a390a57e05c97c4acc424041988d4c8216461d4f514db527da2385be026011ef

General

Target

document-194221672.xls
Size

138KB
MD5

bdcfbe6c0fa5b2c2839c178b8a7073a4
SHA1

62a31cfef45125d3915fa7bc37f7e334b693893a
SHA256

54f34e88d1b6fdae2410b448e86fc75d7dcf2f524a588610325adff2a7883925
SHA512

735d1a4dfd5666ab637f20eb468160926bbf018c26ea808d58334373c66092f56a99f77c2765258427f54598dd366615687a76c1d6dd1f78a6f7b13ed7fb89f6

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://ipok12bcame03shzpiq.xyz/i.gif

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	576	1932	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 (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 (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\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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
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

1932 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE

pid	process
1932	EXCEL.EXE

pid	process
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1932 wrote to memory of 576	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 576	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 576	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 576	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 576	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 576	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 576	1932	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\document-194221672.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\zfbfg.ere,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:576

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/576-6-0x0000000000000000-mapping.dmp

Download
memory/576-7-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1544-5-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmp

Filesize
2.5MB

Download
memory/1932-2-0x000000002FFC1000-0x000000002FFC4000-memory.dmp

Filesize
12KB

Download
memory/1932-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmp

Filesize
8KB

Download
memory/1932-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads