quantum | fd7ca7af9b2b6c5ffdb3206d647301de8bea33a69679e117be30e9a601c5dea2

General

Target

fd7ca7af9b2b6c5ffdb3206d647301de8bea33a69679e117be30e9a601c5dea2.dll
Size

1.5MB
MD5

8ab1d468e5aee87a0a6011958751f077
SHA1

a54c911341a6b98541699da4516d563c737d96a1
SHA256

fd7ca7af9b2b6c5ffdb3206d647301de8bea33a69679e117be30e9a601c5dea2
SHA512

d8dd46f94163dfa4e1b29ef4c5df81c1a1f4eaba40714e90987dc547ff1e8831accf0897ad7643ece5924a018d60a5d65ad4f33b32c0079d24772baf6c327d83
SSDEEP

24576:rFcel074vHDSYJeyyppTEgQn65IfsTXz:ZRly4fDSYJeyy7TEHc

Score

10^/10

quantum ransomware spyware stealer

Malware Config

Extracted

Path

C:\Recovery\WindowsRE\README_TO_DECRYPT.html

Family

quantum

Ransom Note

<html> <head> <title>Quantum</title> </head> <body> <h1>Your ID:</h1> <pre> ba1cdb058d772a0c20f396a1de8c483f3293ad0eea531dd09a3e75ac9e3f6f73 </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://obqregdsd7dmilzf3aqvegn3sofpufsvb2n3m2dvwfhsgthemvyi44qd.onion/?cid=ba1cdb058d772a0c20f396a1de8c483f3293ad0eea531dd09a3e75ac9e3f6f73">http://obqregdsd7dmilzf3aqvegn3sofpufsvb2n3m2dvwfhsgthemvyi44qd.onion/?cid=ba1cdb058d772a0c20f396a1de8c483f3293ad0eea531dd09a3e75ac9e3f6f73</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
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
T1552.001

Drops desktop.ini file(s) 25 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\Public\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Downloads\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Searches\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Documents\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\Public\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Libraries\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\3D Objects\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Favorites\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\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\AccountPictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Links\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\OneDrive\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\Admin\Contacts\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Videos\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

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-1-5-21-1904519900-954640453-4250331663-1000_Classes\.quantum\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\.quantum\shell\Open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\.quantum\shell\Open\command\ = "explorer.exe README_TO_DECRYPT.html"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\.quantum\shell\Open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\.quantum	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3176 rundll32.exe
3176 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exe

description pid process

Token: SeRestorePrivilege 3176 rundll32.exe
Token: SeDebugPrivilege 3176 rundll32.exe

pid	process
3176	rundll32.exe
3176	rundll32.exe

description	pid	process
Token: SeRestorePrivilege	3176	rundll32.exe
Token: SeDebugPrivilege	3176	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

rundll32.execmd.exe

description	pid	process	target process
PID 3176 wrote to memory of 4600	3176	rundll32.exe	cmd.exe
PID 3176 wrote to memory of 4600	3176	rundll32.exe	cmd.exe
PID 4600 wrote to memory of 2784	4600	cmd.exe	attrib.exe
PID 4600 wrote to memory of 2784	4600	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2784 attrib.exe

pid	process
2784	attrib.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd7ca7af9b2b6c5ffdb3206d647301de8bea33a69679e117be30e9a601c5dea2.dll,#1
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\0E587C4F.bat" """
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4600
- - C:\Windows\system32\attrib.exe
    attrib -s -r -h ""
    3⤵
    - Views/modifies file attributes
    PID:2784

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2796 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:8
1⤵
PID:3276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Recovery\WindowsRE\README_TO_DECRYPT.html

Filesize
2KB

MD5
ee02571ac1de418bd5b692b348dacfad

SHA1
9533efbc0cb7f77e1250da9e2d497c728c9c0ff1

SHA256
6e2c184f6d35a30803beac896191b2c77be9e56dab52c4d993ace752d15531e2

SHA512
1f98214e9bc8044b07d91f5b0348a5b7e123fb0d60907b50ef4ff59a8297d68479a55e6de316fc8f35c89f36546084fbb28d8840e65c0a3032cb68a6c2e6690f

Download Submit
C:\Users\Admin\AppData\Local\Temp\.log

Filesize
471KB

MD5
a8253125b89bb39d67a2f0926c176eca

SHA1
9b618b3355b03a0dbd7f2008505b1434969b1392

SHA256
bd9ee58f751e7bf2eef1b10df8a9fc2574d0deffd7d4291efa9094dffbc5b361

SHA512
49e61f4036f4cb6b5e8f1c746a3f254a8f23dbfb36267f42b66d07e6340a43fe263d3f9c91415da2c2da41d7ef2e42bd0fe1c72f987c010aa357d936216cfe2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\0E587C4F.bat

Filesize
65B

MD5
348cae913e496198548854f5ff2f6d1e

SHA1
a07655b9020205bd47084afd62a8bb22b48c0cdc

SHA256
c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

SHA512
799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

Download Submit
memory/3176-2-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-769-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-43-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-41-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-44-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-4-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-12-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-0-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-774-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-831-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-1380-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-1388-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-6-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download
memory/3176-1-0x000001B49FC60000-0x000001B49FC78000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads