aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3

General

Target

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Size

76KB
MD5

99494e108b0f8680b9115477528eb9be
SHA1

78f25898425db8b1c2cd01b8560656988d81a822
SHA256

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3
SHA512

c9029c5750a97376ffff722368629da4ae1572a335067780fadc2df056497486b78b71e89716c80807aaf5c9c16e53073d934c511ee9a84abf8d089f73248e63
SSDEEP

768:Ae8bNRqsuhlGOBnhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xk6:AnqJu3abBGy3G8V0iuoKz

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:

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exendsw.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	ndsw.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exendsw.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	ndsw.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exendsw.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ndsw.exe

Executes dropped EXE 1 IoCs

Processes:

ndsw.exe

pid process

4348 ndsw.exe

pid	process
4348	ndsw.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ndsw.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm"	ndsw.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:

ndsw.exe

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

Drops file in System32 directory 6 IoCs

Processes:

ndsw.exeaa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe

description	ioc	process
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	ndsw.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	ndsw.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	ndsw.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	ndsw.exe

Drops file in Program Files directory 28 IoCs

Processes:

ndsw.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\Mozilla Firefox\crashreporter.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\firefox.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmplayer.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ieinstal.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmprph.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-container.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\pingsender.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\setup_wm.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnscfg.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\minidump-analyzer.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpconfig.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\default-browser-agent.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpnetwk.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\PushEdit.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iediagcmd.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\maintenanceservice.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmpshare.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ielowutil.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\plugin-hang-ui.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Mozilla Firefox\updater.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Mail\wabmig.exe	ndsw.exe
File opened for modification	\??\c:\Program Files\Windows Media Player\wmlaunch.exe	ndsw.exe

Modifies registry class 36 IoCs

Processes:

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exendsw.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	ndsw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	ndsw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exendsw.exe

pid process

4364 aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
4348 ndsw.exe

pid	process
4364	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
4348	ndsw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe

description	pid	process	target process
PID 4364 wrote to memory of 4348	4364	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe	ndsw.exe
PID 4364 wrote to memory of 4348	4364	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe	ndsw.exe
PID 4364 wrote to memory of 4348	4364	aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe	ndsw.exe

C:\Users\Admin\AppData\Local\Temp\aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe
"C:\Users\Admin\AppData\Local\Temp\aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3.exe"
1⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\ndsw.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\ndsw.exe" aa342772b27ea9d5607a484f35721d721514f8f9ac360eb52ad6f14b77b9ead3
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:4348

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\ndsw.exe

Filesize
76KB

MD5
ff8bcaeb6ed20ff29f4462695144c870

SHA1
a3b399c60aced864602838eacfcb1a62611782b4

SHA256
f908bbd0fba5478edf323155894f19c021316bd67f51e8c05cd85ef3e0573aa9

SHA512
fa732e3ce7a92cb7e3cf1a104c6251def16796d0eb81095da1707b464c0a6e712b9240c219f59399484778d0971d81ecf9add57948b92d06db01605ea67f51b7

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

Filesize
76KB

MD5
ff8bcaeb6ed20ff29f4462695144c870

SHA1
a3b399c60aced864602838eacfcb1a62611782b4

SHA256
f908bbd0fba5478edf323155894f19c021316bd67f51e8c05cd85ef3e0573aa9

SHA512
fa732e3ce7a92cb7e3cf1a104c6251def16796d0eb81095da1707b464c0a6e712b9240c219f59399484778d0971d81ecf9add57948b92d06db01605ea67f51b7

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

Filesize
76KB

MD5
d8c0fb40fbb5301b66019ca7f20c179a

SHA1
1e25de73e23172e0295c7c202ed7ac99a54d44d0

SHA256
01ed971ae3e613151cf561d8fff8711ec7a62904d48f9f5a87e67a5c35e22a2c

SHA512
3858b8627ad757896a1e5b514675d527a2df8f370b1d60a120c46ac38a70ded1e271219120fd0b30f81480b951cded3678b7b0054aa4397fd3c3f771c49041d7

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

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
memory/4348-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads