ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c

General

Target

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe
Size

76KB
MD5

6bea1207da20349ef8761a9434096979
SHA1

05dc39c060a37cd8fb150345af10c917f5165c44
SHA256

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c
SHA512

e75a12824ad30de597c67725c840530b3e491a3385d5cfada36d9e173c73f9b694c94d607db0621030c005ee26fb98e329366892cd7bd0194175ca6e4c68799a
SSDEEP

768:sembNRqsuhlGOBrhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+XkF:mnqdu3abBGy3G8V0iuoN

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exedsap.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exedsap.exe

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

Processes:

dsap.exe

pid process

2188 dsap.exe

pid	process
2188	dsap.exe

Loads dropped DLL 2 IoCs

Processes:

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe

pid	process
2116	ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe
2116	ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

dsap.execa079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

dsap.exe

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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

dsap.exe

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

Processes:

dsap.execa079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe

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

Processes:

dsap.exe

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

Processes:

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exedsap.exe

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

Processes:

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exedsap.exe

pid process

2116 ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe
2188 dsap.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe

description	pid	process	target process
PID 2116 wrote to memory of 2188	2116	ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe	dsap.exe
PID 2116 wrote to memory of 2188	2116	ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe	dsap.exe
PID 2116 wrote to memory of 2188	2116	ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe	dsap.exe
PID 2116 wrote to memory of 2188	2116	ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c.exe	dsap.exe

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" ca079a30cf36704389fdd75ea7ce59545dfbd9e9c4aa768c91d9e4e6b76d6a5c
2⤵
- 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

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\dsap.exe
Filesize
76KB

MD5
7f00dc0c70fd6220e07fec56365f4872

SHA1
1e87d6b4fbb3b5dfe994495e7f39e85833f0ee7d

SHA256
ae58a2ad5404e7bf6bd55777726e848d7d7bca5144cbbeaba3b0b852c0a8434c

SHA512
6d6541aed285a62972c011feb57d8884acb5be655dc0490584703ee9635a939265824e281829c5a876c19d8e00a6ce24d44808a78286b8919deb6ee64c603d4f

Download Submit
\??\c:\windows\SysWOW64\Windows 3D.scr
Filesize
76KB

MD5
85340d5048a8398cc43ea068174824c7

SHA1
da2fc9f0abcafa18ec183d156aa94f1733455396

SHA256
3ad3638aabc5bd9e3d003936701b6cf32091944afc12e7f6160a2735957a50f2

SHA512
f9f7a20882a8507433875e930da4a3a98c00757155acf1d17ec0e628fbb444482102a946cce7ec1662c7107caf4728f0a902626e8a2ed394820a68ccb75af82e

Download Submit
\??\c:\windows\SysWOW64\maxtrox.txt
Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads