847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179

General

Target

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Size

82KB
MD5

7a9f7f8cfa8a9b003ec8a02c2be2bbf1
SHA1

5b14b06002dd19c1d916dc560936860b8d615830
SHA256

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179
SHA512

a1637d98ef81c89d030dc96e8ca0a7ce5c77a16c9f9e8e4ca5e78166b71ebc2548a8a318af100e2c616466ec679c9271b0eebdaf7eb2862f38f7e0a4869ffde1
SSDEEP

1536:tnqdu3abBGy3G8V0iuokdQX2oooD+AyxAr/:tqhMPskdQXMm/

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

hdsp.exe847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exehdsp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	hdsp.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exehdsp.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hdsp.exe

Executes dropped EXE 1 IoCs

Processes:

hdsp.exe

pid process

548 hdsp.exe

pid	process
548	hdsp.exe

Loads dropped DLL 2 IoCs

Processes:

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe

pid	process
1756	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
1756	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hdsp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm"	hdsp.exe

Enumerates connected drives 3 TTPs 23 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:

hdsp.exe

description	ioc	process
File opened (read-only)	\??\E:	hdsp.exe
File opened (read-only)	\??\O:	hdsp.exe
File opened (read-only)	\??\Q:	hdsp.exe
File opened (read-only)	\??\R:	hdsp.exe
File opened (read-only)	\??\U:	hdsp.exe
File opened (read-only)	\??\W:	hdsp.exe
File opened (read-only)	\??\J:	hdsp.exe
File opened (read-only)	\??\M:	hdsp.exe
File opened (read-only)	\??\N:	hdsp.exe
File opened (read-only)	\??\V:	hdsp.exe
File opened (read-only)	\??\Y:	hdsp.exe
File opened (read-only)	\??\F:	hdsp.exe
File opened (read-only)	\??\H:	hdsp.exe
File opened (read-only)	\??\I:	hdsp.exe
File opened (read-only)	\??\P:	hdsp.exe
File opened (read-only)	\??\T:	hdsp.exe
File opened (read-only)	\??\Z:	hdsp.exe
File opened (read-only)	\??\B:	hdsp.exe
File opened (read-only)	\??\G:	hdsp.exe
File opened (read-only)	\??\K:	hdsp.exe
File opened (read-only)	\??\L:	hdsp.exe
File opened (read-only)	\??\S:	hdsp.exe
File opened (read-only)	\??\X:	hdsp.exe

Drops file in System32 directory 6 IoCs

Processes:

hdsp.exe847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\Desktop.sysm	hdsp.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	hdsp.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	hdsp.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	hdsp.exe

Drops file in Program Files directory 34 IoCs

Processes:

hdsp.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\Windows Media Player\WMPDMC.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Defender\MpCmdRun.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Defender\MSASCui.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ieinstal.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Journal\PDIALOG.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Sidebar\sidebar.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wab.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmlaunch.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmprph.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\WMPSideShowGadget.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpenc.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnscfg.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\crashreporter.exe	hdsp.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	hdsp.exe

Modifies registry class 36 IoCs

Processes:

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exehdsp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	hdsp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	hdsp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	hdsp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exehdsp.exe

pid process

1756 847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
548 hdsp.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe

description	pid	process	target process
PID 1756 wrote to memory of 548	1756	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe	hdsp.exe
PID 1756 wrote to memory of 548	1756	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe	hdsp.exe
PID 1756 wrote to memory of 548	1756	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe	hdsp.exe
PID 1756 wrote to memory of 548	1756	847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe	hdsp.exe

C:\Users\Admin\AppData\Local\Temp\847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe
"C:\Users\Admin\AppData\Local\Temp\847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179.exe"
1⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\hdsp.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\hdsp.exe" 847ffc3e90573d4faf845bb9473ce93960527e6d3086a58ef09441503c195179
2⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- 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:548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\hdsp.exe

Filesize
82KB

MD5
b9812caa00fe49dd92183b81530bc9c5

SHA1
df587f23589a2d78fc9c99c2691747a59210d0e4

SHA256
9fd40ff9fc05375b068ccb0400770147193d52c2c38064c3a41cb42fe9e2adfa

SHA512
fa43434a525c96dd3b9ef920c77133ac9acce8eff2c07b21a746f7506abfd4fd2974172ee399284a1a23eda8294e70045cce0fae1cd112bdb500dd519f641a2d

Download Submit
\??\c:\Documents and Settings\Admin\Application Data\Microsoft\hdsp.exe

Filesize
82KB

MD5
b9812caa00fe49dd92183b81530bc9c5

SHA1
df587f23589a2d78fc9c99c2691747a59210d0e4

SHA256
9fd40ff9fc05375b068ccb0400770147193d52c2c38064c3a41cb42fe9e2adfa

SHA512
fa43434a525c96dd3b9ef920c77133ac9acce8eff2c07b21a746f7506abfd4fd2974172ee399284a1a23eda8294e70045cce0fae1cd112bdb500dd519f641a2d

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\??\c:\windows\SysWOW64\maxtrox.txt

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\hdsp.exe

Filesize
82KB

MD5
b9812caa00fe49dd92183b81530bc9c5

SHA1
df587f23589a2d78fc9c99c2691747a59210d0e4

SHA256
9fd40ff9fc05375b068ccb0400770147193d52c2c38064c3a41cb42fe9e2adfa

SHA512
fa43434a525c96dd3b9ef920c77133ac9acce8eff2c07b21a746f7506abfd4fd2974172ee399284a1a23eda8294e70045cce0fae1cd112bdb500dd519f641a2d

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\hdsp.exe

Filesize
82KB

MD5
b9812caa00fe49dd92183b81530bc9c5

SHA1
df587f23589a2d78fc9c99c2691747a59210d0e4

SHA256
9fd40ff9fc05375b068ccb0400770147193d52c2c38064c3a41cb42fe9e2adfa

SHA512
fa43434a525c96dd3b9ef920c77133ac9acce8eff2c07b21a746f7506abfd4fd2974172ee399284a1a23eda8294e70045cce0fae1cd112bdb500dd519f641a2d

Download Submit
memory/548-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads