healer | a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943

General

Target

a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe
Size

500KB
MD5

1dc19d31e8740a0d5470d9c57b1a5535
SHA1

a9eb7192dc4c9cb3a32ee99871b01e167163d63e
SHA256

a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943
SHA512

77a5ee7f016fec1bb5f1497dc5936f19f8304f8d055db6480df2185f6ec2d84c5e197fad964171cc56229b5b3e532a056b6e43f16cbaa839960d0226ed3efa4d
SSDEEP

12288:VMrPy90fnxVNVzHRQG/S8G/SnC6H+LEOr:SyexVTxFSH6HKh

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/0x0008000000023c67-12.dat	healer
behavioral1/memory/4564-15-0x0000000000890000-0x000000000089A000-memory.dmp	healer
behavioral1/memory/4152-22-0x0000000002560000-0x000000000257A000-memory.dmp	healer
behavioral1/memory/4152-24-0x0000000002600000-0x0000000002618000-memory.dmp	healer
behavioral1/memory/4152-25-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-32-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-52-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-48-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-47-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-44-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-42-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-40-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-38-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-36-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-34-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-30-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-28-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-26-0x0000000002600000-0x0000000002612000-memory.dmp	healer
behavioral1/memory/4152-50-0x0000000002600000-0x0000000002612000-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\DisableIOAVProtection = "1"	dtW95UB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eVe93Su.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dtW95UB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dtW95UB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dtW95UB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dtW95UB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dtW95UB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eVe93Su.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eVe93Su.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eVe93Su.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eVe93Su.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eVe93Su.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/0x0007000000023c65-57.dat	family_redline
behavioral1/memory/3036-59-0x00000000005B0000-0x00000000005E2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2148	nvH10rA21.exe
4564	dtW95UB.exe
4152	eVe93Su.exe
3036	fgA84kR.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"	dtW95UB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eVe93Su.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eVe93Su.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\\\""	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.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\\\""	nvH10rA21.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
924	4152	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	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nvH10rA21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eVe93Su.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fgA84kR.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4564	dtW95UB.exe
4564	dtW95UB.exe
4152	eVe93Su.exe
4152	eVe93Su.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4564	dtW95UB.exe
Token: SeDebugPrivilege	4152	eVe93Su.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2148	2160	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe	83
PID 2160 wrote to memory of 2148	2160	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe	83
PID 2160 wrote to memory of 2148	2160	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe	83
PID 2148 wrote to memory of 4564	2148	nvH10rA21.exe	84
PID 2148 wrote to memory of 4564	2148	nvH10rA21.exe	84
PID 2148 wrote to memory of 4152	2148	nvH10rA21.exe	96
PID 2148 wrote to memory of 4152	2148	nvH10rA21.exe	96
PID 2148 wrote to memory of 4152	2148	nvH10rA21.exe	96
PID 2160 wrote to memory of 3036	2160	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe	101
PID 2160 wrote to memory of 3036	2160	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe	101
PID 2160 wrote to memory of 3036	2160	a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe	101

C:\Users\Admin\AppData\Local\Temp\a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe
"C:\Users\Admin\AppData\Local\Temp\a5cbc3bd56c4a4bdcebe82da484e4397f272702cdf8f1c6f351883a06982a943.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nvH10rA21.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nvH10rA21.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtW95UB.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtW95UB.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4564
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eVe93Su.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eVe93Su.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:4152
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 1088
      4⤵
      Program crash
      PID:924
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgA84kR.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fgA84kR.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4152 -ip 4152
1⤵
PID:3916

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\fgA84kR.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nvH10rA21.exe

Filesize
355KB

MD5
f4a30826dc6fca84a99628ef14a9859f

SHA1
c2d306946fea64ece5e41414f2eb3aaf2dcb8826

SHA256
07e5b95108400d5777b049a8151999c20a1125465dfe40f2dc68cf41e572785a

SHA512
7f65f51e8262e27608e303416a795a01fa042e69630961acfc6d6ec3c3ba852b38936f68b554dc8d22d169d992c200fe88078852c4820d45e087da3d5add14e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtW95UB.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eVe93Su.exe

Filesize
294KB

MD5
e756f652b55d5cdea64c99e99dd2944b

SHA1
4b029d66a9191401600ce49ee339978e51655c4d

SHA256
43e64e06e9b8d9beef5843448023d8741fc39f96ac82dabf28d5daa2a4ec74a8

SHA512
9cae586c698a5b6061cc2b52e2cea9de7baaf266f24259c1833588c9448a416a59dd45921de2e17597ce8b03447c83f26ec83e3f4c2e23f7d53345856ca8c457

Download Submit
memory/3036-64-0x00000000051A0000-0x00000000051EC000-memory.dmp

Filesize
304KB

Download
memory/3036-63-0x0000000005020000-0x000000000505C000-memory.dmp

Filesize
240KB

Download
memory/3036-62-0x0000000004FC0000-0x0000000004FD2000-memory.dmp

Filesize
72KB

Download
memory/3036-61-0x0000000005090000-0x000000000519A000-memory.dmp

Filesize
1.0MB

Download
memory/3036-60-0x0000000005510000-0x0000000005B28000-memory.dmp

Filesize
6.1MB

Download
memory/3036-59-0x00000000005B0000-0x00000000005E2000-memory.dmp

Filesize
200KB

Download
memory/4152-40-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-28-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-48-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-47-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-44-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-42-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-32-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-38-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-36-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-34-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-30-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-52-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-26-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-50-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4152-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4152-25-0x0000000002600000-0x0000000002612000-memory.dmp

Filesize
72KB

Download
memory/4152-24-0x0000000002600000-0x0000000002618000-memory.dmp

Filesize
96KB

Download
memory/4152-23-0x0000000004E30000-0x00000000053D4000-memory.dmp

Filesize
5.6MB

Download
memory/4152-22-0x0000000002560000-0x000000000257A000-memory.dmp

Filesize
104KB

Download
memory/4564-16-0x00007FFA81253000-0x00007FFA81255000-memory.dmp

Filesize
8KB

Download
memory/4564-15-0x0000000000890000-0x000000000089A000-memory.dmp

Filesize
40KB

Download
memory/4564-14-0x00007FFA81253000-0x00007FFA81255000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads