586bd4e1f5f41569b260ce6cc6b5243bee2209c35915d1a3050cf4196c6133eb

General

Target

586bd4e1f5f41569b260ce6cc6b5243bee2209c35915d1a3050cf4196c6133eb.xls
Size

54KB
MD5

08037f2bf6b8fe9ae8c245903af45729
SHA1

2836aa101a02a284c6df9ed17bd092f25c34f80f
SHA256

586bd4e1f5f41569b260ce6cc6b5243bee2209c35915d1a3050cf4196c6133eb
SHA512

2e0ffec3933f66b623e2eded690497115f251036d282dc915721b61175164eeb0573a1c4706b1f84453c9286ff1b8c3f7a1756fdd41d532dcf8e9dc24c22dc1e

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	1616	1844	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
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1844 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1844 EXCEL.EXE
1844 EXCEL.EXE
1844 EXCEL.EXE

pid	process
1844	EXCEL.EXE

pid	process
1844	EXCEL.EXE
1844	EXCEL.EXE
1844	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1844 wrote to memory of 1616	1844	EXCEL.EXE	rundll32.exe
PID 1844 wrote to memory of 1616	1844	EXCEL.EXE	rundll32.exe
PID 1844 wrote to memory of 1616	1844	EXCEL.EXE	rundll32.exe
PID 1844 wrote to memory of 1616	1844	EXCEL.EXE	rundll32.exe
PID 1844 wrote to memory of 1616	1844	EXCEL.EXE	rundll32.exe
PID 1844 wrote to memory of 1616	1844	EXCEL.EXE	rundll32.exe
PID 1844 wrote to memory of 1616	1844	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\586bd4e1f5f41569b260ce6cc6b5243bee2209c35915d1a3050cf4196c6133eb.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1844

C:\Windows\SysWOW64\rundll32.exe
rundll32 C:\IntelCompany\JIOLAS.RRTTOOKK,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1616

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

memory/524-2-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmp

Filesize
2.5MB

Download
memory/1616-3-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads