healer | d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9

General

Target

d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe
Size

202KB
MD5

e4550062c9c688e3e3a3df2e73243a27
SHA1

345b6ce0ed11ef4e6671c0637689a444edb861dd
SHA256

d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9
SHA512

3113349f85eb546b6ff719d0dbb6efb26f6b76d5b300acda0762ecf9296f6174e76c484fe99bd47d64a96335f07bb86ce0ea1c916216ec5fce6df7d630ee2644
SSDEEP

3072:Kjy+bnr+O185GWp1icKAArDZz4N9GhbkrNEk60fA7jkFF9j5dBKOalY1:Kjy+bnr+np0yN90QE6fAHsF3B

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 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000023c79-5.dat	healer
behavioral1/memory/2384-8-0x0000000000BC0000-0x0000000000BCA000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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\DisableBehaviorMonitoring = "1"	iwr93sG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	iwr93sG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	iwr93sG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	iwr93sG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	iwr93sG.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	iwr93sG.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/0x0007000000023c7d-12.dat	family_redline
behavioral1/memory/4576-15-0x0000000000F30000-0x0000000000F62000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2384	iwr93sG.exe
4576	kYU01xj.exe

Windows security modification 2 TTPs 1 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"	iwr93sG.exe

Adds Run key to start application 2 TTPs 1 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\\\""	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kYU01xj.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2384	iwr93sG.exe
2384	iwr93sG.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	iwr93sG.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2384	4932	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe	83
PID 4932 wrote to memory of 2384	4932	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe	83
PID 4932 wrote to memory of 4576	4932	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe	89
PID 4932 wrote to memory of 4576	4932	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe	89
PID 4932 wrote to memory of 4576	4932	d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe	89

C:\Users\Admin\AppData\Local\Temp\d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe
"C:\Users\Admin\AppData\Local\Temp\d742e4b4d67496dab55b7c7bc06eee3d57c793d1c783f4a67fcca367094802e9.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iwr93sG.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iwr93sG.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2384
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kYU01xj.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kYU01xj.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4576

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\iwr93sG.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kYU01xj.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2384-7-0x00007FFD64D33000-0x00007FFD64D35000-memory.dmp

Filesize
8KB

Download
memory/2384-8-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

Filesize
40KB

Download
memory/2384-9-0x00007FFD64D33000-0x00007FFD64D35000-memory.dmp

Filesize
8KB

Download
memory/4576-15-0x0000000000F30000-0x0000000000F62000-memory.dmp

Filesize
200KB

Download
memory/4576-14-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/4576-16-0x0000000005EB0000-0x00000000064C8000-memory.dmp

Filesize
6.1MB

Download
memory/4576-17-0x0000000005A10000-0x0000000005B1A000-memory.dmp

Filesize
1.0MB

Download
memory/4576-18-0x0000000005940000-0x0000000005952000-memory.dmp

Filesize
72KB

Download
memory/4576-19-0x00000000059A0000-0x00000000059DC000-memory.dmp

Filesize
240KB

Download
memory/4576-20-0x0000000005B20000-0x0000000005B6C000-memory.dmp

Filesize
304KB

Download
memory/4576-21-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads