quantum | faf49653a0f057ed09a75c4dfc01e4d8e6fef203d0102a5947a73db80be0db1d

General

Target

faf49653a0f057ed09a75c4dfc01e4d8e6fef203d0102a5947a73db80be0db1d.dll
Size

237KB
MD5

1ac3f71feece118a03c9e23af063f6d1
SHA1

bbc3979075e0574e54a5ead497fcba95fcc78fc0
SHA256

faf49653a0f057ed09a75c4dfc01e4d8e6fef203d0102a5947a73db80be0db1d
SHA512

5e75afffb1212057a9431818b54c9d08e4714b316593fd1eb4fe4abf49e85c7ca617d3b8206d97f42278060aee95c1e797df1848f178bded21c52773a5fd65c3
SSDEEP

3072:xpZMSVmCw3tF6iql+IKDQau58yJ5WIxFGddWMf+fmf7eATjiMRnIle8E:hnm78iqIIRauayJ8rhVT9nIle

Score

10^/10

quantum ransomware

Malware Config

Extracted

Path

C:\Users\Admin\Contacts\README_TO_DECRYPT.html

Family

quantum

Ransom Note

<html> <head> <title>Quantum</title> </head> <body> <h1>Your ID:</h1> <pre> ac76ebfba8f313e3035387cd174939e02b8fa962d9bc128501799fd203769b3e </pre> <hr/> This message contains an information how to fix the troubles you've got with your network. Files on the workstations in your network were encrypted and any your attempt to change, decrypt or rename them could destroy the content. The only way to get files back is a decryption with Key, provided by the Quantum Locker. During the period your network was under our control, we downloaded a huge volume of information. Now it is stored on our servers with high-secure access. This information contains a lot of sensitive, private and personal data. Publishing of such data will cause serious consequences and even business disruption. It's not a threat, on the contrary - it's a manual how to get a way out. Quantum team doesn't aim to damage your company, our goals are only financial. After a payment you'll get network decryption, full destruction of downloaded data, information about your network vulnerabilities and penetration points. If you decide not to negotiate, in 48 hours the fact of the attack and all your information will be posted on our site and will be promoted among dozens of cyber forums, news agencies, websites etc. To contact our support and start the negotiations, please visit our support chat. It is simple, secure and you can set a password to avoid intervention of unauthorised persons. <a href="http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=ac76ebfba8f313e3035387cd174939e02b8fa962d9bc128501799fd203769b3e">http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=ac76ebfba8f313e3035387cd174939e02b8fa962d9bc128501799fd203769b3e</a> <ul> <li>Password field should be blank for the first login. <li>Note that this server is available via Tor browser only. </ul> P.S. How to get TOR browser - see at https://www.torproject.org </body> </html>

Signatures

Quantum Ransomware
A rebrand of the MountLocker ransomware first seen in August 2021.
ransomware quantum

Drops desktop.ini file(s) 25 IoCs

Processes:

rundll32.exe

description	ioc	process
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\Admin\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Contacts\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
File opened for modification	\??\c:\Users\Admin\3D Objects\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Documents\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Downloads\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\Camera Roll\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Searches\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Downloads\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\Favorites\Links\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Documents\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Libraries\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\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\Saved Games\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Desktop\desktop.ini	rundll32.exe

Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

File opened (read-only) \??\f: rundll32.exe

description	ioc	process
File opened (read-only)	\??\f:	rundll32.exe

Modifies registry class 5 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\.quantum\shell\Open\command\ = "explorer.exe README_TO_DECRYPT.html"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\.quantum\shell\Open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\.quantum	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\.quantum\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\.quantum\shell\Open	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3792 rundll32.exe
3792 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exe

description pid process

Token: SeRestorePrivilege 3792 rundll32.exe
Token: SeDebugPrivilege 3792 rundll32.exe

pid	process
3792	rundll32.exe
3792	rundll32.exe

description	pid	process
Token: SeRestorePrivilege	3792	rundll32.exe
Token: SeDebugPrivilege	3792	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

rundll32.execmd.exe

description	pid	process	target process
PID 3792 wrote to memory of 4012	3792	rundll32.exe	cmd.exe
PID 3792 wrote to memory of 4012	3792	rundll32.exe	cmd.exe
PID 4012 wrote to memory of 2276	4012	cmd.exe	attrib.exe
PID 4012 wrote to memory of 2276	4012	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2276 attrib.exe

pid	process
2276	attrib.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\faf49653a0f057ed09a75c4dfc01e4d8e6fef203d0102a5947a73db80be0db1d.dll,#1
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3792

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0E579C01.bat" """
2⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\system32\attrib.exe
attrib -s -r -h ""
3⤵
- Views/modifies file attributes
PID:2276

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\.log
Filesize
58KB

MD5
c8df92496fa02dc0d42827ee26010f71

SHA1
34c766ae6f2338751415131d1a5b0eab76f9c875

SHA256
e45086bbe8d547830a6cf9862f66a876d04a6574cae9b237f4958ae085241964

SHA512
99bf02eda9d7d429d5d3376383a4f8735ef18afb49bab47238e295a34f85ff2c3ee52c2309f0ba70c10b44235c2e5af72d65484fed8c822492997e7422895b85

Download Submit
C:\Users\Admin\AppData\Local\Temp\0E579C01.bat
Filesize
65B

MD5
348cae913e496198548854f5ff2f6d1e

SHA1
a07655b9020205bd47084afd62a8bb22b48c0cdc

SHA256
c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

SHA512
799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

Download Submit
C:\Users\Admin\Contacts\README_TO_DECRYPT.html
Filesize
2KB

MD5
8e3ab5ca404a30f215af3d80c4bab347

SHA1
b56eaadcd4e51234e620d13787ec907ef078fed8

SHA256
85764cdf6401897604ec86de5b789176405534f58e179ab1482d77cf9ead3f65

SHA512
2f8bdbd7514c152ba0e1eb8472e55f49ac42e0b92590487291feaebe7c44d9104a5ed0bec895d06b2db375226f7ebb51b8cc5750c4ea89ad632d547083a187c1

Download Submit
memory/3792-61-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-45-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-60-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-0-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-52-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-6-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-216-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-219-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-3-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download
memory/3792-1-0x00007FF49A9B0000-0x00007FF49A9C8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads