860 wrote to memory of 2840	3860	dJM4154.exe	86
PID 2840 wrote to memory of 2412	2840	dwz7377.exe	88
PID 2840 wrote to memory of 2412	2840	dwz7377.exe	88
PID 2840 wrote to memory of 3988	2840	dwz7377.exe	97
PID 2840 wrote to memory of 3988	2840	dwz7377.exe	97
PID 2840 wrote to memory of 3988	2840	dwz7377.exe	97
PID 3860 wrote to memory of 3424	3860	dJM4154.exe	102
PID 3860 wrote to memory of 3424	3860	dJM4154.exe	102
PID 3860 wrote to memory of 3424	3860	dJM4154.exe	102

C:\Users\Admin\AppData\Local\Temp\6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe
"C:\Users\Admin\AppData\Local\Temp\6cdfa134ea5ec457ddd70aaca44c371fff2f4ecb0d1c492224e438db40ecfffa.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGR7110.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dGR7110.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1132
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dJM4154.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dJM4154.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3860
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dwz7377.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dwz7377.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2840
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\kZH82vZ.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\kZH82vZ.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2412
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mih33Oh.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mih33Oh.exe
        5⤵
        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:3988
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 1096
        6⤵
        Program crash
        
        PID:4008
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nsb97jN.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nsb97jN.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3988 -ip 3988
1⤵
PID:1548

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\dGR7110.exe

Filesize
855KB

MD5
110d667a8561513d0ac8432730bba200

SHA1
9cc07016599b8b8338cb6fe31c1d02c69ecd4e3e

SHA256
8cfe096edb041be5c7c97d0211169dd7d1101da30200cb8d9a7be3750cf13c6b

SHA512
c1a97a4c8cd404a9856d269f2ccfdd37c271cfeb209f2758042ba34dbd6f56fe93dfaa8818e0591e78c7a8431696d50ad958e7221889850dead7646c28d17688

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dJM4154.exe

Filesize
500KB

MD5
4adf1e09c9e60390218f48247e66c186

SHA1
e2ccb60fb3e154e5258b3b5a83ebf9bbc615b17a

SHA256
a1a729cb731badf65f07b73348672b20a0c825e390d27206bb3ff1d26f35d066

SHA512
e9bee1f291d4564a798ec8b5836a6425efdc22b22bb958a3391859a544893c3a990e7df07fbe333035f1ef69d67f5e21f9058c7776f3a41bdb41d47d642f7da9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dwz7377.exe

Filesize
356KB

MD5
60457d43259779f8c7f23b78d77f28fb

SHA1
6d6dc6dda25c51d3a0b568936cbf4ac9e817e55c

SHA256
ccc6577d981fb085b6c327f69a076313a3744c6c6552883ac9091c096bc1bbbe

SHA512
2e4893c7af96faa2f24a1538be4c9d49e5365d3c97999a4f0d09ef05125b064d7aa9bf5f2e05c513cf1584d3617851244b3f357d64f1a3e1e349a2d9fc80777e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nsb97jN.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\kZH82vZ.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mih33Oh.exe

Filesize
295KB

MD5
2338c84711b756237e614c3869cf6100

SHA1
6146eace912945070cb084fe3839c8d2dc27c403

SHA256
fbfd8bd7e7ff54ce43c209c34a9959ad1abe7325209756decc04e3d9a44ff87b

SHA512
24bd3e70fc0ac61f6fcc432de5e93ac38c66eb3fb0e9b09337acc526873dd42f779f2741761ffb1677936e8f219f3c3b683c9476d8ab604803795fc323c7bae6

Download Submit
memory/2412-28-0x0000000000A10000-0x0000000000A1A000-memory.dmp

Filesize
40KB

Download
memory/3424-76-0x00000000059A0000-0x00000000059EC000-memory.dmp

Filesize
304KB

Download
memory/3424-74-0x00000000057C0000-0x00000000057D2000-memory.dmp

Filesize
72KB

Download
memory/3424-73-0x0000000005890000-0x000000000599A000-memory.dmp

Filesize
1.0MB

Download
memory/3424-72-0x0000000005D30000-0x0000000006348000-memory.dmp

Filesize
6.1MB

Download
memory/3424-71-0x0000000000DB0000-0x0000000000DE2000-memory.dmp

Filesize
200KB

Download
memory/3424-75-0x0000000005820000-0x000000000585C000-memory.dmp

Filesize
240KB

Download
memory/3988-52-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-40-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-55-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-58-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-51-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-48-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-46-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-64-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-44-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-57-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-38-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-65-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/3988-67-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/3988-60-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-62-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-42-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-37-0x00000000025C0000-0x00000000025D2000-memory.dmp

Filesize
72KB

Download
memory/3988-36-0x00000000025C0000-0x00000000025D8000-memory.dmp

Filesize
96KB

Download
memory/3988-35-0x0000000004CE0000-0x0000000005284000-memory.dmp

Filesize
5.6MB

Download
memory/3988-34-0x00000000022E0000-0x00000000022FA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads