984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

Analysis

max time kernel
150s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 04:50

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General

Target

984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Size

63KB
MD5

bd1ebf18f7f0ef1c309617f672ab8335
SHA1

739c9c16b2bb153ae5138a7318a58ad8ea261be1
SHA256

984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781
SHA512

5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6
SSDEEP

1536:OrZtaewPBaF79KuUbYLAlBVOjEKHGkOqYtiHLl7ss:ODahPBarKpbqAjVOAiGklFLlss

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\""	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.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"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	Zero.txt

Executes dropped EXE 5 IoCs

pid	Process
912	Empty.jpg
1292	Blank.doc
1072	Zero.txt
692	Hole.zip
1884	Unoccupied.reg

Loads dropped DLL 15 IoCs

pid	Process
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
912	Empty.jpg
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
1292	Blank.doc
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
1072	Zero.txt
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
692	Hole.zip
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
1884	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Blank AntiViri = "C:\\AUT0EXEC.BAT StartUp"	Zero.txt
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Secure64 = "C:\\Windows\\system32\\dllcache\\Regedit32.com StartUp"	Zero.txt
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Secure64 = "C:\\Windows\\system32\\dllcache\\Regedit32.com StartUp"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Secure32 = "C:\\Windows\\system32\\dllcache\\Shell32.com StartUp"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.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)	\??\U:	Blank.doc
File opened (read-only)	\??\F:	Blank.doc
File opened (read-only)	\??\G:	Blank.doc
File opened (read-only)	\??\I:	Blank.doc
File opened (read-only)	\??\K:	Blank.doc
File opened (read-only)	\??\L:	Blank.doc
File opened (read-only)	\??\M:	Blank.doc
File opened (read-only)	\??\Q:	Blank.doc
File opened (read-only)	\??\W:	Blank.doc
File opened (read-only)	\??\Y:	Blank.doc
File opened (read-only)	\??\H:	Blank.doc
File opened (read-only)	\??\N:	Blank.doc
File opened (read-only)	\??\X:	Blank.doc
File opened (read-only)	\??\Z:	Blank.doc
File opened (read-only)	\??\B:	Blank.doc
File opened (read-only)	\??\O:	Blank.doc
File opened (read-only)	\??\P:	Blank.doc
File opened (read-only)	\??\R:	Blank.doc
File opened (read-only)	\??\S:	Blank.doc
File opened (read-only)	\??\T:	Blank.doc
File opened (read-only)	\??\V:	Blank.doc
File opened (read-only)	\??\E:	Blank.doc
File opened (read-only)	\??\J:	Blank.doc

Drops file in System32 directory 26 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rund1132.exe	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\rund1132.exe	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllcache\Regedit32.com	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\Regedit32.com	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\Shell32.com	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\M5VBVM60.EXE	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllChache\Unoccupied.reg	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Unoccupied.reg	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Blank.doc	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllcache\msvbvm60.dll	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\msvbvm60.dll	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllChache\Empty.jpg	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllChache\Zero.txt	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllChache\Hole.zip	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Hole.zip	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllcache\Shell32.com	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllchache.exe	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllChache\msvbvm60.dll	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\msvbvm60.dll	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllchache.exe	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\dllChache\Blank.doc	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Zero.txt	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File created	C:\Windows\SysWOW64\M5VBVM60.EXE	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllchache	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\msvbvm60.dll	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64\dllChache\Empty.jpg	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system32.exe	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\SysWOW64	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
File opened for modification	C:\Windows\system32.exe	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.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 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	Zero.txt
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_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"	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\rund1132.exe %1"	Zero.txt
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4a003100000000007e556c37102054656d700000360008000400efbe2155ef6b7e556c372a00000001020000000002000000000000000000000000000000540065006d007000000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 74003100000000002155ef6b1100557365727300600008000400efbeee3a851a2155ef6b2a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000002155a879100041646d696e00380008000400efbe2155ef6b2155a8792a00000030000000000004000000000000000000000000000000410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = c6003100000000007e556c3717003938344145317e310000ae0008000400efbe7e556c377e556c372a000000072301000000080000000000000000000000000000003900380034006100650031003600310035006500650063006100380038003900340034003300350038006400610064003000630038003900330066003900350035003200390038006600650039003000310061003900330034003100370064003400320032006600310066003900370030003600370063003200370038003100000018000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4c0031000000000021554f6e10204c6f63616c00380008000400efbe2155ef6b21554f6e2a000000000200000000020000000000000000000000000000004c006f00630061006c00000014000000	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 52003100000000002155ef6b122041707044617461003c0008000400efbe2155ef6b2155ef6b2a000000ed0100000000020000000000000000000000000000004100700070004400610074006100000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
912	Empty.jpg
912	Empty.jpg
1292	Blank.doc
1292	Blank.doc
1072	Zero.txt
692	Hole.zip
1072	Zero.txt
692	Hole.zip
1884	Unoccupied.reg
1884	Unoccupied.reg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
1292	Blank.doc
912	Empty.jpg
1292	Blank.doc
912	Empty.jpg
1072	Zero.txt
692	Hole.zip
1072	Zero.txt
692	Hole.zip
912	Empty.jpg
1884	Unoccupied.reg
912	Empty.jpg
1884	Unoccupied.reg
1292	Blank.doc
1292	Blank.doc
1072	Zero.txt
912	Empty.jpg
692	Hole.zip
1072	Zero.txt
692	Hole.zip
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg
1292	Blank.doc
912	Empty.jpg
1292	Blank.doc
912	Empty.jpg
1884	Unoccupied.reg
1884	Unoccupied.reg
692	Hole.zip
1072	Zero.txt
692	Hole.zip
1072	Zero.txt
1292	Blank.doc
912	Empty.jpg
1292	Blank.doc
912	Empty.jpg
1884	Unoccupied.reg
1884	Unoccupied.reg
912	Empty.jpg
912	Empty.jpg
912	Empty.jpg

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
912	Empty.jpg
1292	Blank.doc
1072	Zero.txt
692	Hole.zip
1884	Unoccupied.reg

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 912	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	27
PID 948 wrote to memory of 912	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	27
PID 948 wrote to memory of 912	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	27
PID 948 wrote to memory of 912	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	27
PID 948 wrote to memory of 1292	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	28
PID 948 wrote to memory of 1292	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	28
PID 948 wrote to memory of 1292	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	28
PID 948 wrote to memory of 1292	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	28
PID 948 wrote to memory of 1072	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	29
PID 948 wrote to memory of 1072	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	29
PID 948 wrote to memory of 1072	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	29
PID 948 wrote to memory of 1072	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	29
PID 948 wrote to memory of 692	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	30
PID 948 wrote to memory of 692	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	30
PID 948 wrote to memory of 692	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	30
PID 948 wrote to memory of 692	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	30
PID 948 wrote to memory of 1884	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	31
PID 948 wrote to memory of 1884	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	31
PID 948 wrote to memory of 1884	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	31
PID 948 wrote to memory of 1884	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	31
PID 948 wrote to memory of 828	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	32
PID 948 wrote to memory of 828	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	32
PID 948 wrote to memory of 828	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	32
PID 948 wrote to memory of 828	948	984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe	32

C:\Users\Admin\AppData\Local\Temp\984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.exe
"C:\Users\Admin\AppData\Local\Temp\984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781.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
- Loads dropped DLL
- 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:948
- 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:912
- 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:1292
- 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:1072
- 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:692
- 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:1884
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781
  2⤵
  PID:828

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:1536

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\MSVBVM60.DLL

Filesize
1.3MB

MD5
5343a19c618bc515ceb1695586c6c137

SHA1
4dedae8cbde066f31c8e6b52c0baa3f8b1117742

SHA256
2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

SHA512
708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
63KB

MD5
bd1ebf18f7f0ef1c309617f672ab8335

SHA1
739c9c16b2bb153ae5138a7318a58ad8ea261be1

SHA256
984ae1615eeca88944358dad0c893f955298fe901a93417d422f1f97067c2781

SHA512
5d27761802e455490f03d6d052feb69cdce1d5c80e25af6b987121fb5c0002b269f1ad1b38b7b7b40a31ff978457abda68129bacf32ede7fad6abb56d4bfa0c6

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

Filesize
1.3MB

MD5
5343a19c618bc515ceb1695586c6c137

SHA1
4dedae8cbde066f31c8e6b52c0baa3f8b1117742

SHA256
2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

SHA512
708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

Filesize
1.3MB

MD5
5343a19c618bc515ceb1695586c6c137

SHA1
4dedae8cbde066f31c8e6b52c0baa3f8b1117742

SHA256
2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

SHA512
708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

Filesize
1.3MB

MD5
5343a19c618bc515ceb1695586c6c137

SHA1
4dedae8cbde066f31c8e6b52c0baa3f8b1117742

SHA256
2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

SHA512
708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

Filesize
1.3MB

MD5
5343a19c618bc515ceb1695586c6c137

SHA1
4dedae8cbde066f31c8e6b52c0baa3f8b1117742

SHA256
2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

SHA512
708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

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

Filesize
1.3MB

MD5
5343a19c618bc515ceb1695586c6c137

SHA1
4dedae8cbde066f31c8e6b52c0baa3f8b1117742

SHA256
2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

SHA512
708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

Download Submit
memory/692-107-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/692-100-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/828-96-0x0000000074F51000-0x0000000074F53000-memory.dmp

Filesize
8KB

Download
memory/912-97-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/912-104-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/948-92-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/948-95-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1072-106-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1072-99-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1292-105-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1292-98-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1536-102-0x000007FEFC591000-0x000007FEFC593000-memory.dmp

Filesize
8KB

Download
memory/1536-103-0x00000000039C0000-0x00000000039D0000-memory.dmp

Filesize
64KB

Download
memory/1884-101-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1884-108-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

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