oski | ce6e03397d462d0a91e4a87e343c1b85d1578e4d1ca492c183f3d1b38e8bf9b2

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-en-20211104
submitted
07-12-2021 11:27

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Report Analysis Logs

General

Target

statement.doc
Size

15KB
MD5

e6f108d6d7cf1d0e0c4fd34c5bc1f42e
SHA1

938c44cedd8b1a15f69448a5c4c7790a3bff8426
SHA256

ce6e03397d462d0a91e4a87e343c1b85d1578e4d1ca492c183f3d1b38e8bf9b2
SHA512

b17b52e8ba0c4f9f9d1d23693ba8d9e22dbfee21c0ef0285b2fe8c3432cb3aaeb21600da1fdbca87fb092ac829f2a14e2c77985a6032a48963b730811e0c313c

Score

10^/10

oski discovery infostealer spyware stealer

Malware Config

Extracted

Family

oski

oilproduce.xyz

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

5 1368 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

maxgfd796984.exemaxgfd796984.exemaxgfd796984.exe

pid process

1512 maxgfd796984.exe
1312 maxgfd796984.exe
1620 maxgfd796984.exe
Loads dropped DLL 6 IoCs

Processes:

EQNEDT32.EXEmaxgfd796984.exe

pid process

1368 EQNEDT32.EXE
1620 maxgfd796984.exe
1620 maxgfd796984.exe
1620 maxgfd796984.exe
1620 maxgfd796984.exe
1620 maxgfd796984.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

maxgfd796984.exe

description pid process target process

PID 1512 set thread context of 1620 1512 maxgfd796984.exe maxgfd796984.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

maxgfd796984.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString maxgfd796984.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

764 taskkill.exe
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1368 EQNEDT32.EXE

flow	pid	process
5	1368	EQNEDT32.EXE

pid	process
1512	maxgfd796984.exe
1312	maxgfd796984.exe
1620	maxgfd796984.exe

pid	process
1368	EQNEDT32.EXE
1620	maxgfd796984.exe
1620	maxgfd796984.exe
1620	maxgfd796984.exe
1620	maxgfd796984.exe
1620	maxgfd796984.exe

description	pid	process	target process
PID 1512 set thread context of 1620	1512	maxgfd796984.exe	maxgfd796984.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	maxgfd796984.exe

pid	process
764	taskkill.exe

pid	process
1368	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1900 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

maxgfd796984.exe

pid process

1512 maxgfd796984.exe
1512 maxgfd796984.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

maxgfd796984.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 1512 maxgfd796984.exe
Token: SeDebugPrivilege 764 taskkill.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1900 WINWORD.EXE
1900 WINWORD.EXE

pid	process
1900	WINWORD.EXE

pid	process
1512	maxgfd796984.exe
1512	maxgfd796984.exe

description	pid	process
Token: SeDebugPrivilege	1512	maxgfd796984.exe
Token: SeDebugPrivilege	764	taskkill.exe

pid	process
1900	WINWORD.EXE
1900	WINWORD.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEmaxgfd796984.exemaxgfd796984.execmd.exe

description	pid	process	target process
PID 1368 wrote to memory of 1512	1368	EQNEDT32.EXE	maxgfd796984.exe
PID 1368 wrote to memory of 1512	1368	EQNEDT32.EXE	maxgfd796984.exe
PID 1368 wrote to memory of 1512	1368	EQNEDT32.EXE	maxgfd796984.exe
PID 1368 wrote to memory of 1512	1368	EQNEDT32.EXE	maxgfd796984.exe
PID 1900 wrote to memory of 612	1900	WINWORD.EXE	splwow64.exe
PID 1900 wrote to memory of 612	1900	WINWORD.EXE	splwow64.exe
PID 1900 wrote to memory of 612	1900	WINWORD.EXE	splwow64.exe
PID 1900 wrote to memory of 612	1900	WINWORD.EXE	splwow64.exe
PID 1512 wrote to memory of 1312	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1312	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1312	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1312	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1512 wrote to memory of 1620	1512	maxgfd796984.exe	maxgfd796984.exe
PID 1620 wrote to memory of 1184	1620	maxgfd796984.exe	cmd.exe
PID 1620 wrote to memory of 1184	1620	maxgfd796984.exe	cmd.exe
PID 1620 wrote to memory of 1184	1620	maxgfd796984.exe	cmd.exe
PID 1620 wrote to memory of 1184	1620	maxgfd796984.exe	cmd.exe
PID 1184 wrote to memory of 764	1184	cmd.exe	taskkill.exe
PID 1184 wrote to memory of 764	1184	cmd.exe	taskkill.exe
PID 1184 wrote to memory of 764	1184	cmd.exe	taskkill.exe
PID 1184 wrote to memory of 764	1184	cmd.exe	taskkill.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\statement.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:612

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1368

C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
"C:\Users\Admin\AppData\Roaming\maxgfd796984.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
"C:\Users\Admin\AppData\Roaming\maxgfd796984.exe"
3⤵
- Executes dropped EXE
PID:1312

C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
"C:\Users\Admin\AppData\Roaming\maxgfd796984.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 1620 & erase C:\Users\Admin\AppData\Roaming\maxgfd796984.exe & RD /S /Q C:\\ProgramData\\550949711949320\\* & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 1620
5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
MD5
5c40517b3b632caf07cb45afa5aa1140

SHA1
767c28385881fdc01b43b730aa50168f23d934f9

SHA256
2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4

SHA512
049ad3a0c2b806a6ce30e64bf4fb8d0f77adf208b7eca9c80579e9d25faa464981eb2c6631ca93955962c36a3c6f40cb1f20d3ed542f994d02ce85d3d3af4713

Download Submit
C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
MD5
5c40517b3b632caf07cb45afa5aa1140

SHA1
767c28385881fdc01b43b730aa50168f23d934f9

SHA256
2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4

SHA512
049ad3a0c2b806a6ce30e64bf4fb8d0f77adf208b7eca9c80579e9d25faa464981eb2c6631ca93955962c36a3c6f40cb1f20d3ed542f994d02ce85d3d3af4713

Download Submit
C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
MD5
5c40517b3b632caf07cb45afa5aa1140

SHA1
767c28385881fdc01b43b730aa50168f23d934f9

SHA256
2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4

SHA512
049ad3a0c2b806a6ce30e64bf4fb8d0f77adf208b7eca9c80579e9d25faa464981eb2c6631ca93955962c36a3c6f40cb1f20d3ed542f994d02ce85d3d3af4713

Download Submit
C:\Users\Admin\AppData\Roaming\maxgfd796984.exe
MD5
5c40517b3b632caf07cb45afa5aa1140

SHA1
767c28385881fdc01b43b730aa50168f23d934f9

SHA256
2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4

SHA512
049ad3a0c2b806a6ce30e64bf4fb8d0f77adf208b7eca9c80579e9d25faa464981eb2c6631ca93955962c36a3c6f40cb1f20d3ed542f994d02ce85d3d3af4713

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\ProgramData\sqlite3.dll
MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\Users\Admin\AppData\Roaming\maxgfd796984.exe
MD5
5c40517b3b632caf07cb45afa5aa1140

SHA1
767c28385881fdc01b43b730aa50168f23d934f9

SHA256
2e6bebcaaa746b7ab28bf74c49dc0b92b88f564f5b05d6cc414ea1d4aa5f10d4

SHA512
049ad3a0c2b806a6ce30e64bf4fb8d0f77adf208b7eca9c80579e9d25faa464981eb2c6631ca93955962c36a3c6f40cb1f20d3ed542f994d02ce85d3d3af4713

Download Submit
memory/612-69-0x0000000000000000-mapping.dmp

Download
memory/612-70-0x000007FEFC5C1000-0x000007FEFC5C3000-memory.dmp

Filesize
8KB

Download
memory/764-89-0x0000000000000000-mapping.dmp

Download
memory/1184-88-0x0000000000000000-mapping.dmp

Download
memory/1512-64-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1512-71-0x00000000050C0000-0x00000000051E2000-memory.dmp

Filesize
1.1MB

Download
memory/1512-61-0x0000000000000000-mapping.dmp

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memory/1512-67-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1512-68-0x0000000000580000-0x0000000000585000-memory.dmp

Filesize
20KB

Download
memory/1620-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1620-78-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1620-79-0x000000000040717B-mapping.dmp

Download
memory/1620-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1620-82-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1620-76-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1620-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1620-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1900-55-0x0000000072F11000-0x0000000072F14000-memory.dmp

Filesize
12KB

Download
memory/1900-58-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1900-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1900-56-0x0000000070991000-0x0000000070993000-memory.dmp

Filesize
8KB

Download
memory/1900-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download