7034e21128da9ce58c2d5249d3fd73dd766cf90437fa52f79faa50098f359634

General

Target

Document1094680387_02012021.xls
Size

63KB
MD5

9423ee9775707d51960e0eac95b3f6cc
SHA1

debc0defc997fde77a2f0cee9b3b1fcbed54ea91
SHA256

7034e21128da9ce58c2d5249d3fd73dd766cf90437fa52f79faa50098f359634
SHA512

0cff3519c5453bdeb13201849c571cbb142ed6780c2e6cae572104904af1190ff4d4e068ff0109953745b153fc219c618519318cadd4dcac300b3d280643bc53

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	668	776	rundll32.exe	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

776 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

776 EXCEL.EXE
776 EXCEL.EXE
776 EXCEL.EXE

pid	process
776	EXCEL.EXE

pid	process
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Document1094680387_02012021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\MORI.BAST,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\MORI.BAST
MD5
e26ee80220371f5321384cd23c4235c4

SHA1
330b69b8e3463651a683419cdcdeb35f79650094

SHA256
b0817350c3c25ecf4cfbe28c8839e4c09f3a5b813c96ef62861b707ba2ae1742

SHA512
1f486c027cf5fe3efeb9e5601ab43e2201866f28db9226d02cb2727cb29e3b450d171cdd7454982d162dcc495141b86f2c28502678d9cfaa484f666ce116fb5b

Download Submit
memory/668-6-0x0000000000000000-mapping.dmp

Download
memory/668-7-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/776-2-0x000000002FBC1000-0x000000002FBC4000-memory.dmp

Filesize
12KB

Download
memory/776-3-0x0000000071371000-0x0000000071373000-memory.dmp

Filesize
8KB

Download
memory/776-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1780-5-0x000007FEF74B0000-0x000007FEF772A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads