healer | 4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111

General

Target

4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe
Size

192KB
MD5

2fd9225d8a3166e1ec355ca1c50e4c3f
SHA1

b3b82e1c236a938e6435d38e4c87fb6e0c90ec60
SHA256

4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111
SHA512

ebca82ef548c0213faf87e1074bb39b8a66c39396556546f6272eb7cbae51d3a86fbfd2eb4a5851871ed4f0867a952b53154fcfa3f57938d94a2f92f35c2ec65
SSDEEP

3072:KNy+bnr+O1X5GWp1icKAArDZz4N9GhbkrNEk1OTEqTuBppc2Fro7:KNy+bnr+Ep0yN90QE/6BrhK

Score

10^/10

healer redline polo discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

polo

C2

193.233.20.31:4125

Attributes

auth_value
f1a1b1041a864e0f1f788d42ececa8b3

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b93-5.dat	healer
behavioral1/memory/1712-8-0x0000000000BA0000-0x0000000000BAA000-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\Policies\Microsoft\Windows Defender\Real-Time Protection	pro7238.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	pro7238.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	pro7238.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	pro7238.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	pro7238.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	pro7238.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/0x000a000000023b94-12.dat	family_redline
behavioral1/memory/3980-15-0x0000000000BC0000-0x0000000000BF2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1712	pro7238.exe
3980	si224051.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"	pro7238.exe

Adds Run key to start application 2 TTPs 1 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\\\""	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	si224051.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1712	pro7238.exe
1712	pro7238.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	pro7238.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1712	1120	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe	85
PID 1120 wrote to memory of 1712	1120	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe	85
PID 1120 wrote to memory of 3980	1120	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe	98
PID 1120 wrote to memory of 3980	1120	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe	98
PID 1120 wrote to memory of 3980	1120	4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe	98

C:\Users\Admin\AppData\Local\Temp\4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe
"C:\Users\Admin\AppData\Local\Temp\4583dbfbe17cd79823999a1110438cfd5f1da2199ab5769fb5fd5e0c347c1111.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pro7238.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pro7238.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si224051.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si224051.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3980

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\pro7238.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si224051.exe

Filesize
175KB

MD5
44a26d7004f8b65e1a8bac0ccac86d6a

SHA1
30b583c2c04c1167703ae255b4d44b96b411c8ff

SHA256
37384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9

SHA512
17788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b

Download Submit
memory/1712-7-0x00007FFE16DD3000-0x00007FFE16DD5000-memory.dmp

Filesize
8KB

Download
memory/1712-8-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

Filesize
40KB

Download
memory/1712-9-0x00007FFE16DD3000-0x00007FFE16DD5000-memory.dmp

Filesize
8KB

Download
memory/3980-15-0x0000000000BC0000-0x0000000000BF2000-memory.dmp

Filesize
200KB

Download
memory/3980-14-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download
memory/3980-16-0x00000000059E0000-0x0000000005FF8000-memory.dmp

Filesize
6.1MB

Download
memory/3980-17-0x0000000005560000-0x000000000566A000-memory.dmp

Filesize
1.0MB

Download
memory/3980-18-0x0000000005490000-0x00000000054A2000-memory.dmp

Filesize
72KB

Download
memory/3980-19-0x00000000054F0000-0x000000000552C000-memory.dmp

Filesize
240KB

Download
memory/3980-20-0x0000000005670000-0x00000000056BC000-memory.dmp

Filesize
304KB

Download
memory/3980-21-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads