healer | bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123

General

Target

bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe
Size

202KB
MD5

72069421e7fa6c75f6316950ee7d3228
SHA1

63290e6621a0dfdf2c6caf09ae5b27e2d616089a
SHA256

bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123
SHA512

3c0778224f842ba8394088f401dfbf5424bc449f3c3829ed70d885396ef51468cecf1851d243d61aa7b54a0e68f66cafdc6ced85ce85499a13a1290f642a27db
SSDEEP

3072:Kpy+bnr+O115GWp1icKAArDZz4N9GhbkrNEk6QJfW0MbuDuzIb6bCiQSTTTf2lYY:Kpy+bnr+Sp0yN90QEafFME+s9i5XDY

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0033000000023b74-5.dat	healer
behavioral1/memory/4240-8-0x0000000000E70000-0x0000000000E7A000-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"	rIs1898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rIs1898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rIs1898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rIs1898.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	rIs1898.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rIs1898.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/0x000a000000023b78-11.dat	family_redline
behavioral1/memory/2004-15-0x0000000000670000-0x00000000006A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4240	rIs1898.exe
2004	tyt25Me.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"	rIs1898.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\\\""	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.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	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tyt25Me.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4240	rIs1898.exe
4240	rIs1898.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4240	rIs1898.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 4240	3020	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe	83
PID 3020 wrote to memory of 4240	3020	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe	83
PID 3020 wrote to memory of 2004	3020	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe	94
PID 3020 wrote to memory of 2004	3020	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe	94
PID 3020 wrote to memory of 2004	3020	bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe	94

C:\Users\Admin\AppData\Local\Temp\bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe
"C:\Users\Admin\AppData\Local\Temp\bb0f899aa26fcae483fe903afa0ec36844faee00d801dc2f4ec340427dbbd123.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rIs1898.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\rIs1898.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4240
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tyt25Me.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tyt25Me.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2004

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\rIs1898.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tyt25Me.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
memory/2004-18-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/2004-14-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/2004-15-0x0000000000670000-0x00000000006A2000-memory.dmp

Filesize
200KB

Download
memory/2004-16-0x0000000005490000-0x0000000005AA8000-memory.dmp

Filesize
6.1MB

Download
memory/2004-17-0x0000000005010000-0x000000000511A000-memory.dmp

Filesize
1.0MB

Download
memory/2004-19-0x0000000004FA0000-0x0000000004FDC000-memory.dmp

Filesize
240KB

Download
memory/2004-20-0x0000000005120000-0x000000000516C000-memory.dmp

Filesize
304KB

Download
memory/2004-21-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/4240-9-0x00007FFF96493000-0x00007FFF96495000-memory.dmp

Filesize
8KB

Download
memory/4240-8-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download
memory/4240-7-0x00007FFF96493000-0x00007FFF96495000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads