6143d920ebdd5e9b1db7425916417c0896139f425493a8fcd63d62dac80779f1

General

Target

6143d920ebdd5e9b1db7425916417c0896139f425493a8fcd63d62dac80779f1.bin.dll
Size

66KB
MD5

cac54670bc5a9fa936487640a718c269
SHA1

20f802801a424e2a57ff21e048734fe21f0c57c0
SHA256

6143d920ebdd5e9b1db7425916417c0896139f425493a8fcd63d62dac80779f1
SHA512

deb19457c7dbc5e865a919936dd9178f80722835fbce4d9f105ce5e6bb4afd8a56dc7b4bb6d3e4b902f88e5321d98ac4daeaa2027e88a3cc4c69d7566fdf1ffe

Score

8^/10

ransomware

Malware Config

Signatures

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

rundll32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\PublishEdit.crw => \??\c:\Users\Admin\Pictures\PublishEdit.crw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ResizeDismount.raw => \??\c:\Users\Admin\Pictures\ResizeDismount.raw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\UnprotectRestore.raw => \??\c:\Users\Admin\Pictures\UnprotectRestore.raw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ConfirmBlock.raw => \??\c:\Users\Admin\Pictures\ConfirmBlock.raw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ConvertFromAssert.raw => \??\c:\Users\Admin\Pictures\ConvertFromAssert.raw.quantum	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\ConvertSkip.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\EnableImport.raw => \??\c:\Users\Admin\Pictures\EnableImport.raw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\UninstallClear.png => \??\c:\Users\Admin\Pictures\UninstallClear.png.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ConvertSkip.tiff => \??\c:\Users\Admin\Pictures\ConvertSkip.tiff.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\GrantFormat.png => \??\c:\Users\Admin\Pictures\GrantFormat.png.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\MoveAdd.crw => \??\c:\Users\Admin\Pictures\MoveAdd.crw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\UninstallCheckpoint.raw => \??\c:\Users\Admin\Pictures\UninstallCheckpoint.raw.quantum	rundll32.exe

Drops desktop.ini file(s) 24 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\Users\Admin\Documents\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Links\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\Camera Roll\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Downloads\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Libraries\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Downloads\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Favorites\Links\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\Saved Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Documents\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Contacts\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Saved Games\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Searches\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Favorites\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\OneDrive\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\AccountPictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\desktop.ini	rundll32.exe

Drops file in Program Files directory 2 IoCs

Processes:

rundll32.exe

description	ioc	process
File created	\??\c:\Program Files\README_TO_DECRYPT.html	rundll32.exe
File created	\??\c:\Program Files (x86)\README_TO_DECRYPT.html	rundll32.exe

Modifies registry class 5 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\.quantum	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\.quantum\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\.quantum\shell\Open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\.quantum\shell\Open\command\ = "explorer.exe README_TO_DECRYPT.html"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\.quantum\shell\Open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2672 rundll32.exe
2672 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exe

description pid process

Token: SeRestorePrivilege 2672 rundll32.exe
Token: SeDebugPrivilege 2672 rundll32.exe

pid	process
2672	rundll32.exe
2672	rundll32.exe

description	pid	process
Token: SeRestorePrivilege	2672	rundll32.exe
Token: SeDebugPrivilege	2672	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

rundll32.execmd.exe

description	pid	process	target process
PID 2672 wrote to memory of 1328	2672	rundll32.exe	cmd.exe
PID 2672 wrote to memory of 1328	2672	rundll32.exe	cmd.exe
PID 1328 wrote to memory of 780	1328	cmd.exe	attrib.exe
PID 1328 wrote to memory of 780	1328	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

780 attrib.exe

pid	process
780	attrib.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6143d920ebdd5e9b1db7425916417c0896139f425493a8fcd63d62dac80779f1.bin.dll,#1
1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0F75F79F.bat" "C:\Users\Admin\AppData\Local\Temp\6143d920ebdd5e9b1db7425916417c0896139f425493a8fcd63d62dac80779f1.bin.dll""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\system32\attrib.exe
    attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\6143d920ebdd5e9b1db7425916417c0896139f425493a8fcd63d62dac80779f1.bin.dll"
    3⤵
    - Views/modifies file attributes
    PID:780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0F75F79F.bat

MD5
348cae913e496198548854f5ff2f6d1e

SHA1
a07655b9020205bd47084afd62a8bb22b48c0cdc

SHA256
c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

SHA512
799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

Download Submit
memory/780-117-0x0000000000000000-mapping.dmp

Download
memory/1328-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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