79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

Analysis

max time kernel
150s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 01:04

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General

Target

79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Size

37KB
MD5

63fa1704b4bbeda36f9a1d254fae9166
SHA1

a4a8f7bc74334a548e6055b7ac82459ec6892dd3
SHA256

79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1
SHA512

e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8
SSDEEP

768:8HrZtjEF/e782hCY4g/iB0F79KIDN1dCvbYLYQV5nCsm:+rZtaewPBaF79KuUbYLK

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	Hole.zip
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe, \"C:\\Windows\\system32\\M5VBVM60.EXE StartUp\""	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe, \"C:\\Windows\\system32\\M5VBVM60.EXE StartUp\""	Zero.txt

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	Zero.txt

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	Zero.txt

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	Zero.txt

Executes dropped EXE 5 IoCs

pid	Process
3480	Empty.jpg
3004	Blank.doc
3616	Zero.txt
2948	Hole.zip
216	Unoccupied.reg

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe

Loads dropped DLL 5 IoCs

pid	Process
3480	Empty.jpg
3004	Blank.doc
3616	Zero.txt
2948	Hole.zip
216	Unoccupied.reg

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Secure64 = "C:\\Windows\\system32\\dllcache\\Regedit32.com StartUp"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Secure32 = "C:\\Windows\\system32\\dllcache\\Shell32.com StartUp"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Blank AntiViri = "C:\\AUT0EXEC.BAT StartUp"	Zero.txt
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Secure64 = "C:\\Windows\\system32\\dllcache\\Regedit32.com StartUp"	Zero.txt
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Secure32 = "C:\\Windows\\system32\\dllcache\\Shell32.com StartUp"	Zero.txt
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Blank AntiViri = "C:\\AUT0EXEC.BAT StartUp"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.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

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

Drops file in System32 directory 26 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dllChache\msvbvm60.dll	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\msvbvm60.dll	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\msvbvm60.dll	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Zero.txt	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllChache\Unoccupied.reg	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\M5VBVM60.EXE	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\msvbvm60.dll	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllChache\Hole.zip	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllcache\Regedit32.com	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\Shell32.com	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllChache\Empty.jpg	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\rund1132.exe	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\rund1132.exe	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllcache\Shell32.com	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllchache	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllcache\msvbvm60.dll	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Empty.jpg	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllChache\Blank.doc	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Blank.doc	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllChache\Zero.txt	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Hole.zip	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Unoccupied.reg	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\Regedit32.com	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\M5VBVM60.EXE	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\SysWOW64\dllchache.exe	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\SysWOW64\dllchache.exe	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File opened for modification	C:\Windows\system32.exe	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
File created	C:\Windows\system32.exe	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = ca0031000000000043553d2f17003739433543337e310000b20009000400efbe43553d2f43553d2f2e000000182e02000000010000000000000000000000000000002c5d13013700390063003500630033003100320061003700620062003400340036006100360066003800380031003400340036003900390036003800380034006300620032003300340064006300640063003600310038003300300062003500650063006400350037003900630039006100370035003000640035003400630063003100000018000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4e0031000000000043553d2f100054656d7000003a0009000400efbe21550a5843553d2f2e00000093e10100000001000000000000000000000000000000b788bd00540065006d007000000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 780031000000000021550a581100557365727300640009000400efbe874f774843553c2f2e000000c70500000000010000000000000000003a0000000000df3ef30055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000002155f360100041646d696e003c0009000400efbe21550a5843553c2f2e00000074e101000000010000000000000000000000000000006969a900410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 50003100000000002155fc5a10004c6f63616c003c0009000400efbe21550a5843553c2f2e00000092e10100000001000000000000000000000000000000a64ac5004c006f00630061006c00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	Zero.txt
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	Zero.txt
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 560031000000000021550a5812004170704461746100400009000400efbe21550a5843553c2f2e0000007fe101000000010000000000000000000000000000008909d9004100700070004400610074006100000016000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4616	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
3004	Blank.doc
3004	Blank.doc
3004	Blank.doc
3004	Blank.doc
3616	Zero.txt
3616	Zero.txt
3616	Zero.txt
3616	Zero.txt
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
3480	Empty.jpg
2948	Hole.zip
2948	Hole.zip
2948	Hole.zip
2948	Hole.zip
216	Unoccupied.reg
216	Unoccupied.reg
216	Unoccupied.reg
216	Unoccupied.reg
3004	Blank.doc
3004	Blank.doc
3004	Blank.doc
3004	Blank.doc
3480	Empty.jpg
3480	Empty.jpg
2948	Hole.zip
2948	Hole.zip
3480	Empty.jpg
2948	Hole.zip
2948	Hole.zip
3480	Empty.jpg
216	Unoccupied.reg
216	Unoccupied.reg
3004	Blank.doc
3004	Blank.doc
216	Unoccupied.reg
216	Unoccupied.reg

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4616	explorer.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
3480	Empty.jpg
3004	Blank.doc
3616	Zero.txt
2948	Hole.zip
216	Unoccupied.reg
4616	explorer.exe
4616	explorer.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 3480	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	84
PID 1460 wrote to memory of 3480	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	84
PID 1460 wrote to memory of 3480	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	84
PID 1460 wrote to memory of 3004	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	85
PID 1460 wrote to memory of 3004	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	85
PID 1460 wrote to memory of 3004	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	85
PID 1460 wrote to memory of 3616	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	87
PID 1460 wrote to memory of 3616	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	87
PID 1460 wrote to memory of 3616	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	87
PID 1460 wrote to memory of 2948	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	88
PID 1460 wrote to memory of 2948	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	88
PID 1460 wrote to memory of 2948	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	88
PID 1460 wrote to memory of 216	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	89
PID 1460 wrote to memory of 216	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	89
PID 1460 wrote to memory of 216	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	89
PID 1460 wrote to memory of 4168	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	90
PID 1460 wrote to memory of 4168	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	90
PID 1460 wrote to memory of 4168	1460	79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe	90

C:\Users\Admin\AppData\Local\Temp\79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe
"C:\Users\Admin\AppData\Local\Temp\79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\SysWOW64\dllChache\Empty.jpg
  C:\Windows\system32\dllChache\Empty.jpg ReStart
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3480
- C:\Windows\SysWOW64\dllChache\Blank.doc
  C:\Windows\system32\dllChache\Blank.doc ReStart
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3004
- C:\Windows\SysWOW64\dllChache\Zero.txt
  C:\Windows\system32\dllChache\Zero.txt ReStart
  2⤵
  - Modifies WinLogon for persistence
  - Modifies system executable filetype association
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3616
- C:\Windows\SysWOW64\dllChache\Hole.zip
  C:\Windows\system32\dllChache\Hole.zip ReStart
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2948
- C:\Windows\SysWOW64\dllChache\Unoccupied.reg
  C:\Windows\system32\dllChache\Unoccupied.reg ReStart
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:216
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1
  2⤵
  PID:4168

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4616

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\dllChache\Blank.doc

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllChache\Empty.jpg

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllChache\Hole.zip

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllChache\MSVBVM60.DLL

Filesize
1.4MB

MD5
25f62c02619174b35851b0e0455b3d94

SHA1
4e8ee85157f1769f6e3f61c0acbe59072209da71

SHA256
898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

SHA512
f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

Download Submit
C:\Windows\SysWOW64\dllChache\Unoccupied.reg

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllChache\Zero.txt

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllchache\Blank.doc

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllchache\Empty.jpg

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllchache\Hole.zip

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllchache\Unoccupied.reg

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllchache\Zero.txt

Filesize
37KB

MD5
63fa1704b4bbeda36f9a1d254fae9166

SHA1
a4a8f7bc74334a548e6055b7ac82459ec6892dd3

SHA256
79c5c312a7bb446a6f881446996884cb234dcdc61830b5ecd579c9a750d54cc1

SHA512
e61059dcf3b9e8941dae1aed552eb0cf1d3f3f6183695842b5c2e7e8221aeb6d9f0749c9f7a073909baae5184cfc372204e2211814135b70eeaa8b8c65ecb6d8

Download Submit
C:\Windows\SysWOW64\dllchache\msvbvm60.dll

Filesize
1.4MB

MD5
25f62c02619174b35851b0e0455b3d94

SHA1
4e8ee85157f1769f6e3f61c0acbe59072209da71

SHA256
898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

SHA512
f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

Download Submit
C:\Windows\SysWOW64\dllchache\msvbvm60.dll

Filesize
1.4MB

MD5
25f62c02619174b35851b0e0455b3d94

SHA1
4e8ee85157f1769f6e3f61c0acbe59072209da71

SHA256
898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

SHA512
f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

Download Submit
C:\Windows\SysWOW64\dllchache\msvbvm60.dll

Filesize
1.4MB

MD5
25f62c02619174b35851b0e0455b3d94

SHA1
4e8ee85157f1769f6e3f61c0acbe59072209da71

SHA256
898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

SHA512
f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

Download Submit
C:\Windows\SysWOW64\dllchache\msvbvm60.dll

Filesize
1.4MB

MD5
25f62c02619174b35851b0e0455b3d94

SHA1
4e8ee85157f1769f6e3f61c0acbe59072209da71

SHA256
898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

SHA512
f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

Download Submit
C:\Windows\SysWOW64\dllchache\msvbvm60.dll

Filesize
1.4MB

MD5
25f62c02619174b35851b0e0455b3d94

SHA1
4e8ee85157f1769f6e3f61c0acbe59072209da71

SHA256
898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

SHA512
f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

Download Submit
memory/216-177-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/216-170-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1460-172-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1460-147-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2948-169-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2948-176-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3004-149-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3004-174-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3480-148-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3480-173-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3616-168-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3616-175-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download