healer | 57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf

General

Target

57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe
Size

500KB
MD5

24980a82789df278326559ccac0147a6
SHA1

dc4dc7b6503178e5e88add775e68a1b743d2cdef
SHA256

57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf
SHA512

7f4f73f8f3638da861b9de74732e00546a76f592ab52bddf20f48afb22f1a9b529707e537c43097ceee2d680f92885af0994b22b1d8b0e391fdd2d163e6b5809
SSDEEP

12288:zMrEy90MbK11FENNgNRMcykwF9nQRpqe73rFU:3yu/FEWmn6pqG3rm

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/0x0008000000023c9d-12.dat	healer
behavioral1/memory/5092-15-0x00000000008D0000-0x00000000008DA000-memory.dmp	healer
behavioral1/memory/836-22-0x00000000024C0000-0x00000000024DA000-memory.dmp	healer
behavioral1/memory/836-24-0x0000000002660000-0x0000000002678000-memory.dmp	healer
behavioral1/memory/836-52-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-50-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-48-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-46-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-44-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-42-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-40-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-38-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-36-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-34-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-32-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-30-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-28-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-26-0x0000000002660000-0x0000000002672000-memory.dmp	healer
behavioral1/memory/836-25-0x0000000002660000-0x0000000002672000-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	dvq15gb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dvq15gb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dvq15gb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dvq15gb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dvq15gb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	efF15TA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	efF15TA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	efF15TA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dvq15gb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	efF15TA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	efF15TA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	efF15TA.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/0x0007000000023c9b-58.dat	family_redline
behavioral1/memory/2016-59-0x0000000000A00000-0x0000000000A32000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
428	nTS37kT07.exe
5092	dvq15gb.exe
836	efF15TA.exe
2016	fUi21Sl.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"	dvq15gb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	efF15TA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	efF15TA.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\\\""	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.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\\\""	nTS37kT07.exe

Launches sc.exe 1 IoCs

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

pid	Process
1536	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2044	836	WerFault.exe	95

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	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nTS37kT07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efF15TA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fUi21Sl.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5092	dvq15gb.exe
5092	dvq15gb.exe
836	efF15TA.exe
836	efF15TA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5092	dvq15gb.exe
Token: SeDebugPrivilege	836	efF15TA.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 428	1208	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe	84
PID 1208 wrote to memory of 428	1208	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe	84
PID 1208 wrote to memory of 428	1208	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe	84
PID 428 wrote to memory of 5092	428	nTS37kT07.exe	85
PID 428 wrote to memory of 5092	428	nTS37kT07.exe	85
PID 428 wrote to memory of 836	428	nTS37kT07.exe	95
PID 428 wrote to memory of 836	428	nTS37kT07.exe	95
PID 428 wrote to memory of 836	428	nTS37kT07.exe	95
PID 1208 wrote to memory of 2016	1208	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe	100
PID 1208 wrote to memory of 2016	1208	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe	100
PID 1208 wrote to memory of 2016	1208	57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe	100

C:\Users\Admin\AppData\Local\Temp\57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe
"C:\Users\Admin\AppData\Local\Temp\57b5ce4fc711c4d5c7920caf71b4a9717b4666fc13ccabf47fcaa3eee93f2fdf.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTS37kT07.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTS37kT07.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:428
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvq15gb.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvq15gb.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5092
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efF15TA.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efF15TA.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:836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 1084
      4⤵
      Program crash
      PID:2044
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fUi21Sl.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fUi21Sl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 836 -ip 836
1⤵
PID:2224

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:1536

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\fUi21Sl.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nTS37kT07.exe

Filesize
356KB

MD5
bbd664d5de774dac8939a96ec213b989

SHA1
6111db335c5fcf3da14a96e14173950bcc52a580

SHA256
d89d456296b1765c929ec9dbb4ece6c71128d46887eef429a1ea330f7f3d26a4

SHA512
7e96e42ee56017153033b1cca3eb3bed2a0e65fded39e4347c5bcf190a0cc51a6ffe31731695b52487b7839bac631627bd21ad365bba57067fe4c991096f3167

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvq15gb.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efF15TA.exe

Filesize
295KB

MD5
d1baaaef27df63f5eee510b48a48fb0a

SHA1
9fbfd664631228831a0e75e1b2ec97078d1ba5ed

SHA256
13fa439a8f580d451aabe918306177a7f38920a07dc07665b05c4c5f19e726b7

SHA512
5598f84da673777996cf10e9af99d20b365c945f9eb5807f9fcaa5387c21201c1a5cc699b67e381ee82bd5adb6fefd167f1f62bd0421a21f5d172f6853ebd988

Download Submit
memory/836-38-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-32-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-22-0x00000000024C0000-0x00000000024DA000-memory.dmp

Filesize
104KB

Download
memory/836-23-0x0000000004D40000-0x00000000052E4000-memory.dmp

Filesize
5.6MB

Download
memory/836-24-0x0000000002660000-0x0000000002678000-memory.dmp

Filesize
96KB

Download
memory/836-52-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-50-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-48-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-46-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-44-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-42-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-40-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/836-36-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-34-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/836-30-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-28-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-26-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/836-25-0x0000000002660000-0x0000000002672000-memory.dmp

Filesize
72KB

Download
memory/2016-59-0x0000000000A00000-0x0000000000A32000-memory.dmp

Filesize
200KB

Download
memory/2016-60-0x0000000005960000-0x0000000005F78000-memory.dmp

Filesize
6.1MB

Download
memory/2016-61-0x00000000054E0000-0x00000000055EA000-memory.dmp

Filesize
1.0MB

Download
memory/2016-62-0x0000000005410000-0x0000000005422000-memory.dmp

Filesize
72KB

Download
memory/2016-63-0x0000000005470000-0x00000000054AC000-memory.dmp

Filesize
240KB

Download
memory/2016-64-0x00000000055F0000-0x000000000563C000-memory.dmp

Filesize
304KB

Download
memory/5092-16-0x00007FFF285F3000-0x00007FFF285F5000-memory.dmp

Filesize
8KB

Download
memory/5092-15-0x00000000008D0000-0x00000000008DA000-memory.dmp

Filesize
40KB

Download
memory/5092-14-0x00007FFF285F3000-0x00007FFF285F5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads