dogecrypt | bbc71c57a9b781e7c2a6472e86f25fb088c916879cebfcc4d08bef9e7e04555a

General

Target

DogeCrypt.exe
Size

336KB
MD5

016dd707baf9509b8a83234dded5712c
SHA1

310f48e03fc9d6d098eff496a9b4de0ff29c9c39
SHA256

bbc71c57a9b781e7c2a6472e86f25fb088c916879cebfcc4d08bef9e7e04555a
SHA512

afe9548b59cfe2d879aad107a238da85ab1dd514b9c92dc6ff51dd0654dfa08890645104591d0bab280ba3d6efc50e608cc0d57bd7c56dae0d2af745eaa907e4

Score

10^/10

ransomware dogecrypt

Malware Config

Extracted

Path

C:\Users\Public\Desktop\note.txt

Family

dogecrypt

Ransom Note

WARNING! Your files were encrypted by DogeCrypt. The files are not damaged or destroyed! They're only modified If you want to reverse the modification conatact us: [email protected] or [email protected]

Emails

[email protected]

Signatures

DogeCrypt Ransomware
Family first seen in September 2020, based on the older desuCrypt/InsaneCrypt.
ransomware dogecrypt

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

DogeCrypt.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\StepRead.tiff	DogeCrypt.exe
File opened for modification	C:\Users\Admin\Pictures\UndoUnprotect.tiff	DogeCrypt.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

DogeCrypt.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Control Panel\Desktop\Wallpaper = "C:\\DOGECRYPTinfo.jpg"	DogeCrypt.exe

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1480 NOTEPAD.EXE

pid	process
1480	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1320 wrote to memory of 1480	1320	rundll32.exe	NOTEPAD.EXE
PID 1320 wrote to memory of 1480	1320	rundll32.exe	NOTEPAD.EXE
PID 1320 wrote to memory of 1480	1320	rundll32.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\DogeCrypt.exe
"C:\Users\Admin\AppData\Local\Temp\DogeCrypt.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
PID:1492

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2032

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\desucryptKeyContainer.info
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\desucryptKeyContainer.info
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/1032-1-0x000007FEF6AE0000-0x000007FEF6D5A000-memory.dmp

Filesize
2.5MB

Download
memory/1480-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads