4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966

Reason

Machine shutdown

General

Target

000.exe
Size

6.7MB
MD5

f2b7074e1543720a9a98fda660e02688
SHA1

1029492c1a12789d8af78d54adcb921e24b9e5ca
SHA256

4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
SHA512

73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
SSDEEP

3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9

Score

8^/10

evasion persistence ransomware

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0"	000.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Control Panel\Desktop\Wallpaper	000.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2280	taskkill.exe
2708	taskkill.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\icon.ico"	000.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2136	000.exe
2136	000.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2940	2136	000.exe	29
PID 2136 wrote to memory of 2940	2136	000.exe	29
PID 2136 wrote to memory of 2940	2136	000.exe	29
PID 2136 wrote to memory of 2940	2136	000.exe	29

C:\Users\Admin\AppData\Local\Temp\000.exe
"C:\Users\Admin\AppData\Local\Temp\000.exe"
1⤵
- Modifies WinLogon
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
  2⤵
  PID:2940
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im explorer.exe
    3⤵
    - Kills process with taskkill
    PID:2280
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im taskmgr.exe
    3⤵
    - Kills process with taskkill
    PID:2708
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic useraccount where name='Admin' set FullName='UR NEXT'
    3⤵
    PID:2732
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic useraccount where name='Admin' rename 'UR NEXT'
    3⤵
    PID:2544
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown /f /r /t 0
    3⤵
    PID:2448

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2252

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

C:\Users\Admin\AppData\Local\Temp\one.rtf

Filesize
403B

MD5
6fbd6ce25307749d6e0a66ebbc0264e7

SHA1
faee71e2eac4c03b96aabecde91336a6510fff60

SHA256
e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690

SHA512
35a0d6d91178ec10619cf4d2fd44d3e57aa0266e1779e15b1eef6e9c359c77c384e0ffe4edb2cde980a6847e53f47733e6eacb72d46762066b3541dee3d29064

Download Submit
C:\Users\Admin\AppData\Local\Temp\rniw.exe

Filesize
76KB

MD5
9232120b6ff11d48a90069b25aa30abc

SHA1
97bb45f4076083fca037eee15d001fd284e53e47

SHA256
70faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be

SHA512
b06688a9fc0b853d2895f11e812c48d5871f2793183fda5e9638ded22fc5dc1e813f174baedc980a1f0b6a7b0a65cd61f29bb16acc6dd45da62988eb012d6877

Download Submit
C:\Users\Admin\AppData\Local\Temp\v.mp4

Filesize
81KB

MD5
d2774b188ab5dde3e2df5033a676a0b4

SHA1
6e8f668cba211f1c3303e4947676f2fc9e4a1bcc

SHA256
95374cf300097872a546d89306374e7cf2676f7a8b4c70274245d2dccfc79443

SHA512
3047a831ed9c8690b00763061807e98e15e9534ebc9499e3e5abb938199f9716c0e24a83a13291a8fd5b91a6598aeeef377d6793f6461fc0247ec4bbd901a131

Download Submit
C:\Users\Admin\AppData\Local\Temp\windl.bat

Filesize
771B

MD5
a9401e260d9856d1134692759d636e92

SHA1
4141d3c60173741e14f36dfe41588bb2716d2867

SHA256
b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7

SHA512
5cbe38cdab0283b87d9a9875f7ba6fa4e8a7673d933ca05deddddbcf6cf793bd1bf34ac0add798b4ed59ab483e49f433ce4012f571a658bc0add28dd987a57b6

Download Submit
C:\Users\Admin\Desktop\UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR N1XT.txt

Filesize
396B

MD5
9037ebf0a18a1c17537832bc73739109

SHA1
1d951dedfa4c172a1aa1aae096cfb576c1fb1d60

SHA256
38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48

SHA512
4fb5c06089524c6dcd48b6d165cedb488e9efe2d27613289ef8834dbb6c010632d2bd5e3ac75f83b1d8024477ebdf05b9e0809602bbe1780528947c36e4de32f

Download Submit
memory/2136-27-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2136-30-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2136-17-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-16-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2136-32-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download
memory/2136-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2136-31-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2136-15-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2136-29-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2136-28-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2136-26-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

Filesize
40KB

Download
memory/2136-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-1-0x00000000012D0000-0x000000000197E000-memory.dmp

Filesize
6.7MB

Download
memory/2136-840-0x0000000000E80000-0x0000000000E85000-memory.dmp

Filesize
20KB

Download
memory/2136-839-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download
memory/2136-838-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads