Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 16:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe
Resource
win7-20240508-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe
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Size
75KB
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MD5
c53e027bf91d7e8c8da245ccd28279e5
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SHA1
4d1fb9ab277f997a63cd42fd76467715b67579e4
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SHA256
bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e
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SHA512
5444f4b9737639dcf3321ae8d8ecea2e8865de3acae50a054136d741911371b4102b7a7f47a66d15d08c63022cb1afd3c00ee3241bb8be38ccfd8adda53a674a
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SSDEEP
1536:9aX51pVH9hsgNGLs6BLM1frxz/HTfcKKBaJGff:OfJGLs6BwNxnfTKsGff
Score
10/10
Malware Config
Signatures
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Quantum Ransomware
A rebrand of the MountLocker ransomware first seen in August 2021.
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Deletes itself 1 IoCs
pid Process 1692 cmd.exe -
Drops desktop.ini file(s) 26 IoCs
description ioc Process File opened for modification \??\c:\Users\Admin\Videos\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Downloads\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Music\Sample Music\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Videos\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Documents\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Favorites\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Desktop\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Recorded TV\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Recorded TV\Sample Media\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Libraries\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Favorites\Links for United States\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Links\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Music\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Pictures\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Documents\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Videos\Sample Videos\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Saved Games\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Searches\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Downloads\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Music\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Pictures\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Public\Pictures\Sample Pictures\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Contacts\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Desktop\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe File opened for modification \??\c:\Users\Admin\Favorites\Links\desktop.ini bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\f: bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d023fe7ad1cbda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A67F8761-37C4-11EF-9BF1-5630532AF2EE} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000760f6fb6d7365248881a38bcea68cf8b00000000020000000000106600000001000020000000ad7db6755e524bdbc3a1a69d19054ba005740def9e78381aa9a4a429ecf4a761000000000e8000000002000020000000a2ae91bf29794ec83bb09dc38de7a2e5b10c8c30377884146af52bf9939f410b2000000051a975c11654ad60f7c93f3d9071f827e5c4c1de7a393e2267dd7267da56a70540000000dcee28e92edaffc41afd619c82b9864364c8597f03a3e403e935f986e20a3dbb10e853ea1b67d8fae36a3021ac60836a931bb55b659611601d0412ca5a23dd7e iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426012212" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.quantum\shell bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.quantum\shell\Open bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.quantum\shell\Open\command\ = "explorer.exe README_TO_DECRYPT.html" bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.quantum\shell\Open\command bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.quantum bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe Token: SeDebugPrivilege 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2184 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2184 iexplore.exe 2184 iexplore.exe 1780 IEXPLORE.EXE 1780 IEXPLORE.EXE 1780 IEXPLORE.EXE 1780 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 492 wrote to memory of 1692 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe 30 PID 492 wrote to memory of 1692 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe 30 PID 492 wrote to memory of 1692 492 bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe 30 PID 1692 wrote to memory of 1768 1692 cmd.exe 32 PID 1692 wrote to memory of 1768 1692 cmd.exe 32 PID 1692 wrote to memory of 1768 1692 cmd.exe 32 PID 2184 wrote to memory of 1780 2184 iexplore.exe 35 PID 2184 wrote to memory of 1780 2184 iexplore.exe 35 PID 2184 wrote to memory of 1780 2184 iexplore.exe 35 PID 2184 wrote to memory of 1780 2184 iexplore.exe 35 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1768 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe"C:\Users\Admin\AppData\Local\Temp\bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:492 -
C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\\0F762146.bat" "C:\Users\Admin\AppData\Local\Temp\bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe""2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\system32\attrib.exeattrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\bb6ec92275ec00a69b2c6e0532509222093d7026c8766274a69d985bcc1eb65e.exe"3⤵
- Views/modifies file attributes
PID:1768
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\README_TO_DECRYPT.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2184 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
65B
MD5348cae913e496198548854f5ff2f6d1e
SHA1a07655b9020205bd47084afd62a8bb22b48c0cdc
SHA256c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506
SHA512799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611
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Filesize
7KB
MD5df136228be0a9e7fddc938fb15c2a136
SHA10b2e39b4cac2e54eda4b9184e90205ae961e40e1
SHA2566d6b47dbbb2e0faa18a0d71d43d861f8a877541124a46aa5f7c148f296a65cda
SHA512ece691a60e1e73cef9d2de76a93b96f75c6af13e23119bea2b19b9eeeaee07b862b82c5efd220bcf1413e3d86c867635b63951ef474152df5c9304290e6fb76a