healer | 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614

General

Target

4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe
Size

484KB
MD5

ca687a1ccf8389d662de07afe5b82f9b
SHA1

e336c6e32ed99137e83841d823e769387d65bef8
SHA256

4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614
SHA512

13b4f885f5998e755bee080a640a160869352693fc9103981b40302fe0cfb94643864863b6ac8d0b8be9640a64ae021fe2cd312bbdac139d2591960325db071f
SSDEEP

12288:uMrjy90SwLCKPoJgiY73pC6G5uuypICkB1rBGTKbxbF:pycL9o2Nw6EMpIhr4axbF

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/0x0009000000023bd5-12.dat	healer
behavioral1/memory/3888-15-0x0000000000E30000-0x0000000000E3A000-memory.dmp	healer
behavioral1/memory/1248-22-0x0000000002780000-0x000000000279A000-memory.dmp	healer
behavioral1/memory/1248-24-0x0000000004D50000-0x0000000004D68000-memory.dmp	healer
behavioral1/memory/1248-25-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-32-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-50-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-48-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-46-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-44-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-42-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-41-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-38-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-36-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-52-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-34-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-30-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-28-0x0000000004D50000-0x0000000004D62000-memory.dmp	healer
behavioral1/memory/1248-26-0x0000000004D50000-0x0000000004D62000-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\DisableBehaviorMonitoring = "1"	dvS01uh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dvS01uh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dvS01uh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eMS50XA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eMS50XA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eMS50XA.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dvS01uh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dvS01uh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dvS01uh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eMS50XA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eMS50XA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eMS50XA.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/0x0009000000023bcf-58.dat	family_redline
behavioral1/memory/1980-59-0x00000000008C0000-0x00000000008F2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4108	nMz18nF27.exe
3888	dvS01uh.exe
1248	eMS50XA.exe
1980	fBq95dg.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"	dvS01uh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eMS50XA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eMS50XA.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\\\""	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.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\\\""	nMz18nF27.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
656	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
952	1248	WerFault.exe	96

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	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nMz18nF27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eMS50XA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fBq95dg.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3888	dvS01uh.exe
3888	dvS01uh.exe
1248	eMS50XA.exe
1248	eMS50XA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	dvS01uh.exe
Token: SeDebugPrivilege	1248	eMS50XA.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4108	1520	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe	83
PID 1520 wrote to memory of 4108	1520	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe	83
PID 1520 wrote to memory of 4108	1520	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe	83
PID 4108 wrote to memory of 3888	4108	nMz18nF27.exe	84
PID 4108 wrote to memory of 3888	4108	nMz18nF27.exe	84
PID 4108 wrote to memory of 1248	4108	nMz18nF27.exe	96
PID 4108 wrote to memory of 1248	4108	nMz18nF27.exe	96
PID 4108 wrote to memory of 1248	4108	nMz18nF27.exe	96
PID 1520 wrote to memory of 1980	1520	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe	101
PID 1520 wrote to memory of 1980	1520	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe	101
PID 1520 wrote to memory of 1980	1520	4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe	101

C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe
"C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3888
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.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:1248
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 1084
      4⤵
      Program crash
      PID:952
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1248 -ip 1248
1⤵
PID:1872

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:656

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\fBq95dg.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe

Filesize
339KB

MD5
0e1174fc587f94b110084e038ed1ddfa

SHA1
6dedaed9242d8e568c0b685ae2a00cc41b514f66

SHA256
7f0893769c069e8c74dddf28e8683a045850a127980f78c1858e10a033e230a9

SHA512
36de12e4750d96b8bb4dd89d0c3f769eaf482f8007032605209998488465fec16f54b7c4a3436a1a674d4eac51da8d0ace2f243294d58c8367200d2b77043332

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe

Filesize
249KB

MD5
ab970bf25face7f80c360eb7d19b093c

SHA1
919fef0e22047325ee051f47a33ecb55545868ab

SHA256
432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373

SHA512
cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c

Download Submit
memory/1248-41-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-52-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-22-0x0000000002780000-0x000000000279A000-memory.dmp

Filesize
104KB

Download
memory/1248-23-0x0000000004EF0000-0x0000000005494000-memory.dmp

Filesize
5.6MB

Download
memory/1248-24-0x0000000004D50000-0x0000000004D68000-memory.dmp

Filesize
96KB

Download
memory/1248-25-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-32-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-50-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-48-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-46-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-44-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-42-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-55-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/1248-38-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-36-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-53-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/1248-34-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-30-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-28-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1248-26-0x0000000004D50000-0x0000000004D62000-memory.dmp

Filesize
72KB

Download
memory/1980-59-0x00000000008C0000-0x00000000008F2000-memory.dmp

Filesize
200KB

Download
memory/1980-60-0x00000000056E0000-0x0000000005CF8000-memory.dmp

Filesize
6.1MB

Download
memory/1980-61-0x0000000005260000-0x000000000536A000-memory.dmp

Filesize
1.0MB

Download
memory/1980-62-0x0000000005190000-0x00000000051A2000-memory.dmp

Filesize
72KB

Download
memory/1980-63-0x00000000051F0000-0x000000000522C000-memory.dmp

Filesize
240KB

Download
memory/1980-64-0x0000000005370000-0x00000000053BC000-memory.dmp

Filesize
304KB

Download
memory/3888-16-0x00007FF908A43000-0x00007FF908A45000-memory.dmp

Filesize
8KB

Download
memory/3888-15-0x0000000000E30000-0x0000000000E3A000-memory.dmp

Filesize
40KB

Download
memory/3888-14-0x00007FF908A43000-0x00007FF908A45000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads