healer | 6ca88822b5ba6b634cfa1edc15a774cd8018bfc10a46b7982fec0f6dae1329eb

General

Target

6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe
Size

477KB
MD5

3dd7ba21f31240754e9d02b96625e5cd
SHA1

bd4a4c84d83bb306527a1781c2e7602b4b9102d3
SHA256

6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a
SHA512

7d7900bdc8cdb202829fe26ae6a9abd9470c4d9cf41198858cb1cd5f114896dde05a42fc47c7987cf2b97efa9419d8a0fc26f08ce21be60b2d3085fb97dfeccd
SSDEEP

6144:KIy+bnr++p0yN90QE6Wm8aYM++Nj2SfEY/j5cp98THdztG/m9GRY4xsZcepRfi+6:EMrOy90JH+NCrYr5hJCY4x6pNs

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/0x0008000000023cb0-12.dat	healer
behavioral1/memory/1708-15-0x00000000004B0000-0x00000000004BA000-memory.dmp	healer
behavioral1/memory/3940-22-0x0000000002670000-0x000000000268A000-memory.dmp	healer
behavioral1/memory/3940-24-0x00000000029A0000-0x00000000029B8000-memory.dmp	healer
behavioral1/memory/3940-52-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-50-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-48-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-46-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-44-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-42-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-40-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-38-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-36-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-34-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-32-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-30-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-28-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-26-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/3940-25-0x00000000029A0000-0x00000000029B2000-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	dZZ87ii.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dZZ87ii.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dZZ87ii.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dZZ87ii.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eAG43jd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eAG43jd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dZZ87ii.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dZZ87ii.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eAG43jd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eAG43jd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eAG43jd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eAG43jd.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/0x0007000000023cae-57.dat	family_redline
behavioral1/memory/3912-59-0x0000000000770000-0x00000000007A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
1572	nkR11zZ77.exe
1708	dZZ87ii.exe
3940	eAG43jd.exe
3912	fbp86ze.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"	dZZ87ii.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eAG43jd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eAG43jd.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\\\""	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.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\\\""	nkR11zZ77.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4108	3940	WerFault.exe	93

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	eAG43jd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbp86ze.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nkR11zZ77.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1708	dZZ87ii.exe
1708	dZZ87ii.exe
3940	eAG43jd.exe
3940	eAG43jd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	dZZ87ii.exe
Token: SeDebugPrivilege	3940	eAG43jd.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 1572	5064	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe	83
PID 5064 wrote to memory of 1572	5064	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe	83
PID 5064 wrote to memory of 1572	5064	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe	83
PID 1572 wrote to memory of 1708	1572	nkR11zZ77.exe	84
PID 1572 wrote to memory of 1708	1572	nkR11zZ77.exe	84
PID 1572 wrote to memory of 3940	1572	nkR11zZ77.exe	93
PID 1572 wrote to memory of 3940	1572	nkR11zZ77.exe	93
PID 1572 wrote to memory of 3940	1572	nkR11zZ77.exe	93
PID 5064 wrote to memory of 3912	5064	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe	97
PID 5064 wrote to memory of 3912	5064	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe	97
PID 5064 wrote to memory of 3912	5064	6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe	97

C:\Users\Admin\AppData\Local\Temp\6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe
"C:\Users\Admin\AppData\Local\Temp\6098371c5a9482fceb415bbe4b4933a2451a07b26132c8e655fae8a4f7d9062a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkR11zZ77.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkR11zZ77.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1572
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZZ87ii.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZZ87ii.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1708
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAG43jd.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAG43jd.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:3940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1096
      4⤵
      Program crash
      PID:4108
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbp86ze.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbp86ze.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3940 -ip 3940
1⤵
PID:3208

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fbp86ze.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkR11zZ77.exe

Filesize
333KB

MD5
b14e851b13eaba005f1eac4fab60966a

SHA1
e50d8c9eaaad9145b811650001e1b99130957177

SHA256
82cf7a1ab96cdacca909fa4c894930c755dbc2b68b78e11f532cc35f7e051844

SHA512
67f8d5cf9c21b94ab6a05ac09d95b4688762b107c00187b953125b9b2f6fa8b7eaa299fc4e42fc1ac1cd10562bd8715d61b0fbad7ca908eb487f37e7dc25d532

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZZ87ii.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eAG43jd.exe

Filesize
235KB

MD5
a83f871ff3ff4702c68b94e0ba9ed0da

SHA1
6a7ceb6521559ec069e0067036d6d2de3a8294b4

SHA256
a7804907253a51461b3a23f3f54f59060707f4672c38f9b09d9cbb16b00e8fe8

SHA512
91d7e6c48afc6f334338aff3f0253f4593c03ab3d2657aa659fc67fb6288113e97211a89f58dd1c7906f662af14ca9dcd2d76c205ba5c121baf4e21fecfc8f6f

Download Submit
memory/1708-14-0x00007FFC03C23000-0x00007FFC03C25000-memory.dmp

Filesize
8KB

Download
memory/1708-15-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/1708-16-0x00007FFC03C23000-0x00007FFC03C25000-memory.dmp

Filesize
8KB

Download
memory/3912-64-0x0000000005220000-0x000000000526C000-memory.dmp

Filesize
304KB

Download
memory/3912-62-0x0000000005040000-0x0000000005052000-memory.dmp

Filesize
72KB

Download
memory/3912-61-0x0000000005110000-0x000000000521A000-memory.dmp

Filesize
1.0MB

Download
memory/3912-60-0x00000000055C0000-0x0000000005BD8000-memory.dmp

Filesize
6.1MB

Download
memory/3912-59-0x0000000000770000-0x00000000007A2000-memory.dmp

Filesize
200KB

Download
memory/3912-63-0x00000000050A0000-0x00000000050DC000-memory.dmp

Filesize
240KB

Download
memory/3940-38-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-26-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-40-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-44-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-36-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-34-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-32-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-30-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-28-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-42-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-25-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-53-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3940-55-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3940-46-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-48-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-50-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-52-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/3940-24-0x00000000029A0000-0x00000000029B8000-memory.dmp

Filesize
96KB

Download
memory/3940-23-0x0000000004EF0000-0x0000000005494000-memory.dmp

Filesize
5.6MB

Download
memory/3940-22-0x0000000002670000-0x000000000268A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads