625eeb7698b4d1b73f8e7d965a29581efce41a6093c4fe51e0337ea9a770bea4

General

Target

625eeb7698b4d1b73f8e7d965a29581efce41a6093c4fe51e0337ea9a770bea4.xls
Size

54KB
MD5

89de52c412e42fd7d7c0cba9ef8a9dcf
SHA1

ffe90a3897ad184263631b2005dd6f7b85a93a31
SHA256

625eeb7698b4d1b73f8e7d965a29581efce41a6093c4fe51e0337ea9a770bea4
SHA512

bffb71cd67212191f2197461b1fc51f72eb8e6efa43fa24f76c25ebfbf6d6782e5dbafa841a7f5cef5e9cb4cffc8a6a452d3bfcd7db13e39ac4cb5fe47c2dc8a

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

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	524	1068	rundll32.exe	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present
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
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	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
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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\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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1068 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1068 EXCEL.EXE
1068 EXCEL.EXE
1068 EXCEL.EXE

pid	process
1068	EXCEL.EXE

pid	process
1068	EXCEL.EXE
1068	EXCEL.EXE
1068	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1068 wrote to memory of 524	1068	EXCEL.EXE	rundll32.exe
PID 1068 wrote to memory of 524	1068	EXCEL.EXE	rundll32.exe
PID 1068 wrote to memory of 524	1068	EXCEL.EXE	rundll32.exe
PID 1068 wrote to memory of 524	1068	EXCEL.EXE	rundll32.exe
PID 1068 wrote to memory of 524	1068	EXCEL.EXE	rundll32.exe
PID 1068 wrote to memory of 524	1068	EXCEL.EXE	rundll32.exe
PID 1068 wrote to memory of 524	1068	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\625eeb7698b4d1b73f8e7d965a29581efce41a6093c4fe51e0337ea9a770bea4.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\SysWOW64\rundll32.exe
rundll32 C:\IntelCompany\JIOLAS.RRTTOOKK,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:524

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/524-3-0x0000000000000000-mapping.dmp

Download
memory/1384-2-0x000007FEF77D0000-0x000007FEF7A4A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads