c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 07:35

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General

Target

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Size

76KB
MD5

42f4bc0318ddecc671e3111d1f14ec69
SHA1

a85a276139a6e0b511e4061cdcaa167065cc484c
SHA256

c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c
SHA512

15a1aaf1fe5d6f381497b8c776b6aa98a2109005bcebca5bace011e125712039c9dad191e395c3a05e96adf212ffb9bdbd6b5622a96a3d89529c221e59fb61d3
SSDEEP

768:6e8bNRqsuhlGOBnhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+XkE:unqJu3abBGy3G8V0iuo8

Score

10^/10

discovery 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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	hscg.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	hscg.exe

Executes dropped EXE 1 IoCs

pid	Process
2164	hscg.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	hscg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VisualStyle = "c:\\windows\\system32\\Desktop.sysm"	hscg.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

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

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\maxtrox.txt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	hscg.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	hscg.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	hscg.exe
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	hscg.exe

Drops file in Program Files directory 27 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hscg.exe

Modifies registry class 36 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	hscg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	hscg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	hscg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
720	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
2164	hscg.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 720 wrote to memory of 2164	720	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe	83
PID 720 wrote to memory of 2164	720	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe	83
PID 720 wrote to memory of 2164	720	c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe	83

C:\Users\Admin\AppData\Local\Temp\c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe
"C:\Users\Admin\AppData\Local\Temp\c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Modifies system executable filetype association
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:720
- \??\c:\Documents and Settings\Admin\Application Data\Microsoft\hscg.exe
  "c:\Documents and Settings\Admin\Application Data\Microsoft\hscg.exe" c15c6277ae0d1e23da3153707d25e74c5952e75670061a931ffb188f0c43969c
  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
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
76KB

MD5
e2438cef5dc2f4d644f447ea7a60b0fa

SHA1
28d9c54b0e20b0f5382eeef80c80855a8873ed1b

SHA256
065076b18130afc324a127a17bf8d6cf47431224d56de3bd8607837e3736a63f

SHA512
18a124fc2783baea59315ed41d8450cb515306703e8158a9223b9846e2d7b2b1527d088e3f744029a19bff1fb3c71a55766fefc37bdae5f48a8dad4c5e60495a

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

Filesize
76KB

MD5
1ed8fb83c3d68291d89ee86363a38611

SHA1
86d7f8dab997c281fef7c5d15b2a06103208e3d9

SHA256
96d6443d5f365564d54a58ac04162ab7fc1bebd795f37f0b363d50cc1616b062

SHA512
9d3564f1218c7683cc7e57f009a5e13f33d65857ed1f5825b0cafa3505f28cfe977c06205511c4abf0530931a770ded0b9714513f94b5b9fe92a673c46a0bce8

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 Enterprise v15

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Downloads