quantum | 0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2

General

Target

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
Size

75KB
MD5

78f011f6196ab070e05e7e363a0c02f1
SHA1

8d31d3e523d1e11631d05f01c410340cef780bfc
SHA256

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2
SHA512

a4122de0328bd4f42ccb47b70eb444eac0b63e3f736223dbfca9e43169ee28c542f768ef7a35daf3f50def72a07c579a01241fd162fb0a00d184a270c7617706
SSDEEP

768:FbzkUtPX9DUetap1YOc8tmmSuDsCHJexou+nPp18vjILhussGdamRv5qmppQHUd:SaX1LGfDpRRuI0PuvtOuSG4z

Score

10^/10

quantum ransomware

Malware Config

Extracted

Path

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

Family

quantum

Ransom Note

<html> <head> <title>Quantum</title> </head> <body> <h1>Your ID:</h1> <pre> e9853c6aaf36c4ece1ec550a7ddbbe3327ce995a70f98e7ab9df1248ebdf4453 </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://22rnyep2aa2exx3fdm26p4onwjfmhciodb55v5l3w4iny7e5bxpg3yad.onion/?cid=e9853c6aaf36c4ece1ec550a7ddbbe3327ce995a70f98e7ab9df1248ebdf4453">http://22rnyep2aa2exx3fdm26p4onwjfmhciodb55v5l3w4iny7e5bxpg3yad.onion/?cid=e9853c6aaf36c4ece1ec550a7ddbbe3327ce995a70f98e7ab9df1248ebdf4453</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

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\BlockSubmit.png => \??\c:\Users\Admin\Pictures\BlockSubmit.png.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File renamed	C:\Users\Admin\Pictures\DenyDisable.png => \??\c:\Users\Admin\Pictures\DenyDisable.png.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File renamed	C:\Users\Admin\Pictures\PingImport.raw => \??\c:\Users\Admin\Pictures\PingImport.raw.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Pictures\SaveOut.tiff	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File renamed	C:\Users\Admin\Pictures\SaveOut.tiff => \??\c:\Users\Admin\Pictures\SaveOut.tiff.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File renamed	C:\Users\Admin\Pictures\TraceProtect.png => \??\c:\Users\Admin\Pictures\TraceProtect.png.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File renamed	C:\Users\Admin\Pictures\WaitLock.crw => \??\c:\Users\Admin\Pictures\WaitLock.crw.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File renamed	C:\Users\Admin\Pictures\ApproveGroup.crw => \??\c:\Users\Admin\Pictures\ApproveGroup.crw.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
1396	cmd.exe

Drops desktop.ini file(s) 26 IoCs

Processes:

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

description	ioc	Process
File opened for modification	\??\c:\Users\Public\Pictures\Sample Pictures\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Downloads\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Favorites\Links\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Saved Games\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Videos\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Downloads\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Libraries\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Pictures\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Recorded TV\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Music\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Desktop\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Favorites\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Links\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Searches\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Documents\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Music\Sample Music\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Contacts\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Desktop\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Documents\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Favorites\Links for United States\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Admin\Pictures\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Music\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Recorded TV\Sample Media\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Videos\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
File opened for modification	\??\c:\Users\Public\Videos\Sample Videos\desktop.ini	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

Modifies registry class 5 IoCs

Processes:

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.quantum\shell\Open\command	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.quantum	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.quantum\shell	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.quantum\shell\Open	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.quantum\shell\Open\command\ = "explorer.exe README_TO_DECRYPT.html"	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

pid	Process
1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

description	pid	Process
Token: SeRestorePrivilege	1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
Token: SeDebugPrivilege	1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.execmd.exe

description	pid	Process	procid_target
PID 1528 wrote to memory of 1396	1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe	29
PID 1528 wrote to memory of 1396	1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe	29
PID 1528 wrote to memory of 1396	1528	0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe	29
PID 1396 wrote to memory of 1612	1396	cmd.exe	31
PID 1396 wrote to memory of 1612	1396	cmd.exe	31
PID 1396 wrote to memory of 1612	1396	cmd.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Processes:

attrib.exe

pid	Process
1612	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe
"C:\Users\Admin\AppData\Local\Temp\0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe"
1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\\006C3802.bat" "C:\Users\Admin\AppData\Local\Temp\0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\system32\attrib.exe
    attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\0f3bb820adf6d3bba54988ef40d8188ae48b34b757277e86728bdb8441d01ea2.exe"
    3⤵
    - Views/modifies file attributes
    PID:1612

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\006C3802.bat

Filesize
65B

MD5
348cae913e496198548854f5ff2f6d1e

SHA1
a07655b9020205bd47084afd62a8bb22b48c0cdc

SHA256
c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

SHA512
799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

Download Submit
C:\Users\Admin\AppData\Local\Temp\006C3802.bat

Filesize
65B

MD5
348cae913e496198548854f5ff2f6d1e

SHA1
a07655b9020205bd47084afd62a8bb22b48c0cdc

SHA256
c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

SHA512
799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

Download Submit
C:\Users\Admin\Desktop\README_TO_DECRYPT.html

Filesize
2KB

MD5
71998acc8f03ff3b5b8cbe995403dc95

SHA1
e2374a082835039f73b6a98bfd0f7c6c969b64d0

SHA256
044a1fccf9a01c5e6aa8fa972599976ba044568b0ff5d16034386bde44d91f6d

SHA512
fe87771a900defac24023e70078e85935f0d13d7e8e01b687c11b38fde9158a3909ff34a00fd886b4f22c706a2a1350ca439180c44bb518593a09e47db4213c0

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads