cd0f55dd00111251cd580c7e7cc1d17448faf27e4ef39818d75ce330628c7787

Analysis

max time kernel
3s
max time network
4s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-02-2024 14:29

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Reason

Machine shutdown

Report Analysis Logs

General

Target

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
Size

87KB
MD5

d6d956267a268c9dcf48445629d2803e
SHA1

cc0feae505dad9c140dd21d1b40b518d8e61b3a4
SHA256

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850
SHA512

e0791f6eb3116d0590be3af3713c94f787f7ced8e904d4bb8fc0d1341f332053414cb1e9095ae2de041b9e6d6d55cf773bf45ebeb74f27bb95c11a3cc364abee
SSDEEP

1536:OXMLuZQG3KJ3QaIH9shR4fZcvr4C9u3MTIdD9mtthd9JovrgmqhtvM4CoLT6QPbc:gMLuZraJ3a0ehcvv9sM+9mtthd0gmWkr

Score

10^/10

evasion persistence ransomware trojan

Malware Config

Signatures

Contains code to disable Windows Defender 2 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral17/memory/2616-0-0x0000000000F00000-0x0000000000F1C000-memory.dmp	disable_win_def
behavioral17/memory/2616-2-0x00000000004A0000-0x0000000000520000-memory.dmp	disable_win_def

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe,C:\\Windows\\system32\\userinit.exe"	reg.exe

Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exe

pid process

2180 bcdedit.exe

pid	process
2180	bcdedit.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

2716 reg.exe
Runs net.exe

pid	process
2716	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe

pid	process
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
Token: SeShutdownPrivilege	2800	shutdown.exe
Token: SeRemoteShutdownPrivilege	2800	shutdown.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exenet.exe

description	pid	process	target process
PID 2616 wrote to memory of 2716	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	reg.exe
PID 2616 wrote to memory of 2716	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	reg.exe
PID 2616 wrote to memory of 2716	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	reg.exe
PID 2616 wrote to memory of 2180	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	bcdedit.exe
PID 2616 wrote to memory of 2180	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	bcdedit.exe
PID 2616 wrote to memory of 2180	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	bcdedit.exe
PID 2616 wrote to memory of 2676	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	reg.exe
PID 2616 wrote to memory of 2676	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	reg.exe
PID 2616 wrote to memory of 2676	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	reg.exe
PID 2616 wrote to memory of 2796	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	net.exe
PID 2616 wrote to memory of 2796	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	net.exe
PID 2616 wrote to memory of 2796	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	net.exe
PID 2616 wrote to memory of 2800	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	shutdown.exe
PID 2616 wrote to memory of 2800	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	shutdown.exe
PID 2616 wrote to memory of 2800	2616	c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe	shutdown.exe
PID 2796 wrote to memory of 2656	2796	net.exe	net1.exe
PID 2796 wrote to memory of 2656	2796	net.exe	net1.exe
PID 2796 wrote to memory of 2656	2796	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe
"C:\Users\Admin\AppData\Local\Temp\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe"
1⤵
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\system32\reg.exe
  "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
  2⤵
  - Modifies registry key
  PID:2716
- C:\Windows\system32\net.exe
  "net.exe" user Admin ""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user Admin ""
    3⤵
    PID:2656
- C:\Windows\system32\shutdown.exe
  "shutdown.exe" /r /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\system32\reg.exe
  "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850.exe","C:\Windows\system32\userinit.exe" /f
  2⤵
  - Modifies WinLogon for persistence
  PID:2676
- C:\Windows\system32\bcdedit.exe
  "bcdedit.exe" /set {default} safeboot network
  2⤵
  - Modifies boot configuration data using bcdedit
  PID:2180

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2848

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

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Downloads

memory/2616-0-0x0000000000F00000-0x0000000000F1C000-memory.dmp

Filesize
112KB

Download
memory/2616-1-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/2616-2-0x00000000004A0000-0x0000000000520000-memory.dmp

Filesize
512KB

Download
memory/2616-4-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/2848-3-0x0000000002D90000-0x0000000002D91000-memory.dmp

Filesize
4KB

Download
memory/2920-5-0x0000000002B30000-0x0000000002B31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads