8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d

General

Target

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Size

76KB
MD5

ca6eb91ba82e1ac076ed8d62f57da65b
SHA1

f088b18aa90808f65c2abaa0983bc8dfaa19d89e
SHA256

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d
SHA512

e78495b1d2eacd8e3aaa7ab4f8fc8104c26e84a47da09a73963c474a133767b89f70b521d9e85b28740f2168fe5735774dbbe83fe5818c079f76951b90d525eb
SSDEEP

768:Me8bNRqsuhlGOBnhgFwumSCbxTGy/BBGg4NKJJKqUThbJ32+ve7i40vN0TlT+Xkz:cnqJu3abBGy3G8V0iuoKG

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:

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exeizdg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	izdg.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

izdg.exe8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	izdg.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exeizdg.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	izdg.exe

Executes dropped EXE 1 IoCs

Processes:

izdg.exe

pid process

1728 izdg.exe

pid	process
1728	izdg.exe

Loads dropped DLL 2 IoCs

Processes:

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

pid	process
856	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
856	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

izdg.exe

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

izdg.exe

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

Drops file in System32 directory 6 IoCs

Processes:

izdg.exe8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\CommandPrompt.Sysm	izdg.exe
File created	\??\c:\windows\SysWOW64\maxtrox.txt	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
File created	\??\c:\windows\SysWOW64\Windows 3D.scr	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
File opened for modification	\??\c:\windows\SysWOW64\maxtrox.txt	izdg.exe
File opened for modification	\??\c:\windows\SysWOW64\Windows 3D.scr	izdg.exe
File created	\??\c:\windows\SysWOW64\Desktop.sysm	izdg.exe

Drops file in Program Files directory 35 IoCs

Processes:

izdg.exe

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

Modifies registry class 36 IoCs

Processes:

izdg.exe8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	izdg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\ = "Microsoft System Direct"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	izdg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\Shell\Open\Command\ = "%1"	izdg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon\ = "c:\\windows\\SysWow64\\netsetup.exe"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon\ = "c:\\windows\\SysWow64\\rasphone.exe"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\NeverShowExt	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\DefaultIcon	izdg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command	izdg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\NeverShowExt	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	izdg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\ = "System Mechanic"	izdg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.Msd\Shell\Open\Command\ = "%1"	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.sysm\DefaultIcon	izdg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exeizdg.exe

pid process

856 8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
1728 izdg.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe

description	pid	process	target process
PID 856 wrote to memory of 1728	856	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe	izdg.exe
PID 856 wrote to memory of 1728	856	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe	izdg.exe
PID 856 wrote to memory of 1728	856	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe	izdg.exe
PID 856 wrote to memory of 1728	856	8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe	izdg.exe

C:\Users\Admin\AppData\Local\Temp\8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.exe
"C:\Users\Admin\AppData\Local\Temp\8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d.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:856

\??\c:\Documents and Settings\Admin\Application Data\Microsoft\izdg.exe
"c:\Documents and Settings\Admin\Application Data\Microsoft\izdg.exe" 8e529fd2a0e11b42aaeece3615f991844e197bb2211c132fa83423487a6e121d
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:1728

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\izdg.exe

Filesize
76KB

MD5
a4cc3ad7925d0da53de51cd91ff5a9ad

SHA1
33de00334c2ddd38b13060a1b1841153d4858446

SHA256
904f97fa08eb3dba4e5706574a82a12c6fcf6beb08338c799e28fdd90d850728

SHA512
d435d31bfc56582314fcd7a42e840f327455c690d286577065ddd829c9dc817e1a7f2b26972ce8723152da7775286a55987e9603ff51143b1794e6a9a999a4b7

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

Filesize
76KB

MD5
a4cc3ad7925d0da53de51cd91ff5a9ad

SHA1
33de00334c2ddd38b13060a1b1841153d4858446

SHA256
904f97fa08eb3dba4e5706574a82a12c6fcf6beb08338c799e28fdd90d850728

SHA512
d435d31bfc56582314fcd7a42e840f327455c690d286577065ddd829c9dc817e1a7f2b26972ce8723152da7775286a55987e9603ff51143b1794e6a9a999a4b7

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\izdg.exe

Filesize
76KB

MD5
a4cc3ad7925d0da53de51cd91ff5a9ad

SHA1
33de00334c2ddd38b13060a1b1841153d4858446

SHA256
904f97fa08eb3dba4e5706574a82a12c6fcf6beb08338c799e28fdd90d850728

SHA512
d435d31bfc56582314fcd7a42e840f327455c690d286577065ddd829c9dc817e1a7f2b26972ce8723152da7775286a55987e9603ff51143b1794e6a9a999a4b7

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

Filesize
76KB

MD5
a4cc3ad7925d0da53de51cd91ff5a9ad

SHA1
33de00334c2ddd38b13060a1b1841153d4858446

SHA256
904f97fa08eb3dba4e5706574a82a12c6fcf6beb08338c799e28fdd90d850728

SHA512
d435d31bfc56582314fcd7a42e840f327455c690d286577065ddd829c9dc817e1a7f2b26972ce8723152da7775286a55987e9603ff51143b1794e6a9a999a4b7

Download Submit
memory/1728-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads