healer | a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96

General

Target

a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe
Size

481KB
MD5

7d16b79566ad8b891f016add07078949
SHA1

1f654283b44ea8334e6005f31a50e4988e0b8691
SHA256

a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96
SHA512

2d99eb44fe984799795dcb9a442f19b5aaa2f16f629c6ad78def357b6542c013069b225046c0b5583884643edfddc0c99b9757b63532052162f1e4b5c93faf84
SSDEEP

6144:K5y+bnr+ep0yN90QES542owfVGIPv2YYmdIRJOiwoWOuGDMQM2c8HX/D5z9WSI6x:nMrqy90S/fVJvYWiJOiBuRQw8L5ZWSf

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/0x0008000000023c87-12.dat	healer
behavioral1/memory/2764-15-0x0000000000CB0000-0x0000000000CBA000-memory.dmp	healer
behavioral1/memory/1032-22-0x00000000021E0000-0x00000000021FA000-memory.dmp	healer
behavioral1/memory/1032-24-0x00000000025F0000-0x0000000002608000-memory.dmp	healer
behavioral1/memory/1032-25-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-52-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-50-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-48-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-47-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-44-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-42-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-41-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-38-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-36-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-34-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-32-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-30-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-28-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral1/memory/1032-26-0x00000000025F0000-0x0000000002602000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dJg77kj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dJg77kj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dJg77kj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eIU80Zj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eIU80Zj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eIU80Zj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dJg77kj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dJg77kj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dJg77kj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eIU80Zj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eIU80Zj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eIU80Zj.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/0x0007000000023c85-58.dat	family_redline
behavioral1/memory/1060-59-0x0000000000580000-0x00000000005B2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4716	nIR15jD55.exe
2764	dJg77kj.exe
1032	eIU80Zj.exe
1060	fey44Zs.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eIU80Zj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dJg77kj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eIU80Zj.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\\\""	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.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\\\""	nIR15jD55.exe

Launches sc.exe 1 IoCs

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

pid	Process
1644	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3256	1032	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	fey44Zs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nIR15jD55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eIU80Zj.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2764	dJg77kj.exe
2764	dJg77kj.exe
1032	eIU80Zj.exe
1032	eIU80Zj.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	dJg77kj.exe
Token: SeDebugPrivilege	1032	eIU80Zj.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 4716	5044	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe	86
PID 5044 wrote to memory of 4716	5044	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe	86
PID 5044 wrote to memory of 4716	5044	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe	86
PID 4716 wrote to memory of 2764	4716	nIR15jD55.exe	87
PID 4716 wrote to memory of 2764	4716	nIR15jD55.exe	87
PID 4716 wrote to memory of 1032	4716	nIR15jD55.exe	96
PID 4716 wrote to memory of 1032	4716	nIR15jD55.exe	96
PID 4716 wrote to memory of 1032	4716	nIR15jD55.exe	96
PID 5044 wrote to memory of 1060	5044	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe	101
PID 5044 wrote to memory of 1060	5044	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe	101
PID 5044 wrote to memory of 1060	5044	a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe	101

C:\Users\Admin\AppData\Local\Temp\a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe
"C:\Users\Admin\AppData\Local\Temp\a762cf1fe9fa6cee5c309b7b981d2a87ad0498477c7d92d88d5ac61290fbbd96.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nIR15jD55.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nIR15jD55.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4716
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dJg77kj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dJg77kj.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIU80Zj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIU80Zj.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:1032
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 1084
      4⤵
      Program crash
      PID:3256
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fey44Zs.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fey44Zs.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1032 -ip 1032
1⤵
PID:1192

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:1644

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\fey44Zs.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nIR15jD55.exe

Filesize
336KB

MD5
c7005fa440aef8bdee1d010cd38a4228

SHA1
897d544374936e2eecb09e4eca16f956077c237f

SHA256
8007afabf678945c820d7cdd8d1ce5f83fe8b40590d2d0655fab5eef48425ad2

SHA512
71047a2efa443a44de398f8212dc92a2a81145fbd76fe20ad16f3a28b7a39aec759a0e9f73b60c1d5a6444582d7958985c42ae8d242480b5aca3edb4e514e4d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dJg77kj.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eIU80Zj.exe

Filesize
245KB

MD5
bbcaab6d431de6d63e20ec7a085b0526

SHA1
e5bb15ef7458b516b37602649498b3d13c4df67d

SHA256
e0bd77d953de9c400b8338ca69f2aeb4eadfae945c75081b3c61fcc23ede76ee

SHA512
4f9ba138d9b458bb24907b2873a5eb0648858a60c0afac97c7b41adc2a3033d12037770b8d266ec8e2fb821dc8dcefc65c7150af534110e407a9cc672e317ac8

Download Submit
memory/1032-41-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-34-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-22-0x00000000021E0000-0x00000000021FA000-memory.dmp

Filesize
104KB

Download
memory/1032-23-0x0000000004BC0000-0x0000000005164000-memory.dmp

Filesize
5.6MB

Download
memory/1032-24-0x00000000025F0000-0x0000000002608000-memory.dmp

Filesize
96KB

Download
memory/1032-25-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-52-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-50-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-48-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-47-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-44-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-42-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-55-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/1032-38-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-36-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-53-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/1032-32-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-30-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-28-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1032-26-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1060-59-0x0000000000580000-0x00000000005B2000-memory.dmp

Filesize
200KB

Download
memory/1060-60-0x00000000053A0000-0x00000000059B8000-memory.dmp

Filesize
6.1MB

Download
memory/1060-61-0x0000000004F20000-0x000000000502A000-memory.dmp

Filesize
1.0MB

Download
memory/1060-62-0x0000000004E50000-0x0000000004E62000-memory.dmp

Filesize
72KB

Download
memory/1060-63-0x0000000004ED0000-0x0000000004F0C000-memory.dmp

Filesize
240KB

Download
memory/1060-64-0x0000000005030000-0x000000000507C000-memory.dmp

Filesize
304KB

Download
memory/2764-16-0x00007FF8BDEF3000-0x00007FF8BDEF5000-memory.dmp

Filesize
8KB

Download
memory/2764-15-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2764-14-0x00007FF8BDEF3000-0x00007FF8BDEF5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads