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Analysis
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max time kernel
147s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
24/05/2024, 03:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe
Resource
win7-20240508-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe
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Size
76KB
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MD5
6bea1207da20349ef8761a9434096979
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SHA1
05dc39c060a37cd8fb150345af10c917f5165c44
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SHA256
ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c
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SHA512
e75a12824ad30de597c67725c840530b3e491a3385d5cfada36d9e173c73f9b694c94d607db0621030c005ee26fb98e329366892cd7bd0194175ca6e4c68799a
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SSDEEP
768:sembNRqsuhlGOBrhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+XkF:mnqdu3abBGy3G8V0iuoN
Score
10/10
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" dsap.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dsap.exe -
Executes dropped EXE 1 IoCs
pid Process 2188 dsap.exe -
Loads dropped DLL 2 IoCs
pid Process 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe -
Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm" dsap.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Y: dsap.exe File opened (read-only) \??\G: dsap.exe File opened (read-only) \??\I: dsap.exe File opened (read-only) \??\L: dsap.exe File opened (read-only) \??\M: dsap.exe File opened (read-only) \??\W: dsap.exe File opened (read-only) \??\H: dsap.exe File opened (read-only) \??\P: dsap.exe File opened (read-only) \??\Q: dsap.exe File opened (read-only) \??\X: dsap.exe File opened (read-only) \??\B: dsap.exe File opened (read-only) \??\J: dsap.exe File opened (read-only) \??\O: dsap.exe File opened (read-only) \??\U: dsap.exe File opened (read-only) \??\V: dsap.exe File opened (read-only) \??\T: dsap.exe File opened (read-only) \??\Z: dsap.exe File opened (read-only) \??\E: dsap.exe File opened (read-only) \??\K: dsap.exe File opened (read-only) \??\N: dsap.exe File opened (read-only) \??\R: dsap.exe File opened (read-only) \??\S: dsap.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\Desktop.sysm dsap.exe File created \??\c:\windows\SysWOW64\CommandPrompt.Sysm dsap.exe File created \??\c:\windows\SysWOW64\maxtrox.txt ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe File created \??\c:\windows\SysWOW64\Windows 3D.scr ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe File opened for modification \??\c:\windows\SysWOW64\maxtrox.txt dsap.exe File opened for modification \??\c:\windows\SysWOW64\Windows 3D.scr dsap.exe -
Drops file in Program Files directory 34 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Windows Defender\MpCmdRun.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Mail\wab.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Mail\wabmig.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpconfig.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmplayer.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\plugin-container.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\updater.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnetwk.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpnscfg.exe dsap.exe File opened for modification \??\c:\Program Files\7-Zip\7z.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\private_browsing.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpenc.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\WMPDMC.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Sidebar\sidebar.exe dsap.exe File opened for modification \??\c:\Program Files\7-Zip\7zFM.exe dsap.exe File opened for modification \??\c:\Program Files\7-Zip\Uninstall.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmpshare.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmlaunch.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\WMPSideShowGadget.exe dsap.exe File opened for modification \??\c:\Program Files\Internet Explorer\iediagcmd.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\firefox.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe dsap.exe File opened for modification \??\c:\Program Files\Internet Explorer\iexplore.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\crashreporter.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe dsap.exe File opened for modification \??\c:\Program Files\7-Zip\7zG.exe dsap.exe File opened for modification \??\c:\Program Files\Internet Explorer\ieinstal.exe dsap.exe File opened for modification \??\c:\Program Files\Internet Explorer\ielowutil.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Media Player\wmprph.exe dsap.exe File opened for modification \??\c:\Program Files\Mozilla Firefox\pingsender.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Defender\MSASCui.exe dsap.exe File opened for modification \??\c:\Program Files\Windows Journal\PDIALOG.exe dsap.exe -
Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command dsap.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt dsap.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command dsap.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe" dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe" dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" dsap.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon dsap.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt dsap.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct" dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt dsap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1" dsap.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe 2188 dsap.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2116 wrote to memory of 2188 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe 28 PID 2116 wrote to memory of 2188 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe 28 PID 2116 wrote to memory of 2188 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe 28 PID 2116 wrote to memory of 2188 2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe"C:\Users\Admin\AppData\Local\Temp\ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116 -
\??\c:\Documents and Settings\Admin\Application Data\Microsoft\dsap.exe"c:\Documents and Settings\Admin\Application Data\Microsoft\dsap.exe" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c2⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2188
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
76KB
MD57f00dc0c70fd6220e07fec56365f4872
SHA11e87d6b4fbb3b5dfe994495e7f39e85833f0ee7d
SHA256ae58a2ad5404e7bf6bd55777726e848d7d7bca5144cbbeaba3b0b852c0a8434c
SHA5126d6541aed285a62972c011feb57d8884acb5be655dc0490584703ee9635a939265824e281829c5a876c19d8e00a6ce24d44808a78286b8919deb6ee64c603d4f
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Filesize
76KB
MD585340d5048a8398cc43ea068174824c7
SHA1da2fc9f0abcafa18ec183d156aa94f1733455396
SHA2563ad3638aabc5bd9e3d003936701b6cf32091944afc12e7f6160a2735957a50f2
SHA512f9f7a20882a8507433875e930da4a3a98c00757155acf1d17ec0e628fbb444482102a946cce7ec1662c7107caf4728f0a902626e8a2ed394820a68ccb75af82e
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Filesize
8B
MD524865ca220aa1936cbac0a57685217c5
SHA137f687cafe79e91eae6cbdffbf2f7ad3975f5e83
SHA256841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743
SHA512c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062