7d420d8395f8b5c904a27079988cd67b715b55cc2f910bb678c67f70f821ec5a

General

Target

document-1872522448.xls
Size

85KB
MD5

acc95030786bcdecaf60729fa3a79f53
SHA1

25f6772c9663def3a977c5176c3e95dc430e2250
SHA256

7d420d8395f8b5c904a27079988cd67b715b55cc2f910bb678c67f70f821ec5a
SHA512

f4185b0cd53275065e3225e2bc30ea82eb9ea01d4465b7465e690001b87d1b048f9265a0861d6bfce941761577ab3e37d746004768a5f5bb4e17797b82ce46af

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://emqjj27ljgl02hqqzi.com/fedara.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	1996	548	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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	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 (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
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
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
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\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

548 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

548 EXCEL.EXE
548 EXCEL.EXE
548 EXCEL.EXE

pid	process
548	EXCEL.EXE

pid	process
548	EXCEL.EXE
548	EXCEL.EXE
548	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 548 wrote to memory of 1996	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1996	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1996	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1996	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1996	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1996	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1996	548	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-1872522448.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\IEUDLK.CJF,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1996

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/548-2-0x000000002F2A1000-0x000000002F2A4000-memory.dmp

Filesize
12KB

Download
memory/548-3-0x0000000071AA1000-0x0000000071AA3000-memory.dmp

Filesize
8KB

Download
memory/548-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1872-5-0x000007FEF8800000-0x000007FEF8A7A000-memory.dmp

Filesize
2.5MB

Download
memory/1996-6-0x0000000000000000-mapping.dmp

Download
memory/1996-7-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads