02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6

Reason

Machine shutdown

General

Target

02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Size

234KB
MD5

52388efef65151557e386d2829247b20
SHA1

3258e556cd6e3b6a7941dbe3494c060b63448557
SHA256

02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6
SHA512

dc829f5cdc3a8bf618aade862a3920bfc2e88146dd3d85d76e5cf4d36331ac43c6fc7944bd17178fc48fc97c013f9d1eb46c4e9a375c3b2f0708341e9cf4ee6f
SSDEEP

384:PJG14lR/NpKAN+UJfo8vJh/7neuwyv3ZUKcreuDreuwyv3ZUKcreuDj:RFtFe8vJtDeunUreufeunUreuP

Score

10^/10

defense_evasion discovery evasion persistence

Malware Config

Signatures

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Disables Task Manager via registry modification
evasion

Adds Run key to start application 2 TTPs 2 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\Run\Winsys = "C:\\Windows\\system32\\winsock.exe /wininit"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32 = "C:\\Windows\\system32\\winkernel32.exe /system"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Modifies WinLogon 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeCaption = "Micromerde Windobe Xnaze"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeText = "Vous utilisez Super Winmerde"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\LogonPrompt = "Entre ton passss !"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Welcome = "Salut pti blairo !"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winkernel32.exe	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
File opened for modification	C:\Windows\SysWOW64\winkernel32.exe	attrib.exe
File created	C:\Windows\SysWOW64\winsock.exe	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
File opened for modification	C:\Windows\SysWOW64\winsock.exe	attrib.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1600	cmd.exe
2608	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\Window Title = "Vive Les Marmottes qui chantent !"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.webfmdr.com/B/"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2660	shutdown.exe
Token: SeRemoteShutdownPrivilege	2660	shutdown.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 1600	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	28
PID 2792 wrote to memory of 1600	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	28
PID 2792 wrote to memory of 1600	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	28
PID 2792 wrote to memory of 1600	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	28
PID 1600 wrote to memory of 3004	1600	cmd.exe	30
PID 1600 wrote to memory of 3004	1600	cmd.exe	30
PID 1600 wrote to memory of 3004	1600	cmd.exe	30
PID 1600 wrote to memory of 3004	1600	cmd.exe	30
PID 2792 wrote to memory of 2608	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	31
PID 2792 wrote to memory of 2608	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	31
PID 2792 wrote to memory of 2608	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	31
PID 2792 wrote to memory of 2608	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	31
PID 2608 wrote to memory of 2752	2608	cmd.exe	33
PID 2608 wrote to memory of 2752	2608	cmd.exe	33
PID 2608 wrote to memory of 2752	2608	cmd.exe	33
PID 2608 wrote to memory of 2752	2608	cmd.exe	33
PID 2792 wrote to memory of 2132	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	34
PID 2792 wrote to memory of 2132	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	34
PID 2792 wrote to memory of 2132	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	34
PID 2792 wrote to memory of 2132	2792	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe	34
PID 2132 wrote to memory of 2660	2132	cmd.exe	36
PID 2132 wrote to memory of 2660	2132	cmd.exe	36
PID 2132 wrote to memory of 2660	2132	cmd.exe	36
PID 2132 wrote to memory of 2660	2132	cmd.exe	36

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\NoColorChoice = "1"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\NoSizeChoice = "1"	02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2752	attrib.exe
3004	attrib.exe

C:\Users\Admin\AppData\Local\Temp\02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe
"C:\Users\Admin\AppData\Local\Temp\02b6675eedc6f5f6fa88bae5e331131c6900501e5b543ff16f839320f6d33cb6N.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Adds Run key to start application
- Modifies WinLogon
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2792
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib +h +s "C:\Windows\system32\winsock.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +s "C:\Windows\system32\winsock.exe"
    3⤵
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3004
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib +h +s "C:\Windows\system32\winkernel32.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +s "C:\Windows\system32\winkernel32.exe"
    3⤵
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2752
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c shutdown -r
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2660

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:580

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Hide Artifacts

4

T1564

Hidden Files and Directories

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:\Windows\SysWOW64\winsock.exe

Filesize
258KB

MD5
f2e15b52a3cdc16e2e0a241e7b7af12b

SHA1
5fc354c6e2199d8178a7512ef16c56d2b87be372

SHA256
93becf493f79d3a981b1ecdb6d4cf8bd13dcf980ebc6a2dc8e4a27e01c2e8c1f

SHA512
61a155f138106fab98110fd8e204b9f33898fb25f32e46e1e60512a2a2a79fe5ce078f798db39db7ced47bfa411d681a7847768ab39a132ccaefd44d0786a740

Download Submit
memory/580-8-0x0000000002D90000-0x0000000002D91000-memory.dmp

Filesize
4KB

Download
memory/2792-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads