healer | db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3

General

Target

db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe
Size

500KB
MD5

87db692a529ddabfc8e737deae22e63a
SHA1

bb1cb11bc349f48274c16c0998aeb78d279aa49c
SHA256

db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3
SHA512

8fa5d4c8c3ad285d8cc4c94af658d9e75857381dce92c3d07bb3ef661bd23dbcf09f02080f32cabeca17d500caf37e07381a36f037de7e342bde731e7e7aa9a9
SSDEEP

12288:ZMrLy90Fk2eQZB0YrPUC2YdYXB5/29prbWQ/fH3m5:KyIk1wB02PUNvXrO9laQ/8

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/0x0009000000023c21-12.dat	healer
behavioral1/memory/3524-15-0x00000000002C0000-0x00000000002CA000-memory.dmp	healer
behavioral1/memory/4392-22-0x0000000002550000-0x000000000256A000-memory.dmp	healer
behavioral1/memory/4392-24-0x0000000004B60000-0x0000000004B78000-memory.dmp	healer
behavioral1/memory/4392-25-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-30-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-52-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-50-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-48-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-46-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-44-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-42-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-40-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-38-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-36-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-34-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-32-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-28-0x0000000004B60000-0x0000000004B72000-memory.dmp	healer
behavioral1/memory/4392-26-0x0000000004B60000-0x0000000004B72000-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\DisableBehaviorMonitoring = "1"	egN88Hr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	egN88Hr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dCT18Va.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dCT18Va.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	egN88Hr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dCT18Va.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	egN88Hr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	egN88Hr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	egN88Hr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dCT18Va.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dCT18Va.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dCT18Va.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/0x0008000000023c08-58.dat	family_redline
behavioral1/memory/2492-59-0x0000000000F00000-0x0000000000F32000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
5076	nVn39Hw56.exe
3524	dCT18Va.exe
4392	egN88Hr.exe
2492	fOZ97Lq.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"	dCT18Va.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	egN88Hr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	egN88Hr.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\\\""	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.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\\\""	nVn39Hw56.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3696	4392	WerFault.exe	95

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	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nVn39Hw56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	egN88Hr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fOZ97Lq.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3524	dCT18Va.exe
3524	dCT18Va.exe
4392	egN88Hr.exe
4392	egN88Hr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3524	dCT18Va.exe
Token: SeDebugPrivilege	4392	egN88Hr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 5076	3308	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe	83
PID 3308 wrote to memory of 5076	3308	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe	83
PID 3308 wrote to memory of 5076	3308	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe	83
PID 5076 wrote to memory of 3524	5076	nVn39Hw56.exe	84
PID 5076 wrote to memory of 3524	5076	nVn39Hw56.exe	84
PID 5076 wrote to memory of 4392	5076	nVn39Hw56.exe	95
PID 5076 wrote to memory of 4392	5076	nVn39Hw56.exe	95
PID 5076 wrote to memory of 4392	5076	nVn39Hw56.exe	95
PID 3308 wrote to memory of 2492	3308	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe	100
PID 3308 wrote to memory of 2492	3308	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe	100
PID 3308 wrote to memory of 2492	3308	db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe	100

C:\Users\Admin\AppData\Local\Temp\db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe
"C:\Users\Admin\AppData\Local\Temp\db2583516d64a13abb61dc549d5e1802d68af0e8ed01ed63382d4ea28494e8e3.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nVn39Hw56.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nVn39Hw56.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\dCT18Va.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCT18Va.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3524
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egN88Hr.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egN88Hr.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:4392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1084
      4⤵
      Program crash
      PID:3696
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOZ97Lq.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fOZ97Lq.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4392 -ip 4392
1⤵
PID:4768

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\fOZ97Lq.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nVn39Hw56.exe

Filesize
355KB

MD5
e2a7bd0244c5928bdba79051d8557ccb

SHA1
7b4724aa9d5f6f1d20c1de73591cf44086770ce3

SHA256
a15c45a8ceb3462f0e51a37959fde60338ec205d6bcbcb5e30ac728ecb168ea0

SHA512
0efc5e8fca1ffc5bbb4d441747681fdf1f26c42eba6cbfb93245054d61fa1a6e5afa81b34baa65133b66bae09ad9a79136e5cb5f571de470d49464911b8296bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCT18Va.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egN88Hr.exe

Filesize
295KB

MD5
304766f61a677814af31d2737d118b6f

SHA1
213a7e70d4f7d13e17ddff12152bcfe2c1cc2de4

SHA256
07c33396ed7ec1b40808aae921c50c552dc21b08beabbd5541b9fc9f062e08ac

SHA512
08c9202e988e4f6518a14f37b19eefc8b5901a2c07472140303c48535b67830e956759db3738b3bf63559220cb1e59f8045a2fad5d84530e9cb2e670740441ea

Download Submit
memory/2492-61-0x00000000059E0000-0x0000000005AEA000-memory.dmp

Filesize
1.0MB

Download
memory/2492-64-0x0000000005AF0000-0x0000000005B3C000-memory.dmp

Filesize
304KB

Download
memory/2492-63-0x0000000005970000-0x00000000059AC000-memory.dmp

Filesize
240KB

Download
memory/2492-62-0x0000000005910000-0x0000000005922000-memory.dmp

Filesize
72KB

Download
memory/2492-60-0x0000000005E60000-0x0000000006478000-memory.dmp

Filesize
6.1MB

Download
memory/2492-59-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download
memory/3524-16-0x00007FFAB1163000-0x00007FFAB1165000-memory.dmp

Filesize
8KB

Download
memory/3524-15-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/3524-14-0x00007FFAB1163000-0x00007FFAB1165000-memory.dmp

Filesize
8KB

Download
memory/4392-42-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-28-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-44-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-48-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-40-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-38-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-36-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-34-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-32-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-46-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-26-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4392-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4392-50-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-52-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-30-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-25-0x0000000004B60000-0x0000000004B72000-memory.dmp

Filesize
72KB

Download
memory/4392-24-0x0000000004B60000-0x0000000004B78000-memory.dmp

Filesize
96KB

Download
memory/4392-23-0x0000000004BA0000-0x0000000005144000-memory.dmp

Filesize
5.6MB

Download
memory/4392-22-0x0000000002550000-0x000000000256A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads