55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e

General

Target

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Size

82KB
MD5

5ab7f71f7058574d4cef120d5c58b507
SHA1

75ee4c5593ac84fa9dd68ec1b399354ad2da9b80
SHA256

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e
SHA512

ef5f4d6020492dd1cb38986ac21242c618eb2f8e6dc338992dde92e63dfa8b39bb718515683a4c7b172910dbd994edebd442e2516bd33512b7ba1bc5f4757444
SSDEEP

1536:snqcu3abBGy3G8V0iuoWiT6TT6XytEXz+ob:sqAMPsWiT6TTJ2T

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:

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exescnw.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	scnw.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exescnw.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	scnw.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exescnw.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	scnw.exe

Executes dropped EXE 1 IoCs

Processes:

scnw.exe

pid process

384 scnw.exe

pid	process
384	scnw.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

scnw.exe

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

scnw.exe

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

Drops file in System32 directory 6 IoCs

Processes:

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exescnw.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\maxtrox.txt	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	scnw.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	scnw.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	scnw.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	scnw.exe

Drops file in Program Files directory 27 IoCs

Processes:

scnw.exe

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

Modifies registry class 36 IoCs

Processes:

scnw.exe55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	scnw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	scnw.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	scnw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exescnw.exe

pid process

3228 55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
384 scnw.exe

pid	process
3228	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
384	scnw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe

description	pid	process	target process
PID 3228 wrote to memory of 384	3228	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe	scnw.exe
PID 3228 wrote to memory of 384	3228	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe	scnw.exe
PID 3228 wrote to memory of 384	3228	55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe	scnw.exe

C:\Users\Admin\AppData\Local\Temp\55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.exe
"C:\Users\Admin\AppData\Local\Temp\55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e.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:3228
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\scnw.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\scnw.exe" 55c1b1eb76af23965a6ef4aba496186d521987458cef9f557e157503183cc56e
  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:384

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\scnw.exe

Filesize
82KB

MD5
452a179d20eb2171badc8035207f102d

SHA1
d9b47e43d6040172462808cceb036d93305dcc65

SHA256
b2dbdc3caf5ccf9e9af4335a7f47339f124553db91c48b2bb7905fa3bf8a11ac

SHA512
472f455ae49491fae583a0b2abe3055a92370f8597c9b1f554530292098605deab6d16e272a4a7fb2f674af7c5f5cc64853e491b5f108b7dfa44bfa3748e646c

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

Filesize
82KB

MD5
452a179d20eb2171badc8035207f102d

SHA1
d9b47e43d6040172462808cceb036d93305dcc65

SHA256
b2dbdc3caf5ccf9e9af4335a7f47339f124553db91c48b2bb7905fa3bf8a11ac

SHA512
472f455ae49491fae583a0b2abe3055a92370f8597c9b1f554530292098605deab6d16e272a4a7fb2f674af7c5f5cc64853e491b5f108b7dfa44bfa3748e646c

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

Filesize
82KB

MD5
e92acb1cf29feaffb2f9c057307ebc00

SHA1
058c5a67f62a7e0df9b0e64008740bb9908a4780

SHA256
113959efe3b81886e3a8b3d967754dea61764d0a20307322a51e14b4bf22c425

SHA512
3551e5eeb3405777d28a73de79a0f6d87223349dd33b2c4cda5c8ee8a3f19a4f13d91c1a3a41357095bcdef4b1e1c785c055dbfbcdb06349acb2a81256b056f9

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

Filesize
8B

MD5
24865ca220aa1936cbac0a57685217c5

SHA1
37f687cafe79e91eae6cbdffbf2f7ad3975f5e83

SHA256
841e95fa333ed89085bfbab19bb658d96ed0c837d25721411233fa55c860c743

SHA512
c8d3f514c72f48fed5de9582c4252cf5466a9d32866d8df3631ba9274ed734bb95139e4909e8116a10947fc1afa1dbeb33809da6ec050e6e4eb83d5241aeb062

Download Submit
memory/384-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads