healer | 6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201

General

Target

6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe
Size

483KB
MD5

8f86e382490d82f6e7bbaca2e20166e1
SHA1

f2aabb420ce6bd0f226c0cb4320179d03748f633
SHA256

6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201
SHA512

8fe04bbc458ae37828d92d9c368b15d5ed831b01cf584ba8c7f9ecf2c4c46267a102851c7158306ca3df3fde91bd4130c00fa625faa3dc9665a43615cc23ad1f
SSDEEP

12288:1MrMy90Yz/+uqfNttQVm9mkDPTGuExT1uSVMZuzWsAuMb9FYp:9ydzGuEbtQo9mkjPw1u/Zuz9Mb9FYp

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/0x0008000000023ca0-12.dat	healer
behavioral1/memory/2952-15-0x0000000000010000-0x000000000001A000-memory.dmp	healer
behavioral1/memory/4676-22-0x0000000002640000-0x000000000265A000-memory.dmp	healer
behavioral1/memory/4676-24-0x0000000004B10000-0x0000000004B28000-memory.dmp	healer
behavioral1/memory/4676-26-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-40-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-52-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-50-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-48-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-46-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-45-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-42-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-39-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-36-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-34-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-32-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-30-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-28-0x0000000004B10000-0x0000000004B22000-memory.dmp	healer
behavioral1/memory/4676-25-0x0000000004B10000-0x0000000004B22000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eDB37lB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eDB37lB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dTU72YR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dTU72YR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dTU72YR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eDB37lB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eDB37lB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eDB37lB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eDB37lB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dTU72YR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dTU72YR.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dTU72YR.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/0x0007000000023c9e-57.dat	family_redline
behavioral1/memory/4324-59-0x0000000000020000-0x0000000000052000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4488	nrD88Ww97.exe
2952	dTU72YR.exe
4676	eDB37lB.exe
4324	fSa47Nz.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"	dTU72YR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eDB37lB.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eDB37lB.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\\\""	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.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\\\""	nrD88Ww97.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1304	4676	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	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nrD88Ww97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eDB37lB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fSa47Nz.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2952	dTU72YR.exe
2952	dTU72YR.exe
4676	eDB37lB.exe
4676	eDB37lB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	dTU72YR.exe
Token: SeDebugPrivilege	4676	eDB37lB.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4488	4708	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe	84
PID 4708 wrote to memory of 4488	4708	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe	84
PID 4708 wrote to memory of 4488	4708	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe	84
PID 4488 wrote to memory of 2952	4488	nrD88Ww97.exe	85
PID 4488 wrote to memory of 2952	4488	nrD88Ww97.exe	85
PID 4488 wrote to memory of 4676	4488	nrD88Ww97.exe	93
PID 4488 wrote to memory of 4676	4488	nrD88Ww97.exe	93
PID 4488 wrote to memory of 4676	4488	nrD88Ww97.exe	93
PID 4708 wrote to memory of 4324	4708	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe	98
PID 4708 wrote to memory of 4324	4708	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe	98
PID 4708 wrote to memory of 4324	4708	6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe	98

C:\Users\Admin\AppData\Local\Temp\6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe
"C:\Users\Admin\AppData\Local\Temp\6b547d477421617a6ba573be7f5f809522506bcce4893b3e669399ecfd0d1201.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrD88Ww97.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrD88Ww97.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4488
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTU72YR.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTU72YR.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDB37lB.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDB37lB.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:4676
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 1084
      4⤵
      Program crash
      PID:1304
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSa47Nz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSa47Nz.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4676 -ip 4676
1⤵
PID:4380

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\fSa47Nz.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nrD88Ww97.exe

Filesize
338KB

MD5
cc901e564a9db610f448e1114a2338ff

SHA1
427008acf1ac988c3e6f24ab578eb7b5a1aae8d7

SHA256
d932f11a8c55f9600aa68be0373da9ea88766c4ad9db6fc03a92ed19f749db66

SHA512
9678ddbf1c96ee1a6b1b7089e68045c271934d6f1592d1e9ddbaa5bcab010b4b507ca7c7110fbd7fe710f2c7515a0b00e535a625c0132243906d6ad3a62365aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTU72YR.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eDB37lB.exe

Filesize
258KB

MD5
faeaf9bf8c211ef512e5d63a6199508e

SHA1
5a33aa871548e8ee95e348f285d5d0927a114a37

SHA256
5401a7b5eb1d3aacb7395f4ba8c3feb7ae28cc16b446d838337da8024f01c134

SHA512
e1c5beaa74e245f258fe7f42afb15391b1ff99b04c93e26ba527bd619d2fa062cc4b9564f23f515c4eefd3662702d6bcc0251b433693ba0f4ba291be427160d3

Download Submit
memory/2952-15-0x0000000000010000-0x000000000001A000-memory.dmp

Filesize
40KB

Download
memory/2952-14-0x00007FFB895F3000-0x00007FFB895F5000-memory.dmp

Filesize
8KB

Download
memory/2952-16-0x00007FFB895F3000-0x00007FFB895F5000-memory.dmp

Filesize
8KB

Download
memory/4324-64-0x0000000004AD0000-0x0000000004B1C000-memory.dmp

Filesize
304KB

Download
memory/4324-62-0x0000000004900000-0x0000000004912000-memory.dmp

Filesize
72KB

Download
memory/4324-61-0x00000000049C0000-0x0000000004ACA000-memory.dmp

Filesize
1.0MB

Download
memory/4324-60-0x0000000004E40000-0x0000000005458000-memory.dmp

Filesize
6.1MB

Download
memory/4324-59-0x0000000000020000-0x0000000000052000-memory.dmp

Filesize
200KB

Download
memory/4324-63-0x0000000004960000-0x000000000499C000-memory.dmp

Filesize
240KB

Download
memory/4676-42-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-28-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-45-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-48-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-39-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-36-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-34-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-32-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-30-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-46-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-25-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-53-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/4676-55-0x0000000000400000-0x0000000000574000-memory.dmp

Filesize
1.5MB

Download
memory/4676-50-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-52-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-40-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-26-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4676-24-0x0000000004B10000-0x0000000004B28000-memory.dmp

Filesize
96KB

Download
memory/4676-23-0x0000000004D00000-0x00000000052A4000-memory.dmp

Filesize
5.6MB

Download
memory/4676-22-0x0000000002640000-0x000000000265A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads