d5acc827ecfc0a6944eb3b7fe4e1de10c433f8bacbf9e5ac576a5fbd55219f36

Resubmissions

19-11-2024 17:09

241119-vn7sxsydpa 10

19-11-2024 03:18

241119-dtmlhazapb 10

19-11-2024 03:11

241119-dp3f6azgpp 10

19-11-2024 03:07

241119-dmstyazgnj 10

Analysis

max time kernel
53s
max time network
35s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-es
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-eslocale:es-esos:windows10-ltsc 2021-x64systemwindows
submitted
19-11-2024 03:07

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Report Analysis Logs

General

Target

Recovery.exe
Size

107KB
MD5

d90957d3cd23fbe36dedf1de6faa40d7
SHA1

d4eaf5265a509389673f78621f2b8fad4469534b
SHA256

d5acc827ecfc0a6944eb3b7fe4e1de10c433f8bacbf9e5ac576a5fbd55219f36
SHA512

aee281bbeace797741126ccdb5b516bfb265b6630f16ffaf44ad840383e42ea11e5fe9b30518c2de652dfc2dfc8521523f99b8e39d79d28691e6049de843c12f
SSDEEP

3072:gL06G8Hl9Sfhw4mzbW/hg0cYpG1RgN1UeeXB:gL48F9S2NbAhg0cYpG1RgN1Ues

Score

10^/10

bootkit discovery evasion exploit persistence trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

Recovery.exe

description	ioc	process
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

Processes:

Recovery.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\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

Processes:

Recovery.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\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

Processes:

Recovery.exe

description	ioc	process
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\EnableLUA = "0"	Recovery.exe

Blocks application from running via registry modification 9 IoCs

Adds application to list of disallowed applications.

evasion

Processes:

Recovery.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "notepad.exe"	Recovery.exe
Key created	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\windows\CurrentVersion\Policies\Explorer\DisallowRun	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "ProcessHacker.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Autoruns.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "Autorunsc64.exe"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "procexp64.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "Autoruns64.exe"	Recovery.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "Autorunsc.exe"	Recovery.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

Recovery.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\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
Possible privilege escalation attempt 6 IoCs
exploit

Processes:

takeown.exetakeown.exeicacls.exeicacls.exetakeown.exeicacls.exe

pid process

2524 takeown.exe
4256 takeown.exe
4036 icacls.exe
192 icacls.exe
3856 takeown.exe
1400 icacls.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Recovery.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\Control Panel\International\Geo\Nation Recovery.exe
Modifies file permissions 1 TTPs 6 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exetakeown.exeicacls.exeicacls.exetakeown.exeicacls.exe

pid process

2524 takeown.exe
4256 takeown.exe
4036 icacls.exe
192 icacls.exe
3856 takeown.exe
1400 icacls.exe

pid	process
2524	takeown.exe
4256	takeown.exe
4036	icacls.exe
192	icacls.exe
3856	takeown.exe
1400	icacls.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\Control Panel\International\Geo\Nation	Recovery.exe

pid	process
2524	takeown.exe
4256	takeown.exe
4036	icacls.exe
192	icacls.exe
3856	takeown.exe
1400	icacls.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Recovery.exe

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

Processes:

Recovery.exe

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

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

Processes:

Recovery.exe

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

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

Modifies Control Panel 1 IoCs

evasion

Processes:

Recovery.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\Control Panel\Desktop\AutoColorization = "1"	Recovery.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

Recovery.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-641261377-2215826147-608237349-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "https://github.com/Joseantonio2354/Kawaii"	Recovery.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

takeown.exetakeown.exetakeown.exeRecovery.exe

description	pid	process
Token: SeTakeOwnershipPrivilege	4256	takeown.exe
Token: SeTakeOwnershipPrivilege	2524	takeown.exe
Token: SeTakeOwnershipPrivilege	3856	takeown.exe
Token: SeDebugPrivilege	3516	Recovery.exe
Token: SeDebugPrivilege	3516	Recovery.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Recovery.execmd.execmd.exe

description	pid	process	target process
PID 3516 wrote to memory of 2616	3516	Recovery.exe	cmd.exe
PID 3516 wrote to memory of 2616	3516	Recovery.exe	cmd.exe
PID 3516 wrote to memory of 3428	3516	Recovery.exe	cmd.exe
PID 3516 wrote to memory of 3428	3516	Recovery.exe	cmd.exe
PID 2616 wrote to memory of 2524	2616	cmd.exe	takeown.exe
PID 2616 wrote to memory of 2524	2616	cmd.exe	takeown.exe
PID 3428 wrote to memory of 4256	3428	cmd.exe	takeown.exe
PID 3428 wrote to memory of 4256	3428	cmd.exe	takeown.exe
PID 3428 wrote to memory of 4036	3428	cmd.exe	icacls.exe
PID 3428 wrote to memory of 4036	3428	cmd.exe	icacls.exe
PID 2616 wrote to memory of 192	2616	cmd.exe	icacls.exe
PID 2616 wrote to memory of 192	2616	cmd.exe	icacls.exe
PID 2616 wrote to memory of 3856	2616	cmd.exe	takeown.exe
PID 2616 wrote to memory of 3856	2616	cmd.exe	takeown.exe
PID 2616 wrote to memory of 1400	2616	cmd.exe	icacls.exe
PID 2616 wrote to memory of 1400	2616	cmd.exe	icacls.exe

System policy modification 1 TTPs 11 IoCs

evasion

Modify Registry

T1112

Processes:

Recovery.exe

description	ioc	process
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\Explorer\NoFolderOptions = "1"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "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\System\ConsentPromptBehaviorAdmin = "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\NoFind = "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\shutdownwithoutlogon = "0"	Recovery.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\UseDefaultTile = "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 computer location settings
- 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:3516
- 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:2616
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:2524
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32 /grant Admin:F
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:192
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32\drivers
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:3856
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32\drivers /grant Admin:F
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1400
- 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:3428
- - 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:4256
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32\winlogon.exe /grant Admin:F exit
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4036

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

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3428-21-0x00007FF74AB30000-0x00007FF74AB97000-memory.dmp

Filesize
412KB

Download
memory/3428-22-0x00007FF9B7500000-0x00007FF9B7853000-memory.dmp

Filesize
3.3MB

Download
memory/3428-23-0x00007FF9B6D10000-0x00007FF9B6D37000-memory.dmp

Filesize
156KB

Download
memory/3516-17-0x00007FF9B7130000-0x00007FF9B71D9000-memory.dmp

Filesize
676KB

Download
memory/3516-20-0x00007FF9B0570000-0x00007FF9B05CB000-memory.dmp

Filesize
364KB

Download
memory/3516-5-0x00007FF999EE3000-0x00007FF999EE5000-memory.dmp

Filesize
8KB

Download
memory/3516-6-0x00007FF9B3C10000-0x00007FF9B3CA0000-memory.dmp

Filesize
576KB

Download
memory/3516-8-0x00007FF9A9120000-0x00007FF9A913F000-memory.dmp

Filesize
124KB

Download
memory/3516-7-0x00007FF9B78C0000-0x00007FF9B7970000-memory.dmp

Filesize
704KB

Download
memory/3516-9-0x00007FF9A31C0000-0x00007FF9A3250000-memory.dmp

Filesize
576KB

Download
memory/3516-10-0x00007FF999EE0000-0x00007FF99A9A2000-memory.dmp

Filesize
10.8MB

Download
memory/3516-13-0x00007FF9B6D10000-0x00007FF9B6D37000-memory.dmp

Filesize
156KB

Download
memory/3516-15-0x00007FF9B65F0000-0x00007FF9B6672000-memory.dmp

Filesize
520KB

Download
memory/3516-14-0x00007FF9B7500000-0x00007FF9B7853000-memory.dmp

Filesize
3.3MB

Download
memory/3516-0-0x00007FF999EE3000-0x00007FF999EE5000-memory.dmp

Filesize
8KB

Download
memory/3516-18-0x00007FF9B6B30000-0x00007FF9B6B7E000-memory.dmp

Filesize
312KB

Download
memory/3516-4-0x000000001C7C0000-0x000000001C8C2000-memory.dmp

Filesize
1.0MB

Download
memory/3516-3-0x00007FF999EE0000-0x00007FF99A9A2000-memory.dmp

Filesize
10.8MB

Download
memory/3516-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/3516-1-0x0000000000D10000-0x0000000000D32000-memory.dmp

Filesize
136KB

Download
memory/3516-30-0x00007FF9B6B80000-0x00007FF9B6CDE000-memory.dmp

Filesize
1.4MB

Download
memory/3516-27-0x00007FF9B7500000-0x00007FF9B7853000-memory.dmp

Filesize
3.3MB

Download
memory/3516-47-0x00007FF9A2590000-0x00007FF9A25B4000-memory.dmp

Filesize
144KB

Download
memory/3516-56-0x00007FF9B7470000-0x00007FF9B749B000-memory.dmp

Filesize
172KB

Download
memory/3516-67-0x00007FF9A3C20000-0x00007FF9A3C2B000-memory.dmp

Filesize
44KB

Download
memory/3516-66-0x00007FF9AE240000-0x00007FF9AE4FE000-memory.dmp

Filesize
2.7MB

Download
memory/3516-62-0x00007FF9B4E40000-0x00007FF9B4E63000-memory.dmp

Filesize
140KB

Download
memory/3516-57-0x00007FF9B6DE0000-0x00007FF9B6EF7000-memory.dmp

Filesize
1.1MB

Download