healer | ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723

General

Target

ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe
Size

500KB
MD5

8b642c3708b8cc7e4cd6005762b17260
SHA1

9cca95543b49a8b2d9005d1549f60e289d274ebb
SHA256

ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723
SHA512

4b446551c547b371f488dcc1b568d292b4786c5831b357f12a38c361ea9f4cf392b06de27aa5b5938a9a4c1ba7cf9d95eb155865bfd0ef5eb9f682387f5c2641
SSDEEP

12288:nMrTy90p+8/VseEi07qMhNKFDPoW/Ti1Cgr4Sk8Yn:0y1iVaPLcDAW/wl48Yn

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/0x0009000000023bbc-12.dat	healer
behavioral1/memory/2536-15-0x0000000000F70000-0x0000000000F7A000-memory.dmp	healer
behavioral1/memory/1992-22-0x00000000024C0000-0x00000000024DA000-memory.dmp	healer
behavioral1/memory/1992-24-0x00000000025D0000-0x00000000025E8000-memory.dmp	healer
behavioral1/memory/1992-26-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-28-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-34-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-52-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-50-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-48-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-47-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-44-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-42-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-40-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-38-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-37-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-32-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-30-0x00000000025D0000-0x00000000025E2000-memory.dmp	healer
behavioral1/memory/1992-25-0x00000000025D0000-0x00000000025E2000-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"	dru52Pb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dru52Pb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	edF83fI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	edF83fI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	edF83fI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	edF83fI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	edF83fI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	edF83fI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dru52Pb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dru52Pb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dru52Pb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dru52Pb.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/0x000e000000023bb7-57.dat	family_redline
behavioral1/memory/4564-59-0x0000000000020000-0x0000000000052000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4020	ntx53VI90.exe
2536	dru52Pb.exe
1992	edF83fI.exe
4564	fft42xa.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"	edF83fI.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dru52Pb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	edF83fI.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\\\""	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.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\\\""	ntx53VI90.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4884	1992	WerFault.exe	101

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	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ntx53VI90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edF83fI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fft42xa.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2536	dru52Pb.exe
2536	dru52Pb.exe
1992	edF83fI.exe
1992	edF83fI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	dru52Pb.exe
Token: SeDebugPrivilege	1992	edF83fI.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 4020	4540	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe	83
PID 4540 wrote to memory of 4020	4540	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe	83
PID 4540 wrote to memory of 4020	4540	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe	83
PID 4020 wrote to memory of 2536	4020	ntx53VI90.exe	84
PID 4020 wrote to memory of 2536	4020	ntx53VI90.exe	84
PID 4020 wrote to memory of 1992	4020	ntx53VI90.exe	101
PID 4020 wrote to memory of 1992	4020	ntx53VI90.exe	101
PID 4020 wrote to memory of 1992	4020	ntx53VI90.exe	101
PID 4540 wrote to memory of 4564	4540	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe	109
PID 4540 wrote to memory of 4564	4540	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe	109
PID 4540 wrote to memory of 4564	4540	ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe	109

C:\Users\Admin\AppData\Local\Temp\ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe
"C:\Users\Admin\AppData\Local\Temp\ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntx53VI90.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntx53VI90.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dru52Pb.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dru52Pb.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2536
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edF83fI.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edF83fI.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:1992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 1084
      4⤵
      Program crash
      PID:4884
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fft42xa.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fft42xa.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1992 -ip 1992
1⤵
PID:32

Network

DNS

209.205.72.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

209.205.72.20.in-addr.arpa

IN PTR

Response
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

73.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.31.126.40.in-addr.arpa

IN PTR

Response
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

43.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

43.229.111.52.in-addr.arpa

IN PTR

Response

193.233.20.13:4136

fft42xa.exe

260 B
5
193.233.20.13:4136

fft42xa.exe

260 B
5
193.233.20.13:4136

fft42xa.exe

260 B
5
193.233.20.13:4136

fft42xa.exe

260 B
5
193.233.20.13:4136

fft42xa.exe

260 B
5

8.8.8.8:53

209.205.72.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

209.205.72.20.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

83.210.23.2.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

73.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

73.31.126.40.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

43.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

43.229.111.52.in-addr.arpa

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\fft42xa.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntx53VI90.exe

Filesize
355KB

MD5
4275263d68fb6fb90862ef3a6d4aff24

SHA1
32dae5107110227930f44baba916480c5df12273

SHA256
50b27f55d9f3204e621d123e07cdd64f182814cf030a169bbd2f7cd4950b57f3

SHA512
d5e992ef8400d7c193220d0f019bc54858f2edcd58586b04eb6d81b75cc1d7241607d0b046573c6a8a8d488f53fbb77c41b9baac56f44de7679262044e8ee8ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dru52Pb.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edF83fI.exe

Filesize
295KB

MD5
dd0adf92524d842b17843e3a38769564

SHA1
4b34fbf5dade2193630f92053be9f0dcfe563d3c

SHA256
489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682

SHA512
7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

Download Submit
memory/1992-44-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-38-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-22-0x00000000024C0000-0x00000000024DA000-memory.dmp

Filesize
104KB

Download
memory/1992-23-0x0000000004CC0000-0x0000000005264000-memory.dmp

Filesize
5.6MB

Download
memory/1992-24-0x00000000025D0000-0x00000000025E8000-memory.dmp

Filesize
96KB

Download
memory/1992-26-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-28-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-34-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-52-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-50-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-48-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-47-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1992-42-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-40-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1992-37-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-32-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-30-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/1992-25-0x00000000025D0000-0x00000000025E2000-memory.dmp

Filesize
72KB

Download
memory/2536-16-0x00007FF8DB203000-0x00007FF8DB205000-memory.dmp

Filesize
8KB

Download
memory/2536-15-0x0000000000F70000-0x0000000000F7A000-memory.dmp

Filesize
40KB

Download
memory/2536-14-0x00007FF8DB203000-0x00007FF8DB205000-memory.dmp

Filesize
8KB

Download
memory/4564-59-0x0000000000020000-0x0000000000052000-memory.dmp

Filesize
200KB

Download
memory/4564-60-0x0000000004E70000-0x0000000005488000-memory.dmp

Filesize
6.1MB

Download
memory/4564-61-0x00000000049C0000-0x0000000004ACA000-memory.dmp

Filesize
1.0MB

Download
memory/4564-62-0x00000000048F0000-0x0000000004902000-memory.dmp

Filesize
72KB

Download
memory/4564-63-0x0000000004950000-0x000000000498C000-memory.dmp

Filesize
240KB

Download
memory/4564-64-0x0000000004AD0000-0x0000000004B1C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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