3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff

General

Target

MEMZ.exe
Size

16KB
MD5

1d5ad9c8d3fee874d0feb8bfac220a11
SHA1

ca6d3f7e6c784155f664a9179ca64e4034df9595
SHA256

3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff
SHA512

c8246f4137416be33b6d1ac89f2428b7c44d9376ac8489a9fbf65ef128a6c53fb50479e1e400c8e201c8611992ab1d6c1bd3d6cece89013edb4d35cdd22305b1
SSDEEP

192:M2WgyvSW8gRc6olcIEiwqZKBkDFR43xWTM3LHf26gFrcx3sNq:JWgnSmFlcIqq3agmLH+6gF23sN

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

MEMZ.exe

description ioc process

File opened for modification \??\PhysicalDrive0 MEMZ.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	MEMZ.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D8481111-D053-11ED-BFBB-DE010D53120A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

MEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exe

pid	process
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
764	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

taskmgr.exe

pid process

1468 taskmgr.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

taskmgr.exeMEMZ.exeMEMZ.exe

description pid process

Token: SeDebugPrivilege 1468 taskmgr.exe
Token: SeShutdownPrivilege 1964 MEMZ.exe
Token: SeShutdownPrivilege 916 MEMZ.exe

description	pid	process
Token: SeDebugPrivilege	1468	taskmgr.exe
Token: SeShutdownPrivilege	1964	MEMZ.exe
Token: SeShutdownPrivilege	916	MEMZ.exe

Suspicious use of FindShellTrayWindow 37 IoCs

Processes:

taskmgr.exeiexplore.exe

pid	process
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1904	iexplore.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe

Suspicious use of SendNotifyMessage 36 IoCs

Processes:

taskmgr.exe

pid	process
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe
1468	taskmgr.exe

Suspicious use of SetWindowsHookEx 64 IoCs

Processes:

MEMZ.exeMEMZ.exeMEMZ.exeMEMZ.exeiexplore.exeIEXPLORE.EXE

pid	process
1964	MEMZ.exe
916	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
1904	iexplore.exe
1904	iexplore.exe
1964	MEMZ.exe
916	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe
1348	IEXPLORE.EXE
1348	IEXPLORE.EXE
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
1964	MEMZ.exe
916	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
1808	MEMZ.exe
912	MEMZ.exe
916	MEMZ.exe
1964	MEMZ.exe
912	MEMZ.exe
1808	MEMZ.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

MEMZ.exeMEMZ.exeiexplore.exe

description	pid	process	target process
PID 1160 wrote to memory of 916	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 916	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 916	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 916	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1964	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1964	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1964	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1964	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 912	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 912	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 912	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 912	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1808	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1808	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1808	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 1808	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 764	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 764	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 764	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 764	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 692	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 692	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 692	1160	MEMZ.exe	MEMZ.exe
PID 1160 wrote to memory of 692	1160	MEMZ.exe	MEMZ.exe
PID 692 wrote to memory of 1856	692	MEMZ.exe	notepad.exe
PID 692 wrote to memory of 1856	692	MEMZ.exe	notepad.exe
PID 692 wrote to memory of 1856	692	MEMZ.exe	notepad.exe
PID 692 wrote to memory of 1856	692	MEMZ.exe	notepad.exe
PID 692 wrote to memory of 1904	692	MEMZ.exe	iexplore.exe
PID 692 wrote to memory of 1904	692	MEMZ.exe	iexplore.exe
PID 692 wrote to memory of 1904	692	MEMZ.exe	iexplore.exe
PID 692 wrote to memory of 1904	692	MEMZ.exe	iexplore.exe
PID 1904 wrote to memory of 1348	1904	iexplore.exe	IEXPLORE.EXE
PID 1904 wrote to memory of 1348	1904	iexplore.exe	IEXPLORE.EXE
PID 1904 wrote to memory of 1348	1904	iexplore.exe	IEXPLORE.EXE
PID 1904 wrote to memory of 1348	1904	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1160

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:916

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1964

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:912

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1808

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /watchdog
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:764

C:\Users\Admin\AppData\Local\Temp\MEMZ.exe
"C:\Users\Admin\AppData\Local\Temp\MEMZ.exe" /main
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:692

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\System32\notepad.exe" \note.txt
3⤵
PID:1856

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://google.co.ck/search?q=how+2+buy+weed
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1904 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1348

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1468

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\jo5ozfo\imagestore.dat
Filesize
9KB

MD5
84e166574fc130a73e25a44dff44c8ca

SHA1
27d492d8eaf7e3ae7ed62a3115b9150c3a2db9a7

SHA256
c43f8459c37a660b55ce7b4b172d9298bd47308d9c8e6244c48daa143f951ade

SHA512
ab6ab2eb16b94bd1bc9e93b7abf74dea3fe0cf826939b68b52198aac64ccb81e70b587260a746787eb82bc914b8ca90437445eef480da6c229b2513872db5f23

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BA5D7P93\favicon[2].ico
Filesize
5KB

MD5
f3418a443e7d841097c714d69ec4bcb8

SHA1
49263695f6b0cdd72f45cf1b775e660fdc36c606

SHA256
6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770

SHA512
82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

Download Submit
C:\note.txt
Filesize
218B

MD5
afa6955439b8d516721231029fb9ca1b

SHA1
087a043cc123c0c0df2ffadcf8e71e3ac86bbae9

SHA256
8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270

SHA512
5da21a31fbc4e8250dffed30f66b896bdf007ac91948140334fe36a3f010e1bac3e70a07e9f3eb9da8633189091fd5cadcabbaacd3e01da0fe7ae28a11b3dddf

Download Submit
memory/1468-56-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/1468-57-0x0000000001D20000-0x0000000001D21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads