017f8f567c832fd27248bd2d812795adb0a6d1f92a2e91fa08b9eaaf33676c08

General

Target

CAD.exe
Size

261KB
MD5

1c249309871bae43fe787df7976df355
SHA1

12da8b967fd7a4a64f3836372430c5862ee24528
SHA256

8a1d46b80f61c17f62139c1b46be9208e09055e821d8bed59532089fa5b21b48
SHA512

8127487529543ff3d5240bc4ea7fc3c6dd8f802ea522267c3b73224dfc13bbcac311c521c636f5874306d9694e19d1e71a1b4d25b2ac1c57d1a82d095ce47d73

Score

10^/10

ransomware spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
cadransomware@gmail.com
Password:
AAss2288

Signatures

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

CAD.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ConnectResolve.tiff => C:\Users\Admin\Pictures\ConnectResolve.tiff.partially.fucked	CAD.exe
File renamed	C:\Users\Admin\Pictures\LockMerge.crw => C:\Users\Admin\Pictures\LockMerge.crw.partially.fucked	CAD.exe
File renamed	C:\Users\Admin\Pictures\RepairConvertFrom.crw => C:\Users\Admin\Pictures\RepairConvertFrom.crw.partially.fucked	CAD.exe
File opened for modification	C:\Users\Admin\Pictures\ConnectResolve.tiff	CAD.exe

Drops startup file 1 IoCs

Processes:

CAD.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini CAD.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	CAD.exe

Drops desktop.ini file(s) 34 IoCs

Processes:

CAD.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\3D Objects\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	CAD.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	CAD.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CAD.exe

description pid process

Token: SeDebugPrivilege 1488 CAD.exe

description	pid	process
Token: SeDebugPrivilege	1488	CAD.exe

C:\Users\Admin\AppData\Local\Temp\CAD.exe
"C:\Users\Admin\AppData\Local\Temp\CAD.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Drops desktop.ini file(s)
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\CAD Recovery Information.txt
1⤵
PID:448

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\CAD Recovery Information.txt
MD5
e7c28e706b566263442f9ee1720d97a1

SHA1
1af9ea1a4bd58ed200b1908e6273c5d058bc8dfd

SHA256
804b96e24ce539fdc7a1929442a7d543a82741750352ae0087cef2ab53cc6343

SHA512
1857373bf55d5e5512b664bb1c49bcb8d22855891532a23232db4e64a3cd701e970beeda6650e9a90e401b893eb56ef28514811658ddd11cbebabbd0a5c7c979

Download Submit
memory/1488-130-0x0000018BA9220000-0x0000018BA9266000-memory.dmp

Filesize
280KB

Download
memory/1488-131-0x00007FFC2C5F0000-0x00007FFC2D0B1000-memory.dmp

Filesize
10.8MB

Download
memory/1488-132-0x0000018BAB260000-0x0000018BC3260000-memory.dmp

Filesize
384.0MB

Download

Analysis

Sharing